NVIDIA GeForce 840M vs NVIDIA GeForce 705M
Comparative analysis of NVIDIA GeForce 840M and NVIDIA GeForce 705M 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 5 month(s) later
- Around 39% higher core clock speed: 1029 MHz vs 738 MHz
- 3x more texture fill rate: 17.98 GTexel / s vs 5.904 GTexel / s
- 8x more pipelines: 384 vs 48
- 6.1x better floating-point performance: 863.2 gflops vs 141.7 gflops
- 4x more maximum memory size: 4 GB vs 1 GB
- Around 11% higher memory clock speed: 2002 MHz vs 1800 MHz
- 2.4x better performance in PassMark - G3D Mark: 1096 vs 456
- 5x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 22.848 vs 4.569
- Around 41% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 162.594 vs 115.15
- 3.3x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.237 vs 0.373
- 2.7x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 21.15 vs 7.904
- 8.6x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 95.545 vs 11.055
- 2.4x better performance in GFXBench 4.0 - Manhattan (Frames): 2736 vs 1131
- Around 96% better performance in GFXBench 4.0 - T-Rex (Frames): 3191 vs 1629
- 2.4x better performance in GFXBench 4.0 - Manhattan (Fps): 2736 vs 1131
- Around 96% better performance in GFXBench 4.0 - T-Rex (Fps): 3191 vs 1629
Specifications (specs) | |
Launch date | 12 March 2014 vs 27 September 2013 |
Core clock speed | 1029 MHz vs 738 MHz |
Texture fill rate | 17.98 GTexel / s vs 5.904 GTexel / s |
Pipelines | 384 vs 48 |
Floating-point performance | 863.2 gflops vs 141.7 gflops |
Maximum memory size | 4 GB vs 1 GB |
Memory clock speed | 2002 MHz vs 1800 MHz |
Benchmarks | |
PassMark - G3D Mark | 1096 vs 456 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 22.848 vs 4.569 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 162.594 vs 115.15 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.237 vs 0.373 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.15 vs 7.904 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 95.545 vs 11.055 |
GFXBench 4.0 - Manhattan (Frames) | 2736 vs 1131 |
GFXBench 4.0 - T-Rex (Frames) | 3191 vs 1629 |
GFXBench 4.0 - Manhattan (Fps) | 2736 vs 1131 |
GFXBench 4.0 - T-Rex (Fps) | 3191 vs 1629 |
Reasons to consider the NVIDIA GeForce 705M
- 2.2x lower typical power consumption: 15 Watt vs 33 Watt
- 3x better performance in PassMark - G2D Mark: 455 vs 151
Specifications (specs) | |
Thermal Design Power (TDP) | 15 Watt vs 33 Watt |
Benchmarks | |
PassMark - G2D Mark | 455 vs 151 |
Compare benchmarks
GPU 1: NVIDIA GeForce 840M
GPU 2: NVIDIA GeForce 705M
PassMark - G3D Mark |
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PassMark - G2D Mark |
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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 - Manhattan (Frames) |
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GFXBench 4.0 - T-Rex (Frames) |
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GFXBench 4.0 - Manhattan (Fps) |
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GFXBench 4.0 - T-Rex (Fps) |
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Name | NVIDIA GeForce 840M | NVIDIA GeForce 705M |
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PassMark - G3D Mark | 1096 | 456 |
PassMark - G2D Mark | 151 | 455 |
Geekbench - OpenCL | 5745 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 22.848 | 4.569 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 162.594 | 115.15 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.237 | 0.373 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.15 | 7.904 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 95.545 | 11.055 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2085 | |
GFXBench 4.0 - Manhattan (Frames) | 2736 | 1131 |
GFXBench 4.0 - T-Rex (Frames) | 3191 | 1629 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2085 | |
GFXBench 4.0 - Manhattan (Fps) | 2736 | 1131 |
GFXBench 4.0 - T-Rex (Fps) | 3191 | 1629 |
3DMark Fire Strike - Graphics Score | 503 |
Compare specifications (specs)
NVIDIA GeForce 840M | NVIDIA GeForce 705M | |
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Essentials |
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Architecture | Maxwell | Fermi 2.0 |
Code name | GM108 | GF117 |
Launch date | 12 March 2014 | 27 September 2013 |
Place in performance rating | 1248 | 1250 |
Type | Laptop | Laptop |
Technical info |
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Boost clock speed | 1124 MHz | |
Core clock speed | 1029 MHz | 738 MHz |
Floating-point performance | 863.2 gflops | 141.7 gflops |
Manufacturing process technology | 28 nm | 28 nm |
Pipelines | 384 | 48 |
Texture fill rate | 17.98 GTexel / s | 5.904 GTexel / s |
Thermal Design Power (TDP) | 33 Watt | 15 Watt |
Transistor count | 585 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 2560x1600 | |
eDP 1.2 signal support | Up to 2560x1600 | |
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 |
Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
Laptop size | medium sized | |
API support |
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DirectX | 12.0 (11_0) | 12 API |
OpenGL | 4.5 | 4.5 |
OpenCL | 1.1 | |
Memory |
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Maximum RAM amount | 4 GB | 1 GB |
Memory bandwidth | 16.02 GB / s | 14.4 GB / s |
Memory bus width | 64 Bit | 64 Bit |
Memory clock speed | 2002 MHz | 1800 MHz |
Memory type | DDR3 | DDR3 |
Shared memory | 0 | 0 |
Standard memory configuration | DDR3 | |
Technologies |
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CUDA | ||
GameWorks | ||
GeForce Experience | ||
GPU Boost | ||
Optimus | ||
Blu-Ray 3D Support | ||
Direct Compute | ||
FXAA | ||
H.264, VC1, MPEG2 1080p video decoder |