GPU model | Amethyst | GM204 |
---|---|---|
GPU variant | Amethyst XT | — |
Architecture | GCN 3.0 | Maxwell 2.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 5,000 million | 5,200 million |
Die size | 366 mm² | 398 mm² |
Release date | May 15th, 2016 | — |
---|---|---|
Generation | Crystal System (R9 M400) | — |
Production | End-of-life | — |
Interface | MXM-B (3.0) | — |
Predecessor | Solar System | — |
Successor | Mobility Radeon | — |
GPU clock | 723 MHz | — |
---|---|---|
Memory clock | 1250 MHz 5 Gbps effective | 1253 MHz 5 Gbps effective |
Base clock | — | 557 MHz |
Boost clock | — | 1178 MHz |
Memory size | 8 GB | 1024 MB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 256 bit |
Bandwidth | 160.0 GB/s | 160.4 GB/s |
Shading units | 2048 | 2048 |
---|---|---|
TMUs | 128 | 128 |
ROPs | 32 | 64 |
Compute units | 32 | — |
Cache L1 | 16 KB (per CU) | 48 KB (per SMM) |
Cache L2 | 512 KB | 2 MB |
SMM count | — | 16 |
Pixel rate | 23.14 GPixel/s | 75.39 GPixel/s |
---|---|---|
Texture rate | 92.54 GTexel/s | 150.8 GTexel/s |
FP16 (half) performance | 2.961 TFLOPS (1:1) | — |
FP32 (float) performance | 2.961 TFLOPS | 4.825 TFLOPS |
FP64 (double) performance | 185.1 GFLOPS (1:16) | 150.8 GFLOPS (1:32) |
Slot width | MXM Module | Dual-slot |
---|---|---|
TDP | 250 W | 225 W |
Outputs | No outputs | No outputs |
Power connectors | None | 1x 8-pin |
Length | — | 267 mm 10.5 inches |
Suggested PSU | — | 550 W |
DirectX | 12 (12_0) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.0 | 3.0 |
Vulkan | 1.2 | 1.1 |
Shader model | 6.3 | 6.4 |
CUDA | — | 5.2 |
Release date | — | Aug 30th, 2015 |
---|---|---|
Generation | — | GRID |
Production | — | End-of-life |
Interface | — | PCIe 3.0 x16 |