NVIDIA GeForce GT 640 vs NVIDIA GeForce GTS 450 Rev. 2

Comparative analysis of NVIDIA GeForce GT 640 and NVIDIA GeForce GTS 450 Rev. 2 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. 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 1 year(s) 2 month(s) later
• Around 15% higher core clock speed: 902 MHz vs 783 MHz
• Around 15% higher texture fill rate: 28.86 GTexel / s vs 25.06 GTexel / s
• 2x more pipelines: 384 vs 192
• Around 15% better floating-point performance: 692.7 gflops vs 601.3 gflops
• A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
• Around 63% lower typical power consumption: 65 Watt vs 106 Watt
• 2x more maximum memory size: 2 GB vs 1 GB

Reasons to consider the NVIDIA GeForce GTS 450 Rev. 2

• 2x more memory clock speed: 3608 MHz vs 1782 MHz
• Around 10% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 12.611 vs 11.448
• 2x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 422.002 vs 206.777
• Around 58% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.255 vs 0.792
• Around 72% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 25.132 vs 14.637
• 2.4x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 49.9 vs 20.86
• Around 1% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2166 vs 2134
• Around 41% better performance in GFXBench 4.0 - Manhattan (Frames): 3360 vs 2375
• Around 1% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2166 vs 2134
• Around 41% better performance in GFXBench 4.0 - Manhattan (Fps): 3360 vs 2375

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640
GPU 2: NVIDIA GeForce GTS 450 Rev. 2

CompuBench 1.5 Desktop - Face Detection (mPixels/s)	GPU 1 GPU 2	11.448 12.611
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	GPU 1 GPU 2	206.777 422.002
CompuBench 1.5 Desktop - T-Rex (Frames/s)	GPU 1 GPU 2	0.792 1.255
CompuBench 1.5 Desktop - Video Composition (Frames/s)	GPU 1 GPU 2	14.637 25.132
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	GPU 1 GPU 2	20.86 49.9
GFXBench 4.0 - Car Chase Offscreen (Frames)	GPU 1 GPU 2	2134 2166
GFXBench 4.0 - Manhattan (Frames)	GPU 1 GPU 2	2375 3360
GFXBench 4.0 - T-Rex (Frames)	GPU 1 GPU 2	3328 3313
GFXBench 4.0 - Car Chase Offscreen (Fps)	GPU 1 GPU 2	2134 2166
GFXBench 4.0 - Manhattan (Fps)	GPU 1 GPU 2	2375 3360
GFXBench 4.0 - T-Rex (Fps)	GPU 1 GPU 2	3328 3313

Compare specifications (specs)