AMD Radeon HD 7870 GHz Edition versus AMD Radeon HD 7970
Comparaison des cartes vidéo AMD Radeon HD 7870 GHz Edition and AMD Radeon HD 7970 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), 3DMark Fire Strike - Graphics Score.
Différences
Raisons pour considerer le AMD Radeon HD 7870 GHz Edition
- La carte vidéo est plus nouvelle: date de sortie 2 mois plus tard
- Environ 8% plus de la vitesse augmenté: 1000 MHz versus 925 MHz
- Environ 33% consummation d’énergie moyen plus bas: 225 Watt versus 300 Watt
- 2.2x meilleur performance en Geekbench - OpenCL: 77430 versus 34541
| Caractéristiques | |
| Date de sortie | 5 March 2012 versus 22 December 2011 |
| Vitesse augmenté | 1000 MHz versus 925 MHz |
| Thermal Design Power (TDP) | 225 Watt versus 300 Watt |
| Référence | |
| Geekbench - OpenCL | 77430 versus 34541 |
| GFXBench 4.0 - Manhattan (Frames) | 3716 versus 3704 |
| GFXBench 4.0 - T-Rex (Frames) | 3358 versus 3350 |
| GFXBench 4.0 - Manhattan (Fps) | 3716 versus 3704 |
| GFXBench 4.0 - T-Rex (Fps) | 3358 versus 3350 |
Raisons pour considerer le AMD Radeon HD 7970
- Environ 48% taux plus haut de remplissage de la texture: 118.4 GTexel / s versus 80 GTexel / s
- Environ 60% de pipelines plus haut: 2048 versus 1280
- Environ 48% de meilleur performance á point flottant: 3,789 gflops versus 2,560 gflops
- Environ 50% plus de taille maximale de mémoire: 3 GB versus 2 GB
- Environ 15% plus haut de vitesse de mémoire: 1375 MHz versus 1200 MHz
- Environ 53% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 84.381 versus 55.001
- Environ 46% meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1389.754 versus 952.668
- 5x meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 8.872 versus 1.767
- Environ 58% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 101.929 versus 64.456
- Environ 64% meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 481.76 versus 294.215
- Environ 39% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 9448 versus 6821
- Environ 39% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 9448 versus 6821
- Environ 38% meilleur performance en 3DMark Fire Strike - Graphics Score: 2276 versus 1651
| Caractéristiques | |
| Taux de remplissage de la texture | 118.4 GTexel / s versus 80 GTexel / s |
| Pipelines | 2048 versus 1280 |
| Performance á point flottant | 3,789 gflops versus 2,560 gflops |
| Taille de mémore maximale | 3 GB versus 2 GB |
| Vitesse de mémoire | 1375 MHz versus 1200 MHz |
| Référence | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 84.381 versus 55.001 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 1389.754 versus 952.668 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 8.872 versus 1.767 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 101.929 versus 64.456 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 481.76 versus 294.215 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 9448 versus 6821 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 9448 versus 6821 |
| 3DMark Fire Strike - Graphics Score | 2276 versus 1651 |
Comparer les références
GPU 1: AMD Radeon HD 7870 GHz Edition
GPU 2: AMD Radeon HD 7970
| Geekbench - OpenCL |
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| 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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| 3DMark Fire Strike - Graphics Score |
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| Nom | AMD Radeon HD 7870 GHz Edition | AMD Radeon HD 7970 |
|---|---|---|
| PassMark - G3D Mark | 4633 | |
| PassMark - G2D Mark | 588 | |
| Geekbench - OpenCL | 77430 | 34541 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 55.001 | 84.381 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 952.668 | 1389.754 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.767 | 8.872 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 64.456 | 101.929 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 294.215 | 481.76 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 6821 | 9448 |
| GFXBench 4.0 - Manhattan (Frames) | 3716 | 3704 |
| GFXBench 4.0 - T-Rex (Frames) | 3358 | 3350 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 6821 | 9448 |
| GFXBench 4.0 - Manhattan (Fps) | 3716 | 3704 |
| GFXBench 4.0 - T-Rex (Fps) | 3358 | 3350 |
| 3DMark Fire Strike - Graphics Score | 1651 | 2276 |
Comparer les caractéristiques
| AMD Radeon HD 7870 GHz Edition | AMD Radeon HD 7970 | |
|---|---|---|
Essentiel |
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| Architecture | GCN 1.0 | GCN 1.0 |
| Nom de code | Pitcairn | Tahiti |
| Conception | AMD Radeon HD 7000 Series | AMD Radeon HD 7000 Series |
| Date de sortie | 5 March 2012 | 22 December 2011 |
| Prix de sortie (MSRP) | $349 | $549 |
| Position dans l’évaluation de la performance | 482 | 483 |
| Genre | Desktop | Desktop |
Infos techniques |
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| Vitesse augmenté | 1000 MHz | 925 MHz |
| Performance á point flottant | 2,560 gflops | 3,789 gflops |
| Processus de fabrication | 28 nm | 28 nm |
| Pipelines | 1280 | 2048 |
| Stream Processors | 1024 | 2048 |
| Taux de remplissage de la texture | 80 GTexel / s | 118.4 GTexel / s |
| Thermal Design Power (TDP) | 225 Watt | 300 Watt |
| Compte de transistor | 2,800 million | 4,313 million |
Sorties et ports de vidéo |
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| Connecteurs d’écran | 1x DVI, 1x HDMI, 2x mini-DisplayPort | 1x DVI, 1x HDMI, 2x mini-DisplayPort |
| Soutien de DisplayPort | ||
| Soutien de Dual-link DVI | ||
| Eyefinity | ||
| HDMI | ||
| VGA | ||
Compatibilité, dimensions et exigences |
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| Soutien de bus | PCIe 2.1 x16 | PCIe 2.1 x16 |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Longeur | 241 mm | 274 mm |
| Connecteurs d’énergie supplementaires | 2x 6-pin | 1x 6-pin + 1x 8-pin |
Soutien API |
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| DirectX | 11 | 11 |
| OpenGL | 4.5 | 4.5 |
Mémoire |
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| RAM maximale | 2 GB | 3 GB |
| Bande passante de la mémoire | 153.6 GB/s | 264 GB/s |
| Largeur du bus mémoire | 256 Bit | 384 Bit |
| Vitesse de mémoire | 1200 MHz | 1375 MHz |
| Genre de mémoire | GDDR5 | GDDR5 |
| Mémoire partagé | 0 | |
Technologies |
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| AMD Eyefinity | ||
| CrossFire | ||
| FreeSync | ||
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