NVIDIA GeForce GT 640 versus NVIDIA GeForce GTS 450 Rev. 2
Comparaison des cartes vidéo NVIDIA GeForce GT 640 and NVIDIA GeForce GTS 450 Rev. 2 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: 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), 3DMark Fire Strike - Graphics Score.
Différences
Raisons pour considerer le NVIDIA GeForce GT 640
- La carte vidéo est plus nouvelle: date de sortie 1 ans 2 mois plus tard
- Environ 15% plus haut vitesse du noyau: 902 MHz versus 783 MHz
- Environ 15% taux plus haut de remplissage de la texture: 28.86 GTexel / s versus 25.06 GTexel / s
- 2x plus de pipelines: 384 versus 192
- Environ 15% de meilleur performance á point flottant: 692.7 gflops versus 601.3 gflops
- Un nouveau processus de fabrication soutient une carte vidéo plus forte, mais moins chaude: 28 nm versus 40 nm
- Environ 63% consummation d’énergie moyen plus bas: 65 Watt versus 106 Watt
- 2x plus de taille maximale de mémoire : 2 GB versus 1 GB
| Caractéristiques | |
| Date de sortie | 5 June 2012 versus 15 March 2011 |
| Vitesse du noyau | 902 MHz versus 783 MHz |
| Taux de remplissage de la texture | 28.86 GTexel / s versus 25.06 GTexel / s |
| Pipelines | 384 versus 192 |
| Performance á point flottant | 692.7 gflops versus 601.3 gflops |
| Processus de fabrication | 28 nm versus 40 nm |
| Thermal Design Power (TDP) | 65 Watt versus 106 Watt |
| Taille de mémore maximale | 2 GB versus 1 GB |
| Référence | |
| GFXBench 4.0 - T-Rex (Frames) | 3328 versus 3313 |
| GFXBench 4.0 - T-Rex (Fps) | 3328 versus 3313 |
Raisons pour considerer le NVIDIA GeForce GTS 450 Rev. 2
- 2x plus de vitesse de mémoire: 3608 MHz versus 1782 MHz
- Environ 10% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 12.611 versus 11.448
- 2x meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 422.002 versus 206.777
- Environ 58% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.255 versus 0.792
- Environ 72% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 25.132 versus 14.637
- 2.4x meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 49.9 versus 20.86
- Environ 1% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 2166 versus 2134
- Environ 41% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 3360 versus 2375
- Environ 1% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 2166 versus 2134
- Environ 41% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 3360 versus 2375
| Caractéristiques | |
| Vitesse de mémoire | 3608 MHz versus 1782 MHz |
| Référence | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 12.611 versus 11.448 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 422.002 versus 206.777 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.255 versus 0.792 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 25.132 versus 14.637 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 49.9 versus 20.86 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2166 versus 2134 |
| GFXBench 4.0 - Manhattan (Frames) | 3360 versus 2375 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2166 versus 2134 |
| GFXBench 4.0 - Manhattan (Fps) | 3360 versus 2375 |
Comparer les références
GPU 1: NVIDIA GeForce GT 640
GPU 2: NVIDIA GeForce GTS 450 Rev. 2
| 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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| Nom | NVIDIA GeForce GT 640 | NVIDIA GeForce GTS 450 Rev. 2 |
|---|---|---|
| PassMark - G3D Mark | 1173 | |
| PassMark - G2D Mark | 295 | |
| Geekbench - OpenCL | 3766 | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 11.448 | 12.611 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 206.777 | 422.002 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.792 | 1.255 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 14.637 | 25.132 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 20.86 | 49.9 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2134 | 2166 |
| GFXBench 4.0 - Manhattan (Frames) | 2375 | 3360 |
| GFXBench 4.0 - T-Rex (Frames) | 3328 | 3313 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2134 | 2166 |
| GFXBench 4.0 - Manhattan (Fps) | 2375 | 3360 |
| GFXBench 4.0 - T-Rex (Fps) | 3328 | 3313 |
| 3DMark Fire Strike - Graphics Score | 1565 |
Comparer les caractéristiques
| NVIDIA GeForce GT 640 | NVIDIA GeForce GTS 450 Rev. 2 | |
|---|---|---|
Essentiel |
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| Architecture | Kepler | Fermi 2.0 |
| Nom de code | GK107 | GF116 |
| Date de sortie | 5 June 2012 | 15 March 2011 |
| Prix de sortie (MSRP) | $99 | |
| Position dans l’évaluation de la performance | 1178 | 1179 |
| Prix maintenant | $59.99 | |
| Genre | Desktop | Desktop |
| Valeur pour le prix (0-100) | 25.25 | |
Infos techniques |
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| Vitesse du noyau | 902 MHz | 783 MHz |
| Performance á point flottant | 692.7 gflops | 601.3 gflops |
| Processus de fabrication | 28 nm | 40 nm |
| Pipelines | 384 | 192 |
| Taux de remplissage de la texture | 28.86 GTexel / s | 25.06 GTexel / s |
| Thermal Design Power (TDP) | 65 Watt | 106 Watt |
| Compte de transistor | 1,270 million | 1,170 million |
Sorties et ports de vidéo |
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| Connecteurs d’écran | 1x DVI, 1x HDMI, 1x DisplayPort | 2x DVI, 1x mini-HDMI |
Compatibilité, dimensions et exigences |
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| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Longeur | 145 mm | 210 mm |
| Connecteurs d’énergie supplementaires | None | 1x 6-pin |
Soutien API |
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| DirectX | 12.0 (11_0) | 12.0 (11_0) |
| OpenGL | 4.6 | 4.6 |
Mémoire |
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| RAM maximale | 2 GB | 1 GB |
| Bande passante de la mémoire | 28.51 GB / s | 57.7 GB / s |
| Largeur du bus mémoire | 128 Bit | 128 Bit |
| Vitesse de mémoire | 1782 MHz | 3608 MHz |
| Genre de mémoire | DDR3 | GDDR5 |
Navigation
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Comparer les cartes vidéo
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