AMD Radeon R7 250 vs ATI Radeon 7500 Mac Edition
Processeur graphique
| Nom du GPU | Cape Verde | RV200 |
|---|---|---|
| GPU variant | Cape Verde PRO | — |
| Architecture | GCN 1.0 | Rage 7 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 150 nm |
| Transistors | 1,500 million | 60 million |
| Taille des matrices | 123 mm² | 83 mm² |
Carte graphique
| Date de publication | Oct 8th, 2013 | Apr 16th, 2002 |
|---|---|---|
| Génération | Volcanic Islands | Radeon R200 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 3.0 x16 | AGP 4x |
| Prédécesseur | Sea Islands | Radeon R100 |
| Successeur | Pirate Islands | Radeon R300 |
Vitesse clock
| GPU clock | 700 MHz | 260 MHz |
|---|---|---|
| Mémoire clock | 900 MHz 1800 Mbps effective | 180 MHz 360 Mbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 32 MB |
|---|---|---|
| Type de mémoire | DDR3 | DDR |
| Bus mémoire | 128 bit | 128 bit |
| Bande passante | 28.80 GB/s | 5.760 GB/s |
Render Config
| Shading units | 512 | — |
|---|---|---|
| TMUs | 32 | 6 |
| ROPs | 16 | 2 |
| Compute units | 8 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| Pixel shaders | — | 2 |
| Vertex shaders | — | 1 |
Performance théorique
| Taux de pixel | 11.20 GPixel/s | 520.0 MPixel/s |
|---|---|---|
| Taux de texture | 22.40 GTexel/s | 1.560 GTexel/s |
| FP32 (float) performance | 716.8 GFLOPS | — |
| FP64 (double) performance | 44.80 GFLOPS (1:16) | — |
| Vertex rate | — | 65.00 MVertices/s |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 168 mm 6.6 inches | — |
| TDP | 55 W | 23 W |
| Suggestions pour le PSU | 250 W | 200 W |
| Sorties | 1x DVI1x HDMI1x DisplayPort | 1x DVI1x VGA |
| Connecteurs de puissance | None | None |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 7.0 |
|---|---|---|
| OpenGL | 4.6 | 1.3 |
| OpenCL | 1.2 | — |
| Vulkan | 1.2 | — |
| Shader model | 5.1 | — |
| Pixel shader | — | 1.4 |
| Vertex shader | — | 1.1 |
