NVIDIA GeForce GT 625M vs NVIDIA GeForce GT 645M
Comparative analysis of NVIDIA GeForce GT 625M and NVIDIA GeForce GT 645M videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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).
Differences
Reasons to consider the NVIDIA GeForce GT 625M
- 2.1x lower typical power consumption: 15 Watt vs 32 Watt
Thermal Design Power (TDP) | 15 Watt vs 32 Watt |
Reasons to consider the NVIDIA GeForce GT 645M
- 4x more pipelines: 384 vs 96
- 2.3x better floating-point performance: 544.5 gflops vs 240.0 gflops
- Around 95% better performance in PassMark - G3D Mark: 935 vs 479
- Around 13% better performance in PassMark - G2D Mark: 160 vs 141
- Around 20% better performance in Geekbench - OpenCL: 2673 vs 2229
- Around 91% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1913 vs 999
- Around 91% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1913 vs 999
- Around 57% better performance in GFXBench 4.0 - Manhattan (Frames): 3670 vs 2333
- Around 57% better performance in GFXBench 4.0 - Manhattan (Fps): 3670 vs 2333
- Around 3% better performance in GFXBench 4.0 - T-Rex (Frames): 3341 vs 3257
- Around 3% better performance in GFXBench 4.0 - T-Rex (Fps): 3341 vs 3257
Specifications (specs) | |
Pipelines | 384 vs 96 |
Floating-point performance | 544.5 gflops vs 240.0 gflops |
Benchmarks | |
PassMark - G3D Mark | 935 vs 479 |
PassMark - G2D Mark | 160 vs 141 |
Geekbench - OpenCL | 2673 vs 2229 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1913 vs 999 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 1913 vs 999 |
GFXBench 4.0 - Manhattan (Frames) | 3670 vs 2333 |
GFXBench 4.0 - Manhattan (Fps) | 3670 vs 2333 |
GFXBench 4.0 - T-Rex (Frames) | 3341 vs 3257 |
GFXBench 4.0 - T-Rex (Fps) | 3341 vs 3257 |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 625M
GPU 2: NVIDIA GeForce GT 645M
PassMark - G3D Mark |
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PassMark - G2D Mark |
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Geekbench - OpenCL |
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GFXBench 4.0 - Car Chase Offscreen (Frames) |
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GFXBench 4.0 - Car Chase Offscreen (Fps) |
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GFXBench 4.0 - Manhattan (Frames) |
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GFXBench 4.0 - Manhattan (Fps) |
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GFXBench 4.0 - T-Rex (Frames) |
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GFXBench 4.0 - T-Rex (Fps) |
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Name | NVIDIA GeForce GT 625M | NVIDIA GeForce GT 645M |
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PassMark - G3D Mark | 479 | 935 |
PassMark - G2D Mark | 141 | 160 |
Geekbench - OpenCL | 2229 | 2673 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 999 | 1913 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 999 | 1913 |
GFXBench 4.0 - Manhattan (Frames) | 2333 | 3670 |
GFXBench 4.0 - Manhattan (Fps) | 2333 | 3670 |
GFXBench 4.0 - T-Rex (Frames) | 3257 | 3341 |
GFXBench 4.0 - T-Rex (Fps) | 3257 | 3341 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 8.493 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 285.42 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.863 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 17.242 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 19.116 |
Compare specifications (specs)
NVIDIA GeForce GT 625M | NVIDIA GeForce GT 645M | |
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Essentials |
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Architecture | Fermi 2.0 | Kepler |
Code name | GF117 | GK107 |
Launch date | 1 October 2012 | 1 October 2012 |
Place in performance rating | 1212 | 1213 |
Type | Laptop | Laptop |
Technical info |
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CUDA cores | 96 | 384 |
Floating-point performance | 240.0 gflops | 544.5 gflops |
Manufacturing process technology | 28 nm | 28 nm |
Pipelines | 96 | 384 |
Thermal Design Power (TDP) | 15 Watt | 32 Watt |
Transistor count | 585 million | 1,270 million |
Texture fill rate | 22.7 billion / sec | |
Video outputs and ports |
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Display Connectors | No outputs | No outputs |
HDCP | ||
HDMI | ||
Maximum VGA resolution | Up to 2048x1536 | Up to 2048x1536 |
Compatibility, dimensions and requirements |
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Bus support | PCI Express 2.0 | PCI Express 2.0, PCI Express 3.0 |
Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
Laptop size | medium sized | medium sized |
API support |
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DirectX | 12 API | 12 API |
OpenCL | 1.1 | 1.1 |
OpenGL | 4.5 | 4.5 |
Memory |
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Maximum RAM amount | 2 GB | 2 GB |
Memory bus width | 64 Bit | 128bit |
Memory clock speed | 1800 MHz | 1800 MHz |
Memory type | DDR3 | DDR3\GDDR5 |
Shared memory | 0 | 0 |
Technologies |
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3D Blu-Ray | ||
CUDA | ||
DirectCompute | ||
DirectX 11 | DirectX 11 | DirectX 11 |
Optimus | ||
3D Vision |