GPU model | Fiji | Amethyst |
---|---|---|
GPU variant | Fiji XT | Amethyst XT |
Architecture | GCN 3.0 | GCN 3.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 8,900 million | 5,000 million |
Die size | 596 mm² | 366 mm² |
Release date | Dec 12th, 2016 | — |
---|---|---|
Generation | Radeon Instinct | — |
Production | End-of-life | — |
Interface | PCIe 3.0 x16 | — |
GPU clock | 1000 MHz | 850 MHz |
---|---|---|
Memory clock | 500 MHz 1000 Mbps effective | 1362 MHz 5.4 Gbps effective |
Memory size | 4 GB | 4 GB |
---|---|---|
Memory type | HBM | GDDR5 |
Memory bus width | 4096 bit | 256 bit |
Bandwidth | 512.0 GB/s | 174.3 GB/s |
Shading units | 4096 | 2048 |
---|---|---|
TMUs | 256 | 128 |
ROPs | 64 | 32 |
Compute units | 64 | 32 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 2 MB | 512 KB |
Pixel rate | 64.00 GPixel/s | 27.20 GPixel/s |
---|---|---|
Texture rate | 256.0 GTexel/s | 108.8 GTexel/s |
FP16 (half) performance | 8.192 TFLOPS (1:1) | 3.482 TFLOPS (1:1) |
FP32 (float) performance | 8.192 TFLOPS | 3.482 TFLOPS |
FP64 (double) performance | 512.0 GFLOPS (1:16) | 217.6 GFLOPS (1:16) |
Slot width | Dual-slot | MXM Module |
---|---|---|
Length | 152 mm 6 inches | — |
Width | 111 mm 4.4 inches | — |
TDP | 175 W | 250 W |
Suggested PSU | 450 W | — |
Outputs | No outputs | No outputs |
Power connectors | 1x 8-pin | — |
DirectX | 12 (12_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.0 | 2.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.3 | 6.3 |
Release date | — | Nov 23rd, 2014 |
---|---|---|
Generation | — | Crystal System (R9 M200) |
Production | — | End-of-life |
Interface | — | MXM-B (3.0) |
Predecessor | — | Solar System |
Successor | — | Mobility Radeon |