AMD Radeon HD 6870 vs AMD Radeon RX Vega 64 Liquid Cooling
Processeur graphique
| Nom du GPU | Barts | Vega 10 |
|---|---|---|
| GPU variant | Barts XT (215-0798000) | Vega 10 XTX |
| Architecture | TeraScale 2 | GCN 5.0 |
| Fonderie | TSMC | GlobalFoundries |
| Taille du processus | 40 nm | 14 nm |
| Transistors | 1,700 million | 12,500 million |
| Taille des matrices | 255 mm² | 495 mm² |
Carte graphique
| Date de publication | Oct 21st, 2010 | Aug 7th, 2017 |
|---|---|---|
| Génération | Northern Islands | Vega |
| Production | End-of-life | Active |
| Prix de lancement | 239 USD | 699 USD |
| Bus interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Critiques | 170 in our database | — |
| Prédécesseur | Evergreen | Polaris |
| Successeur | Southern Islands | Navi |
Vitesse clock
| GPU clock | 900 MHz | — |
|---|---|---|
| Mémoire clock | 1050 MHz 4.2 Gbps effective | 945 MHz 1890 Mbps effective |
| Base clock | — | 1406 MHz |
| Boost clock | — | 1677 MHz |
Mémoire
| Taille de la mémoire | 1024 MB | 8 GB |
|---|---|---|
| Type de mémoire | GDDR5 | HBM2 |
| Bus mémoire | 256 bit | 2048 bit |
| Bande passante | 134.4 GB/s | 483.8 GB/s |
Render Config
| Shading units | 1120 | 4096 |
|---|---|---|
| TMUs | 56 | 256 |
| ROPs | 32 | 64 |
| Compute units | 14 | 64 |
| Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 512 KB | 4 MB |
Performance théorique
| Taux de pixel | 28.80 GPixel/s | 107.3 GPixel/s |
|---|---|---|
| Taux de texture | 50.40 GTexel/s | 429.3 GTexel/s |
| FP32 (float) performance | 2.016 TFLOPS | 13.74 TFLOPS |
| FP16 (half) performance | — | 27.48 TFLOPS (2:1) |
| FP64 (double) performance | — | 858.6 GFLOPS (1:16) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 247 mm 9.7 inches | 272 mm 10.7 inches |
| Taille | 111 mm 4.4 inches | 112 mm 4.4 inches |
| Taille | 36 mm 1.4 inches | 40 mm 1.6 inches |
| TDP | 151 W | 345 W |
| Suggestions pour le PSU | 450 W | 700 W |
| Sorties | 2x DVI1x HDMI2x mini-DisplayPort | 1x HDMI3x DisplayPort |
| Connecteurs de puissance | 2x 6-pin | 2x 8-pin |
| Board number | C222 | D05005 |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | — | 1.2 |
| Shader model | 5.0 | 6.4 |
