AMD Radeon R9 270X vs AMD Radeon R9 M395X
Processeur graphique
| Nom du GPU | Curacao | Amethyst |
|---|---|---|
| GPU variant | Curacao XT (215-0848004) | Amethyst XT |
| Architecture | GCN 1.0 | GCN 3.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 2,800 million | 5,000 million |
| Taille des matrices | 212 mm² | 366 mm² |
Carte graphique
| Date de publication | Oct 8th, 2013 | — |
|---|---|---|
| Génération | Volcanic Islands | — |
| Production | End-of-life | — |
| Prix de lancement | 199 USD | — |
| Bus interface | PCIe 3.0 x16 | — |
| Critiques | 90 in our database | — |
| Prédécesseur | Sea Islands | — |
| Successeur | Pirate Islands | — |
Vitesse clock
| Base clock | 1000 MHz | — |
|---|---|---|
| Boost clock | 1050 MHz | — |
| Mémoire clock | 1400 MHz 5.6 Gbps effective | 1250 MHz 5 Gbps effective |
| GPU clock | — | 723 MHz |
Mémoire
| Taille de la mémoire | 2 GB | 8 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 256 bit | 256 bit |
| Bande passante | 179.2 GB/s | 160.0 GB/s |
Render Config
| Shading units | 1280 | 2048 |
|---|---|---|
| TMUs | 80 | 128 |
| ROPs | 32 | 32 |
| Compute units | 20 | 32 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 512 KB | 512 KB |
Performance théorique
| Taux de pixel | 33.60 GPixel/s | 23.14 GPixel/s |
|---|---|---|
| Taux de texture | 84.00 GTexel/s | 92.54 GTexel/s |
| FP32 (float) performance | 2.688 TFLOPS | 2.961 TFLOPS |
| FP64 (double) performance | 168.0 GFLOPS (1:16) | 185.1 GFLOPS (1:16) |
| FP16 (half) performance | — | 2.961 TFLOPS (1:1) |
Board Design
| Taille Slot | Dual-slot | MXM Module |
|---|---|---|
| Longueur | 241 mm 9.5 inches | — |
| Taille | 109 mm 4.3 inches | — |
| Taille | 36 mm 1.4 inches | — |
| TDP | 180 W | 75 W |
| Suggestions pour le PSU | 450 W | — |
| Sorties | 2x DVI1x HDMI1x DisplayPort | No outputs |
| Connecteurs de puissance | 2x 6-pin | None |
| Board number | C631, C632 | C608 |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.3 |
AUTRES CARACTÉRISTIQUES
Graphiques mobiles
| Date de publication | — | May 5th, 2015 |
|---|---|---|
| Génération | — | Crystal System (R9 M300) |
| Production | — | End-of-life |
| Bus interface | — | PCIe 3.0 x16 |
| Prédécesseur | — | Solar System |
| Successeur | — | Mobility Radeon |
