NVIDIA GeForce GT 745M versus ATI FirePro M7820
Comparaison des cartes vidéo NVIDIA GeForce GT 745M and ATI FirePro M7820 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 2 ans 11 mois plus tard
- Environ 20% plus haut vitesse du noyau: 837 MHz versus 700 MHz
- Un nouveau processus de fabrication soutient une carte vidéo plus forte, mais moins chaude: 28 nm versus 40 nm
- Environ 11% consummation d’énergie moyen plus bas: 45 Watt versus 50 Watt
- 2x plus de taille maximale de mémoire : 2 GB versus 1 GB
- 2.1x meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 10.489 versus 4.956
- Environ 16% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 3133 versus 2709
- Environ 16% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 3133 versus 2709
| Caractéristiques | |
| Date de sortie | 1 April 2013 versus 1 May 2010 |
| Vitesse du noyau | 837 MHz versus 700 MHz |
| Processus de fabrication | 28 nm versus 40 nm |
| Thermal Design Power (TDP) | 45 Watt versus 50 Watt |
| Taille de mémore maximale | 2 GB versus 1 GB |
| Référence | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.489 versus 4.956 |
| GFXBench 4.0 - Manhattan (Frames) | 3133 versus 2709 |
| GFXBench 4.0 - Manhattan (Fps) | 3133 versus 2709 |
Raisons pour considerer le ATI FirePro M7820
- Environ 5% taux plus haut de remplissage de la texture: 28 GTexel / s versus 26.78 GTexel / s
- 2.1x plus de pipelines: 800 versus 384
- Environ 74% de meilleur performance á point flottant: 1,120.0 gflops versus 642.8 gflops
- 2.2x plus de vitesse de mémoire: 4000 MHz versus 1800 MHz
- 4.6x meilleur performance en Geekbench - OpenCL: 15792 versus 3468
- 3x meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 600.944 versus 202.905
- Environ 32% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.869 versus 0.66
- 2.6x meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 21.146 versus 8.184
- 5.4x meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 103.902 versus 19.323
| Caractéristiques | |
| Taux de remplissage de la texture | 28 GTexel / s versus 26.78 GTexel / s |
| Pipelines | 800 versus 384 |
| Performance á point flottant | 1,120.0 gflops versus 642.8 gflops |
| Vitesse de mémoire | 4000 MHz versus 1800 MHz |
| Référence | |
| Geekbench - OpenCL | 15792 versus 3468 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 600.944 versus 202.905 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.869 versus 0.66 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.146 versus 8.184 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 103.902 versus 19.323 |
Comparer les références
GPU 1: NVIDIA GeForce GT 745M
GPU 2: ATI FirePro M7820
| 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 - Manhattan (Frames) |
|
|
||||
| GFXBench 4.0 - Manhattan (Fps) |
|
|
| Nom | NVIDIA GeForce GT 745M | ATI FirePro M7820 |
|---|---|---|
| PassMark - G3D Mark | 1095 | |
| PassMark - G2D Mark | 180 | |
| Geekbench - OpenCL | 3468 | 15792 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.489 | 4.956 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 202.905 | 600.944 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.66 | 0.869 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 8.184 | 21.146 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 19.323 | 103.902 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2255 | |
| GFXBench 4.0 - Manhattan (Frames) | 3133 | 2709 |
| GFXBench 4.0 - T-Rex (Frames) | 3352 | |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2255 | |
| GFXBench 4.0 - Manhattan (Fps) | 3133 | 2709 |
| GFXBench 4.0 - T-Rex (Fps) | 3352 | |
| 3DMark Fire Strike - Graphics Score | 0 |
Comparer les caractéristiques
| NVIDIA GeForce GT 745M | ATI FirePro M7820 | |
|---|---|---|
Essentiel |
||
| Architecture | Kepler | TeraScale 2 |
| Nom de code | GK107 | Broadway |
| Date de sortie | 1 April 2013 | 1 May 2010 |
| Position dans l’évaluation de la performance | 1274 | 1276 |
| Genre | Laptop | Mobile workstation |
Infos techniques |
||
| Vitesse du noyau | 837 MHz | 700 MHz |
| Performance á point flottant | 642.8 gflops | 1,120.0 gflops |
| Processus de fabrication | 28 nm | 40 nm |
| Pipelines | 384 | 800 |
| Taux de remplissage de la texture | 26.78 GTexel / s | 28 GTexel / s |
| Thermal Design Power (TDP) | 45 Watt | 50 Watt |
| Compte de transistor | 1,270 million | 1,040 million |
Sorties et ports de vidéo |
||
| Audio HD reseau 7.1 sur HDMI | ||
| Connecteurs d’écran | No outputs | 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 |
||
| Soutien de bus | PCI Express 3.0 | |
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Taille du laptop | medium sized | large |
| Connecteurs d’énergie supplementaires | None | |
Soutien API |
||
| DirectX | 12 API | 11.2 (11_0) |
| OpenCL | 1.1 | |
| OpenGL | 4.5 | 4.4 |
Mémoire |
||
| RAM maximale | 2 GB | 1 GB |
| Bande passante de la mémoire | 28.8 GB / s | 64.0 GB / s |
| Largeur du bus mémoire | 128 Bit | 128 Bit |
| Vitesse de mémoire | 1800 MHz | 4000 MHz |
| Genre de mémoire | DDR3, GDDR5 | GDDR5 |
| Mémoire partagé | 0 | 0 |
| Configuration standard de la mémoire | DDR3 / GDDR5 | |
Technologies |
||
| 3D Vision | ||
| 3D Vision / 3DTV Play | ||
| Blu-Ray 3D Support | ||
| CUDA | ||
| Direct Compute | ||
| FXAA | ||
| H.264, VC1, MPEG2 1080p video decoder | ||
| Optimus | ||
Navigation
Choisir un GPU
Comparer les cartes vidéo
Comparer NVIDIA GeForce GT 745M avec des autres
NVIDIAGeForce GT 745M vs
NVIDIAQuadro FX 2800M
NVIDIAGeForce GT 745M vs
ATIFirePro M7820
NVIDIAGeForce GT 745M vs
NVIDIAGeForce GTX 660M
NVIDIAGeForce GT 745M vs
AMDRadeon HD 8650G
NVIDIAGeForce GT 745M vs
NVIDIAGeForce GT 640 Rev. 2
NVIDIAGeForce GT 745M vs
AMDRadeon R5 235 OEM
