AMD Radeon HD 7670M Rebrand vs NVIDIA GeForce GT 555M
Processeur graphique
| Nom du GPU | Whistler | GF106 |
|---|---|---|
| GPU variant | Whistler XT (216-0810001) | N12E-GE-B-A1 |
| Architecture | TeraScale 2 | Fermi |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 40 nm |
| Transistors | 716 million | 1,170 million |
| Taille des matrices | 104 mm² | 238 mm² |
Graphiques mobiles
| Date de publication | Jul 1st, 2012 | Oct 27th, 2011 |
|---|---|---|
| Génération | London (HD 7600M) | GeForce 500M |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Prédécesseur | Vancouver | GeForce 400M |
| Successeur | Solar System | GeForce 600M |
Vitesse clock
| GPU clock | 600 MHz | 525 MHz |
|---|---|---|
| Mémoire clock | 900 MHz 1800 Mbps effective | 900 MHz 1800 Mbps effective |
| Shader clock | — | 1050 MHz |
Mémoire
| Taille de la mémoire | 1024 MB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR3 | DDR3 |
| Bus mémoire | 128 bit | 128 bit |
| Bande passante | 28.80 GB/s | 28.80 GB/s |
Render Config
| Shading units | 480 | 144 |
|---|---|---|
| TMUs | 24 | 24 |
| ROPs | 16 | 16 |
| Compute units | 6 | — |
| Cache L1 | 8 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 256 KB | 256 KB |
| Comptage SM | — | 3 |
Performance théorique
| Taux de pixel | 9.600 GPixel/s | 3.150 GPixel/s |
|---|---|---|
| Taux de texture | 14.40 GTexel/s | 12.60 GTexel/s |
| FP32 (float) performance | 576.0 GFLOPS | 302.4 GFLOPS |
| FP64 (double) performance | — | 25.20 GFLOPS (1:12) |
Board Design
| TDP | 20 W | 35 W |
|---|---|---|
| Sorties | No outputs | No outputs |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | — | — |
| Shader model | 5.0 | 5.1 |
| CUDA | — | 2.1 |
