NVIDIA GeForce 820M vs NVIDIA GeForce 840M

Comparative analysis of NVIDIA GeForce 820M and NVIDIA GeForce 840M 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 820M

• Videocard is newer: launch date 1 year(s) 0 month(s) later
• Around 5% better performance in GFXBench 4.0 - T-Rex (Frames): 3349 vs 3191
• Around 5% better performance in GFXBench 4.0 - T-Rex (Fps): 3349 vs 3191
• Around 68% better performance in 3DMark Fire Strike - Graphics Score: 847 vs 503

Reasons to consider the NVIDIA GeForce 840M

• Around 27% higher core clock speed: 1029 MHz vs 810 MHz
• Around 80% higher texture fill rate: 17.98 GTexel / s vs 10 GTexel / s
• 4x more pipelines: 384 vs 96
• 3.6x better floating-point performance: 863.2 gflops vs 240.0 gflops
• Around 36% lower typical power consumption: 33 Watt vs 45 Watt
• 4x more maximum memory size: 4 GB vs 1 GB
• Around 11% higher memory clock speed: 2002 MHz vs 1802 MHz
• 2.2x better performance in PassMark - G3D Mark: 1096 vs 490
• Around 32% better performance in PassMark - G2D Mark: 151 vs 114
• 2.1x better performance in Geekbench - OpenCL: 5771 vs 2789
• 2.9x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 22.848 vs 7.765
• Around 1% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 162.594 vs 161.305
• Around 80% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.237 vs 0.686
• Around 48% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 21.15 vs 14.257
• 4.2x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 95.545 vs 22.768
• Around 74% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2085 vs 1195
• Around 89% better performance in GFXBench 4.0 - Manhattan (Frames): 2736 vs 1447
• Around 74% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2085 vs 1195
• Around 89% better performance in GFXBench 4.0 - Manhattan (Fps): 2736 vs 1447

Compare benchmarks

GPU 1: NVIDIA GeForce 820M
GPU 2: NVIDIA GeForce 840M

PassMark - G3D Mark	GPU 1 GPU 2	490 1096
PassMark - G2D Mark	GPU 1 GPU 2	114 151
Geekbench - OpenCL	GPU 1 GPU 2	2789 5771
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	GPU 1 GPU 2	7.765 22.848
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	GPU 1 GPU 2	161.305 162.594
CompuBench 1.5 Desktop - T-Rex (Frames/s)	GPU 1 GPU 2	0.686 1.237
CompuBench 1.5 Desktop - Video Composition (Frames/s)	GPU 1 GPU 2	14.257 21.15
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	GPU 1 GPU 2	22.768 95.545
GFXBench 4.0 - Car Chase Offscreen (Frames)	GPU 1 GPU 2	1195 2085
GFXBench 4.0 - Manhattan (Frames)	GPU 1 GPU 2	1447 2736
GFXBench 4.0 - T-Rex (Frames)	GPU 1 GPU 2	3349 3191
GFXBench 4.0 - Car Chase Offscreen (Fps)	GPU 1 GPU 2	1195 2085
GFXBench 4.0 - Manhattan (Fps)	GPU 1 GPU 2	1447 2736
GFXBench 4.0 - T-Rex (Fps)	GPU 1 GPU 2	3349 3191
3DMark Fire Strike - Graphics Score	GPU 1 GPU 2	847 503

Compare specifications (specs)