AMD Radeon R5 340X OEM vs AMD Radeon R7 250
Processeur graphique
| Nom du GPU | Oland | Cape Verde |
|---|---|---|
| GPU variant | Oland XT (215-0837000) | Cape Verde PRO |
| Architecture | GCN 1.0 | GCN 1.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 950 million | 1,500 million |
| Taille des matrices | 77 mm² | 123 mm² |
Carte graphique
| Date de publication | May 5th, 2015 | Oct 8th, 2013 |
|---|---|---|
| Génération | Pirate Islands | Volcanic Islands |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Prédécesseur | Volcanic Islands | Sea Islands |
| Successeur | Arctic Islands | Pirate Islands |
Vitesse clock
| GPU clock | 900 MHz | 700 MHz |
|---|---|---|
| Mémoire clock | 1000 MHz 2 Gbps effective | 900 MHz 1800 Mbps effective |
Mémoire
| Taille de la mémoire | 2 GB | 1024 MB |
|---|---|---|
| Type de mémoire | DDR3 | DDR3 |
| Bus mémoire | 64 bit | 128 bit |
| Bande passante | 16.00 GB/s | 28.80 GB/s |
Render Config
| Shading units | 384 | 512 |
|---|---|---|
| TMUs | 24 | 32 |
| ROPs | 8 | 16 |
| Compute units | 6 | 8 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 128 KB | 256 KB |
Performance théorique
| Taux de pixel | 7.200 GPixel/s | 11.20 GPixel/s |
|---|---|---|
| Taux de texture | 21.60 GTexel/s | 22.40 GTexel/s |
| FP32 (float) performance | 691.2 GFLOPS | 716.8 GFLOPS |
| FP64 (double) performance | 43.20 GFLOPS (1:16) | 44.80 GFLOPS (1:16) |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 145 mm 5.7 inches | 168 mm 6.6 inches |
| TDP | 65 W | 55 W |
| Suggestions pour le PSU | 250 W | 250 W |
| Sorties | 1x DVI1x DisplayPort | 1x DVI1x HDMI1x DisplayPort |
| Connecteurs de puissance | None | None |
| Board number | C870-51 | — |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (11_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 5.1 |
