AMD Radeon HD 7640G + HD 7670M Dual Graphics vs NVIDIA GeForce GT 640M LE
Comparative analysis of AMD Radeon HD 7640G + HD 7670M Dual Graphics and NVIDIA GeForce GT 640M LE videocards for all known characteristics in the following categories: Essentials, Technical info, Compatibility, dimensions and requirements, API support, Memory, Video outputs and ports, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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).
Differences
Reasons to consider the AMD Radeon HD 7640G + HD 7670M Dual Graphics
- Around 92% higher pipelines: 736 vs 384
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 32 / 40 nm vs 40 nm
- 3.6x better performance in Geekbench - OpenCL: 8444 vs 2344
- Around 7% better performance in GFXBench 4.0 - T-Rex (Frames): 3361 vs 3127
- Around 7% better performance in GFXBench 4.0 - T-Rex (Fps): 3361 vs 3127
| Specifications (specs) | |
| Pipelines | 736 vs 384 |
| Manufacturing process technology | 32 / 40 nm vs 40 nm |
| Benchmarks | |
| Geekbench - OpenCL | 8444 vs 2344 |
| GFXBench 4.0 - T-Rex (Frames) | 3361 vs 3127 |
| GFXBench 4.0 - T-Rex (Fps) | 3361 vs 3127 |
Reasons to consider the NVIDIA GeForce GT 640M LE
- Around 74% higher memory clock speed: 3140 MHz vs 1800 MHz
- Around 36% better performance in PassMark - G3D Mark: 704 vs 519
- Around 76% better performance in PassMark - G2D Mark: 171 vs 97
- 10.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1583 vs 157
- 10.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1583 vs 157
- Around 9% better performance in GFXBench 4.0 - Manhattan (Frames): 2289 vs 2097
- Around 9% better performance in GFXBench 4.0 - Manhattan (Fps): 2289 vs 2097
| Specifications (specs) | |
| Memory clock speed | 3140 MHz vs 1800 MHz |
| Benchmarks | |
| PassMark - G3D Mark | 704 vs 519 |
| PassMark - G2D Mark | 171 vs 97 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1583 vs 157 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1583 vs 157 |
| GFXBench 4.0 - Manhattan (Frames) | 2289 vs 2097 |
| GFXBench 4.0 - Manhattan (Fps) | 2289 vs 2097 |
Compare benchmarks
GPU 1: AMD Radeon HD 7640G + HD 7670M Dual Graphics
GPU 2: NVIDIA GeForce GT 640M LE
| PassMark - G3D Mark |
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| PassMark - G2D Mark |
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| Geekbench - OpenCL |
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| GFXBench 4.0 - Car Chase Offscreen (Frames) |
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| GFXBench 4.0 - Car Chase Offscreen (Fps) |
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| GFXBench 4.0 - Manhattan (Frames) |
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| GFXBench 4.0 - Manhattan (Fps) |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Name | AMD Radeon HD 7640G + HD 7670M Dual Graphics | NVIDIA GeForce GT 640M LE |
|---|---|---|
| PassMark - G3D Mark | 519 | 704 |
| PassMark - G2D Mark | 97 | 171 |
| Geekbench - OpenCL | 8444 | 2344 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 157 | 1583 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 157 | 1583 |
| GFXBench 4.0 - Manhattan (Frames) | 2097 | 2289 |
| GFXBench 4.0 - Manhattan (Fps) | 2097 | 2289 |
| GFXBench 4.0 - T-Rex (Frames) | 3361 | 3127 |
| GFXBench 4.0 - T-Rex (Fps) | 3361 | 3127 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 6.495 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 251.012 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.649 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 13.333 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 13.954 |
Compare specifications (specs)
| AMD Radeon HD 7640G + HD 7670M Dual Graphics | NVIDIA GeForce GT 640M LE | |
|---|---|---|
Essentials |
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| Architecture | Terascale 3 | Fermi |
| Launch date | 15 May 2012 | 4 May 2012 |
| Place in performance rating | 1339 | 1340 |
| Type | Laptop | Laptop |
| Code name | GF108 | |
| Launch price (MSRP) | $849.99 | |
| Price now | $849.99 | |
| Value for money (0-100) | 1.17 | |
Technical info |
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| Core clock speed | 655 / 600 MHz | |
| Manufacturing process technology | 32 / 40 nm | 40 nm |
| Pipelines | 736 | 384 |
| CUDA cores | Up to 384 | |
| Floating-point performance | 384.0 gflops | |
| Thermal Design Power (TDP) | 20 Watt | |
| Transistor count | 585 million | |
Compatibility, dimensions and requirements |
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| Laptop size | medium sized | medium sized |
| Bus support | PCI Express 2.0, PCI Express 3.0 | |
| Interface | PCIe 2.0 x16 | |
API support |
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| DirectX | 11 | 12 API |
| OpenCL | 1.1 | |
| OpenGL | 4.5 | |
Memory |
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| Memory bus width | 128 Bit | 128bit |
| Memory clock speed | 1800 MHz | 3140 MHz |
| Shared memory | 1 | 0 |
| Maximum RAM amount | 1 GB | |
| Memory type | DDR3\DDR5 | |
Video outputs and ports |
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| Display Connectors | No outputs | |
| HDCP | ||
| HDMI | ||
| Maximum VGA resolution | Up to 2048x1536 | |
Technologies |
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| 3D Blu-Ray | ||
| 3D Vision | ||
| 3D Vision / 3DTV Play | ||
| CUDA | ||
| DirectCompute | ||
| DirectX 11 | DirectX 11 | |
| Optimus | ||
| Verde Drivers | ||
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