NVIDIA GeForce 940M vs NVIDIA GeForce GT 645M

Comparative analysis of NVIDIA GeForce 940M 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, 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 940M

• Videocard is newer: launch date 2 year(s) 5 month(s) later
• Around 24% higher texture fill rate: 28.22 GTexel / s vs 22.7 billion / sec
• Around 66% better floating-point performance: 903.2 gflops vs 544.5 gflops
• Around 20% better performance in PassMark - G3D Mark: 1127 vs 936
• 2.2x better performance in Geekbench - OpenCL: 5982 vs 2683
• 3.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 25.98 vs 8.493
• Around 51% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.307 vs 0.863
• Around 27% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 21.837 vs 17.242
• 5.3x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 101.399 vs 19.116
• Around 11% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2132 vs 1913
• Around 11% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2132 vs 1913

Reasons to consider the NVIDIA GeForce GT 645M

• Around 3% lower typical power consumption: 32 Watt vs 33 Watt
• Around 6% better performance in PassMark - G2D Mark: 164 vs 154
• Around 69% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 285.42 vs 168.449
• Around 20% better performance in GFXBench 4.0 - Manhattan (Frames): 3670 vs 3065
• Around 20% better performance in GFXBench 4.0 - Manhattan (Fps): 3670 vs 3065

Compare benchmarks

GPU 1: NVIDIA GeForce 940M
GPU 2: NVIDIA GeForce GT 645M

PassMark - G3D Mark	GPU 1 GPU 2	1127 936
PassMark - G2D Mark	GPU 1 GPU 2	154 164
Geekbench - OpenCL	GPU 1 GPU 2	5982 2683
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	GPU 1 GPU 2	25.98 8.493
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	GPU 1 GPU 2	168.449 285.42
CompuBench 1.5 Desktop - T-Rex (Frames/s)	GPU 1 GPU 2	1.307 0.863
CompuBench 1.5 Desktop - Video Composition (Frames/s)	GPU 1 GPU 2	21.837 17.242
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	GPU 1 GPU 2	101.399 19.116
GFXBench 4.0 - Car Chase Offscreen (Frames)	GPU 1 GPU 2	2132 1913
GFXBench 4.0 - Manhattan (Frames)	GPU 1 GPU 2	3065 3670
GFXBench 4.0 - T-Rex (Frames)	GPU 1 GPU 2	3357 3341
GFXBench 4.0 - Car Chase Offscreen (Fps)	GPU 1 GPU 2	2132 1913
GFXBench 4.0 - Manhattan (Fps)	GPU 1 GPU 2	3065 3670
GFXBench 4.0 - T-Rex (Fps)	GPU 1 GPU 2	3357 3341

Compare specifications (specs)