NVIDIA GeForce GT 640M LE vs NVIDIA GeForce GT 640M
Comparative analysis of NVIDIA GeForce GT 640M LE and NVIDIA GeForce GT 640M 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).
Differences
Reasons to consider the NVIDIA GeForce GT 640M LE
- Videocard is newer: launch date 1 month(s) later
- Around 60% lower typical power consumption: 20 Watt vs 32 Watt
- Around 74% higher memory clock speed: 3140 MHz vs 1800 MHz
- Around 7% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1583 vs 1476
- Around 17% better performance in GFXBench 4.0 - Manhattan (Frames): 2289 vs 1963
- Around 21% better performance in GFXBench 4.0 - T-Rex (Frames): 3127 vs 2580
- Around 7% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1583 vs 1476
- Around 17% better performance in GFXBench 4.0 - Manhattan (Fps): 2289 vs 1963
- Around 21% better performance in GFXBench 4.0 - T-Rex (Fps): 3127 vs 2580
| Specifications (specs) | |
| Launch date | 4 May 2012 vs 22 March 2012 |
| Thermal Design Power (TDP) | 20 Watt vs 32 Watt |
| Memory clock speed | 3140 MHz vs 1800 MHz |
| Benchmarks | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1583 vs 1476 |
| GFXBench 4.0 - Manhattan (Frames) | 2289 vs 1963 |
| GFXBench 4.0 - T-Rex (Frames) | 3127 vs 2580 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1583 vs 1476 |
| GFXBench 4.0 - Manhattan (Fps) | 2289 vs 1963 |
| GFXBench 4.0 - T-Rex (Fps) | 3127 vs 2580 |
Reasons to consider the NVIDIA GeForce GT 640M
- Around 25% better floating-point performance: 480.0 gflops vs 384.0 gflops
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
- 2x more maximum memory size: 2 GB vs 1 GB
- Around 31% better performance in PassMark - G3D Mark: 925 vs 706
- Around 14% better performance in PassMark - G2D Mark: 197 vs 173
- Around 36% better performance in Geekbench - OpenCL: 3191 vs 2344
- Around 21% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 7.861 vs 6.495
- Around 10% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 275.972 vs 251.012
- Around 12% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.727 vs 0.649
- Around 16% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 15.445 vs 13.333
- Around 25% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 17.381 vs 13.954
| Specifications (specs) | |
| Floating-point performance | 480.0 gflops vs 384.0 gflops |
| Manufacturing process technology | 28 nm vs 40 nm |
| Maximum memory size | 2 GB vs 1 GB |
| Benchmarks | |
| PassMark - G3D Mark | 925 vs 706 |
| PassMark - G2D Mark | 197 vs 173 |
| Geekbench - OpenCL | 3191 vs 2344 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 7.861 vs 6.495 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 275.972 vs 251.012 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.727 vs 0.649 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 15.445 vs 13.333 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 17.381 vs 13.954 |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 640M LE
GPU 2: NVIDIA GeForce GT 640M
| 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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| Name | NVIDIA GeForce GT 640M LE | NVIDIA GeForce GT 640M |
|---|---|---|
| PassMark - G3D Mark | 706 | 925 |
| PassMark - G2D Mark | 173 | 197 |
| Geekbench - OpenCL | 2344 | 3191 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 6.495 | 7.861 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 251.012 | 275.972 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.649 | 0.727 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 13.333 | 15.445 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 13.954 | 17.381 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1583 | 1476 |
| GFXBench 4.0 - Manhattan (Frames) | 2289 | 1963 |
| GFXBench 4.0 - T-Rex (Frames) | 3127 | 2580 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1583 | 1476 |
| GFXBench 4.0 - Manhattan (Fps) | 2289 | 1963 |
| GFXBench 4.0 - T-Rex (Fps) | 3127 | 2580 |
Compare specifications (specs)
| NVIDIA GeForce GT 640M LE | NVIDIA GeForce GT 640M | |
|---|---|---|
Essentials |
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| Architecture | Fermi | Kepler |
| Code name | GF108 | GK107 |
| Launch date | 4 May 2012 | 22 March 2012 |
| Launch price (MSRP) | $849.99 | |
| Place in performance rating | 1345 | 1346 |
| Price now | $849.99 | |
| Type | Laptop | Laptop |
| Value for money (0-100) | 1.17 | |
Technical info |
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| CUDA cores | Up to 384 | 384 |
| Floating-point performance | 384.0 gflops | 480.0 gflops |
| Manufacturing process technology | 40 nm | 28 nm |
| Pipelines | 384 | 384 |
| Thermal Design Power (TDP) | 20 Watt | 32 Watt |
| Transistor count | 585 million | 1,270 million |
| Boost clock speed | 645 MHz | |
Video outputs and ports |
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| Display Connectors | No outputs | No outputs |
| HDCP | ||
| HDMI | ||
| Maximum VGA resolution | Up to 2048x1536 | 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 2.0 x16 | PCIe 3.0 x16 |
| Laptop size | medium sized | medium sized |
API support |
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| DirectX | 12 API | 12 API |
| OpenCL | 1.1 | 1.1 |
| OpenGL | 4.5 | 4.5 |
Memory |
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| Maximum RAM amount | 1 GB | 2 GB |
| Memory bus width | 128bit | 128bit |
| Memory clock speed | 3140 MHz | 1800 MHz |
| Memory type | DDR3\DDR5 | DDR3\GDDR5 |
| Shared memory | 0 | 0 |
Technologies |
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| 3D Blu-Ray | ||
| 3D Vision | ||
| 3D Vision / 3DTV Play | ||
| CUDA | ||
| DirectCompute | ||
| DirectX 11 | DirectX 11 | DirectX 11 |
| Optimus | ||
| Verde Drivers | ||
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