AMD Radeon R9 280X vs AMD Radeon RX 460
Processeur graphique
| Nom du GPU | Tahiti | Baffin |
|---|---|---|
| GPU variant | Tahiti XTL (215-0821065) | Baffin PRO |
| Architecture | GCN 1.0 | GCN 4.0 |
| Fonderie | TSMC | GlobalFoundries |
| Taille du processus | 28 nm | 14 nm |
| Transistors | 4,313 million | 3,000 million |
| Taille des matrices | 352 mm² | 123 mm² |
Carte graphique
| Date de publication | Oct 8th, 2013 | Aug 8th, 2016 |
|---|---|---|
| Génération | Volcanic Islands | Arctic Islands |
| Production | End-of-life | Active |
| Prix de lancement | 299 USD | — |
| Bus interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
| Critiques | 105 in our database | — |
| Prédécesseur | Sea Islands | Pirate Islands |
| Successeur | Pirate Islands | Polaris |
Vitesse clock
| Base clock | 850 MHz | 1090 MHz |
|---|---|---|
| Boost clock | 1000 MHz | 1200 MHz |
| Mémoire clock | 1500 MHz 6 Gbps effective | 1750 MHz 7 Gbps effective |
Mémoire
| Taille de la mémoire | 3 GB | 2 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 384 bit | 128 bit |
| Bande passante | 288.0 GB/s | 112.0 GB/s |
Render Config
| Shading units | 2048 | 896 |
|---|---|---|
| TMUs | 128 | 56 |
| ROPs | 32 | 16 |
| Compute units | 32 | 14 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 768 KB | 1024 KB |
Performance théorique
| Taux de pixel | 32.00 GPixel/s | 19.20 GPixel/s |
|---|---|---|
| Taux de texture | 128.0 GTexel/s | 67.20 GTexel/s |
| FP32 (float) performance | 4.096 TFLOPS | 2.150 TFLOPS |
| FP64 (double) performance | 1,024 GFLOPS (1:4) | 134.4 GFLOPS (1:16) |
| FP16 (half) performance | — | 2.150 TFLOPS (1:1) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 275 mm 10.8 inches | 170 mm 6.7 inches |
| Taille | 109 mm 4.3 inches | — |
| Taille | 36 mm 1.4 inches | — |
| TDP | 250 W | 75 W |
| Suggestions pour le PSU | 600 W | 250 W |
| Sorties | 2x DVI1x HDMI1x DisplayPort | 1x DVI1x HDMI1x DisplayPort |
| Connecteurs de puissance | 1x 6-pin + 1x 8-pin | None |
| Board number | C386 | C994 |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.4 |
