NVIDIA GeForce GT 625M versus NVIDIA GeForce GT 645M
Comparaison des cartes vidéo NVIDIA GeForce GT 625M and NVIDIA GeForce GT 645M pour tous les caractéristiques connus dans les catégories suivants: Essentiel, Infos techniques, Sorties et ports de vidéo, Compatibilité, dimensions et exigences, Soutien API, Mémoire, 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 NVIDIA GeForce GT 625M
- 2.1x consummation d’énergie moyen plus bas: 15 Watt versus 32 Watt
| Thermal Design Power (TDP) | 15 Watt versus 32 Watt |
Raisons pour considerer le NVIDIA GeForce GT 645M
- 4x plus de pipelines: 384 versus 96
- 2.3x de meilleur performance á point flottant: 544.5 gflops versus 240.0 gflops
- Environ 95% meilleur performance en PassMark - G3D Mark: 935 versus 479
- Environ 13% meilleur performance en PassMark - G2D Mark: 160 versus 141
- Environ 20% meilleur performance en Geekbench - OpenCL: 2673 versus 2229
- Environ 91% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 1913 versus 999
- Environ 91% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 1913 versus 999
- Environ 57% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 3670 versus 2333
- Environ 57% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 3670 versus 2333
- Environ 3% meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3341 versus 3257
- Environ 3% meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3341 versus 3257
| Caractéristiques | |
| Pipelines | 384 versus 96 |
| Performance á point flottant | 544.5 gflops versus 240.0 gflops |
| Référence | |
| PassMark - G3D Mark | 935 versus 479 |
| PassMark - G2D Mark | 160 versus 141 |
| Geekbench - OpenCL | 2673 versus 2229 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1913 versus 999 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1913 versus 999 |
| GFXBench 4.0 - Manhattan (Frames) | 3670 versus 2333 |
| GFXBench 4.0 - Manhattan (Fps) | 3670 versus 2333 |
| GFXBench 4.0 - T-Rex (Frames) | 3341 versus 3257 |
| GFXBench 4.0 - T-Rex (Fps) | 3341 versus 3257 |
Comparer les références
GPU 1: NVIDIA GeForce GT 625M
GPU 2: NVIDIA GeForce GT 645M
| 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 | NVIDIA GeForce GT 625M | NVIDIA GeForce GT 645M |
|---|---|---|
| PassMark - G3D Mark | 479 | 935 |
| PassMark - G2D Mark | 141 | 160 |
| Geekbench - OpenCL | 2229 | 2673 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 999 | 1913 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 999 | 1913 |
| GFXBench 4.0 - Manhattan (Frames) | 2333 | 3670 |
| GFXBench 4.0 - Manhattan (Fps) | 2333 | 3670 |
| GFXBench 4.0 - T-Rex (Frames) | 3257 | 3341 |
| GFXBench 4.0 - T-Rex (Fps) | 3257 | 3341 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 8.493 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 285.42 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.863 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 17.242 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 19.116 |
Comparer les caractéristiques
| NVIDIA GeForce GT 625M | NVIDIA GeForce GT 645M | |
|---|---|---|
Essentiel |
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| Architecture | Fermi 2.0 | Kepler |
| Nom de code | GF117 | GK107 |
| Date de sortie | 1 October 2012 | 1 October 2012 |
| Position dans l’évaluation de la performance | 1213 | 1214 |
| Genre | Laptop | Laptop |
Infos techniques |
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| Noyaux CUDA | 96 | 384 |
| Performance á point flottant | 240.0 gflops | 544.5 gflops |
| Processus de fabrication | 28 nm | 28 nm |
| Pipelines | 96 | 384 |
| Thermal Design Power (TDP) | 15 Watt | 32 Watt |
| Compte de transistor | 585 million | 1,270 million |
| Taux de remplissage de la texture | 22.7 billion / sec | |
Sorties et ports de vidéo |
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| Connecteurs d’écran | No outputs | No outputs |
| HDCP | ||
| HDMI | ||
| Résolution VGA maximale | Up to 2048x1536 | Up to 2048x1536 |
Compatibilité, dimensions et exigences |
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| Soutien de bus | PCI Express 2.0 | PCI Express 2.0, PCI Express 3.0 |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Taille du laptop | medium sized | medium sized |
Soutien API |
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| DirectX | 12 API | 12 API |
| OpenCL | 1.1 | 1.1 |
| OpenGL | 4.5 | 4.5 |
Mémoire |
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| RAM maximale | 2 GB | 2 GB |
| Largeur du bus mémoire | 64 Bit | 128bit |
| Vitesse de mémoire | 1800 MHz | 1800 MHz |
| Genre de mémoire | DDR3 | DDR3\GDDR5 |
| Mémoire partagé | 0 | 0 |
Technologies |
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| 3D Blu-Ray | ||
| CUDA | ||
| DirectCompute | ||
| DirectX 11 | DirectX 11 | DirectX 11 |
| Optimus | ||
| 3D Vision | ||
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