AMD Radeon R7 250 vs NVIDIA GeForce FX 5800
Processeur graphique
| Nom du GPU | Cape Verde | NV30 |
|---|---|---|
| GPU variant | Cape Verde PRO | — |
| Architecture | GCN 1.0 | Rankine |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 130 nm |
| Transistors | 1,500 million | 125 million |
| Taille des matrices | 123 mm² | 199 mm² |
Carte graphique
| Date de publication | Oct 8th, 2013 | Mar 6th, 2003 |
|---|---|---|
| Génération | Volcanic Islands | GeForce FX |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 3.0 x16 | AGP 8x |
| Prédécesseur | Sea Islands | GeForce 4 Ti |
| Successeur | Pirate Islands | GeForce 6 AGP |
| Prix de lancement | — | 299 USD |
Vitesse clock
| GPU clock | 700 MHz | 400 MHz |
|---|---|---|
| Mémoire clock | 900 MHz 1800 Mbps effective | 400 MHz 800 Mbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 128 MB |
|---|---|---|
| Type de mémoire | DDR3 | GDDR2 |
| Bus mémoire | 128 bit | 128 bit |
| Bande passante | 28.80 GB/s | 12.80 GB/s |
Render Config
| Shading units | 512 | — |
|---|---|---|
| TMUs | 32 | 8 |
| ROPs | 16 | 4 |
| Compute units | 8 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| Pixel shaders | — | 4 |
| Vertex shaders | — | 2 |
Performance théorique
| Taux de pixel | 11.20 GPixel/s | 1.600 GPixel/s |
|---|---|---|
| Taux de texture | 22.40 GTexel/s | 3.200 GTexel/s |
| FP32 (float) performance | 716.8 GFLOPS | — |
| FP64 (double) performance | 44.80 GFLOPS (1:16) | — |
| Vertex rate | — | 200.0 MVertices/s |
Board Design
| Taille Slot | Single-slot | Dual-slot |
|---|---|---|
| Longueur | 168 mm 6.6 inches | 213 mm 8.4 inches |
| TDP | 55 W | 44 W |
| Suggestions pour le PSU | 250 W | 200 W |
| Sorties | 1x DVI1x HDMI1x DisplayPort | 1x DVI1x VGA1x S-Video |
| Connecteurs de puissance | None | 1x Molex |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 9.0a |
|---|---|---|
| OpenGL | 4.6 | 1.5 (2.1) |
| OpenCL | 1.2 | — |
| Vulkan | 1.2 | — |
| Shader model | 5.1 | — |
| Pixel shader | — | 2.0a |
| Vertex shader | — | 2.0a |
