GPU model | Baffin | RV770 |
---|---|---|
GPU variant | Baffin XT | RV770 XT (215-0669049) |
Architecture | GCN 4.0 | TeraScale |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 55 nm |
Number of transistors | 3,000 million | 956 million |
Die size | 123 mm² | 256 mm² |
Release date | Mar 1st, 2017 | — |
---|---|---|
Generation | Radeon Pro Mobile (WX x100) | — |
Production | Active | — |
Interface | PCIe 3.0 x8 | — |
Base clock | 1002 MHz | — |
---|---|---|
Boost clock | 1201 MHz | — |
Memory clock | 1500 MHz 6 Gbps effective | 900 MHz 3.6 Gbps effective |
GPU clock | — | 750 MHz |
Memory size | 4 GB | 512 MB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 96.00 GB/s | 115.2 GB/s |
Shading units | 1024 | 800 |
---|---|---|
TMUs | 64 | 40 |
ROPs | 16 | 16 |
Compute units | 16 | 10 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 1024 KB | 256 KB |
Pixel rate | 19.22 GPixel/s | 12.00 GPixel/s |
---|---|---|
Texture rate | 76.86 GTexel/s | 30.00 GTexel/s |
FP16 (half) performance | 2.460 TFLOPS (1:1) | — |
FP32 (float) performance | 2.460 TFLOPS | 1,200 GFLOPS |
FP64 (double) performance | 153.7 GFLOPS (1:16) | 240.0 GFLOPS (1:5) |
Slot width | MXM Module | Dual-slot |
---|---|---|
TDP | 50 W | 150 W |
Outputs | No outputs | 2x DVI1x S-Video |
Power connectors | None | 2x 6-pin |
Length | — | 241 mm 9.5 inches |
Width | — | 111 mm 4.4 inches |
Height | — | 40 mm 1.6 inches |
Suggested PSU | — | 450 W |
Board number | — | B507-31 |
DirectX | 12 (12_0) | 10.1 (10_1) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 2.1 | 1.1 |
Vulkan | 1.2 | — |
Shader model | 6.4 | 4.1 |
Release date | — | Jun 25th, 2008 |
---|---|---|
Generation | — | Radeon R700 |
Production | — | End-of-life |
Launch price | — | 299 USD |
Interface | — | PCIe 2.0 x16 |
Reviews | — | 135 in our database |
Predecessor | — | Radeon R600 |
Successor | — | Evergreen |