NVIDIA GeForce 840M vs NVIDIA GeForce GTX 660M

Comparative analysis of NVIDIA GeForce 840M and NVIDIA GeForce GTX 660M 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 840M

• Videocard is newer: launch date 1 year(s) 11 month(s) later
• Around 23% higher core clock speed: 1029 MHz vs 835 MHz
• Around 18% higher boost clock speed: 1124 MHz vs 950 MHz
• Around 18% better floating-point performance: 863.2 gflops vs 729.6 gflops
• Around 52% lower typical power consumption: 33 Watt vs 50 Watt
• 4x more maximum memory size: 4 GB vs 1 GB
• Around 41% better performance in Geekbench - OpenCL: 5620 vs 3986
• 2.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 22.848 vs 10.837
• Around 13% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.237 vs 1.098
• 2.8x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 95.545 vs 33.754
• Around 91% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2085 vs 1094
• Around 21% better performance in GFXBench 4.0 - Manhattan (Frames): 2736 vs 2253
• Around 91% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2085 vs 1094
• Around 21% better performance in GFXBench 4.0 - Manhattan (Fps): 2736 vs 2253
• Around 6% better performance in 3DMark Fire Strike - Graphics Score: 503 vs 475

Reasons to consider the NVIDIA GeForce GTX 660M

• Around 69% higher texture fill rate: 30.4 billion / sec vs 17.98 GTexel / s
• Around 32% better performance in PassMark - G3D Mark: 1431 vs 1087
• Around 79% better performance in PassMark - G2D Mark: 266 vs 149
• 2.5x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 405.086 vs 162.594
• Around 3% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 21.798 vs 21.15

Compare benchmarks

GPU 1: NVIDIA GeForce 840M
GPU 2: NVIDIA GeForce GTX 660M

PassMark - G3D Mark	GPU 1 GPU 2	1087 1431
PassMark - G2D Mark	GPU 1 GPU 2	149 266
Geekbench - OpenCL	GPU 1 GPU 2	5620 3986
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	GPU 1 GPU 2	22.848 10.837
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	GPU 1 GPU 2	162.594 405.086
CompuBench 1.5 Desktop - T-Rex (Frames/s)	GPU 1 GPU 2	1.237 1.098
CompuBench 1.5 Desktop - Video Composition (Frames/s)	GPU 1 GPU 2	21.15 21.798
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	GPU 1 GPU 2	95.545 33.754
GFXBench 4.0 - Car Chase Offscreen (Frames)	GPU 1 GPU 2	2085 1094
GFXBench 4.0 - Manhattan (Frames)	GPU 1 GPU 2	2736 2253
GFXBench 4.0 - T-Rex (Frames)	GPU 1 GPU 2	3191 3176
GFXBench 4.0 - Car Chase Offscreen (Fps)	GPU 1 GPU 2	2085 1094
GFXBench 4.0 - Manhattan (Fps)	GPU 1 GPU 2	2736 2253
GFXBench 4.0 - T-Rex (Fps)	GPU 1 GPU 2	3191 3176
3DMark Fire Strike - Graphics Score	GPU 1 GPU 2	503 475

Compare specifications (specs)