NVIDIA GeForce GT 650M SLI vs NVIDIA GeForce GTX 660M
Comparative analysis of NVIDIA GeForce GT 650M SLI and NVIDIA GeForce GTX 660M videocards for all known characteristics in the following categories: Essentials, Technical info, Compatibility, dimensions and requirements, API support, Memory, Video outputs and ports, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score.
Differences
Reasons to consider the NVIDIA GeForce GT 650M SLI
- 2x more pipelines: 768 vs 384
- 4x more maximum memory size: 2x2 GB vs 1 GB
- 2x more memory clock speed: 4000 MHz vs 2000 MHz
Pipelines | 768 vs 384 |
Maximum memory size | 2x2 GB vs 1 GB |
Memory clock speed | 4000 MHz vs 2000 MHz |
Reasons to consider the NVIDIA GeForce GTX 660M
- Around 6% higher core clock speed: 835 MHz vs 790 MHz
- Around 14% higher boost clock speed: 950 MHz vs 835 MHz
Core clock speed | 835 MHz vs 790 MHz |
Boost clock speed | 950 MHz vs 835 MHz |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 650M SLI
GPU 2: NVIDIA GeForce GTX 660M
Name | NVIDIA GeForce GT 650M SLI | NVIDIA GeForce GTX 660M |
---|---|---|
PassMark - G3D Mark | 1449 | |
PassMark - G2D Mark | 265 | |
Geekbench - OpenCL | 4031 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.837 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 405.086 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.098 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.798 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 33.754 | |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1094 | |
GFXBench 4.0 - Manhattan (Frames) | 2253 | |
GFXBench 4.0 - T-Rex (Frames) | 3176 | |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 1094 | |
GFXBench 4.0 - Manhattan (Fps) | 2253 | |
GFXBench 4.0 - T-Rex (Fps) | 3176 | |
3DMark Fire Strike - Graphics Score | 475 |
Compare specifications (specs)
NVIDIA GeForce GT 650M SLI | NVIDIA GeForce GTX 660M | |
---|---|---|
Essentials |
||
Architecture | Kepler | Kepler |
Code name | N13E-GE | GK107 |
Launch date | 22 March 2012 | 22 March 2012 |
Place in performance rating | not rated | 1277 |
Type | Laptop | Laptop |
Technical info |
||
Boost clock speed | 835 MHz | 950 MHz |
Core clock speed | 790 MHz | 835 MHz |
Manufacturing process technology | 28 nm | 28 nm |
Pipelines | 768 | 384 |
CUDA cores | 384 | |
Floating-point performance | 729.6 gflops | |
Texture fill rate | 30.4 billion / sec | |
Thermal Design Power (TDP) | 50 Watt | |
Transistor count | 1,270 million | |
Compatibility, dimensions and requirements |
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Laptop size | medium sized | large |
Bus support | PCI Express 2.0, PCI Express 3.0 | |
Interface | MXM-B (3.0) | |
SLI options | 2-way | |
API support |
||
DirectX | 11 | 12 API |
OpenCL | 1.1 | |
OpenGL | 4.5 | |
Memory |
||
Maximum RAM amount | 2x2 GB | 1 GB |
Memory bus width | 2x 128 Bit | 128bit |
Memory clock speed | 4000 MHz | 2000 MHz |
Memory type | GDDR5 | GDDR5 |
Shared memory | 0 | 0 |
Memory bandwidth | 64.0 GB / s | |
Video outputs and ports |
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Display Connectors | No outputs | |
HDCP | ||
HDMI | ||
Maximum VGA resolution | Up to 2048x1536 | |
Technologies |
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3D Vision | ||
3D Vision / 3DTV Play | ||
Adaptive VSync | ||
CUDA | ||
DirectX 11 | DirectX 11 | |
FXAA | ||
SLI | ||
TXAA |