GPU model | Pitcairn | Baffin |
---|---|---|
GPU variant | Pitcairn PRO (215-0828062) | Baffin XT |
Architecture | GCN 1.0 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 28 nm | 14 nm |
Number of transistors | 2,800 million | 3,000 million |
Die size | 212 mm² | 123 mm² |
Release date | Mar 5th, 2012 | Nov 10th, 2016 |
---|---|---|
Generation | Southern Islands | Radeon Pro |
Production | End-of-life | Active |
Launch price | 249 USD | 399 USD |
Interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
Reviews | 71 in our database | — |
Predecessor | Northern Islands | — |
Successor | Sea Islands | — |
GPU clock | 860 MHz | — |
---|---|---|
Memory clock | 1200 MHz 4.8 Gbps effective | 1500 MHz 6 Gbps effective |
Base clock | — | 1125 MHz |
Boost clock | — | 1201 MHz |
Memory size | 2 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 128 bit |
Bandwidth | 153.6 GB/s | 96.00 GB/s |
Shading units | 1024 | 1024 |
---|---|---|
TMUs | 64 | 64 |
ROPs | 32 | 16 |
Compute units | 16 | 16 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 1024 KB |
Pixel rate | 27.52 GPixel/s | 19.22 GPixel/s |
---|---|---|
Texture rate | 55.04 GTexel/s | 76.86 GTexel/s |
FP32 (float) performance | 1.761 TFLOPS | 2.460 TFLOPS |
FP64 (double) performance | 110.1 GFLOPS (1:16) | 153.7 GFLOPS (1:16) |
FP16 (half) performance | — | 2.460 TFLOPS (1:1) |
Slot width | Dual-slot | Single-slot |
---|---|---|
Length | 210 mm 8.3 inches | 168 mm 6.6 inches |
TDP | 130 W | 50 W |
Suggested PSU | 300 W | 250 W |
Outputs | 1x DVI1x HDMI2x mini-DisplayPort | 4x mini-DisplayPort |
Power connectors | 1x 6-pin | None |
Board number | C401-47 | D015 |
Width | — | 69 mm 2.7 inches |
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 |