AMD Radeon R9 390X vs AMD Radeon RX 590 GME
Processeur graphique
| Nom du GPU | Grenada | Polaris 20 |
|---|---|---|
| GPU variant | Grenada XT (215-0880004) | Polaris 20 XTR (215-0910066) |
| Architecture | GCN 2.0 | GCN 4.0 |
| Fonderie | TSMC | GlobalFoundries |
| Taille du processus | 28 nm | 14 nm |
| Transistors | 6,200 million | 5,700 million |
| Taille des matrices | 438 mm² | 232 mm² |
Carte graphique
| Date de publication | Jun 18th, 2015 | Mar 9th, 2020 |
|---|---|---|
| Génération | Pirate Islands | Polaris |
| Production | End-of-life | Active |
| Prix de lancement | 429 USD | — |
| Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Critiques | 60 in our database | — |
| Prédécesseur | Volcanic Islands | Arctic Islands |
| Successeur | Arctic Islands | Vega |
Vitesse clock
| GPU clock | 1050 MHz | — |
|---|---|---|
| Mémoire clock | 1500 MHz 6 Gbps effective | 2000 MHz 8 Gbps effective |
| Base clock | — | 1257 MHz |
| Boost clock | — | 1380 MHz |
Mémoire
| Taille de la mémoire | 8 GB | 8 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 512 bit | 256 bit |
| Bande passante | 384.0 GB/s | 256.0 GB/s |
Render Config
| Shading units | 2816 | 2304 |
|---|---|---|
| TMUs | 176 | 144 |
| ROPs | 64 | 32 |
| Compute units | 44 | 36 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 1024 KB | 2 MB |
Performance théorique
| Taux de pixel | 67.20 GPixel/s | 44.16 GPixel/s |
|---|---|---|
| Taux de texture | 184.8 GTexel/s | 198.7 GTexel/s |
| FP32 (float) performance | 5.914 TFLOPS | 6.359 TFLOPS |
| FP64 (double) performance | 739.2 GFLOPS (1:8) | 397.4 GFLOPS (1:16) |
| FP16 (half) performance | — | 6.359 TFLOPS (1:1) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 275 mm 10.8 inches | 241 mm 9.5 inches |
| Taille | 109 mm 4.3 inches | — |
| Taille | 36 mm 1.4 inches | — |
| TDP | 275 W | 175 W |
| Suggestions pour le PSU | 600 W | 450 W |
| Sorties | 2x DVI1x HDMI1x DisplayPort | 1x HDMI3x DisplayPort |
| Connecteurs de puissance | 1x 6-pin + 1x 8-pin | 1x 8-pin |
| Board number | C671, C679-37 | C940 |
Caractéristiques graphiques
| DirectX | 12 (12_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.3 | 6.4 |
