AMD FireStream 9250 vs AMD Radeon HD 7730
Processeur graphique
| Nom du GPU | RV770 | Cape Verde |
|---|---|---|
| GPU variant | RV770 PRO | Cape Verde LE |
| Architecture | TeraScale | GCN 1.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 55 nm | 28 nm |
| Transistors | 956 million | 1,500 million |
| Taille des matrices | 256 mm² | 123 mm² |
Carte graphique
| Date de publication | Jun 16th, 2008 | May 1st, 2013 |
|---|---|---|
| Génération | FireStream | Southern Islands |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Prix de lancement | — | 59 USD |
| Critiques | — | 11 in our database |
| Prédécesseur | — | Northern Islands |
| Successeur | — | Sea Islands |
Vitesse clock
| GPU clock | 625 MHz | 800 MHz |
|---|---|---|
| Mémoire clock | 993 MHz 1986 Mbps effective | 1125 MHz 4.5 Gbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR5 |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 63.55 GB/s | 72.00 GB/s |
Render Config
| Shading units | 800 | 384 |
|---|---|---|
| TMUs | 40 | 24 |
| ROPs | 16 | 8 |
| Compute units | 10 | 6 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 256 KB |
Performance théorique
| Taux de pixel | 10.00 GPixel/s | 6.400 GPixel/s |
|---|---|---|
| Taux de texture | 25.00 GTexel/s | 19.20 GTexel/s |
| FP32 (float) performance | 1,000 GFLOPS | 614.4 GFLOPS |
| FP64 (double) performance | 200.0 GFLOPS (1:5) | 38.40 GFLOPS (1:16) |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 234 mm 9.2 inches | 168 mm 6.6 inches |
| Taille | 111 mm 4.4 inches | — |
| TDP | 150 W | 47 W |
| Suggestions pour le PSU | 450 W | 200 W |
| Sorties | 1x DVI | 1x DVI1x HDMI1x DisplayPort |
| Connecteurs de puissance | 1x 6-pin | None |
| Board number | — | C445 |
Caractéristiques graphiques
| DirectX | 10.1 (10_1) | 12 (11_1) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | — | 1.2 |
| Shader model | 4.1 | 5.1 |
