Nom du GPU | Polaris 21 | GM107 |
---|---|---|
GPU variant | Polaris 21 XT (215-0908004) | N15P-GT-A1 |
Architecture | GCN 4.0 | Maxwell |
Fonderie | GlobalFoundries | TSMC |
Taille du processus | 14 nm | 28 nm |
Transistors | 3,000 million | 1,870 million |
Taille des matrices | 123 mm² | 148 mm² |
Date de publication | Jul 16th, 2018 | Mar 12th, 2014 |
---|---|---|
Génération | Radeon Pro Mac (500X Series) | GeForce 800M |
Production | Active | End-of-life |
Bus interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
Prédécesseur | — | GeForce 700M |
Successeur | — | GeForce 900M |
GPU clock | 1004 MHz | 902 MHz |
---|---|---|
Mémoire clock | 1470 MHz 5.9 Gbps effective | 1001 MHz 2 Gbps effective |
Taille de la mémoire | 4 GB | 2 GB |
---|---|---|
Type de mémoire | GDDR5 | DDR3 |
Bus mémoire | 128 bit | 128 bit |
Bande passante | 94.08 GB/s | 32.03 GB/s |
Shading units | 1024 | 640 |
---|---|---|
TMUs | 64 | 40 |
ROPs | 16 | 16 |
Compute units | 16 | — |
Cache L1 | 16 KB (per CU) | 64 KB (per SMM) |
Cache L2 | 1024 KB | 2 MB |
Comptage SMM | — | 5 |
Taux de pixel | 16.06 GPixel/s | 14.43 GPixel/s |
---|---|---|
Taux de texture | 64.26 GTexel/s | 36.08 GTexel/s |
FP16 (half) performance | 2.056 TFLOPS (1:1) | — |
FP32 (float) performance | 2.056 TFLOPS | 1,155 GFLOPS |
FP64 (double) performance | 128.5 GFLOPS (1:16) | 36.08 GFLOPS (1:32) |
Taille Slot | IGP | IGP |
---|---|---|
TDP | 75 W | 45 W |
Sorties | No outputs | No outputs |
Connecteurs de puissance | None | — |
DirectX | 12 (12_0) | 12 (11_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 3.0 |
Vulkan | 1.2 | 1.1 |
Shader model | 6.4 | 5.1 |
CUDA | — | 5.0 |