NVIDIA GeForce 830M vs NVIDIA GeForce GT 645M

Comparative analysis of NVIDIA GeForce 830M 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 830M

• Videocard is newer: launch date 1 year(s) 5 month(s) later
• Around 8% better floating-point performance: 588.8 gflops vs 544.5 gflops
• Around 8% better performance in PassMark - G3D Mark: 1008 vs 937
• Around 58% better performance in Geekbench - OpenCL: 4232 vs 2683
• 2x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 16.955 vs 8.493
• Around 17% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.013 vs 0.863
• Around 3% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 17.81 vs 17.242
• 3.5x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 67.443 vs 19.116

Reasons to consider the NVIDIA GeForce GT 645M

• Around 23% higher texture fill rate: 22.7 billion / sec vs 18.4 GTexel / s
• Around 50% higher pipelines: 384 vs 256
• Around 3% lower typical power consumption: 32 Watt vs 33 Watt
• Around 18% better performance in PassMark - G2D Mark: 162 vs 137
• Around 82% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 285.42 vs 156.544
• Around 11% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1913 vs 1729
• Around 2% better performance in GFXBench 4.0 - Manhattan (Frames): 3670 vs 3589
• Around 11% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1913 vs 1729
• Around 2% better performance in GFXBench 4.0 - Manhattan (Fps): 3670 vs 3589

Compare benchmarks

GPU 1: NVIDIA GeForce 830M
GPU 2: NVIDIA GeForce GT 645M

PassMark - G3D Mark	GPU 1 GPU 2	1008 937
PassMark - G2D Mark	GPU 1 GPU 2	137 162
Geekbench - OpenCL	GPU 1 GPU 2	4232 2683
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	GPU 1 GPU 2	16.955 8.493
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	GPU 1 GPU 2	156.544 285.42
CompuBench 1.5 Desktop - T-Rex (Frames/s)	GPU 1 GPU 2	1.013 0.863
CompuBench 1.5 Desktop - Video Composition (Frames/s)	GPU 1 GPU 2	17.81 17.242
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	GPU 1 GPU 2	67.443 19.116
GFXBench 4.0 - Car Chase Offscreen (Frames)	GPU 1 GPU 2	1729 1913
GFXBench 4.0 - Manhattan (Frames)	GPU 1 GPU 2	3589 3670
GFXBench 4.0 - T-Rex (Frames)	GPU 1 GPU 2	3352 3341
GFXBench 4.0 - Car Chase Offscreen (Fps)	GPU 1 GPU 2	1729 1913
GFXBench 4.0 - Manhattan (Fps)	GPU 1 GPU 2	3589 3670
GFXBench 4.0 - T-Rex (Fps)	GPU 1 GPU 2	3352 3341

Compare specifications (specs)