NVIDIA GeForce GT 640 versus AMD Radeon HD 7730M
Comparaison des cartes vidéo NVIDIA GeForce GT 640 and AMD Radeon HD 7730M pour tous les caractéristiques connus dans les catégories suivants: Essentiel, Infos techniques, Sorties et ports de vidéo, Compatibilité, dimensions et exigences, Soutien API, Mémoire. 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 640
- La carte vidéo est plus nouvelle: date de sortie 1 mois plus tard
- Environ 57% plus haut vitesse du noyau: 902 MHz versus 575 MHz
- Environ 34% taux plus haut de remplissage de la texture: 28.86 GTexel / s versus 21.6 GTexel / s
- Environ 50% meilleur performance en PassMark - G3D Mark: 1173 versus 781
- Environ 38% meilleur performance en PassMark - G2D Mark: 295 versus 214
- Environ 20% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 2134 versus 1777
- Environ 20% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 2134 versus 1777
Caractéristiques | |
Date de sortie | 5 June 2012 versus 24 April 2012 |
Vitesse du noyau | 902 MHz versus 575 MHz |
Taux de remplissage de la texture | 28.86 GTexel / s versus 21.6 GTexel / s |
Performance á point flottant | 692.7 gflops versus 691.2 gflops |
Référence | |
PassMark - G3D Mark | 1173 versus 781 |
PassMark - G2D Mark | 295 versus 214 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2134 versus 1777 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2134 versus 1777 |
Raisons pour considerer le AMD Radeon HD 7730M
- Environ 33% de pipelines plus haut: 512 versus 384
- 2.6x consummation d’énergie moyen plus bas: 25 Watt versus 65 Watt
- Environ 1% plus haut de vitesse de mémoire: 1800 MHz versus 1782 MHz
- Environ 74% meilleur performance en Geekbench - OpenCL: 6551 versus 3762
- Environ 33% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 15.244 versus 11.448
- Environ 40% meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 289.172 versus 206.777
- Environ 92% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.524 versus 0.792
- Environ 73% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 25.319 versus 14.637
- 3.3x meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 69.757 versus 20.86
- Environ 36% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 3220 versus 2375
- Environ 1% meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3350 versus 3328
- Environ 36% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 3220 versus 2375
- Environ 1% meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3350 versus 3328
Caractéristiques | |
Pipelines | 512 versus 384 |
Thermal Design Power (TDP) | 25 Watt versus 65 Watt |
Vitesse de mémoire | 1800 MHz versus 1782 MHz |
Référence | |
Geekbench - OpenCL | 6551 versus 3762 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 15.244 versus 11.448 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 289.172 versus 206.777 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.524 versus 0.792 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 25.319 versus 14.637 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 69.757 versus 20.86 |
GFXBench 4.0 - Manhattan (Frames) | 3220 versus 2375 |
GFXBench 4.0 - T-Rex (Frames) | 3350 versus 3328 |
GFXBench 4.0 - Manhattan (Fps) | 3220 versus 2375 |
GFXBench 4.0 - T-Rex (Fps) | 3350 versus 3328 |
Comparer les références
GPU 1: NVIDIA GeForce GT 640
GPU 2: AMD Radeon HD 7730M
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) |
|
|
Nom | NVIDIA GeForce GT 640 | AMD Radeon HD 7730M |
---|---|---|
PassMark - G3D Mark | 1173 | 781 |
PassMark - G2D Mark | 295 | 214 |
Geekbench - OpenCL | 3762 | 6551 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 11.448 | 15.244 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 206.777 | 289.172 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.792 | 1.524 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 14.637 | 25.319 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 20.86 | 69.757 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2134 | 1777 |
GFXBench 4.0 - Manhattan (Frames) | 2375 | 3220 |
GFXBench 4.0 - T-Rex (Frames) | 3328 | 3350 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2134 | 1777 |
GFXBench 4.0 - Manhattan (Fps) | 2375 | 3220 |
GFXBench 4.0 - T-Rex (Fps) | 3328 | 3350 |
3DMark Fire Strike - Graphics Score | 1565 |
Comparer les caractéristiques
NVIDIA GeForce GT 640 | AMD Radeon HD 7730M | |
---|---|---|
Essentiel |
||
Architecture | Kepler | GCN 1.0 |
Nom de code | GK107 | Chelsea |
Date de sortie | 5 June 2012 | 24 April 2012 |
Prix de sortie (MSRP) | $99 | |
Position dans l’évaluation de la performance | 1163 | 1164 |
Prix maintenant | $59.99 | |
Genre | Desktop | Laptop |
Valeur pour le prix (0-100) | 25.25 | |
Infos techniques |
||
Vitesse du noyau | 902 MHz | 575 MHz |
Performance á point flottant | 692.7 gflops | 691.2 gflops |
Processus de fabrication | 28 nm | 28 nm |
Pipelines | 384 | 512 |
Taux de remplissage de la texture | 28.86 GTexel / s | 21.6 GTexel / s |
Thermal Design Power (TDP) | 65 Watt | 25 Watt |
Compte de transistor | 1,270 million | 1,500 million |
Vitesse augmenté | 675 MHz | |
Sorties et ports de vidéo |
||
Connecteurs d’écran | 1x DVI, 1x HDMI, 1x DisplayPort | No outputs |
Compatibilité, dimensions et exigences |
||
Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
Longeur | 145 mm | |
Connecteurs d’énergie supplementaires | None | |
Taille du laptop | medium sized | |
Soutien API |
||
DirectX | 12.0 (11_0) | 12.0 (11_1) |
OpenGL | 4.6 | 4.5 |
Mémoire |
||
RAM maximale | 2 GB | 2 GB |
Bande passante de la mémoire | 28.51 GB / s | 28.8 GB / s |
Largeur du bus mémoire | 128 Bit | 128 Bit |
Vitesse de mémoire | 1782 MHz | 1800 MHz |
Genre de mémoire | DDR3 | DDR3 |
Mémoire partagé | 0 |