GPU model | Tahiti | Polaris 22 |
---|---|---|
GPU variant | Tahiti PRO (215-0821056) | VegaM MGL XL |
Architecture | GCN 1.0 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 28 nm | 14 nm |
Number of transistors | 4,313 million | 5,000 million |
Die size | 352 mm² | 208 mm² |
Release date | Jan 31st, 2012 | — |
---|---|---|
Generation | Southern Islands | — |
Production | End-of-life | — |
Interface | PCIe 3.0 x16 | — |
Reviews | 118 in our database | — |
Predecessor | Northern Islands | — |
Successor | Sea Islands | — |
GPU clock | 800 MHz | — |
---|---|---|
Memory clock | 1250 MHz 5 Gbps effective | 700 MHz 1400 Mbps effective |
Base clock | — | 931 MHz |
Boost clock | — | 1011 MHz |
Memory size | 3 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | HBM2 |
Memory bus width | 384 bit | 1024 bit |
Bandwidth | 240.0 GB/s | 179.2 GB/s |
Shading units | 768 | 1280 |
---|---|---|
TMUs | 48 | 80 |
ROPs | 32 | 32 |
Compute units | 12 | 20 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 768 KB | 1024 KB |
Pixel rate | 25.60 GPixel/s | 32.35 GPixel/s |
---|---|---|
Texture rate | 38.40 GTexel/s | 80.88 GTexel/s |
FP32 (float) performance | 1,229 GFLOPS | 2.588 TFLOPS |
FP64 (double) performance | 307.2 GFLOPS (1:4) | 161.8 GFLOPS (1:16) |
FP16 (half) performance | — | 2.588 TFLOPS (1:1) |
Slot width | Dual-slot | IGP |
---|---|---|
Length | 267 mm 10.5 inches | — |
TDP | 85 W | 65 W |
Suggested PSU | 250 W | — |
Outputs | 1x DVI1x HDMI2x mini-DisplayPort | No outputs |
Power connectors | 1x 6-pin + 1x 8-pin | — |
Board number | C386 | D136 |
DirectX | 12 (11_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 6.4 |
Release date | — | Apr 24th, 2018 |
---|---|---|
Generation | — | Vega (Vega M) |
Production | — | Active |
Interface | — | IGP |