AMD Radeon RX 550X vs ATI Graphics Ultra Pro PCI
Processeur graphique
| Nom du GPU | Lexa | Mach32 |
|---|---|---|
| GPU variant | Lexa PRO (215-0904018) | Mach32 AX (210688AX00) |
| Architecture | GCN 4.0 | Mach |
| Fonderie | GlobalFoundries | — |
| Taille du processus | 14 nm | 700 nm |
| Transistors | 2,200 million | unknown |
| Taille des matrices | 103 mm² | 90 mm² |
Carte graphique
| Date de publication | Dec 16th, 2018 | 1993 |
|---|---|---|
| Génération | Polaris | Mach 32 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 3.0 x8 | PCI |
| Prédécesseur | Polaris | Mach 8 |
| Successeur | Vega | Mach 64 |
Vitesse clock
| Base clock | 1100 MHz | — |
|---|---|---|
| Boost clock | 1183 MHz | — |
| Mémoire clock | 1500 MHz 6 Gbps effective | 83 MHz |
| GPU clock | — | 66 MHz |
Mémoire
| Taille de la mémoire | 4 GB | 1 MB |
|---|---|---|
| Type de mémoire | GDDR5 | DRAM |
| Bus mémoire | 128 bit | 64 bit |
| Bande passante | 96.00 GB/s | 664.0 MB/s |
Render Config
| Shading units | 512 | — |
|---|---|---|
| TMUs | 32 | 0 |
| ROPs | 16 | 1 |
| Compute units | 8 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 512 KB | — |
| Pixel shaders | — | 1 |
| Vertex shaders | — | 0 |
Performance théorique
| Taux de pixel | 18.93 GPixel/s | 66.00 MPixel/s |
|---|---|---|
| Taux de texture | 37.86 GTexel/s | 0 MTexel/s |
| FP16 (half) performance | 1,211 GFLOPS (1:1) | — |
| FP32 (float) performance | 1,211 GFLOPS | — |
| FP64 (double) performance | 75.71 GFLOPS (1:16) | — |
Board Design
| Taille Slot | Dual-slot | Single-slot |
|---|---|---|
| Longueur | 145 mm 5.7 inches | — |
| TDP | 50 W | unknown |
| Suggestions pour le PSU | 250 W | 200 W |
| Sorties | 1x DVI1x HDMI1x DisplayPort | 1x VGA |
| Connecteurs de puissance | None | — |
| Board number | D090 | 254 |
Caractéristiques graphiques
| DirectX | 12 (12_0) | — |
|---|---|---|
| OpenGL | 4.6 | — |
| OpenCL | 2.1 | — |
| Vulkan | 1.2 | — |
| Shader model | 6.4 | — |
| Pixel shader | — | — |
| Vertex shader | — | — |
