NVIDIA GeForce 840M vs NVIDIA GeForce GTX 660

Comparative analysis of NVIDIA GeForce 840M and NVIDIA GeForce GTX 660 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) 6 month(s) later
• Around 5% higher core clock speed: 1029 MHz vs 980 MHz
• Around 9% higher boost clock speed: 1124 MHz vs 1033 MHz
• 4.2x lower typical power consumption: 33 Watt vs 140 Watt
• 2x more maximum memory size: 4 GB vs 2 GB
• 333.7x more memory clock speed: 2002 MHz vs 6.0 GB/s
• Around 52% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 95.545 vs 62.69

Reasons to consider the NVIDIA GeForce GTX 660

• 4.4x more texture fill rate: 78.4 billion / sec vs 17.98 GTexel / s
• 2.5x more pipelines: 960 vs 384
• 2.3x better floating-point performance: 1,981 gflops vs 863.2 gflops
• 3.7x better performance in PassMark - G3D Mark: 4017 vs 1096
• 3.2x better performance in PassMark - G2D Mark: 487 vs 151
• Around 97% better performance in Geekbench - OpenCL: 11364 vs 5771
• Around 34% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 30.505 vs 22.848
• 4.3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 705.293 vs 162.594
• 2.5x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 3.085 vs 1.237
• Around 67% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 35.416 vs 21.15
• Around 72% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 3581 vs 2085
• Around 35% better performance in GFXBench 4.0 - Manhattan (Frames): 3690 vs 2736
• Around 5% better performance in GFXBench 4.0 - T-Rex (Frames): 3365 vs 3191
• Around 72% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 3581 vs 2085
• Around 35% better performance in GFXBench 4.0 - Manhattan (Fps): 3690 vs 2736
• Around 5% better performance in GFXBench 4.0 - T-Rex (Fps): 3365 vs 3191
• 2.6x better performance in 3DMark Fire Strike - Graphics Score: 1307 vs 503

Compare benchmarks

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

PassMark - G3D Mark	GPU 1 GPU 2	1096 4017
PassMark - G2D Mark	GPU 1 GPU 2	151 487
Geekbench - OpenCL	GPU 1 GPU 2	5771 11364
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	GPU 1 GPU 2	22.848 30.505
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	GPU 1 GPU 2	162.594 705.293
CompuBench 1.5 Desktop - T-Rex (Frames/s)	GPU 1 GPU 2	1.237 3.085
CompuBench 1.5 Desktop - Video Composition (Frames/s)	GPU 1 GPU 2	21.15 35.416
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	GPU 1 GPU 2	95.545 62.69
GFXBench 4.0 - Car Chase Offscreen (Frames)	GPU 1 GPU 2	2085 3581
GFXBench 4.0 - Manhattan (Frames)	GPU 1 GPU 2	2736 3690
GFXBench 4.0 - T-Rex (Frames)	GPU 1 GPU 2	3191 3365
GFXBench 4.0 - Car Chase Offscreen (Fps)	GPU 1 GPU 2	2085 3581
GFXBench 4.0 - Manhattan (Fps)	GPU 1 GPU 2	2736 3690
GFXBench 4.0 - T-Rex (Fps)	GPU 1 GPU 2	3191 3365
3DMark Fire Strike - Graphics Score	GPU 1 GPU 2	503 1307

Compare specifications (specs)