GPU model | Fiji | Tahiti |
---|---|---|
GPU variant | Fiji XT | Orthrus |
Architecture | GCN 3.0 | GCN 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 8,900 million | 4,313 million |
Die size | 596 mm² | 352 mm² |
Release date | Dec 12th, 2016 | Mar 27th, 2013 |
---|---|---|
Generation | Radeon Instinct | Radeon Sky |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
GPU clock | 1000 MHz | — |
---|---|---|
Memory clock | 500 MHz 1000 Mbps effective | 1250 MHz 5 Gbps effective |
Base clock | — | 825 MHz |
Boost clock | — | 950 MHz |
Memory size | 4 GB | 3 GB |
---|---|---|
Memory type | HBM | GDDR5 |
Memory bus width | 4096 bit | 384 bit |
Bandwidth | 512.0 GB/s | 240.0 GB/s |
Shading units | 4096 | 1792 |
---|---|---|
TMUs | 256 | 112 |
ROPs | 64 | 32 |
Compute units | 64 | 28 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 2 MB | 768 KB |
Pixel rate | 64.00 GPixel/s | 30.40 GPixel/s |
---|---|---|
Texture rate | 256.0 GTexel/s | 106.4 GTexel/s |
FP16 (half) performance | 8.192 TFLOPS (1:1) | — |
FP32 (float) performance | 8.192 TFLOPS | 3.405 TFLOPS |
FP64 (double) performance | 512.0 GFLOPS (1:16) | 851.2 GFLOPS (1:4) |
Slot width | Dual-slot | Dual-slot |
---|---|---|
Length | 152 mm 6 inches | 305 mm 12 inches |
Width | 111 mm 4.4 inches | 111 mm 4.4 inches |
TDP | 175 W | 300 W |
Suggested PSU | 450 W | 700 W |
Outputs | No outputs | 1x DVI1x mini-DisplayPort |
Power connectors | 1x 8-pin | 2x 8-pin |
Board number | — | C476 |
DirectX | 12 (12_0) | 12 (11_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.0 | 1.2 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.3 | 5.1 |