NVIDIA GeForce GT 645M versus ATI Mobility Radeon HD 4250 IGP
Comparaison des cartes vidéo NVIDIA GeForce GT 645M and ATI Mobility Radeon HD 4250 IGP 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, 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).
Différences
Raisons pour considerer le NVIDIA GeForce GT 645M
- La carte vidéo est plus nouvelle: date de sortie 2 ans 5 mois plus tard
- Un nouveau processus de fabrication soutient une carte vidéo plus forte, mais moins chaude: 28 nm versus 55 nm
- 9.5x meilleur performance en PassMark - G3D Mark: 935 versus 98
- 4.5x meilleur performance en GFXBench 4.0 - Manhattan (Frames): 3670 versus 813
- 4.8x meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3341 versus 699
- 4.5x meilleur performance en GFXBench 4.0 - Manhattan (Fps): 3670 versus 813
- 4.8x meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3341 versus 699
| Caractéristiques | |
| Date de sortie | 1 October 2012 versus 1 May 2010 |
| Processus de fabrication | 28 nm versus 55 nm |
| Référence | |
| PassMark - G3D Mark | 935 versus 98 |
| GFXBench 4.0 - Manhattan (Frames) | 3670 versus 813 |
| GFXBench 4.0 - T-Rex (Frames) | 3341 versus 699 |
| GFXBench 4.0 - Manhattan (Fps) | 3670 versus 813 |
| GFXBench 4.0 - T-Rex (Fps) | 3341 versus 699 |
Raisons pour considerer le ATI Mobility Radeon HD 4250 IGP
- Environ 75% meilleur performance en PassMark - G2D Mark: 280 versus 160
| Référence | |
| PassMark - G2D Mark | 280 versus 160 |
Comparer les références
GPU 1: NVIDIA GeForce GT 645M
GPU 2: ATI Mobility Radeon HD 4250 IGP
| PassMark - G3D Mark |
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| PassMark - G2D Mark |
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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 - Manhattan (Fps) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Nom | NVIDIA GeForce GT 645M | ATI Mobility Radeon HD 4250 IGP |
|---|---|---|
| PassMark - G3D Mark | 935 | 98 |
| PassMark - G2D Mark | 160 | 280 |
| Geekbench - OpenCL | 2673 | |
| 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 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1913 | |
| GFXBench 4.0 - Manhattan (Frames) | 3670 | 813 |
| GFXBench 4.0 - T-Rex (Frames) | 3341 | 699 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1913 | |
| GFXBench 4.0 - Manhattan (Fps) | 3670 | 813 |
| GFXBench 4.0 - T-Rex (Fps) | 3341 | 699 |
Comparer les caractéristiques
| NVIDIA GeForce GT 645M | ATI Mobility Radeon HD 4250 IGP | |
|---|---|---|
Essentiel |
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| Architecture | Kepler | TeraScale |
| Nom de code | GK107 | RS880 |
| Date de sortie | 1 October 2012 | 1 May 2010 |
| Position dans l’évaluation de la performance | 1213 | 1215 |
| Genre | Laptop | Desktop |
Infos techniques |
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| Noyaux CUDA | 384 | |
| Performance á point flottant | 544.5 gflops | |
| Processus de fabrication | 28 nm | 55 nm |
| Pipelines | 384 | |
| Taux de remplissage de la texture | 22.7 billion / sec | |
| Thermal Design Power (TDP) | 32 Watt | |
| Compte de transistor | 1,270 million | 181 million |
| Vitesse du noyau | 500 MHz | |
Sorties et ports de vidéo |
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| Connecteurs d’écran | No outputs | No outputs |
| HDCP | ||
| HDMI | ||
| Résolution VGA maximale | Up to 2048x1536 | |
Compatibilité, dimensions et exigences |
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| Soutien de bus | PCI Express 2.0, PCI Express 3.0 | |
| Interface | PCIe 3.0 x16 | PCI |
| Taille du laptop | medium sized | |
| Connecteurs d’énergie supplementaires | None | |
Soutien API |
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| DirectX | 12 API | 10.1 |
| OpenCL | 1.1 | |
| OpenGL | 4.5 | 3.3 |
Mémoire |
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| RAM maximale | 2 GB | |
| Largeur du bus mémoire | 128bit | |
| Vitesse de mémoire | 1800 MHz | |
| Genre de mémoire | DDR3\GDDR5 | |
| Mémoire partagé | 0 | |
Technologies |
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| 3D Blu-Ray | ||
| 3D Vision | ||
| CUDA | ||
| DirectCompute | ||
| DirectX 11 | DirectX 11 | |
| Optimus | ||
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