NVIDIA GeForce 840M vs NVIDIA GeForce GTX 850M
Comparative analysis of NVIDIA GeForce 840M and NVIDIA GeForce GTX 850M 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
- Around 36% lower typical power consumption: 33 Watt vs 45 Watt
- 2x more maximum memory size: 4 GB vs 2 GB
| Thermal Design Power (TDP) | 33 Watt vs 45 Watt |
| Maximum memory size | 4 GB vs 2 GB |
Reasons to consider the NVIDIA GeForce GTX 850M
- 2x more texture fill rate: 36.08 GTexel / s vs 17.98 GTexel / s
- Around 67% higher pipelines: 640 vs 384
- Around 34% better floating-point performance: 1,155 gflops vs 863.2 gflops
- 2.3x better performance in PassMark - G3D Mark: 2521 vs 1096
- Around 49% better performance in PassMark - G2D Mark: 225 vs 151
- Around 70% better performance in Geekbench - OpenCL: 9809 vs 5771
- Around 65% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 37.761 vs 22.848
- 2.4x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 388.248 vs 162.594
- Around 96% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 2.428 vs 1.237
- Around 84% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 38.889 vs 21.15
- Around 58% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 151.016 vs 95.545
- Around 83% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 3817 vs 2085
- Around 35% better performance in GFXBench 4.0 - Manhattan (Frames): 3685 vs 2736
- Around 5% better performance in GFXBench 4.0 - T-Rex (Frames): 3353 vs 3191
- Around 83% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 3817 vs 2085
- Around 35% better performance in GFXBench 4.0 - Manhattan (Fps): 3685 vs 2736
- Around 5% better performance in GFXBench 4.0 - T-Rex (Fps): 3353 vs 3191
- Around 95% better performance in 3DMark Fire Strike - Graphics Score: 979 vs 503
| Specifications (specs) | |
| Texture fill rate | 36.08 GTexel / s vs 17.98 GTexel / s |
| Pipelines | 640 vs 384 |
| Floating-point performance | 1,155 gflops vs 863.2 gflops |
| Benchmarks | |
| PassMark - G3D Mark | 2521 vs 1096 |
| PassMark - G2D Mark | 225 vs 151 |
| Geekbench - OpenCL | 9809 vs 5771 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 37.761 vs 22.848 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 388.248 vs 162.594 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 2.428 vs 1.237 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 38.889 vs 21.15 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 151.016 vs 95.545 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 3817 vs 2085 |
| GFXBench 4.0 - Manhattan (Frames) | 3685 vs 2736 |
| GFXBench 4.0 - T-Rex (Frames) | 3353 vs 3191 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 3817 vs 2085 |
| GFXBench 4.0 - Manhattan (Fps) | 3685 vs 2736 |
| GFXBench 4.0 - T-Rex (Fps) | 3353 vs 3191 |
| 3DMark Fire Strike - Graphics Score | 979 vs 503 |
Compare benchmarks
GPU 1: NVIDIA GeForce 840M
GPU 2: NVIDIA GeForce GTX 850M
| PassMark - G3D Mark |
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| PassMark - G2D Mark |
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| Geekbench - OpenCL |
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| CompuBench 1.5 Desktop - Face Detection (mPixels/s) |
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| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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| CompuBench 1.5 Desktop - T-Rex (Frames/s) |
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| CompuBench 1.5 Desktop - Video Composition (Frames/s) |
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| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) |
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| GFXBench 4.0 - Car Chase Offscreen (Frames) |
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| GFXBench 4.0 - Manhattan (Frames) |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - Car Chase Offscreen (Fps) |
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| GFXBench 4.0 - Manhattan (Fps) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| 3DMark Fire Strike - Graphics Score |
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| Name | NVIDIA GeForce 840M | NVIDIA GeForce GTX 850M |
|---|---|---|
| PassMark - G3D Mark | 1096 | 2521 |
| PassMark - G2D Mark | 151 | 225 |
| Geekbench - OpenCL | 5771 | 9809 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 22.848 | 37.761 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 162.594 | 388.248 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.237 | 2.428 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.15 | 38.889 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 95.545 | 151.016 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2085 | 3817 |
| GFXBench 4.0 - Manhattan (Frames) | 2736 | 3685 |
| GFXBench 4.0 - T-Rex (Frames) | 3191 | 3353 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2085 | 3817 |
| GFXBench 4.0 - Manhattan (Fps) | 2736 | 3685 |
| GFXBench 4.0 - T-Rex (Fps) | 3191 | 3353 |
| 3DMark Fire Strike - Graphics Score | 503 | 979 |
Compare specifications (specs)
| NVIDIA GeForce 840M | NVIDIA GeForce GTX 850M | |
|---|---|---|
Essentials |
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| Architecture | Maxwell | Maxwell |
| Code name | GM108 | GM107 |
| Launch date | 12 March 2014 | 12 March 2014 |
| Place in performance rating | 1235 | 896 |
| Type | Laptop | Laptop |
Technical info |
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| Boost clock speed | 1124 MHz | |
| Core clock speed | 1029 MHz | |
| Floating-point performance | 863.2 gflops | 1,155 gflops |
| Manufacturing process technology | 28 nm | 28 nm |
| Pipelines | 384 | 640 |
| Texture fill rate | 17.98 GTexel / s | 36.08 GTexel / s |
| Thermal Design Power (TDP) | 33 Watt | 45 Watt |
| CUDA cores | 640 | |
| Transistor count | 1,870 million | |
Video outputs and ports |
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| Display Connectors | No outputs | No outputs |
| 7.1 channel HD audio on HDMI | ||
| DisplayPort Multimode (DP++) support | Up to 3840x2160 | |
| eDP 1.2 signal support | Up to 3840x2160 | |
| HDCP content protection | ||
| HDMI | ||
| LVDS signal support | Up to 1920x1200 | |
| TrueHD and DTS-HD audio bitstreaming | ||
| VGA аnalog display support | Up to 2048x1536 | |
Compatibility, dimensions and requirements |
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| Bus support | PCI Express 2.0, PCI Express 3.0 | PCI Express 2.0, PCI Express 3.0 |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Laptop size | medium sized | medium sized |
API support |
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| DirectX | 12.0 (11_0) | 12.0 (11_0) |
| OpenGL | 4.5 | 4.5 |
| OpenCL | 1.1 | |
Memory |
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| Maximum RAM amount | 4 GB | 2 GB |
| Memory bandwidth | 16.02 GB / s | 80.0 GB / s |
| Memory bus width | 64 Bit | 128 Bit |
| Memory clock speed | 2002 MHz | |
| Memory type | DDR3 | DDR3, GDDR5 |
| Shared memory | 0 | 0 |
| Standard memory configuration | DDR3 or GDDR5 | |
Technologies |
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| CUDA | ||
| GameWorks | ||
| GeForce Experience | ||
| GPU Boost | ||
| Optimus | ||
| 3D Blu-Ray | ||
| Adaptive VSync | ||
| Ansel | ||
| BatteryBoost | ||
| Direct Compute | ||
| FXAA | ||
| GeForce ShadowPlay | ||
| H.264, VC1, MPEG2 1080p video decoder | ||
| SLI | ||
| TXAA | ||
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