NVIDIA GeForce GTX 470M SLI vs NVIDIA GeForce GTX 485M SLI

NVIDIA GeForce GTX 470M SLI

► remove NVIDIA GeForce GTX 470M SLI

The NVIDIA GeForce GTX 470M SLI is a high-end graphics solution for laptops based on two GeForce GTX 470M graphic cards in SLI mode. Each card usually renders a single frame in an alternating manner. Therefore, it may suffer from micro stuttering in low fps ranges of 30fps. This happens because of different timespans between two frames (e.g. Irregular delays between sequential frames). Each single GTX 470M is based on the GF104 core and therefore supports DirectX1 11 and OpenGL 4.0.

GF104 architecture

The GF104 core of the GTX 470M is related to the GF100 core of the GeFore GTX 480M that offers 384 shaders and a 256 Bit memory bus for GDDR5. The GTX 470M, however, offers only 288 cores of the 384 and a 192 Bit memory bus. The architecture of the GF104 is not comparable to the old GT215 (e.g., GeForce GTS 350M) or G92b (e.g., GeForce GTX 285M) cores.  

Unlike the GF100, the smaller GF104, GF106, and GF108 cores were shortened and considerably modified. In contrast to the GF100, which was designed for professional applications, these chips target the consumer market. They feature more shaders (3x16 instead of 2x16), more texture units (8 instead of 4) and SFUs per streaming multi-processor (SM). As there are still only 2 warp schedulers (versus 3 shader groups), Nvidia now uses superscalar execution to use the higher amount of shaders per SM more efficiently. In theory, the shaders can therefore be utilized more efficiently and the performance per core is improved. 

However, in worst case scenarios the performance can also be worse than that of the GF100 (and its predecessors). The ECC memory protection, which is important for professional applications, was completely omitted and the FP64 hardware was shortened (only 1/3 of the shader are FP64-capable and therefore only 1/12 of the performance of the FP32). Because of these cutbacks, the size of the SM  grew only by 25% despite the higher number of shaders and larger warp schedulers with superscalar dispatch capabilities. Due to the different shader architectures and the higher clock rate of the shader domain, the core count can not be directly compared to AMD cores of the Radeon 5000 series (e.g. HD 5850).

Detailed information on the GF104 architecture (and by extension also the GF106 and GF108) can be found in the desktop GTX 460 article by Anandtech.

Performance

The performance of the GTX 470M SLI combination should be similar to the GTX 480M SLI due to the high-clocked GTX470M cards. Generally, the SLI gain depends on the used application/game and the driver support. Currently, the SLI driver support from Nvidia is better than the Crossfire support from AMD, leading to higher gains. About 30% more performance is gained on average compared to a single GTX 470M (in high resolutions and with Anti-Aliasing). Therefore, all games from 2010 except Metro 2033 should be playable in the highest detail settings. Metro 2033 only ran with 23 fps in our tests with a GTX 480M SLI system and should therefore score similar on the GTX 470M SLI combination.

Features

A novelty of the GF104/106/108 chips is the support of Bitstream HD Audio (Blu-Ray) output via HDMI. Similar to the Radeon HD 5850, the GTX 470M can transfer Dolby True HD and DTS-HD bitstream without quality loss to a HiFi receiver.

The GTX470M offers the PureVideo HD technology for video decoding. The included Video Processor 4 (VP4) supports feature set C and therefore the GPU is able to fully decode MPEG-1, MPEG-2, MPEG-4 Part 2 (MPEG-4 ASP - e.g., DivX or Xvid), VC-1/WMV9, and H.264 (VLD, IDCT, Motion Compensation, and Deblocking). The X500 tester was able to decode the VC-1 encoded Elephants Dream video with about 3-6% CPU load (according to the task manager). The H.264-encoded Big Buck Bunny video was played back with 1-3% CPU load (both 1080p videos).

Furthermore, the GPU is able to decode two 1080p streams simultaneously (e.g. for Blu-Ray Picture-in-Picture).

Through CUDA, OpenCL and DirectCompute 2.1 support, the GeForce GTX 470M can assist in general calculations. For example, the stream processor can  encode videos considerably faster than certain high-end CPUs. Furthermore, physics calculations can be done by the GPU using PhysX (e.g. supported by Mafia 2 or Metro 2033). SLI systems can also dedicate a single card for PhysX calculations.

According to Nvidia, support for 3D Vision on the GTX graphics cards is also new. It enables the laptop to send 3D contents (3D games, 3D Web Streaming, 3D photos, 3D Blu-Rays) to a built-in 3D enabled screen or an external 3D TV (only if supported by the laptop manufacturer).

Unofficially, the power consumption of the GeForce GTX 470M should be about 75 Watt (TDP including the MXM board and memory), which is about the level of the Mobility Radeon HD 5870. Therefore, the SLI system needs 2x75 Watt and therefore a lot less than the GTX 480M SLI with 2x100W. Without load, the chip is clocked at 50/100 MHz (chip/shader) in 2D respectively 200/400 in 3D mode to save power.

Compared to desktop graphics cards, the GTX 470M SLI combination is most similar in performance to a GTS 450 SLI combo, as the desktop GTX 470 is significantly faster.

NVIDIA GeForce GTX 485M SLI

► remove NVIDIA GeForce GTX 485M SLI

The NVIDIA GeForce GTX 485M SLI is a high-end laptop graphics solution based on two GTX 485M graphics cards. With SLI, each card usually renders a single frame (AFR mode). Therefore, it may suffer from micro stuttering in low fps ranges of 30fps. This happens because of different timespans between two frames (e.g. irregular delays between sequential frames).

The GeForce GTX485M SLI supports the same features as a single GTX 485M card. Therefore, it supports DirectX 11 and is produced in a 40nm fabrication process at TSMC. 

Unlike the GeForce GTX 480M, the 485M is no longer based on a trimmed down GF100 core, but on the GF104 core instead. The latter has been designed for the consumer sector and has 384 cores maximum if completely enabled. More information on the GF104 core can be found on the GTX 485M page.  

The performance of the Nvidia GeForce GTX 485M SLI is clearly better than the GTX 480M SLI and is therefore the fastest graphics solution for laptops as of early 2011. It allows the user to play all current games in high resolutions and detail settings with Antialiasing activated. Only Metro 2033 and Crysis may stutter with high Antialiasing and maximum details. Compared to a single GTX 485M, the performance from the SLI combination should be about 40% higher on average (with high details and Antialiasing). Compared to Crossfire solutions by AMD, the Nvdia SLI drivers have the advantage as of this writing.

As the GeForce 300M series, the GeForce GTX 485M supports PureVideo HD with VideoProcessor 4 (VP4 with Feature Set C). This means that the GPU is able to fully decode HD videos in H.254, VC-1, MPEG-2, and MPEG-4 ASP. Using Flash 10.1, the graphics card can also accelerate Flash videos.

What's new in the GF104 chips compared to the GF100 (480M) is the support for Bitstream transfer of HD Audio (Blu-Ray) via HDMI. Similar to the HD 5850, the GTX 485M can transmit Dolby True HD and DTS-HD via Bitstream to compatible receivers without quality loss.

The rendering cores of the Nvidia GeForce GTX 485M can be used for general calculations using CUDA or DirectCompute. In other words, the encoding for HD videos can be done significantly faster by using the shader cores of the GPUs instead of using modern CPUs. PhysX is also supported by the mobile Fermi to calculate physics effects in supported games. Furthermore, a single GTX485M can be used to calculate PhysX while the other card can render frames in the SLI setup.

Compared to desktop GPUs, the Geforce GTX 485M SLI is most similar to two Nvidia GeForce GTX 460 cards running in an SLI configuration.

NVIDIA GeForce GTX 470M SLINVIDIA GeForce GTX 485M SLI
ManufacturerNVIDIANVIDIA
GeForce GTX 400M Series
GeForce GTX 485M SLI 768 @ 0.58 GHz256 Bit @ 1500 MHz
GeForce GTX 470M SLI 576 @ 0.54 GHz192 Bit @ 1250 MHz
GeForce GTX 480M SLI compare 704 @ 0.43 GHz256 Bit @ 1200 MHz
GeForce GTX 460M SLI compare 384 @ 0.68 GHz192 Bit @ 1250 MHz
GeForce GTX 485M compare 384 @ 0.58 GHz256 Bit @ 1500 MHz
GeForce GTX 470M compare 288 @ 0.54 GHz192 Bit @ 1250 MHz
GeForce GTX 480M compare 352 @ 0.43 GHz256 Bit @ 1200 MHz
GeForce GTX 460M compare 192 @ 0.68 GHz192 Bit @ 1250 MHz
GeForce GTX 485M SLI 768 @ 0.58 GHz256 Bit @ 1500 MHz
GeForce GTX 470M SLI 576 @ 0.54 GHz192 Bit @ 1250 MHz
GeForce GTX 480M SLI compare 704 @ 0.43 GHz256 Bit @ 1200 MHz
GeForce GTX 460M SLI compare 384 @ 0.68 GHz192 Bit @ 1250 MHz
GeForce GTX 485M compare 384 @ 0.58 GHz256 Bit @ 1500 MHz
GeForce GTX 470M compare 288 @ 0.54 GHz192 Bit @ 1250 MHz
GeForce GTX 480M compare 352 @ 0.43 GHz256 Bit @ 1200 MHz
GeForce GTX 460M compare 192 @ 0.68 GHz192 Bit @ 1250 MHz
CodenameN11E-GTN11E-GTX-A1
ArchitectureFermiFermi
Cores576 - unified768 - unified
Core535 MHz575 MHz
Shader1070 MHz1150 MHz
Memory1250 MHz1500 MHz
Bus192 Bit256 Bit
MemoryGDDR5GDDR5
Shared Memorynono
DirectXDirectX 11, 5.0DirectX 11, 5.0
Technology40 nm40 nm
Size2/32/3
Introduced01.11.2010 06.01.2011
Max. Memory2x2048 MB
Manufacturerhttp://www.nvidia.com/object/geforce_gtx...

3DMark 11 - 3DM11 Performance Score
4076 Points (11%)
5468 Points (14%)
3DMark 11 - 3DM11 Performance GPU
4070 Points (7%)
5334 Points (9%)
3DMark Vantage
3DM Vant. Perf. total + NVIDIA GeForce GTX 470M SLI
3DM Vant. Perf. total + NVIDIA GeForce GTX 485M SLI
3DM Vant. Perf. GPU no PhysX + NVIDIA GeForce GTX 470M SLI
3DM Vant. Perf. GPU no PhysX + NVIDIA GeForce GTX 485M SLI
3DMark 03 - 3DMark 03 - Standard
69012 Points (36%)
87591 Points (46%)
3DMark 05 - 3DMark 05 - Standard
25241 Points (37%)
29690 Points (43%)
3DMark 06 3DMark 06 - Standard 1280x1024 + NVIDIA GeForce GTX 470M SLI
3DMark 06 - Standard 1280x1024 + NVIDIA GeForce GTX 485M SLI
Unigine Heaven 2.1 - Heaven 2.1 high
57.1 fps (11%)
78.5 fps (15%)
SPECviewperf 11
specvp11 snx-01 + NVIDIA GeForce GTX 470M SLI
specvp11 snx-01 + NVIDIA GeForce GTX 485M SLI
specvp11 tcvis-02 + NVIDIA GeForce GTX 470M SLI
specvp11 tcvis-02 + NVIDIA GeForce GTX 485M SLI
specvp11 sw-02 + NVIDIA GeForce GTX 470M SLI
specvp11 sw-02 + NVIDIA GeForce GTX 485M SLI
specvp11 proe-05 + NVIDIA GeForce GTX 470M SLI
specvp11 proe-05 + NVIDIA GeForce GTX 485M SLI
specvp11 maya-03 + NVIDIA GeForce GTX 470M SLI
specvp11 maya-03 + NVIDIA GeForce GTX 485M SLI
specvp11 lightwave-01 + NVIDIA GeForce GTX 470M SLI
specvp11 lightwave-01 + NVIDIA GeForce GTX 485M SLI
specvp11 ensight-04 + NVIDIA GeForce GTX 470M SLI
specvp11 ensight-04 + NVIDIA GeForce GTX 485M SLI
specvp11 catia-03 + NVIDIA GeForce GTX 470M SLI
specvp11 catia-03 + NVIDIA GeForce GTX 485M SLI
Windows 7 Experience Index - Win7 Gaming graphics
7.8 Points (99%)
7.5 Points (95%)
Windows 7 Experience Index - Win7 Graphics
7.8 Points (99%)
7.5 Points (95%)
Cinebench R10 Cinebench R10 Shading (32bit) + NVIDIA GeForce GTX 470M SLI
Cinebench R10 Shading (32bit) + NVIDIA GeForce GTX 485M SLI
Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit + NVIDIA GeForce GTX 470M SLI
Cinebench R11.5 OpenGL 64 Bit + NVIDIA GeForce GTX 485M SLI

Average Benchmarks NVIDIA GeForce GTX 470M SLI → 100% n=20

Average Benchmarks NVIDIA GeForce GTX 485M SLI → 120% n=20

-
-
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

low 800x600
100%
GeForce GTX 470M SLI:
83.5 fps  fps
200%
GeForce GTX 485M SLI:
167  fps
med. 1024x768
100%
GeForce GTX 470M SLI:
77.3 fps  fps
162%
GeForce GTX 485M SLI:
125.1  fps
high 1360x768
100%
GeForce GTX 470M SLI:
77.3 fps  fps
166%
GeForce GTX 485M SLI:
128.4  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
61.4 fps  fps
194%
GeForce GTX 485M SLI:
119  fps
Fifa 11

Fifa 11

2010
low 800x600
100%
GeForce GTX 470M SLI:
539.4  fps
118%
GeForce GTX 485M SLI:
637.8  fps
med. 1024x768
100%
GeForce GTX 470M SLI:
336  fps
127%
GeForce GTX 485M SLI:
426.6  fps
high 1360x768
100%
GeForce GTX 470M SLI:
242  fps
127%
GeForce GTX 485M SLI:
307.3  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
151.2  fps
132%
GeForce GTX 485M SLI:
199.2  fps
Mafia 2

Mafia 2

2010
low 800x600
100%
GeForce GTX 470M SLI:
124.4  fps
117%
GeForce GTX 485M SLI:
145.3  fps
med. 1024x768
100%
GeForce GTX 470M SLI:
114  fps
122%
GeForce GTX 485M SLI:
139.5  fps
high 1360x768
100%
GeForce GTX 470M SLI:
103.9  fps
127%
GeForce GTX 485M SLI:
132.4  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
76.6  fps
133%
GeForce GTX 485M SLI:
102.2  fps
low 1024x768
100%
GeForce GTX 470M SLI:
280 fps  fps
116%
GeForce GTX 485M SLI:
323.8  fps
med. 1360x768
100%
GeForce GTX 470M SLI:
83.3 fps  fps
126%
GeForce GTX 485M SLI:
105.3  fps
high 1360x768
100%
GeForce GTX 470M SLI:
73.9 fps  fps
128%
GeForce GTX 485M SLI:
94.8  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
50.3 fps  fps
131%
GeForce GTX 485M SLI:
65.9  fps
low 800x600
100%
GeForce GTX 470M SLI:
136 fps  fps
110%
GeForce GTX 485M SLI:
149.6  fps
med. 1360x768
100%
GeForce GTX 470M SLI:
108.1 fps  fps
130%
GeForce GTX 485M SLI:
141  fps
high 1600x900
100%
GeForce GTX 470M SLI:
65.5 fps  fps
136%
GeForce GTX 485M SLI:
89.4  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
23 fps  fps
137%
GeForce GTX 485M SLI:
31.4  fps
low 1024x768
100%
GeForce GTX 470M SLI:
152.5 fps  fps
130%
GeForce GTX 485M SLI:
198.2  fps
med. 1366x768
100%
GeForce GTX 470M SLI:
134.5 fps  fps
143%
GeForce GTX 485M SLI:
192.4  fps
high 1366x768
100%
GeForce GTX 470M SLI:
114.9 fps  fps
147%
GeForce GTX 485M SLI:
168.6  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
69.2 fps  fps
140%
GeForce GTX 485M SLI:
96.8  fps
low 800x600
100%
GeForce GTX 470M SLI:
276.5 fps  fps
131%
GeForce GTX 485M SLI:
361.4  fps
med. 1024x768
100%
GeForce GTX 470M SLI:
163.9 fps  fps
130%
GeForce GTX 485M SLI:
212.5  fps
high 1366x768
100%
GeForce GTX 470M SLI:
150.2 fps  fps
127%
GeForce GTX 485M SLI:
190.1  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
104.4 fps  fps
136%
GeForce GTX 485M SLI:
142  fps
Risen

Risen

2009
low 800x600
100%
GeForce GTX 470M SLI:
154 fps  fps
123%
GeForce GTX 485M SLI:
189.2  fps
med. 1024x768
100%
GeForce GTX 470M SLI:
127.9 fps  fps
123%
GeForce GTX 485M SLI:
157.5  fps
high 1366x768
100%
GeForce GTX 470M SLI:
114.7 fps  fps
124%
GeForce GTX 485M SLI:
142.7  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
81.8 fps  fps
133%
GeForce GTX 485M SLI:
109.1  fps
Resident Evil 5

Resident Evil 5

2009
low 800x600
100%
GeForce GTX 470M SLI:
155.3  fps
130%
GeForce GTX 485M SLI:
202.6  fps
high 1360x768
100%
GeForce GTX 470M SLI:
113.8  fps
126%
GeForce GTX 485M SLI:
143.7  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
104.8  fps
Need for Speed Shift

Need for Speed Shift

2009
med. 1024x768
100%
GeForce GTX 470M SLI:
114.2 fps  fps
121%
GeForce GTX 485M SLI:
138.6  fps
high 1366x768
100%
GeForce GTX 470M SLI:
111.1 fps  fps
125%
GeForce GTX 485M SLI:
139  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
102.7 fps  fps
123%
GeForce GTX 485M SLI:
126  fps
Colin McRae: DIRT 2

Colin McRae: DIRT 2

2009
low 800x600
100%
GeForce GTX 470M SLI:
176.4  fps
133%
GeForce GTX 485M SLI:
234.9  fps
med. 1024x768
100%
GeForce GTX 470M SLI:
164.5  fps
120%
GeForce GTX 485M SLI:
197.6  fps
high 1360x768
100%
GeForce GTX 470M SLI:
148.9  fps
119%
GeForce GTX 485M SLI:
177.2  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
93  fps
123%
GeForce GTX 485M SLI:
114.3  fps
Anno 1404

Anno 1404

2009
low 1024x768
100%
GeForce GTX 470M SLI:
181.3  fps
126%
GeForce GTX 485M SLI:
228.2  fps
ultra 1280x1024
100%
GeForce GTX 470M SLI:
109  fps
127%
GeForce GTX 485M SLI:
138.9  fps
F.E.A.R. 2

F.E.A.R. 2

2009
low 800x600
100%
GeForce GTX 470M SLI:
224.9  fps
126%
GeForce GTX 485M SLI:
283.8  fps
med. 1024x768
100%
GeForce GTX 470M SLI:
149  fps
136%
GeForce GTX 485M SLI:
202.4  fps
high 1280x1024
100%
GeForce GTX 470M SLI:
145.4  fps
135%
GeForce GTX 485M SLI:
195.9  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
110.8  fps
139%
GeForce GTX 485M SLI:
154.3  fps
Left 4 Dead

Left 4 Dead

2008
low 640x480
100%
GeForce GTX 470M SLI:
234.4  fps
high 1024x768
100%
GeForce GTX 470M SLI:
195.9  fps
Far Cry 2

Far Cry 2

2008
low 640x480
100%
GeForce GTX 470M SLI:
193.5  fps
high 1024x768
100%
GeForce GTX 470M SLI:
133.6  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
94.7  fps
Call of Duty 4 - Modern Warfare

Call of Duty 4 - Modern Warfare

2007
low 800x600
100%
GeForce GTX 470M SLI:
350.9  fps
med. 1024x768
100%
GeForce GTX 470M SLI:
237  fps
high 1280x1024
100%
GeForce GTX 470M SLI:
193.4  fps
Crysis - GPU Benchmark

Crysis - GPU Benchmark

2007
low 1024x768
100%
GeForce GTX 470M SLI:
138.2  fps
114%
GeForce GTX 485M SLI:
158.2  fps
med. 1024x768
100%
GeForce GTX 470M SLI:
87.8  fps
106%
GeForce GTX 485M SLI:
92.8  fps
high 1024x768
100%
GeForce GTX 470M SLI:
73.5  fps
104%
GeForce GTX 485M SLI:
76.7  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
31.7  fps
137%
GeForce GTX 485M SLI:
43.3  fps
Crysis - CPU Benchmark

Crysis - CPU Benchmark

2007
low 1024x768
100%
GeForce GTX 470M SLI:
182.1  fps
115%
GeForce GTX 485M SLI:
209.5  fps
med. 1024x768
100%
GeForce GTX 470M SLI:
92.4  fps
105%
GeForce GTX 485M SLI:
96.7  fps
high 1024x768
100%
GeForce GTX 470M SLI:
76.8  fps
102%
GeForce GTX 485M SLI:
78.6  fps
ultra 1920x1080
100%
GeForce GTX 470M SLI:
30.4  fps
136%
GeForce GTX 485M SLI:
41.4  fps
Call of Juarez Benchmark

Call of Juarez Benchmark

2006
high 1024x768
100%
GeForce GTX 470M SLI:
154.8  fps
Half Life 2 - Lost Coast Benchmark

Half Life 2 - Lost Coast Benchmark

2005
high 1024x768
100%
GeForce GTX 470M SLI:
244.1  fps

Average Gaming NVIDIA GeForce GTX 470M SLI → 100%

Average Gaming 30-70 fps → 100%

Average Gaming NVIDIA GeForce GTX 485M SLI → 130%

Average Gaming 30-70 fps → 135%

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Redaktion, 2017-09- 8 (Update: 2017-09-11)