NVIDIA GeForce GT 640M Mac Edition versus AMD Radeon HD 7650M
Comparaison des cartes vidéo NVIDIA GeForce GT 640M Mac Edition and AMD Radeon HD 7650M pour tous les caractéristiques connus dans les catégories suivants: Essentiel, Infos techniques, Sorties et ports de vidéo, Compatibilité, dimensions et exigences, Soutien API, Mémoire. Analyse du performance de référence des cartes vidéo: 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), PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 3DMark Fire Strike - Graphics Score.
Différences
Raisons pour considerer le NVIDIA GeForce GT 640M Mac Edition
- La carte vidéo est plus nouvelle: date de sortie 1 ans 0 mois plus tard
- Environ 66% plus haut vitesse du noyau: 745 MHz versus 450 MHz
- times}x plus de taux de remplissage de la texture: 23.84 GTexel / s versus 10.8 GTexel / s
- Environ 32% de meilleur performance á point flottant: 572.2 gflops versus 432.0 gflops
- Un nouveau processus de fabrication soutient une carte vidéo plus forte, mais moins chaude: 28 nm versus 40 nm
- 3.1x plus de vitesse de mémoire: 5000 MHz versus 1600 MHz
- Environ 78% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 6.577 versus 3.699
- Environ 2% meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 226.218 versus 220.859
- Environ 49% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.559 versus 0.375
- Environ 64% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 1706 versus 1042
- Environ 53% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 2983 versus 1949
- 3.2x meilleur performance en GFXBench 4.0 - T-Rex (Frames): 5586 versus 1733
Caractéristiques | |
Date de sortie | 3 February 2013 versus 7 January 2012 |
Vitesse du noyau | 745 MHz versus 450 MHz |
Taux de remplissage de la texture | 23.84 GTexel / s versus 10.8 GTexel / s |
Performance á point flottant | 572.2 gflops versus 432.0 gflops |
Processus de fabrication | 28 nm versus 40 nm |
Vitesse de mémoire | 5000 MHz versus 1600 MHz |
Référence | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 6.577 versus 3.699 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 226.218 versus 220.859 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.559 versus 0.375 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1706 versus 1042 |
GFXBench 4.0 - Manhattan (Frames) | 2983 versus 1949 |
GFXBench 4.0 - T-Rex (Frames) | 5586 versus 1733 |
Raisons pour considerer le AMD Radeon HD 7650M
- Environ 25% de pipelines plus haut: 480 versus 384
- Environ 60% consummation d’énergie moyen plus bas: 20 Watt versus 32 Watt
- 2x plus de taille maximale de mémoire : 1 GB versus 512 MB
- 3.6x meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 44.624 versus 12.554
- 36.1x meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 1042 versus 28.9
- 40.5x meilleur performance en GFXBench 4.0 - Manhattan (Fps): 1949 versus 48.1
- 17.4x meilleur performance en GFXBench 4.0 - T-Rex (Fps): 1733 versus 99.8
Caractéristiques | |
Pipelines | 480 versus 384 |
Thermal Design Power (TDP) | 20 Watt versus 32 Watt |
Taille de mémore maximale | 1 GB versus 512 MB |
Référence | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 44.624 versus 12.554 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 1042 versus 28.9 |
GFXBench 4.0 - Manhattan (Fps) | 1949 versus 48.1 |
GFXBench 4.0 - T-Rex (Fps) | 1733 versus 99.8 |
Comparer les références
GPU 1: NVIDIA GeForce GT 640M Mac Edition
GPU 2: AMD Radeon HD 7650M
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 - 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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Nom | NVIDIA GeForce GT 640M Mac Edition | AMD Radeon HD 7650M |
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CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 6.577 | 3.699 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 226.218 | 220.859 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.559 | 0.375 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 11.947 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 12.554 | 44.624 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1706 | 1042 |
GFXBench 4.0 - Manhattan (Frames) | 2983 | 1949 |
GFXBench 4.0 - T-Rex (Frames) | 5586 | 1733 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 28.9 | 1042 |
GFXBench 4.0 - Manhattan (Fps) | 48.1 | 1949 |
GFXBench 4.0 - T-Rex (Fps) | 99.8 | 1733 |
PassMark - G3D Mark | 438 | |
PassMark - G2D Mark | 59 | |
Geekbench - OpenCL | 1192 | |
3DMark Fire Strike - Graphics Score | 680 |
Comparer les caractéristiques
NVIDIA GeForce GT 640M Mac Edition | AMD Radeon HD 7650M | |
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Essentiel |
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Architecture | Kepler | TeraScale 2 |
Nom de code | GK107 | Thames |
Date de sortie | 3 February 2013 | 7 January 2012 |
Position dans l’évaluation de la performance | 1514 | 1517 |
Genre | Desktop | Laptop |
Infos techniques |
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Vitesse du noyau | 745 MHz | 450 MHz |
Performance á point flottant | 572.2 gflops | 432.0 gflops |
Processus de fabrication | 28 nm | 40 nm |
Pipelines | 384 | 480 |
Taux de remplissage de la texture | 23.84 GTexel / s | 10.8 GTexel / s |
Thermal Design Power (TDP) | 32 Watt | 20 Watt |
Compte de transistor | 1,270 million | 716 million |
Vitesse augmenté | 550 MHz | |
Sorties et ports de vidéo |
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Connecteurs d’écran | No outputs | No outputs |
Compatibilité, dimensions et exigences |
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Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
Taille du laptop | medium sized | |
Soutien API |
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DirectX | 12.0 (11_0) | 11.2 (11_0) |
OpenGL | 4.6 | 4.4 |
Mémoire |
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RAM maximale | 512 MB | 1 GB |
Bande passante de la mémoire | 40 GB / s | 25.6 GB / s |
Largeur du bus mémoire | 64 Bit | 128 Bit |
Vitesse de mémoire | 5000 MHz | 1600 MHz |
Genre de mémoire | GDDR5 | DDR3 |
Mémoire partagé | 0 |