Nom du GPU | Polaris 21 | GM204 |
---|---|---|
GPU variant | Polaris 21 XT (215-0908004) | — |
Architecture | GCN 4.0 | Maxwell 2.0 |
Fonderie | GlobalFoundries | TSMC |
Taille du processus | 14 nm | 28 nm |
Transistors | 3,000 million | 5,200 million |
Taille des matrices | 123 mm² | 398 mm² |
Date de publication | Apr 18th, 2017 | — |
---|---|---|
Génération | Polaris | — |
Production | Active | — |
Prix de lancement | 99 USD | — |
Bus interface | PCIe 3.0 x8 | — |
Prédécesseur | Arctic Islands | — |
Successeur | Vega | — |
Base clock | 1175 MHz | — |
---|---|---|
Boost clock | 1275 MHz | — |
Mémoire clock | 1750 MHz 7 Gbps effective | 1253 MHz 5 Gbps effective |
GPU clock | — | 935 MHz |
Taille de la mémoire | 4 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 128 bit | 128 bit |
Bande passante | 112.0 GB/s | 80.19 GB/s |
Shading units | 1024 | 1024 |
---|---|---|
TMUs | 64 | 64 |
ROPs | 16 | 32 |
Compute units | 16 | — |
Cache L1 | 16 KB (per CU) | 48 KB (per SMM) |
Cache L2 | 1024 KB | 1024 KB |
Comptage SMM | — | 8 |
Taux de pixel | 20.40 GPixel/s | 29.92 GPixel/s |
---|---|---|
Taux de texture | 81.60 GTexel/s | 59.84 GTexel/s |
FP16 (half) performance | 2.611 TFLOPS (1:1) | — |
FP32 (float) performance | 2.611 TFLOPS | 1.915 TFLOPS |
FP64 (double) performance | 163.2 GFLOPS (1:16) | 59.84 GFLOPS (1:32) |
Taille Slot | Dual-slot | MXM Module |
---|---|---|
Longueur | 170 mm 6.7 inches | — |
TDP | 75 W | unknown |
Suggestions pour le PSU | 250 W | — |
Sorties | 1x DVI1x HDMI1x DisplayPort | No outputs |
Connecteurs de puissance | None | None |
Board number | C994 | P2754 SKU 7 |
DirectX | 12 (12_0) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 3.0 |
Vulkan | 1.2 | 1.1 |
Shader model | 6.4 | 6.4 |
CUDA | — | 5.2 |
Date de publication | — | Jan 9th, 2015 |
---|---|---|
Génération | — | GeForce 900M |
Production | — | End-of-life |
Bus interface | — | MXM-B (3.0) |
Critiques | — | 1 in our database |
Prédécesseur | — | GeForce 800M |
Successeur | — | GeForce 10 Mobile |