GPU model | Cypress | Lexa |
---|---|---|
GPU variant | Cypress PRO GL | Lexa XT |
Architecture | TeraScale 2 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 40 nm | 14 nm |
Number of transistors | 2,154 million | 2,200 million |
Die size | 334 mm² | 103 mm² |
Release date | Jun 1st, 2010 | Jun 12th, 2017 |
---|---|---|
Generation | FireStream | Radeon Pro |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 3.0 x8 |
Launch price | — | 199 USD |
GPU clock | 700 MHz | — |
---|---|---|
Memory clock | 1000 MHz 4 Gbps effective | 1500 MHz 6 Gbps effective |
Base clock | — | 925 MHz |
Boost clock | — | 1219 MHz |
Memory size | 2 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 128 bit |
Bandwidth | 128.0 GB/s | 96.00 GB/s |
Shading units | 1440 | 512 |
---|---|---|
TMUs | 72 | 32 |
ROPs | 32 | 16 |
Compute units | 18 | 8 |
Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 512 KB |
Pixel rate | 22.40 GPixel/s | 19.50 GPixel/s |
---|---|---|
Texture rate | 50.40 GTexel/s | 39.01 GTexel/s |
FP32 (float) performance | 2.016 TFLOPS | 1,248 GFLOPS |
FP64 (double) performance | 403.2 GFLOPS (1:5) | 78.02 GFLOPS (1:16) |
FP16 (half) performance | — | 1,248 GFLOPS (1:1) |
Slot width | Single-slot | Single-slot |
---|---|---|
Length | 241 mm 9.5 inches | 168 mm 6.6 inches |
Width | 111 mm 4.4 inches | 69 mm 2.7 inches |
TDP | 150 W | 65 W |
Suggested PSU | 450 W | 250 W |
Outputs | 1x DisplayPort | 1x DisplayPort2x mini-DisplayPort |
Power connectors | 1x 6-pin | None |
Board number | — | D091 |
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 |