NVIDIA GeForce 945M vs NVIDIA GeForce GTX 645 OEM

Comparative analysis of NVIDIA GeForce 945M and NVIDIA GeForce GTX 645 OEM 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 945M

• Videocard is newer: launch date 2 year(s) 6 month(s) later
• Around 25% higher core clock speed: 1029 MHz vs 824 MHz
• 2x more maximum memory size: 2 GB vs 1 GB
• Around 13% better performance in PassMark - G3D Mark: 2109 vs 1871
• Around 55% better performance in Geekbench - OpenCL: 8099 vs 5223
• 2.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 28.633 vs 13.806
• Around 30% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.988 vs 1.535
• Around 13% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 31.027 vs 27.524
• 2.8x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 107.094 vs 38.664
• 2.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2961 vs 1435
• Around 4% better performance in GFXBench 4.0 - Manhattan (Frames): 3683 vs 3531
• Around 1% better performance in GFXBench 4.0 - T-Rex (Frames): 3343 vs 3300
• 2.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2961 vs 1435
• Around 4% better performance in GFXBench 4.0 - Manhattan (Fps): 3683 vs 3531
• Around 1% better performance in GFXBench 4.0 - T-Rex (Fps): 3343 vs 3300

Reasons to consider the NVIDIA GeForce GTX 645 OEM

• Around 33% higher texture fill rate: 39.55 GTexel / s vs 29.81 GTexel / s
• Around 13% higher pipelines: 576 vs 512
• Around 15% lower typical power consumption: 65 Watt vs 75 Watt
• 2.2x more memory clock speed: 4000 MHz vs 1800 MHz
• Around 79% better performance in PassMark - G2D Mark: 429 vs 240
• Around 44% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 546.51 vs 380.461

Compare benchmarks

GPU 1: NVIDIA GeForce 945M
GPU 2: NVIDIA GeForce GTX 645 OEM

PassMark - G3D Mark	GPU 1 GPU 2	2109 1871
PassMark - G2D Mark	GPU 1 GPU 2	240 429
Geekbench - OpenCL	GPU 1 GPU 2	8099 5223
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	GPU 1 GPU 2	28.633 13.806
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	GPU 1 GPU 2	380.461 546.51
CompuBench 1.5 Desktop - T-Rex (Frames/s)	GPU 1 GPU 2	1.988 1.535
CompuBench 1.5 Desktop - Video Composition (Frames/s)	GPU 1 GPU 2	31.027 27.524
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	GPU 1 GPU 2	107.094 38.664
GFXBench 4.0 - Car Chase Offscreen (Frames)	GPU 1 GPU 2	2961 1435
GFXBench 4.0 - Manhattan (Frames)	GPU 1 GPU 2	3683 3531
GFXBench 4.0 - T-Rex (Frames)	GPU 1 GPU 2	3343 3300
GFXBench 4.0 - Car Chase Offscreen (Fps)	GPU 1 GPU 2	2961 1435
GFXBench 4.0 - Manhattan (Fps)	GPU 1 GPU 2	3683 3531
GFXBench 4.0 - T-Rex (Fps)	GPU 1 GPU 2	3343 3300

Compare specifications (specs)