NVIDIA GeForce GT 745A vs NVIDIA GeForce GT 645M

Comparative analysis of NVIDIA GeForce GT 745A 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).

 

Differences

Reasons to consider the NVIDIA GeForce GT 745A

• Videocard is newer: launch date 10 month(s) later
• Around 18% higher texture fill rate: 26.78 GTexel / s vs 22.7 billion / sec
• Around 18% better floating-point performance: 642.8 gflops vs 544.5 gflops
• Around 33% better performance in PassMark - G3D Mark: 1238 vs 932
• Around 89% better performance in PassMark - G2D Mark: 305 vs 161
• 7.4x better performance in Geekbench - OpenCL: 19809 vs 2659
• Around 47% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 12.446 vs 8.493
• Around 2% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.883 vs 0.863
• Around 35% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 25.74 vs 19.116

Reasons to consider the NVIDIA GeForce GT 645M

• Around 3% lower typical power consumption: 32 Watt vs 33 Watt
• Around 3% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 285.42 vs 278.161
• Around 17% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 17.242 vs 14.778

Compare benchmarks

GPU 1: NVIDIA GeForce GT 745A
GPU 2: NVIDIA GeForce GT 645M

PassMark - G3D Mark	GPU 1 GPU 2	1238 932
PassMark - G2D Mark	GPU 1 GPU 2	305 161
Geekbench - OpenCL	GPU 1 GPU 2	19809 2659
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	GPU 1 GPU 2	12.446 8.493
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	GPU 1 GPU 2	278.161 285.42
CompuBench 1.5 Desktop - T-Rex (Frames/s)	GPU 1 GPU 2	0.883 0.863
CompuBench 1.5 Desktop - Video Composition (Frames/s)	GPU 1 GPU 2	14.778 17.242
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	GPU 1 GPU 2	25.74 19.116

Compare specifications (specs)