Nom du GPU | Lexa | TU104B |
---|---|---|
GPU variant | Lexa PRO (215-0904018) | — |
Architecture | GCN 4.0 | Turing |
Fonderie | GlobalFoundries | TSMC |
Taille du processus | 14 nm | 12 nm |
Transistors | 2,200 million | 13,600 million |
Taille des matrices | 103 mm² | 545 mm² |
Date de publication | Nov 11th, 2017 | Jun 8th, 2020 |
---|---|---|
Génération | Mobility Radeon (RX M500) | Quadro Mobile (Tx000) |
Production | End-of-life | Active |
Bus interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
Prédécesseur | Crystal System | — |
Base clock | 1124 MHz | 1035 MHz |
---|---|---|
Boost clock | 1219 MHz | 1545 MHz |
Mémoire clock | 1500 MHz 6 Gbps effective | 1750 MHz 14 Gbps effective |
Taille de la mémoire | 2 GB | 16 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR6 |
Bus mémoire | 128 bit | 256 bit |
Bande passante | 96.00 GB/s | 448.0 GB/s |
Shading units | 512 | 3072 |
---|---|---|
TMUs | 32 | 192 |
ROPs | 16 | 64 |
Compute units | 8 | — |
Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
Cache L2 | 512 KB | 4 MB |
Comptage SM | — | 48 |
Tensor cores | — | 384 |
RT cores | — | 48 |
Taux de pixel | 19.50 GPixel/s | 98.88 GPixel/s |
---|---|---|
Taux de texture | 39.01 GTexel/s | 296.6 GTexel/s |
FP16 (half) performance | 1,248 GFLOPS (1:1) | 18.98 TFLOPS (2:1) |
FP32 (float) performance | 1,248 GFLOPS | 9.492 TFLOPS |
FP64 (double) performance | 78.02 GFLOPS (1:16) | 296.6 GFLOPS (1:32) |
Taille Slot | IGP | IGP |
---|---|---|
TDP | 50 W | 110 W |
Sorties | No outputs | No outputs |
Connecteurs de puissance | None | None |
DirectX | 12 (12_0) | 12 Ultimate (12_2) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 3.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.6 |
CUDA | — | 7.5 |