AMD Radeon HD 7470 OEM vs NVIDIA GRID K120Q
Processeur graphique
| Nom du GPU | Caicos | GK107 |
|---|---|---|
| GPU variant | Khalidster | — |
| Architecture | TeraScale 2 | Kepler |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 28 nm |
| Transistors | 370 million | 1,270 million |
| Taille des matrices | 67 mm² | 118 mm² |
Carte graphique
| Date de publication | Jan 5th, 2012 | Jul 2nd, 2014 |
|---|---|---|
| Génération | Southern Islands | GRID |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Prédécesseur | Northern Islands | — |
| Successeur | Sea Islands | — |
| Prix de lancement | — | 125 USD |
Vitesse clock
| GPU clock | 750 MHz | 850 MHz |
|---|---|---|
| Mémoire clock | 900 MHz 3.6 Gbps effective | 891 MHz 1782 Mbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 512 MB |
|---|---|---|
| Type de mémoire | GDDR5 | DDR3 |
| Bus mémoire | 64 bit | 128 bit |
| Bande passante | 28.80 GB/s | 28.51 GB/s |
Render Config
| Shading units | 160 | 192 |
|---|---|---|
| TMUs | 8 | 16 |
| ROPs | 4 | 16 |
| Compute units | 2 | — |
| Cache L1 | 8 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 128 KB | 256 KB |
| Comptage SMX | — | 1 |
Performance théorique
| Taux de pixel | 3.000 GPixel/s | 3.400 GPixel/s |
|---|---|---|
| Taux de texture | 6.000 GTexel/s | 13.60 GTexel/s |
| FP32 (float) performance | 240.0 GFLOPS | 326.4 GFLOPS |
| FP64 (double) performance | — | 13.60 GFLOPS (1:24) |
Board Design
| Taille Slot | Single-slot | IGP |
|---|---|---|
| Longueur | 168 mm 6.6 inches | — |
| TDP | 27 W | 130 W |
| Suggestions pour le PSU | 200 W | 300 W |
| Sorties | 1x DVI1x DisplayPort | No outputs |
| Connecteurs de puissance | None | — |
| Board number | C264 | — |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | — | 1.1 |
| Shader model | 5.0 | 5.1 |
| CUDA | — | 3.0 |
