AMD Radeon R7 450 OEM vs AMD Radeon RX 470
Processeur graphique
| Nom du GPU | Cape Verde | Ellesmere |
|---|---|---|
| GPU variant | Cape Verde PRX | Polaris 10 PRO (215-0876204) |
| Architecture | GCN 1.0 | GCN 4.0 |
| Fonderie | TSMC | GlobalFoundries |
| Taille du processus | 28 nm | 14 nm |
| Transistors | 1,500 million | 5,700 million |
| Taille des matrices | 123 mm² | 232 mm² |
Carte graphique
| Date de publication | Jun 30th, 2016 | Aug 4th, 2016 |
|---|---|---|
| Génération | Arctic Islands | Arctic Islands |
| Production | End-of-life | Active |
| Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Prédécesseur | Pirate Islands | Pirate Islands |
| Successeur | Polaris | Polaris |
| Prix de lancement | — | 179 USD |
| Critiques | — | 46 in our database |
Vitesse clock
| GPU clock | 925 MHz | — |
|---|---|---|
| Mémoire clock | 1125 MHz 4.5 Gbps effective | 1650 MHz 6.6 Gbps effective |
| Base clock | — | 926 MHz |
| Boost clock | — | 1206 MHz |
Mémoire
| Taille de la mémoire | 2 GB | 4 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 128 bit | 256 bit |
| Bande passante | 72.00 GB/s | 211.2 GB/s |
Render Config
| Shading units | 512 | 2048 |
|---|---|---|
| TMUs | 32 | 128 |
| ROPs | 16 | 32 |
| Compute units | 8 | 32 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 2 MB |
Performance théorique
| Taux de pixel | 14.80 GPixel/s | 38.59 GPixel/s |
|---|---|---|
| Taux de texture | 29.60 GTexel/s | 154.4 GTexel/s |
| FP32 (float) performance | 947.2 GFLOPS | 4.940 TFLOPS |
| FP64 (double) performance | 59.20 GFLOPS (1:16) | 308.7 GFLOPS (1:16) |
| FP16 (half) performance | — | 4.940 TFLOPS (1:1) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| TDP | 65 W | 120 W |
| Suggestions pour le PSU | 250 W | 300 W |
| Sorties | No outputs | 1x HDMI3x DisplayPort |
| Connecteurs de puissance | 1x 6-pin | 1x 6-pin |
| Board number | C750 C906 | C940, D000-03, D009-07 |
| Longueur | — | 240 mm 9.4 inches |
| Taille | — | 95 mm 3.7 inches |
| Taille | — | 35 mm 1.4 inches |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.4 |
