NVIDIA GeForce GT 645M vs ATI Mobility Radeon HD 4250 IGP
Comparative analysis of NVIDIA GeForce GT 645M and ATI Mobility Radeon HD 4250 IGP 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, 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).
Differences
Reasons to consider the NVIDIA GeForce GT 645M
- Videocard is newer: launch date 2 year(s) 5 month(s) later
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
- 9.5x better performance in PassMark - G3D Mark: 935 vs 98
- 4.5x better performance in GFXBench 4.0 - Manhattan (Frames): 3670 vs 813
- 4.8x better performance in GFXBench 4.0 - T-Rex (Frames): 3341 vs 699
- 4.5x better performance in GFXBench 4.0 - Manhattan (Fps): 3670 vs 813
- 4.8x better performance in GFXBench 4.0 - T-Rex (Fps): 3341 vs 699
Specifications (specs) | |
Launch date | 1 October 2012 vs 1 May 2010 |
Manufacturing process technology | 28 nm vs 55 nm |
Benchmarks | |
PassMark - G3D Mark | 935 vs 98 |
GFXBench 4.0 - Manhattan (Frames) | 3670 vs 813 |
GFXBench 4.0 - T-Rex (Frames) | 3341 vs 699 |
GFXBench 4.0 - Manhattan (Fps) | 3670 vs 813 |
GFXBench 4.0 - T-Rex (Fps) | 3341 vs 699 |
Reasons to consider the ATI Mobility Radeon HD 4250 IGP
- Around 75% better performance in PassMark - G2D Mark: 280 vs 160
Benchmarks | |
PassMark - G2D Mark | 280 vs 160 |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 645M
GPU 2: ATI Mobility Radeon HD 4250 IGP
PassMark - G3D Mark |
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PassMark - G2D Mark |
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GFXBench 4.0 - Manhattan (Frames) |
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GFXBench 4.0 - T-Rex (Frames) |
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GFXBench 4.0 - Manhattan (Fps) |
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GFXBench 4.0 - T-Rex (Fps) |
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Name | NVIDIA GeForce GT 645M | ATI Mobility Radeon HD 4250 IGP |
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PassMark - G3D Mark | 935 | 98 |
PassMark - G2D Mark | 160 | 280 |
Geekbench - OpenCL | 2673 | |
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 | |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1913 | |
GFXBench 4.0 - Manhattan (Frames) | 3670 | 813 |
GFXBench 4.0 - T-Rex (Frames) | 3341 | 699 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 1913 | |
GFXBench 4.0 - Manhattan (Fps) | 3670 | 813 |
GFXBench 4.0 - T-Rex (Fps) | 3341 | 699 |
Compare specifications (specs)
NVIDIA GeForce GT 645M | ATI Mobility Radeon HD 4250 IGP | |
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Essentials |
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Architecture | Kepler | TeraScale |
Code name | GK107 | RS880 |
Launch date | 1 October 2012 | 1 May 2010 |
Place in performance rating | 1214 | 1216 |
Type | Laptop | Desktop |
Technical info |
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CUDA cores | 384 | |
Floating-point performance | 544.5 gflops | |
Manufacturing process technology | 28 nm | 55 nm |
Pipelines | 384 | |
Texture fill rate | 22.7 billion / sec | |
Thermal Design Power (TDP) | 32 Watt | |
Transistor count | 1,270 million | 181 million |
Core clock speed | 500 MHz | |
Video outputs and ports |
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Display Connectors | No outputs | No outputs |
HDCP | ||
HDMI | ||
Maximum VGA resolution | Up to 2048x1536 | |
Compatibility, dimensions and requirements |
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Bus support | PCI Express 2.0, PCI Express 3.0 | |
Interface | PCIe 3.0 x16 | PCI |
Laptop size | medium sized | |
Supplementary power connectors | None | |
API support |
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DirectX | 12 API | 10.1 |
OpenCL | 1.1 | |
OpenGL | 4.5 | 3.3 |
Memory |
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Maximum RAM amount | 2 GB | |
Memory bus width | 128bit | |
Memory clock speed | 1800 MHz | |
Memory type | DDR3\GDDR5 | |
Shared memory | 0 | |
Technologies |
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3D Blu-Ray | ||
3D Vision | ||
CUDA | ||
DirectCompute | ||
DirectX 11 | DirectX 11 | |
Optimus |