AMD Radeon RX 550 vs AMD Radeon RX 6500 XT
Processeur graphique
| Nom du GPU | Lexa | Navi 24 |
|---|---|---|
| GPU variant | Lexa PRO (215-0904018) | — |
| Architecture | GCN 4.0 | RDNA 2.0 |
| Fonderie | GlobalFoundries | TSMC |
| Taille du processus | 14 nm | 7 nm |
| Transistors | 2,200 million | unknown |
| Taille des matrices | 103 mm² | unknown |
Carte graphique
| Date de publication | Apr 20th, 2017 | Unknown |
|---|---|---|
| Génération | Polaris | Navi II |
| Production | End-of-life | Unreleased |
| Prix de lancement | 79 USD | — |
| Bus interface | PCIe 3.0 x8 | PCIe 4.0 x8 |
| Prédécesseur | Arctic Islands | Navi |
| Successeur | Vega | Navi III |
Vitesse clock
| Base clock | 1100 MHz | 2200 MHz |
|---|---|---|
| Boost clock | 1183 MHz | 2500 MHz |
| Mémoire clock | 1750 MHz 7 Gbps effective | 2000 MHz 16 Gbps effective |
Mémoire
| Taille de la mémoire | 2 GB | 4 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR6 |
| Bus mémoire | 128 bit | 64 bit |
| Bande passante | 112.0 GB/s | 128.0 GB/s |
Render Config
| Shading units | 512 | 1024 |
|---|---|---|
| TMUs | 32 | 64 |
| ROPs | 16 | 32 |
| Compute units | 8 | 16 |
| Cache L1 | 16 KB (per CU) | 128 KB per Array |
| Cache L2 | 512 KB | 1024 KB |
| RT cores | — | 16 |
| gpu.details.l0-cache | — | 32 KB per WGP |
| gpu.details.l3-cache | — | 16 MB |
Performance théorique
| Taux de pixel | 18.93 GPixel/s | 80.00 GPixel/s |
|---|---|---|
| Taux de texture | 37.86 GTexel/s | 160.0 GTexel/s |
| FP16 (half) performance | 1,211 GFLOPS (1:1) | 10.24 TFLOPS (2:1) |
| FP32 (float) performance | 1,211 GFLOPS | 5.120 TFLOPS |
| FP64 (double) performance | 75.71 GFLOPS (1:16) | 320.0 GFLOPS (1:16) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 145 mm 5.7 inches | — |
| TDP | 50 W | 100 W |
| Suggestions pour le PSU | 250 W | 300 W |
| Sorties | 1x DVI1x HDMI1x DisplayPort | 1x HDMI2x DisplayPort |
| Connecteurs de puissance | None | 1x 6-pin |
| Board number | D090-01 | — |
Caractéristiques graphiques
| DirectX | 12 (12_0) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.6 |
