GPU model | Polaris 23 | M66 |
---|---|---|
GPU variant | Polaris 23 XT GLM | — |
Architecture | GCN 4.0 | R500 |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 90 nm |
Number of transistors | 2,200 million | 157 million |
Die size | 103 mm² | 150 mm² |
Release date | Jul 2nd, 2019 | Jun 1st, 2007 |
---|---|---|
Generation | Radeon Pro Mobile (WX x200) | M6x (Mobility X2) |
Production | Active | End-of-life |
Interface | PCIe 3.0 x8 | PCIe 1.0 x16 |
Reviews | — | 2 in our database |
Predecessor | — | M5x |
Successor | — | M7x |
GPU clock | 1082 MHz | 460 MHz |
---|---|---|
Memory clock | 1000 MHz 4 Gbps effective | 400 MHz 800 Mbps effective |
Memory size | 4 GB | 256 MB |
---|---|---|
Memory type | GDDR5 | DDR2 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 64.00 GB/s | 12.80 GB/s |
Shading units | 640 | — |
---|---|---|
TMUs | 32 | 4 |
ROPs | 16 | 4 |
Compute units | 10 | — |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 512 KB | — |
Pixel shaders | — | 12 |
Vertex shaders | — | 5 |
Pixel rate | 17.31 GPixel/s | 1.840 GPixel/s |
---|---|---|
Texture rate | 34.62 GTexel/s | 1.840 GTexel/s |
FP16 (half) performance | 1,385 GFLOPS (1:1) | — |
FP32 (float) performance | 1,385 GFLOPS | — |
FP64 (double) performance | 86.56 GFLOPS (1:16) | — |
Vertex rate | — | 575.0 MVertices/s |
Slot width | MXM Module | — |
---|---|---|
TDP | 65 W | unknown |
Outputs | 4x mini-DisplayPort | No outputs |
Power connectors | None | — |
DirectX | 12 (12_0) | 9.0c (9_3) |
---|---|---|
OpenGL | 4.6 | 2.1 |
OpenCL | 2.1 | — |
Vulkan | 1.2 | — |
Shader model | 6.4 | 3.0 |