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NVIDIA GeForce GT 755M SLI

NVIDIA GeForce GT 755M SLI

The NVIDIA GeForce GT 755M SLI is a high-end DirectX 11-compatible graphics solution for laptops, consisting of two GeForce GT 755M. Each card has a 28nm GK107 core based on the Kepler architecture. 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).

Compared to the GeForce 750M, the 755M respectively 755M SLI is combined only with GDDR5 graphics memory and clocked slightly higher.

Architecture

The GK107 Kepler core offers two shader blocks, called SMX, each with 192 shaders for a total of 384 shader cores that are clocked at the same speed as the processor core. Although more shader cores are available in the Kepler architecture as compared to the Fermi design, the Kepler shaders are expected to be up to two times more power efficient. However, due to the missing hot clock of the shader domain, two shaders of a Kepler chip are as fast as one shader of a Fermi chip, even though Fermi shaders are clocked at twice the speed.

PCIe 3.0 is now supported by the mobile Kepler series and GPU Boost 2.0 can automatically overclock the card if the laptop cooling system allows it. This feature is available on any notebook with a graphics card of the 700M series.

Performance

Thanks to the slighly higher clocks, the GT 755M SLI is somewhat faster than the former GT 750M SLI and performs similar to a single GeForce GTX 770M or GTX 680M. Depending on the game, there can be big differences here, depending on how well SLI scales in a particular case. Overall, most current games (as of 2013) can be played fluently in 1080p and (very) high settings.

Features

The feature set includes support for up to 4 active displays. Furthermore, high resolution monitors of up to 3840x2160 pixels can now be connected using DisplayPort 1.2 or HDMI 1.4a if available. HD-Audio codecs, such as Dolby TrueHD and DTS-HD, can be transmitted via bitstream mode through the HDMI port.

The 5th generation PureVideo HD video processor (VP5) (also integrated in the GK107 core) offers hardware decoding of HD videos. Common codecs such as MPEG-1/2, MPEG-4 ASP, H.264 and VC1/WMV9 are fully supported up to 4K resolutions while VC1 and MPEG-4 are supported up to 1080p. Two streams can be decoded in parallel for features such as Picture-in-Picture. Another feature is the inclusion of a dedicated video encoding engine similar to Intel QuickSync that can be accessed via the NVENCI API.

Power Consumption

The power consumption of the GeForce GT 755M SLI doubles compared to a single 755M, reaching about 100 W. As a result, the Nvidia GPU is only suited for larg gaming notebooks.

GeForce GT 700M Series

GeForce GT 755M SLI 768 @ 0.98 GHz2x 128 Bit @ 5400 MHz
GeForce GT 750M SLI compare 768 @ 0.97 GHz2x 128 Bit @ 2000 - 5000 MHz
GeForce GT 755M compare 384 @ 0.98 GHz128 Bit @ 5400 MHz
GeForce GT 750M compare 384 @ 0.97 GHz128 Bit @ 2000 - 5000 MHz
GeForce GT 745M compare 384 @ 0.84 GHz128 Bit @ 1800 MHz
GeForce GT 740M compare 384 @ 0.81 - 0.98 GHz64/128 Bit @ 1600 - 1800 MHz
GeForce GT 735M compare 384 @ 0.58 - 0.89 GHz64 Bit @ 1800 - 2000 MHz
GeForce GT 730M compare 384 @ 0.73 GHz64/128 Bit @ 1800 - 2000 MHz
GeForce GT 720M compare 96 @ 0.63 - 0.94 GHz64 Bit @ 1800 - 2000 MHz
CodenameN14P-?
ArchitectureKepler
Pipelines768 - unified
Core Speed980 MHz
Memory Speed5400 MHz
Memory Bus Width2x 128 Bit
Memory TypeGDDR5
Max. Amount of Memory2x 2048 MB
Shared Memoryno
APIDirectX 11, Shader 5.0
Power Consumption2x ~50 Watt
Transistor Count0 Billion
technology28 nm
FeaturesGPU Boost 2.0, PhysX, Verde Drivers, CUDA, 3D Vision, 3DTV Play
Notebook Sizelarge
Date of Announcement01.11.2013

Benchmarks

Performance Rating - 3DMark 11 + Fire Strike + Time Spy
1.9 pt (6%)
3DMark Vantage
3DM Vant. Perf. total +
3DM Vant. Perf. GPU no PhysX +
3DMark 06 3DMark 06 - Standard 1280x1024 +
SPECviewperf 11
specvp11 snx-01 +
specvp11 tcvis-02 +
specvp11 sw-02 +
specvp11 proe-05 +
specvp11 maya-03 +
specvp11 lightwave-01 +
specvp11 ensight-04 +
specvp11 catia-03 +
Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit +
Cinebench R15
Cinebench R15 OpenGL 64 Bit +
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

Game Benchmarks

The following benchmarks stem from our benchmarks of review laptops. The performance depends on the used graphics memory, clock rate, processor, system settings, drivers, and operating systems. So the results don't have to be representative for all laptops with this GPU. For detailed information on the benchmark results, click on the fps number.

med. 1366x768
53.9  fps    + Compare
high 1366x768
48.7  fps    + Compare
ultra 1920x1080
29.7  fps    + Compare
» With all tested laptops playable in detail settings high.
med. 1366x768
73  fps    + Compare
high 1366x768
55.1  fps    + Compare
ultra 1920x1080
32  fps    + Compare
» With all tested laptops playable in detail settings high.
med. 1366x768
95.1  fps    + Compare
high 1366x768
71  fps    + Compare
ultra 1920x1080
31.9  fps    + Compare
» With all tested laptops playable in detail settings high.
F1 2013

F1 2013

2013
med. 1366x768
101  fps    + Compare
high 1366x768
90  fps    + Compare
ultra 1920x1080
69  fps    + Compare
» With all tested laptops playable in detail settings ultra.
med. 1366x768
68.9  fps    + Compare
high 1366x768
57.2  fps    + Compare
ultra 1920x1080
40.7  fps    + Compare
» With all tested laptops playable in detail settings ultra.
Dota 2

Dota 2

2013
med. 1366x768
91.3  fps    + Compare
ultra 1920x1080
66.2  fps    + Compare
» With all tested laptops playable in detail settings ultra.
GRID 2

GRID 2

2013
med. 1366x768
109.9  fps    + Compare
high 1366x768
99.4  fps    + Compare
ultra 1920x1080
47.1  fps    + Compare
» With all tested laptops playable in detail settings ultra.
med. 1366x768
57.6  fps    + Compare
high 1366x768
37.5  fps    + Compare
ultra 1920x1080
24.7  fps    + Compare
» With all tested laptops playable in detail settings high.
med. 1366x768
124.8  fps    + Compare
high 1366x768
113.8  fps    + Compare
ultra 1920x1080
45.3  fps    + Compare
» With all tested laptops playable in detail settings ultra.
med. 1366x768
164.6  fps    + Compare
high 1366x768
122.1  fps    + Compare
ultra 1920x1080
51  fps    + Compare
» With all tested laptops playable in detail settings ultra.
Crysis 3

Crysis 3

2013
med. 1366x768
63  fps    + Compare
high 1366x768
55.9  fps    + Compare
ultra 1920x1080
20.6  fps    + Compare
» With all tested laptops playable in detail settings high.
Far Cry 3

Far Cry 3

2012
med. 1366x768
86.1  fps    + Compare
high 1366x768
63.1  fps    + Compare
ultra 1920x1080
21.7  fps    + Compare
» With all tested laptops playable in detail settings high.
med. 1366x768
52.6  fps    + Compare
high 1366x768
44.7  fps    + Compare
ultra 1920x1080
30.6  fps    + Compare
» With all tested laptops playable in detail settings high.
high 1366x768
41.9  fps    + Compare
ultra 1920x1080
36.3  fps    + Compare
» With all tested laptops playable in detail settings ultra.
med. 1366x768
101.2  fps    + Compare
high 1366x768
80.4  fps    + Compare
ultra 1920x1080
23.9  fps    + Compare
» With all tested laptops playable in detail settings high.
lowmed.highultraQHD4K
Assassin´s Creed IV: Black Flag53.948.729.7
Call of Duty: Ghosts7355.132
Battlefield 495.17131.9
F1 20131019069
Saints Row IV68.957.240.7
Dota 291.366.2
GRID 2109.999.447.1
Metro: Last Light57.637.524.7
BioShock Infinite124.8113.845.3
Tomb Raider164.6122.151
Crysis 36355.920.6
Far Cry 386.163.121.7
Hitman: Absolution52.644.730.6
Guild Wars 241.936.3
Sleeping Dogs101.280.423.9
< 30 fps
< 60 fps
< 120 fps
≥ 120 fps




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Notebook reviews with NVIDIA GeForce GT 755M SLI graphics card

 

Review Update Lenovo IdeaPad Y510p (GT 755M SLI) Notebook

Power boost. Lenovo has enhanced the graphics performance of its successful IdeaPad Y510p. The device is now available with either a GeForce GT 750M (SLI) or a ...
Intel Core i7-4700MQ | NVIDIA GeForce GT 755M SLI | 15.60" | 2.9 kg

Lenovo IdeaPad Y510p-59393383: Intel Core i7-4700MQ, 15.60", 2.7 kg
  External Review » Lenovo IdeaPad Y510p-59393383

Lenovo IdeaPad Y510p-59400120: Intel Core i7-4700MQ, 15.60", 2.9 kg
  External Review » Lenovo IdeaPad Y510p-59400120

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Class 2

Radeon PRO W6600M *

Class 3

UHD Graphics 32EUs
UHD Graphics 750

Class 4

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* Approximate position of the graphics adapter