NVIDIA GeForce GT 745M versus AMD Radeon HD 7400G
Comparaison des cartes vidéo NVIDIA GeForce GT 745M and AMD Radeon HD 7400G 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 NVIDIA GeForce GT 745M
- La carte vidéo est plus nouvelle: date de sortie 7 mois plus tard
- 2.6x plus de vitesse du noyau: 837 MHz versus 327 MHz
- 2x plus de pipelines: 384 versus 192
- Un nouveau processus de fabrication soutient une carte vidéo plus forte, mais moins chaude: 28 nm versus 32 nm
- 4.1x meilleur performance en PassMark - G3D Mark: 1093 versus 267
- Environ 64% meilleur performance en PassMark - G2D Mark: 179 versus 109
- 5.8x meilleur performance en Geekbench - OpenCL: 3439 versus 592
- Environ 65% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 3133 versus 1894
- Environ 9% meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3352 versus 3083
- Environ 65% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 3133 versus 1894
- Environ 9% meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3352 versus 3083
| Caractéristiques | |
| Date de sortie | 1 April 2013 versus 1 September 2012 |
| Vitesse du noyau | 837 MHz versus 327 MHz |
| Pipelines | 384 versus 192 |
| Processus de fabrication | 28 nm versus 32 nm |
| Référence | |
| PassMark - G3D Mark | 1093 versus 267 |
| PassMark - G2D Mark | 179 versus 109 |
| Geekbench - OpenCL | 3439 versus 592 |
| GFXBench 4.0 - Manhattan (Frames) | 3133 versus 1894 |
| GFXBench 4.0 - T-Rex (Frames) | 3352 versus 3083 |
| GFXBench 4.0 - Manhattan (Fps) | 3133 versus 1894 |
| GFXBench 4.0 - T-Rex (Fps) | 3352 versus 3083 |
Comparer les références
GPU 1: NVIDIA GeForce GT 745M
GPU 2: AMD Radeon HD 7400G
| PassMark - G3D Mark |
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| PassMark - G2D Mark |
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| Geekbench - OpenCL |
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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 745M | AMD Radeon HD 7400G |
|---|---|---|
| PassMark - G3D Mark | 1093 | 267 |
| PassMark - G2D Mark | 179 | 109 |
| Geekbench - OpenCL | 3439 | 592 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.489 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 202.905 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.66 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 8.184 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 19.323 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2255 | |
| GFXBench 4.0 - Manhattan (Frames) | 3133 | 1894 |
| GFXBench 4.0 - T-Rex (Frames) | 3352 | 3083 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2255 | |
| GFXBench 4.0 - Manhattan (Fps) | 3133 | 1894 |
| GFXBench 4.0 - T-Rex (Fps) | 3352 | 3083 |
| 3DMark Fire Strike - Graphics Score | 0 |
Comparer les caractéristiques
| NVIDIA GeForce GT 745M | AMD Radeon HD 7400G | |
|---|---|---|
Essentiel |
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| Architecture | Kepler | Terascale 3 |
| Nom de code | GK107 | Trinity |
| Date de sortie | 1 April 2013 | 1 September 2012 |
| Position dans l’évaluation de la performance | 1287 | 1288 |
| Genre | Laptop | Laptop |
Infos techniques |
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| Vitesse du noyau | 837 MHz | 327 MHz |
| Performance á point flottant | 642.8 gflops | |
| Processus de fabrication | 28 nm | 32 nm |
| Pipelines | 384 | 192 |
| Taux de remplissage de la texture | 26.78 GTexel / s | |
| Thermal Design Power (TDP) | 45 Watt | |
| Compte de transistor | 1,270 million | |
| Vitesse augmenté | 423 MHz | |
Sorties et ports de vidéo |
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| Audio HD reseau 7.1 sur HDMI | ||
| Connecteurs d’écran | No outputs | |
| Soutien de DisplayPort Multimode (DP++) | Up to 3840x2160 | |
| Soutien du signal sDP 1.2 | Up to 3840x2160 | |
| Protection du contenu HDCP | ||
| HDMI | ||
| Support du signale LVDS | Up to 1920x1200 | |
| Bitstreaming d’audio TrueHD et DTS-HD | ||
| Soutien de l’écran analog VGA | Up to 2048x1536 | |
Compatibilité, dimensions et exigences |
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| Soutien de bus | PCI Express 3.0 | |
| Interface | PCIe 3.0 x16 | |
| Taille du laptop | medium sized | medium sized |
Soutien API |
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| DirectX | 12 API | 11 |
| OpenCL | 1.1 | |
| OpenGL | 4.5 | |
Mémoire |
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| RAM maximale | 2 GB | |
| Bande passante de la mémoire | 28.8 GB / s | |
| Largeur du bus mémoire | 128 Bit | |
| Vitesse de mémoire | 1800 MHz | |
| Genre de mémoire | DDR3, GDDR5 | |
| Mémoire partagé | 0 | 1 |
| Configuration standard de la mémoire | DDR3 / GDDR5 | |
Technologies |
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| 3D Vision | ||
| 3D Vision / 3DTV Play | ||
| Blu-Ray 3D Support | ||
| CUDA | ||
| Direct Compute | ||
| FXAA | ||
| H.264, VC1, MPEG2 1080p video decoder | ||
| Optimus | ||
Navigation
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