AMD Radeon R9 280X vs AMD Radeon RX 5500 XT
Processeur graphique
| Nom du GPU | Tahiti | Navi 14 |
|---|---|---|
| GPU variant | Tahiti XTL (215-0821065) | Navi 14 XTX (215-0932396) |
| Architecture | GCN 1.0 | RDNA 1.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 7 nm |
| Transistors | 4,313 million | 6,400 million |
| Taille des matrices | 352 mm² | 158 mm² |
Carte graphique
| Date de publication | Oct 8th, 2013 | Dec 12th, 2019 |
|---|---|---|
| Génération | Volcanic Islands | Navi |
| Production | End-of-life | Active |
| Prix de lancement | 299 USD | 169 USD |
| Bus interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| Critiques | 105 in our database | 49 in our database |
| Prédécesseur | Sea Islands | Vega |
| Successeur | Pirate Islands | Navi II |
Vitesse clock
| Base clock | 850 MHz | 1607 MHz |
|---|---|---|
| Boost clock | 1000 MHz | 1845 MHz |
| Mémoire clock | 1500 MHz 6 Gbps effective | 1750 MHz 14 Gbps effective |
| Game clock | — | 1717 MHz |
Mémoire
| Taille de la mémoire | 3 GB | 4 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR6 |
| Bus mémoire | 384 bit | 128 bit |
| Bande passante | 288.0 GB/s | 224.0 GB/s |
Render Config
| Shading units | 2048 | 1408 |
|---|---|---|
| TMUs | 128 | 88 |
| ROPs | 32 | 32 |
| Compute units | 32 | 22 |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 768 KB | 2 MB |
Performance théorique
| Taux de pixel | 32.00 GPixel/s | 59.04 GPixel/s |
|---|---|---|
| Taux de texture | 128.0 GTexel/s | 162.4 GTexel/s |
| FP32 (float) performance | 4.096 TFLOPS | 5.196 TFLOPS |
| FP64 (double) performance | 1,024 GFLOPS (1:4) | 324.7 GFLOPS (1:16) |
| FP16 (half) performance | — | 10.39 TFLOPS (2:1) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 275 mm 10.8 inches | 180 mm 7.1 inches |
| Taille | 109 mm 4.3 inches | — |
| Taille | 36 mm 1.4 inches | — |
| TDP | 250 W | 130 W |
| Suggestions pour le PSU | 600 W | 300 W |
| Sorties | 2x DVI1x HDMI1x DisplayPort | 1x HDMI3x DisplayPort |
| Connecteurs de puissance | 1x 6-pin + 1x 8-pin | 1x 8-pin |
| Board number | C386 | 109-D33257 |
| Numéro de pièce | — | 102-D33220 |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.5 |
