AMD Radeon HD 6670 vs AMD Radeon R9 290
Processeur graphique
| Nom du GPU | Turks | Hawaii |
|---|---|---|
| GPU variant | Turks XT (215-0803000) | Hawaii PRO (215-0852020) |
| Architecture | TeraScale 2 | GCN 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 28 nm |
| Transistors | 716 million | 6,200 million |
| Taille des matrices | 118 mm² | 438 mm² |
Carte graphique
| Date de publication | Apr 19th, 2011 | Nov 5th, 2013 |
|---|---|---|
| Génération | Northern Islands | Volcanic Islands |
| Production | End-of-life | End-of-life |
| Prix de lancement | 99 USD | 399 USD |
| Bus interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Critiques | 35 in our database | 69 in our database |
| Prédécesseur | Evergreen | Sea Islands |
| Successeur | Southern Islands | Pirate Islands |
Vitesse clock
| GPU clock | 800 MHz | 947 MHz |
|---|---|---|
| Mémoire clock | 1000 MHz 4 Gbps effective | 1250 MHz 5 Gbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 4 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 128 bit | 512 bit |
| Bande passante | 64.00 GB/s | 320.0 GB/s |
Render Config
| Shading units | 480 | 2560 |
|---|---|---|
| TMUs | 24 | 160 |
| ROPs | 8 | 64 |
| Compute units | 6 | 40 |
| Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 1024 KB |
Performance théorique
| Taux de pixel | 6.400 GPixel/s | 60.61 GPixel/s |
|---|---|---|
| Taux de texture | 19.20 GTexel/s | 151.5 GTexel/s |
| FP32 (float) performance | 768.0 GFLOPS | 4.849 TFLOPS |
| FP64 (double) performance | — | 606.1 GFLOPS (1:8) |
Board Design
| Taille Slot | Single-slot | Dual-slot |
|---|---|---|
| Longueur | 168 mm 6.6 inches | 275 mm 10.8 inches |
| TDP | 66 W | 275 W |
| Suggestions pour le PSU | 250 W | 600 W |
| Sorties | 1x DVI1x HDMI1x VGA | 2x DVI1x HDMI1x DisplayPort |
| Connecteurs de puissance | None | 1x 6-pin + 1x 8-pin |
| Board number | C334 | C671-57 |
| Taille | — | 109 mm 4.3 inches |
| Taille | — | 36 mm 1.4 inches |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | — | 1.2 |
| Shader model | 5.0 | 6.3 |
