NVIDIA GeForce GT 645M vs ATI Mobility Radeon HD 5870
Comparative analysis of NVIDIA GeForce GT 645M and ATI Mobility Radeon HD 5870 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) 8 month(s) later
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
- Around 56% lower typical power consumption: 32 Watt vs 50 Watt
- 2x more maximum memory size: 2 GB vs 1 GB
- Around 4% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 8.493 vs 8.17
- 2.2x better performance in GFXBench 4.0 - Manhattan (Frames): 3670 vs 1679
- Around 9% better performance in GFXBench 4.0 - T-Rex (Frames): 3341 vs 3077
- 2.2x better performance in GFXBench 4.0 - Manhattan (Fps): 3670 vs 1679
- Around 9% better performance in GFXBench 4.0 - T-Rex (Fps): 3341 vs 3077
Specifications (specs) | |
Launch date | 1 October 2012 vs 7 January 2010 |
Manufacturing process technology | 28 nm vs 40 nm |
Thermal Design Power (TDP) | 32 Watt vs 50 Watt |
Maximum memory size | 2 GB vs 1 GB |
Benchmarks | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 8.493 vs 8.17 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.863 vs 0.86 |
GFXBench 4.0 - Manhattan (Frames) | 3670 vs 1679 |
GFXBench 4.0 - T-Rex (Frames) | 3341 vs 3077 |
GFXBench 4.0 - Manhattan (Fps) | 3670 vs 1679 |
GFXBench 4.0 - T-Rex (Fps) | 3341 vs 3077 |
Reasons to consider the ATI Mobility Radeon HD 5870
- Around 23% higher texture fill rate: 28 GTexel / s vs 22.7 billion / sec
- 2.1x more pipelines: 800 vs 384
- 2.1x better floating-point performance: 1,120.0 gflops vs 544.5 gflops
- 2.2x more memory clock speed: 4000 MHz vs 1800 MHz
- Around 16% better performance in PassMark - G3D Mark: 1085 vs 932
- Around 36% better performance in PassMark - G2D Mark: 219 vs 161
- 2.1x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 585.971 vs 285.42
- Around 17% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 20.108 vs 17.242
- 5.2x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 98.606 vs 19.116
- Around 8% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2070 vs 1913
- Around 8% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2070 vs 1913
Specifications (specs) | |
Texture fill rate | 28 GTexel / s vs 22.7 billion / sec |
Pipelines | 800 vs 384 |
Floating-point performance | 1,120.0 gflops vs 544.5 gflops |
Memory clock speed | 4000 MHz vs 1800 MHz |
Benchmarks | |
PassMark - G3D Mark | 1085 vs 932 |
PassMark - G2D Mark | 219 vs 161 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 585.971 vs 285.42 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 20.108 vs 17.242 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 98.606 vs 19.116 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2070 vs 1913 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2070 vs 1913 |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 645M
GPU 2: ATI Mobility Radeon HD 5870
PassMark - G3D Mark |
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PassMark - G2D Mark |
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CompuBench 1.5 Desktop - Face Detection (mPixels/s) |
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CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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CompuBench 1.5 Desktop - T-Rex (Frames/s) |
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CompuBench 1.5 Desktop - Video Composition (Frames/s) |
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CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) |
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GFXBench 4.0 - Car Chase Offscreen (Frames) |
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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 - Car Chase Offscreen (Fps) |
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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 5870 |
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PassMark - G3D Mark | 932 | 1085 |
PassMark - G2D Mark | 161 | 219 |
Geekbench - OpenCL | 2659 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 8.493 | 8.17 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 285.42 | 585.971 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.863 | 0.86 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 17.242 | 20.108 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 19.116 | 98.606 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1913 | 2070 |
GFXBench 4.0 - Manhattan (Frames) | 3670 | 1679 |
GFXBench 4.0 - T-Rex (Frames) | 3341 | 3077 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 1913 | 2070 |
GFXBench 4.0 - Manhattan (Fps) | 3670 | 1679 |
GFXBench 4.0 - T-Rex (Fps) | 3341 | 3077 |
Compare specifications (specs)
NVIDIA GeForce GT 645M | ATI Mobility Radeon HD 5870 | |
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Essentials |
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Architecture | Kepler | TeraScale 2 |
Code name | GK107 | Broadway |
Launch date | 1 October 2012 | 7 January 2010 |
Place in performance rating | 1214 | 1217 |
Type | Laptop | Laptop |
Technical info |
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CUDA cores | 384 | |
Floating-point performance | 544.5 gflops | 1,120.0 gflops |
Manufacturing process technology | 28 nm | 40 nm |
Pipelines | 384 | 800 |
Texture fill rate | 22.7 billion / sec | 28 GTexel / s |
Thermal Design Power (TDP) | 32 Watt | 50 Watt |
Transistor count | 1,270 million | 1,040 million |
Core clock speed | 700 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 | MXM-B (3.0) |
Laptop size | medium sized | large |
API support |
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DirectX | 12 API | 11.2 (11_0) |
OpenCL | 1.1 | |
OpenGL | 4.5 | 4.4 |
Memory |
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Maximum RAM amount | 2 GB | 1 GB |
Memory bus width | 128bit | 128 Bit |
Memory clock speed | 1800 MHz | 4000 MHz |
Memory type | DDR3\GDDR5 | DDR3, GDDR3, GDDR5 |
Shared memory | 0 | 0 |
Memory bandwidth | 64.0 GB / s | |
Technologies |
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3D Blu-Ray | ||
3D Vision | ||
CUDA | ||
DirectCompute | ||
DirectX 11 | DirectX 11 | |
Optimus | ||
HDMI 1.3a |