NVIDIA GeForce GTX 765M SLI

The NVIDIA GeForce GTX 765M SLI is a high-end DirectX 11-compatible graphics solution for laptops, consisting of two GeForce GTX 765M. Each card has a 28nm GK106 core based on the Kepler architecture. The clocks for the SLI-setup are identical to a single GTX 765M. With SLI, each card usually renders a single frame (AFR mode). Therefore, it may suffer from micro stuttering in low fps ranges below 30fps. This happens because of irregular delays between two sequential frames.
Architecture
The Kepler architecture is the successor to the Fermi architecture that first appeared in laptops with the GeForce 400M series. The GK106 Kepler core offers five shader blocks, called SMX, that are clocked at the same speed as the central core. In the GTX 765M, only four blocks are activated (= 768 CUDA-Cores for each 765M). Although the Kepler architecture can utilize more shader cores than a Fermi chip, its shaders can be up to twice as power efficient. However, due to the missing hot clock of the shader domain, two shaders of a Kepler chip are of similar speed to one shader of a Fermi chip (as the latter is clocked twice as fast).
PCIe 3.0 is now supported by the mobile Kepler series and an optional Turbo mode can automatically overclock the Nvidia card by a theoretical 15 percent if the laptop cooling system allows it. The implementation of this boost mode is done in the BIOS, but it is ultimately dependent upon the manufacturer of the laptop.
Performance
The graphics performance of the GeForce GTX 765M SLI is about 70 - 80 percent above a single GTX 765M, making it as fast as a single GeForce GTX 680M. Therefore, most games as of 2013 are playable at the highest detail setting and in FullHD resolution. In many cases it is even possible to activate additional anti-aliasing.
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. However, as most laptops will feature Optimus, the integrated GPU will likely have direct control over the display ports and may limit the feature set available by the Nvidia Kepler cards.
The 5th generation PureVideo HD video processor (VP5) is also integrated in the GK106 core and 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 novelty is the inclusion of a dedicated video encoding engine similar to Intel QuickSync that can be accessed by the NVENC API.
Power consumption
The power consumption of the GeForce GTX 765M SLI should double that of a single 765M at about 120 - 130 W including the boards and memory. Therefore, the dual cards are well-suited for large desktop replacements.
Manufacturer | NVIDIA |
GeForce GTX 700M Series | |
Architecture | Kepler |
Pipelines | 1536 - unified |
Core Speed | 850 MHz |
Memory Speed | 4000 MHz |
Memory Bus Width | 2x 128 Bit |
Memory Type | GDDR5 |
Max. Amount of Memory | 2x 2048 MB |
Shared Memory | no |
DirectX | DirectX 11, Shader 5.0 |
Transistor Count | 2x 2540 Million |
technology | 28 nm |
Features | Optimus, SLI, PhysX, Verde Drivers, CUDA, 3D Vision, 3DTV Play |
Notebook Size | large |
Date of Announcement | 30.05.2013 |
Benchmarks
Performance Rating - 3DMark 11 + Fire Strike + Time Spy
27.1 pt (28%)
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NVIDIA GeForce GTX 765M SLI
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3DMark - 3DMark Cloud Gate Score
min: 17729 avg: 18130 median: 18129.5 (24%) max: 18530 Points
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3DMark - 3DMark Cloud Gate Graphics
min: 34968 avg: 35376 median: 35375.5 (17%) max: 35783 Points
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3DMark - 3DMark Fire Strike Standard Score
min: 4158 avg: 4317 median: 4316.5 (11%) max: 4475 Points
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3DMark - 3DMark Fire Strike Standard Graphics
min: 4795 avg: 5073 median: 5073 (10%) max: 5351 Points
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3DMark - 3DMark Ice Storm Graphics
min: 253110 avg: 261786 median: 261786 (35%) max: 270461 Points
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3DMark 11 - 3DM11 Performance Score
min: 7349 avg: 7352 median: 7352 (17%) max: 7355 Points
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3DMark 11 - 3DM11 Performance GPU
min: 7897 avg: 7944 median: 7944 (13%) max: 7991 Points
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3DMark Vantage
3DM Vant. Perf. total +3DMark Vantage - 3DM Vant. Perf. total
min: 24399 avg: 25021 median: 25021 (24%) max: 25643 Points
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3DM Vant. Perf. GPU no PhysX +3DMark Vantage - 3DM Vant. Perf. GPU no PhysX
min: 25579 avg: 25664 median: 25663.5 (24%) max: 25748 Points
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NVIDIA GeForce GTX 580 -6%
NVIDIA GeForce GTX 765M SLI
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3DMark 06 3DMark 06 - Standard 1280x1024 +min: 25180 avg: 25703 median: 25703 (48%) max: 26226 Points
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Unigine Heaven 3.0 - Unigine Heaven 3.0 DX 11
min: 66.7 avg: 68.2 median: 68.2 (23%) max: 69.6 fps
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Unigine Heaven 2.1 - Heaven 2.1 high
min: 95.3 avg: 95.8 median: 95.8 (18%) max: 96.3 fps
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NVIDIA GeForce GTX 580 4%
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SPECviewperf 11
specvp11 snx-01 +SPECviewperf 11 - specvp11 snx-01
3.8 fps (3%)
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specvp11 tcvis-02 +SPECviewperf 11 - specvp11 tcvis-02
1.1 fps (2%)
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specvp11 sw-02 +SPECviewperf 11 - specvp11 sw-02
11.9 fps (14%)
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specvp11 proe-05 +SPECviewperf 11 - specvp11 proe-05
1.6 fps (7%)
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ATI Radeon HD 5850 -11%
NVIDIA GeForce GTX 765M SLI
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specvp11 maya-03 +SPECviewperf 11 - specvp11 maya-03
13.5 fps (10%)
NVIDIA GeForce GTX 580 -89%
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ATI Radeon HD 5770 -4%
NVIDIA GeForce GTX 765M SLI
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specvp11 lightwave-01 +SPECviewperf 11 - specvp11 lightwave-01
20.9 fps (22%)
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specvp11 ensight-04 +SPECviewperf 11 - specvp11 ensight-04
37 fps (18%)
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specvp11 catia-03 +SPECviewperf 11 - specvp11 catia-03
11.5 fps (14%)
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Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit +Cinebench R11.5 - Cinebench R11.5 OpenGL 64 Bit
min: 59.4 avg: 62.5 median: 62.5 (28%) max: 65.67 fps
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Cinebench R15
Cinebench R15 OpenGL 64 Bit +Cinebench R15 - Cinebench R15 OpenGL 64 Bit
88.4 fps (25%)
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NVIDIA GeForce GTX 765M SLI
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- 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.
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» With all tested laptops playable in detail settings med..
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» With all tested laptops playable in detail settings ultra.
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» With all tested laptops playable in detail settings ultra.
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» With all tested laptops playable in detail settings ultra.
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» With all tested laptops playable in detail settings ultra.
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» With all tested laptops playable in detail settings ultra.
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» With all tested laptops playable in detail settings med..
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» With all tested laptops playable in detail settings ultra.
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» With all tested laptops playable in detail settings high.
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» With all tested laptops playable in detail settings ultra.
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NVIDIA GeForce GTX 460 768MB -18%
NVIDIA GeForce GTX 765M SLI
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NVIDIA GeForce GTX 460 768MB -10%
NVIDIA GeForce GTX 765M SLI
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NVIDIA GeForce GTX 460 768MB 0%
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NVIDIA GeForce GTX 460 768MB -4%
NVIDIA GeForce GTX 765M SLI
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» With all tested laptops playable in detail settings high.
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» With all tested laptops playable in detail settings ultra.
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» With all tested laptops playable in detail settings high.
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