NVIDIA GeForce GT 640 vs ATI Mobility Radeon HD 5870

Comparative analysis of NVIDIA GeForce GT 640 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), 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the NVIDIA GeForce GT 640

• Videocard is newer: launch date 2 year(s) 4 month(s) later
• Around 29% higher core clock speed: 902 MHz vs 700 MHz
• Around 3% higher texture fill rate: 28.86 GTexel / s vs 28 GTexel / s
• A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
• 2x more maximum memory size: 2 GB vs 1 GB
• Around 8% better performance in PassMark - G3D Mark: 1175 vs 1092
• Around 32% better performance in PassMark - G2D Mark: 295 vs 224
• Around 40% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 11.448 vs 8.17
• Around 3% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2134 vs 2070
• Around 41% better performance in GFXBench 4.0 - Manhattan (Frames): 2375 vs 1679
• Around 8% better performance in GFXBench 4.0 - T-Rex (Frames): 3328 vs 3077
• Around 3% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2134 vs 2070
• Around 41% better performance in GFXBench 4.0 - Manhattan (Fps): 2375 vs 1679
• Around 8% better performance in GFXBench 4.0 - T-Rex (Fps): 3328 vs 3077

Reasons to consider the ATI Mobility Radeon HD 5870

• 2.1x more pipelines: 800 vs 384
• Around 62% better floating-point performance: 1,120.0 gflops vs 692.7 gflops
• Around 30% lower typical power consumption: 50 Watt vs 65 Watt
• 2.2x more memory clock speed: 4000 MHz vs 1782 MHz
• 2.8x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 585.971 vs 206.777
• Around 9% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.86 vs 0.792
• Around 37% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 20.108 vs 14.637
• 4.7x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 98.606 vs 20.86

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640
GPU 2: ATI Mobility Radeon HD 5870

PassMark - G3D Mark	GPU 1 GPU 2	1175 1092
PassMark - G2D Mark	GPU 1 GPU 2	295 224
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	GPU 1 GPU 2	11.448 8.17
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	GPU 1 GPU 2	206.777 585.971
CompuBench 1.5 Desktop - T-Rex (Frames/s)	GPU 1 GPU 2	0.792 0.86
CompuBench 1.5 Desktop - Video Composition (Frames/s)	GPU 1 GPU 2	14.637 20.108
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	GPU 1 GPU 2	20.86 98.606
GFXBench 4.0 - Car Chase Offscreen (Frames)	GPU 1 GPU 2	2134 2070
GFXBench 4.0 - Manhattan (Frames)	GPU 1 GPU 2	2375 1679
GFXBench 4.0 - T-Rex (Frames)	GPU 1 GPU 2	3328 3077
GFXBench 4.0 - Car Chase Offscreen (Fps)	GPU 1 GPU 2	2134 2070
GFXBench 4.0 - Manhattan (Fps)	GPU 1 GPU 2	2375 1679
GFXBench 4.0 - T-Rex (Fps)	GPU 1 GPU 2	3328 3077

Compare specifications (specs)