NVIDIA GeForce GT 640M Mac Edition versus AMD Radeon HD 7450 OEM
Comparaison des cartes vidéo NVIDIA GeForce GT 640M Mac Edition and AMD Radeon HD 7450 OEM 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.
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 19% plus haut vitesse du noyau: 745 MHz versus 625 MHz
- times}x plus de taux de remplissage de la texture: 23.84 GTexel / s versus 5 GTexel / s
- 2.4x plus de pipelines: 384 versus 160
- 2.9x de meilleur performance á point flottant: 572.2 gflops versus 200.0 gflops
- Un nouveau processus de fabrication soutient une carte vidéo plus forte, mais moins chaude: 28 nm versus 40 nm
- 4.7x plus de vitesse de mémoire: 5000 MHz versus 1066 MHz
- 2.3x meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 226.218 versus 99.563
- 3.9x meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 1706 versus 443
- 3.2x meilleur performance en GFXBench 4.0 - Manhattan (Frames): 2983 versus 919
- 3.4x meilleur performance en GFXBench 4.0 - T-Rex (Frames): 5586 versus 1626
| Caractéristiques | |
| Date de sortie | 3 February 2013 versus 5 January 2012 |
| Vitesse du noyau | 745 MHz versus 625 MHz |
| Taux de remplissage de la texture | 23.84 GTexel / s versus 5 GTexel / s |
| Pipelines | 384 versus 160 |
| Performance á point flottant | 572.2 gflops versus 200.0 gflops |
| Processus de fabrication | 28 nm versus 40 nm |
| Vitesse de mémoire | 5000 MHz versus 1066 MHz |
| Référence | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 226.218 versus 99.563 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1706 versus 443 |
| GFXBench 4.0 - Manhattan (Frames) | 2983 versus 919 |
| GFXBench 4.0 - T-Rex (Frames) | 5586 versus 1626 |
Raisons pour considerer le AMD Radeon HD 7450 OEM
- Environ 78% consummation d’énergie moyen plus bas: 18 Watt versus 32 Watt
- 15.3x meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 443 versus 28.9
- 19.1x meilleur performance en GFXBench 4.0 - Manhattan (Fps): 919 versus 48.1
- 16.3x meilleur performance en GFXBench 4.0 - T-Rex (Fps): 1626 versus 99.8
| Caractéristiques | |
| Thermal Design Power (TDP) | 18 Watt versus 32 Watt |
| Référence | |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 443 versus 28.9 |
| GFXBench 4.0 - Manhattan (Fps) | 919 versus 48.1 |
| GFXBench 4.0 - T-Rex (Fps) | 1626 versus 99.8 |
Comparer les références
GPU 1: NVIDIA GeForce GT 640M Mac Edition
GPU 2: AMD Radeon HD 7450 OEM
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/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 7450 OEM |
|---|---|---|
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 6.577 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 226.218 | 99.563 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.559 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 11.947 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 12.554 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1706 | 443 |
| GFXBench 4.0 - Manhattan (Frames) | 2983 | 919 |
| GFXBench 4.0 - T-Rex (Frames) | 5586 | 1626 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 28.9 | 443 |
| GFXBench 4.0 - Manhattan (Fps) | 48.1 | 919 |
| GFXBench 4.0 - T-Rex (Fps) | 99.8 | 1626 |
| PassMark - G3D Mark | 225 | |
| PassMark - G2D Mark | 146 | |
| Geekbench - OpenCL | 635 |
Comparer les caractéristiques
| NVIDIA GeForce GT 640M Mac Edition | AMD Radeon HD 7450 OEM | |
|---|---|---|
Essentiel |
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| Architecture | Kepler | TeraScale 2 |
| Nom de code | GK107 | Caicos |
| Date de sortie | 3 February 2013 | 5 January 2012 |
| Position dans l’évaluation de la performance | 1514 | 1516 |
| Genre | Desktop | Desktop |
Infos techniques |
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| Vitesse du noyau | 745 MHz | 625 MHz |
| Performance á point flottant | 572.2 gflops | 200.0 gflops |
| Processus de fabrication | 28 nm | 40 nm |
| Pipelines | 384 | 160 |
| Taux de remplissage de la texture | 23.84 GTexel / s | 5 GTexel / s |
| Thermal Design Power (TDP) | 32 Watt | 18 Watt |
| Compte de transistor | 1,270 million | 370 million |
Sorties et ports de vidéo |
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| Connecteurs d’écran | No outputs | 1x DVI, 1x HDMI |
Compatibilité, dimensions et exigences |
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| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Longeur | 168 mm | |
| Connecteurs d’énergie supplementaires | None | |
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 | 512 MB |
| Bande passante de la mémoire | 40 GB / s | 8.528 GB / s |
| Largeur du bus mémoire | 64 Bit | 64 Bit |
| Vitesse de mémoire | 5000 MHz | 1066 MHz |
| Genre de mémoire | GDDR5 | GDDR3 |
Navigation
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Comparer les cartes vidéo
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NVIDIAGeForce GT 640M Mac Edition vs
AMDRadeon HD 7450 OEM
NVIDIAGeForce GT 640M Mac Edition vs
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NVIDIAGeForce GT 640M Mac Edition vs
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