AMD Radeon R5 M255 versus NVIDIA GeForce GT 640 OEM
Comparaison des cartes vidéo AMD Radeon R5 M255 and NVIDIA GeForce GT 640 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, 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 AMD Radeon R5 M255
- La carte vidéo est plus nouvelle: date de sortie 2 ans 5 mois plus tard
- Environ 16% plus haut vitesse du noyau: 925 MHz versus 797 MHz
- Environ 18% de meilleur performance á point flottant: 721.9 gflops versus 612.1 gflops
- 2x plus de taille maximale de mémoire : 4 GB versus 2 GB
- Environ 44% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 14.288 versus 9.932
- Environ 48% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 20.164 versus 13.613
- 4.3x meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 66.631 versus 15.32
- Environ 1% meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3357 versus 3334
- Environ 1% meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3357 versus 3334
| Caractéristiques | |
| Date de sortie | 12 October 2014 versus 24 April 2012 |
| Vitesse du noyau | 925 MHz versus 797 MHz |
| Performance á point flottant | 721.9 gflops versus 612.1 gflops |
| Taille de mémore maximale | 4 GB versus 2 GB |
| Référence | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 14.288 versus 9.932 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 20.164 versus 13.613 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 66.631 versus 15.32 |
| GFXBench 4.0 - T-Rex (Frames) | 3357 versus 3334 |
| GFXBench 4.0 - T-Rex (Fps) | 3357 versus 3334 |
Raisons pour considerer le NVIDIA GeForce GT 640 OEM
- Environ 13% taux plus haut de remplissage de la texture: 25.5 GTexel / s versus 22.56 GTexel / s
- Environ 20% de pipelines plus haut: 384 versus 320
- Environ 78% plus haut de vitesse de mémoire: 1782 MHz versus 1000 MHz
- Environ 53% meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 254.345 versus 166.596
- Environ 15% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.14 versus 0.988
- Environ 3% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 1502 versus 1459
- Environ 26% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 2167 versus 1715
- Environ 3% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 1502 versus 1459
- Environ 26% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 2167 versus 1715
| Caractéristiques | |
| Taux de remplissage de la texture | 25.5 GTexel / s versus 22.56 GTexel / s |
| Pipelines | 384 versus 320 |
| Vitesse de mémoire | 1782 MHz versus 1000 MHz |
| Référence | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 254.345 versus 166.596 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.14 versus 0.988 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1502 versus 1459 |
| GFXBench 4.0 - Manhattan (Frames) | 2167 versus 1715 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1502 versus 1459 |
| GFXBench 4.0 - Manhattan (Fps) | 2167 versus 1715 |
Comparer les références
GPU 1: AMD Radeon R5 M255
GPU 2: NVIDIA GeForce GT 640 OEM
| 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 | AMD Radeon R5 M255 | NVIDIA GeForce GT 640 OEM |
|---|---|---|
| PassMark - G3D Mark | 541 | |
| PassMark - G2D Mark | 133 | |
| Geekbench - OpenCL | 4720 | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 14.288 | 9.932 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 166.596 | 254.345 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.988 | 1.14 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 20.164 | 13.613 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 66.631 | 15.32 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1459 | 1502 |
| GFXBench 4.0 - Manhattan (Frames) | 1715 | 2167 |
| GFXBench 4.0 - T-Rex (Frames) | 3357 | 3334 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1459 | 1502 |
| GFXBench 4.0 - Manhattan (Fps) | 1715 | 2167 |
| GFXBench 4.0 - T-Rex (Fps) | 3357 | 3334 |
Comparer les caractéristiques
| AMD Radeon R5 M255 | NVIDIA GeForce GT 640 OEM | |
|---|---|---|
Essentiel |
||
| Architecture | GCN 3.0 | Kepler |
| Nom de code | Topaz | GK107 |
| Conception | AMD Radeon R5 200 Series | |
| Date de sortie | 12 October 2014 | 24 April 2012 |
| Position dans l’évaluation de la performance | 1365 | 1368 |
| Genre | Desktop | Desktop |
Infos techniques |
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| Vitesse augmenté | 940 MHz | |
| Unités de Compute | 5 | |
| Vitesse du noyau | 925 MHz | 797 MHz |
| Performance á point flottant | 721.9 gflops | 612.1 gflops |
| Processus de fabrication | 28 nm | 28 nm |
| Pipelines | 320 | 384 |
| Taux de remplissage de la texture | 22.56 GTexel / s | 25.5 GTexel / s |
| Compte de transistor | 3,100 million | 1,270 million |
| Thermal Design Power (TDP) | 50 Watt | |
Sorties et ports de vidéo |
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| Connecteurs d’écran | No outputs | 1x DVI, 1x HDMI, 1x DisplayPort |
Compatibilité, dimensions et exigences |
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| Soutien de bus | PCIe 3.0 x8 | |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Longeur | 145 mm | |
| Connecteurs d’énergie supplementaires | None | |
Soutien API |
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| DirectX | 11 | 12.0 (11_0) |
| Mantle | ||
| OpenCL | Not Listed | |
| OpenGL | 4.4 | 4.6 |
Mémoire |
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| RAM maximale | 4 GB | 2 GB |
| Bande passante de la mémoire | 16 GB/s | 28.51 GB / s |
| Largeur du bus mémoire | 64 bit | 128 Bit |
| Vitesse de mémoire | 1000 MHz | 1782 MHz |
| Genre de mémoire | DDR3 | DDR3 |
| Mémoire partagé | 0 | |
Technologies |
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| AMD Eyefinity | ||
| AppAcceleration | ||
| DualGraphics | ||
| Enduro | ||
| HD3D | ||
| Powerplay | ||
| PowerTune | ||
| Graphiques changeables | ||
| ZeroCore | ||
Navigation
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