NVIDIA GeForce GT 435M vs NVIDIA GeForce GT 445M

NVIDIA GeForce GT 435M

► remove NVIDIA GeForce GT 435M

The NVIDIA GeForce GT 435M is a fast mid-range laptop graphics card presented in 2010. It is based on the GF108 core, which is related to the Fermi  (GF100) architecture. Therefore, it supports DirectX 11 and OpenGL 4.0. In contrast to the GT 415M, the card features the full 96 shader cores. The difference to the slower GT420M and GT425M chips is the higher core and memory clock rate.

GF108 architecture

The GF108 core of the GT 435M is related to the GF100 core of the GeFore GTX 480M and offers 96 shaders and a 128 Bit memory bus for DDR3. Except for the memory controllers the GF108 can basically be considered a halved GF106. Therefore, the architecture is not comparable to the old GT215 (e.g., GeForce GTS 350M) or GT216 (e.g., GeForce GT 330M) cores. Unlike the GF100 the smaller GF104, GF106, and GF108 core were not only shortened, but also 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 thereby be utilized more efficiently and the performance per core is improved. However, in worst case scenarios the performance can also be worse than of the GF100 (and its predecessors). The ECC memory protection, which is important for professional applications, was completely omitted and the FP64 hardware shortened (only 1/3 of the shader are FP64-capable and therewith only 1/12 of the FP32’s performance). 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 5650).

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

Performance

The performance of the GeForce GT 435M is on average as fast, as a Mobility Radeon HD 5650 and therefore in the upper middle class (in 2010). As the GeForce GT 435M features a new architecture, the performance is not comparable to older chips with a similar core count (like the GTS 250M e.g.). The DDR3 graphics memory combined with the 128 Bit bus should be the bottleneck of the GT 435M. In our tests, the GT435M handled demanding games of 2010 like Mafia 2 or Battlefield: Bad Company 2 with medium details and WXGA resolution settings. Less demanding games like Fifa 11 or StarCraft 2 (single player) can be played in high details without stuttering. More gaming benchmarks can be found below.

Features

A novelty of the GF104/106/108 chips is the support of Bitstream HD Audio (Blu-Ray) output via HDMI. Alike the Radeon HD 5730, the GT 435M can transfer Dolby True HD and DTS-HD bitstream-wise without quality loss to a HiFi receiver.

The GT435M 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). 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 GT 435M can be of help in general calculations. For example, the stream processor can considerably faster encode videos than a fast CPU can. Furthermore, physics calculations can be done by the GPU using PhysX (e.g. supported by Mafia 2 or Metro 2033).

According to Nvidia, support for 3D Vision on the new 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).

According to rumors, the power consumption of the GeForce GT 435M should be about 40-45 Watt (TDP including the MXM board and memory), and therefore suited for 15” laptops (comparable to the HD 5730). Without load, the chip is clocked at 50/100/135 MHz (chip/shader/memory) in 2D respectively 200/400/325 in 3D mode to save power. Furthermore, the 400M series supports Optimus to automatically switch between the integrated graphics card from Intel and the Nvidia GPU. However, the laptop manufacturers need to implement it and it cannot be upgraded.

NVIDIA GeForce GT 445M

► remove NVIDIA GeForce GT 445M

The NVIDIA GeForce GT 445M is a fast mid-range laptop graphics card introduced in 2010. It is based on the GF106 core, which is related to the Fermi architecture. Therefore, it supports DirectX 11 and OpenGL 4.0. In contrast to the GTX 460M, the card only features 144 of the 192 shader cores. Depending on the configuration, the GPU is available in 128 bit DDR3 or 192 bit GDDR5 for VRAM. The performance difference between the two versions can differ significantly.

GF106 architecture

The GF106 core of the GTX 445M is related to the GF100 core of the GeFore GTX 480M and offers a maximum of 192 shaders and a 192 Bit memory bus with GDDR5. The GT 445M offers only 144 shaders and, in some variants, also a smaller memory bus with DDR3. Except for the memory controllers, the GF106 can essentially be considered a halved GF104. Therefore, the architecture is not comparable to the old GT215 (e.g., GeForce GTS 350M) or GT216 (e.g., GeForce GT 330M) cores.  

Unlike the GF100, the smaller GF104, GF106 and GF108 cores were not only shortened, but also considerably modified. In contrast to the GF100, which was designed for professional applications, these latter GF10x chips target the consumer market. They feature more shaders (3x16 instead of 2x16), more texture units (8 instead of 4) and more SFUs per streaming multi-processor (SM). 

As there are still only 2 warp schedulers (versus 3 shader groups), Nvidia now uses superscalar execution in order to utilize the higher amount of shaders per SM more efficiently. In other words, the shaders operate more efficiently with higher performance per core. 

However, in worst case scenarios the performance can also be worse than of the GF100 and its predecessors. The ECC memory protection, which is important for professional applications, was completely omitted and the FP64 hardware shortened (only 1/3 of the shaders are FP64-capable and thereby only 1/12 of the FP32’s performance). 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 rates of the shader domain, the Nvidia core count cannot be directly compared to AMD cores of the Radeon 5000 series (e.g. HD 5830).

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

Performance

Because the GeForce GT 445M features the new Fermi architecture, the performance is not comparable to older chips with a similar core count. General performance heavily depends on the used memory, as DDR3 should be a bottleneck to the performance. The gaming performance is intended to be on a level with the Mobility Radeon HD 5850, assuming that the same type of graphics memory is used. In our tests, a DDR3 GeForce GT 445M was on average 14% faster than a DDR3 Radeon HD 5850 with DDR3. Furthermore, the the Fermi based chips offer a higher Tessellation performance than DX11 chips of the Radeon HD 5000 series. See below for our detailed benchmark values and gaming tests.

Features

A novel feature of the GF104/106/108 chips is the support for Bitstream HD Audio output via HDMI for Blu-ray playback. Similar the Radeon HD 5730, the GT 445M can transfer Dolby True HD and DTS-HD bitstream without quality loss to a HiFi receiver.

The GT445M offers the PureVideo HD technology for video decoding. The included Video Processor 4 (VP4) supports feature set C and 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). In our tests, a 1080p H.264 encoded movie was playing fluently at very low CPU utilization (about 1%). A 1080p Youtube Flash video stressed the CPU only at 4%.

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 GT 445M can be of help in general calculations. For example, the stream processor can encode videos considerably faster than can a modern CPU. Furthermore, physics calculations can be done by the GPU using PhysX. Certain games, such as Mafia 2 or Metro 2033, natively support this feature.

According to Nvidia, support for 3D Vision on the GT 445M is also new. It enables the laptop to send 3D content (3D games, 3D Web Streaming, 3D photos, 3D Blu-Rays) to a built-in 3D-enabled screen or an external 3D TV if supported by the laptop manufacturer.

According to rumors, the power consumption of the GeForce GT 445M should be about 45 Watt TDP if including the MXM board and memory, which is about the level of a Mobility Radeon HD 5830. If idle, the chip is clocked at 50/100 MHz (chip/shader) in 2D mode and 200/400 in 3D mode for power-saving purposes. Furthermore, the 400M series supports Optimus to automatically switch between the integrated graphics card from Intel and the Nvidia GPU. Most notebooks include this feature, but its implementation is completely dependent on the notebook manufacturer.

NVIDIA GeForce GT 435MNVIDIA GeForce GT 445M
ManufacturerNVIDIANVIDIA
GeForce GT 400M Series
GeForce GT 445M 144 @ 590 MHz192 / 128 Bit @ 1250 MHz
GeForce GT 435M 96 @ 650 MHz128 Bit @ 800 MHz
GeForce GT 425M (compare) 96 @ 560 MHz128 Bit @ 800 MHz
GeForce GT 420M (compare) 96 @ 500 MHz128 Bit @ 800 MHz
GeForce GT 415M (compare) 48 @ 500 MHz128 Bit @ 800 MHz
GeForce GT 445M 144 @ 590 MHz192 / 128 Bit @ 1250 MHz
GeForce GT 435M 96 @ 650 MHz128 Bit @ 800 MHz
GeForce GT 425M (compare) 96 @ 560 MHz128 Bit @ 800 MHz
GeForce GT 420M (compare) 96 @ 500 MHz128 Bit @ 800 MHz
GeForce GT 415M (compare) 48 @ 500 MHz128 Bit @ 800 MHz
CodenameN11P-GTN11E-GE
ArchitectureFermiFermi
96 - 144 -
Core650 MHz590 MHz
Shader1300 MHz1180 MHz
Memory800 MHz1250 MHz
Bus128 Bit192 / 128 Bit
MemoryDDR3DDR3, GDDR5
nono
DirectXDirectX 11, 5.0DirectX 11, 5.0
Technology40 nm40 nm
FeaturesOptimus Support, PureVideo HD VP4, 3D Vision, Bitstream HD Audio, CUDA, DirectCompute, OpenCL, OpenGL 4.0, DirectX 11Optimus Support, PureVideo HD VP4, 3D Vision, Bitstream HD Audio, CUDA, DirectCompute, OpenCL, OpenGL 4.0, DirectX 11
Size
Introduced03.09.2010 03.09.2010
Manufacturerhttp://www.nvidia.com/object/product-gef...http://www.nvidia.com/object/product-gef...

3DMark 11 - Performance 1280x720
min: 820     avg: 896.5     median: 896.5 (3%)     max: 973 points
1291 points (4%)
3DMark 11 - Performance GPU 1280x720
min: 732     avg: 799     median: 799 (2%)     max: 866 points
1148 points (2%)
3DMark Vantage
P Result 1280x1024 + NVIDIA GeForce GT 435M
P Result 1280x1024 + NVIDIA GeForce GT 445M
P GPU no PhysX 1280x1024 + NVIDIA GeForce GT 435M
P GPU no PhysX 1280x1024 + NVIDIA GeForce GT 445M
3DMark 2001SE - Standard 1024x768
35402 Points (37%)
3DMark 03 - Standard 1024x768
min: 19261     avg: 19303     median: 19280 (10%)     max: 19368 Points
27599 Points (14%)
3DMark 05 - Standard 1024x768
14036 Points (30%)
3DMark 06 + NVIDIA GeForce GT 435M
Standard 1280x1024 + NVIDIA GeForce GT 445M
Unigine Heaven 2.1 - high, Tesselation (normal), DirectX11 1280x1024
9 fps (4%)
16.2 fps (7%)
SPECviewperf 11
Siemens NX 1920x1080 + NVIDIA GeForce GT 435M
Siemens NX 1920x1080 + NVIDIA GeForce GT 445M
Tcvis 1920x1080 + NVIDIA GeForce GT 435M
Tcvis 1920x1080 + NVIDIA GeForce GT 445M
SolidWorks 1920x1080 + NVIDIA GeForce GT 435M
SolidWorks 1920x1080 + NVIDIA GeForce GT 445M
Pro/ENGINEER 1920x1080 + NVIDIA GeForce GT 435M
Pro/ENGINEER 1920x1080 + NVIDIA GeForce GT 445M
Maya 1920x1080 + NVIDIA GeForce GT 435M
Maya 1920x1080 + NVIDIA GeForce GT 445M
Lightwave 1920x1080 + NVIDIA GeForce GT 435M
Lightwave 1920x1080 + NVIDIA GeForce GT 445M
Ensight 1920x1080 + NVIDIA GeForce GT 435M
Ensight 1920x1080 + NVIDIA GeForce GT 445M
Catia 1920x1080 + NVIDIA GeForce GT 435M
Catia 1920x1080 + NVIDIA GeForce GT 445M
Windows 7 Experience Index - Gaming graphics
6.6 points (84%)
6.8 points (86%)
Windows 7 Experience Index - Graphics
6.6 points (84%)
6.8 points (86%)
Cinebench R10 Shading 32Bit + NVIDIA GeForce GT 435M
Shading 32Bit + NVIDIA GeForce GT 445M
Cinebench R11.5 OpenGL 64Bit + NVIDIA GeForce GT 435M
OpenGL 64Bit + NVIDIA GeForce GT 445M

Average Benchmarks NVIDIA GeForce GT 435M → 100%

Average Benchmarks NVIDIA GeForce GT 445M → 125%

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

med. 1024x768
GeForce GT 445M:
61.8 fps  fps
high 1360x768
GeForce GT 445M:
56.5 fps  fps
ultra 1920x1080
GeForce GT 445M:
37.1 fps  fps
GeForce GT 445M:
»
Fifa 11

Fifa 11

2010
low 800x600
100%
GeForce GT 435M:
293.2 319.9 fps ~ 307 fps
med. 1024x768
100%
GeForce GT 435M:
149.6 153.7 fps ~ 152 fps
155%
GeForce GT 445M:
235.5 fps  fps
high 1360x768
100%
GeForce GT 435M:
106 110 fps ~ 108 fps
151%
GeForce GT 445M:
163.3 fps  fps
ultra 1920x1080
100%
GeForce GT 435M:
58.2 fps  fps
170%
GeForce GT 445M:
98.9 fps  fps
GeForce GT 435M:
»
GeForce GT 445M:
»
Mafia 2

Mafia 2

2010
med. 1024x768
100%
GeForce GT 435M:
40.4  fps
128%
GeForce GT 445M:
51.8  fps
high 1360x768
100%
GeForce GT 435M:
35.2  fps
119%
GeForce GT 445M:
41.8  fps
ultra 1920x1080
100%
GeForce GT 435M:
21.3  fps
118%
GeForce GT 445M:
25.1  fps
GeForce GT 435M:
»
GeForce GT 445M:
»
low 1024x768
100%
GeForce GT 435M:
202 fps  fps
med. 1360x768
100%
GeForce GT 435M:
46 fps  fps
126%
GeForce GT 445M:
58.1 fps  fps
high 1360x768
100%
GeForce GT 435M:
32 fps  fps
136%
GeForce GT 445M:
43.5 fps  fps
ultra 1920x1080
100%
GeForce GT 435M:
17 fps  fps
136%
GeForce GT 445M:
23.2 fps  fps
GeForce GT 435M:
»
GeForce GT 445M:
»
low 800x600
100%
GeForce GT 435M:
72.9  fps
med. 1360x768
100%
GeForce GT 435M:
40  fps
94%
GeForce GT 445M:
37.7 fps  fps
high 1600x900
100%
GeForce GT 435M:
18.6  fps
104%
GeForce GT 445M:
19.4 fps  fps
ultra 1920x1080
GeForce GT 445M:
6.8 fps  fps
GeForce GT 435M:
»
GeForce GT 445M:
»
low 1024x768
100%
GeForce GT 435M:
43.2  fps
med. 1366x768
100%
GeForce GT 435M:
29 40.3 fps ~ 35 fps
151%
GeForce GT 445M:
52.7 fps  fps
high 1366x768
100%
GeForce GT 435M:
21.5 29.2 fps ~ 25 fps
157%
GeForce GT 445M:
39.3 fps  fps
ultra 1920x1080
100%
GeForce GT 435M:
14.5 fps  fps
146%
GeForce GT 445M:
21.1 fps  fps
GeForce GT 435M:
»
GeForce GT 445M:
»
med. 1024x768
100%
GeForce GT 435M:
46.2 fps  fps
136%
GeForce GT 445M:
63 fps  fps
high 1366x768
100%
GeForce GT 435M:
40.2 fps  fps
129%
GeForce GT 445M:
52 fps  fps
ultra 1920x1080
100%
GeForce GT 435M:
25.5 fps  fps
133%
GeForce GT 445M:
33.8 fps  fps
GeForce GT 435M:
»
GeForce GT 445M:
»
Risen

Risen

2009
low 800x600
100%
GeForce GT 435M:
62.6 fps 71.9 ~ 67 fps
med. 1024x768
100%
GeForce GT 435M:
29.2 40.2 fps ~ 35 fps
139%
GeForce GT 445M:
48.6 fps  fps
high 1366x768
100%
GeForce GT 435M:
18.9 30 fps ~ 24 fps
136%
GeForce GT 445M:
32.6 fps  fps
ultra 1920x1080
100%
GeForce GT 435M:
13.4 fps  fps
162%
GeForce GT 445M:
21.7 fps  fps
GeForce GT 435M:
»
GeForce GT 445M:
»
Resident Evil 5

Resident Evil 5

2009
low 800x600
100%
GeForce GT 435M:
69.1  fps
159%
GeForce GT 445M:
109.8  fps
high 1360x768
100%
GeForce GT 435M:
45.7  fps
134%
GeForce GT 445M:
61.2  fps
ultra 1920x1080
100%
GeForce GT 435M:
24.3  fps
143%
GeForce GT 445M:
34.7  fps
GeForce GT 435M:
»
GeForce GT 445M:
»
Need for Speed Shift

Need for Speed Shift

2009
low 800x600
100%
GeForce GT 435M:
46.1  fps
med. 1024x768
100%
GeForce GT 435M:
30  fps
250%
GeForce GT 445M:
75.1 fps  fps
high 1366x768
100%
GeForce GT 435M:
28  fps
191%
GeForce GT 445M:
53.6 fps  fps
ultra 1920x1080
GeForce GT 445M:
31.7 fps  fps
GeForce GT 435M:
»
GeForce GT 445M:
»
Colin McRae: DIRT 2

Colin McRae: DIRT 2

2009
low 800x600
100%
GeForce GT 435M:
45.3 110.2 fps ~ 78 fps
med. 1024x768
100%
GeForce GT 435M:
41.1 65.5 fps ~ 53 fps
168%
GeForce GT 445M:
89.3  fps
high 1360x768
100%
GeForce GT 435M:
29.4 29.7 fps ~ 30 fps
188%
GeForce GT 445M:
56.5  fps
ultra 1920x1080
100%
GeForce GT 435M:
21.2 fps  fps
148%
GeForce GT 445M:
31.4  fps
GeForce GT 435M:
»
GeForce GT 445M:
»
Anno 1404

Anno 1404

2009
low 1024x768
100%
GeForce GT 435M:
60 99.3 ~ 80 fps
ultra 1280x1024
100%
GeForce GT 435M:
20.1  fps
GeForce GT 435M:
»
Crysis Warhead

Crysis Warhead

2008
low 800x600
100%
GeForce GT 435M:
63  fps
ultra 1024x768
100%
GeForce GT 435M:
12  fps
GeForce GT 435M:
»
Call of Duty 4 - Modern Warfare

Call of Duty 4 - Modern Warfare

2007
low 800x600
100%
GeForce GT 435M:
122.5  fps
med. 1024x768
100%
GeForce GT 435M:
57.9  fps
GeForce GT 435M:
»
Call of Juarez Benchmark

Call of Juarez Benchmark

2006
high 1024x768
100%
GeForce GT 435M:
47.8  fps
GeForce GT 435M:
»

Average Gaming NVIDIA GeForce GT 435M → 100%

Average Gaming NVIDIA GeForce GT 445M → 147%

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