GPU model | Barts | Baffin |
---|---|---|
GPU variant | Barts XT (215-0798000) | Baffin LE |
Architecture | TeraScale 2 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 40 nm | 14 nm |
Number of transistors | 1,700 million | 3,000 million |
Die size | 255 mm² | 123 mm² |
Release date | Jul 8th, 2011 | — |
---|---|---|
Generation | Northern Islands | — |
Production | End-of-life | — |
Launch price | 520 USD | — |
Interface | PCIe 2.0 x16 | — |
Reviews | 170 in our database | — |
Predecessor | Evergreen | — |
Successor | Southern Islands | — |
GPU clock | 900 MHz | — |
---|---|---|
Memory clock | 1050 MHz 4.2 Gbps effective | 1500 MHz 6 Gbps effective |
Base clock | — | 1002 MHz |
Boost clock | — | 1053 MHz |
Memory size | 1024 MB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 128 bit |
Bandwidth | 134.4 GB/s | 96.00 GB/s |
Shading units | 1120 | 640 |
---|---|---|
TMUs | 56 | 40 |
ROPs | 32 | 16 |
Compute units | 14 | 10 |
Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 1024 KB |
Pixel rate | 28.80 GPixel/s | 16.85 GPixel/s |
---|---|---|
Texture rate | 50.40 GTexel/s | 42.12 GTexel/s |
FP32 (float) performance | 2.016 TFLOPS | 1,348 GFLOPS |
FP16 (half) performance | — | 1,348 GFLOPS (1:1) |
FP64 (double) performance | — | 84.24 GFLOPS (1:16) |
Slot width | Dual-slot | MXM Module |
---|---|---|
Length | 304 mm 12 inches | — |
TDP | 300 W | 50 W |
Suggested PSU | 700 W | — |
Outputs | 2x DVI1x HDMI2x mini-DisplayPort | No outputs |
Power connectors | — | None |
DirectX | 11.2 (11_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.4 | 4.6 |
OpenCL | 1.2 | 2.1 |
Vulkan | — | 1.2 |
Shader model | 5.0 | 6.4 |
Release date | — | Mar 1st, 2017 |
---|---|---|
Generation | — | Radeon Pro Mobile (WX x100) |
Production | — | Active |
Interface | — | PCIe 3.0 x8 |