AMD Radeon HD 7640G + HD 7670M Dual Graphics versus NVIDIA GeForce GT 640M LE
Comparaison des cartes vidéo AMD Radeon HD 7640G + HD 7670M Dual Graphics and NVIDIA GeForce GT 640M LE pour tous les caractéristiques connus dans les catégories suivants: Essentiel, Infos techniques, Compatibilité, dimensions et exigences, Soutien API, Mémoire, Sorties et ports de vidéo, Technologies. Analyse du performance de référence des cartes vidéo: 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).
Différences
Raisons pour considerer le AMD Radeon HD 7640G + HD 7670M Dual Graphics
- Environ 92% de pipelines plus haut: 736 versus 384
- Un nouveau processus de fabrication soutient une carte vidéo plus forte, mais moins chaude: 32 / 40 nm versus 40 nm
- 3.6x meilleur performance en Geekbench - OpenCL: 8444 versus 2344
- Environ 7% meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3361 versus 3127
- Environ 7% meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3361 versus 3127
| Caractéristiques | |
| Pipelines | 736 versus 384 |
| Processus de fabrication | 32 / 40 nm versus 40 nm |
| Référence | |
| Geekbench - OpenCL | 8444 versus 2344 |
| GFXBench 4.0 - T-Rex (Frames) | 3361 versus 3127 |
| GFXBench 4.0 - T-Rex (Fps) | 3361 versus 3127 |
Raisons pour considerer le NVIDIA GeForce GT 640M LE
- Environ 74% plus haut de vitesse de mémoire: 3140 MHz versus 1800 MHz
- Environ 36% meilleur performance en PassMark - G3D Mark: 704 versus 519
- Environ 76% meilleur performance en PassMark - G2D Mark: 171 versus 97
- 10.1x meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 1583 versus 157
- 10.1x meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 1583 versus 157
- Environ 9% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 2289 versus 2097
- Environ 9% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 2289 versus 2097
| Caractéristiques | |
| Vitesse de mémoire | 3140 MHz versus 1800 MHz |
| Référence | |
| PassMark - G3D Mark | 704 versus 519 |
| PassMark - G2D Mark | 171 versus 97 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1583 versus 157 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1583 versus 157 |
| GFXBench 4.0 - Manhattan (Frames) | 2289 versus 2097 |
| GFXBench 4.0 - Manhattan (Fps) | 2289 versus 2097 |
Comparer les références
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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| Nom | 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 |
Comparer les caractéristiques
| AMD Radeon HD 7640G + HD 7670M Dual Graphics | NVIDIA GeForce GT 640M LE | |
|---|---|---|
Essentiel |
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| Architecture | Terascale 3 | Fermi |
| Date de sortie | 15 May 2012 | 4 May 2012 |
| Position dans l’évaluation de la performance | 1339 | 1340 |
| Genre | Laptop | Laptop |
| Nom de code | GF108 | |
| Prix de sortie (MSRP) | $849.99 | |
| Prix maintenant | $849.99 | |
| Valeur pour le prix (0-100) | 1.17 | |
Infos techniques |
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| Vitesse du noyau | 655 / 600 MHz | |
| Processus de fabrication | 32 / 40 nm | 40 nm |
| Pipelines | 736 | 384 |
| Noyaux CUDA | Up to 384 | |
| Performance á point flottant | 384.0 gflops | |
| Thermal Design Power (TDP) | 20 Watt | |
| Compte de transistor | 585 million | |
Compatibilité, dimensions et exigences |
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| Taille du laptop | medium sized | medium sized |
| Soutien de bus | PCI Express 2.0, PCI Express 3.0 | |
| Interface | PCIe 2.0 x16 | |
Soutien API |
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| DirectX | 11 | 12 API |
| OpenCL | 1.1 | |
| OpenGL | 4.5 | |
Mémoire |
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| Largeur du bus mémoire | 128 Bit | 128bit |
| Vitesse de mémoire | 1800 MHz | 3140 MHz |
| Mémoire partagé | 1 | 0 |
| RAM maximale | 1 GB | |
| Genre de mémoire | DDR3\DDR5 | |
Sorties et ports de vidéo |
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| Connecteurs d’écran | No outputs | |
| HDCP | ||
| HDMI | ||
| Résolution VGA maximale | 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 | ||
Navigation
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Comparer les cartes vidéo
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