GPU model | Polaris 23 | RS780 |
---|---|---|
GPU variant | Polaris 23 XT GL | RS780M |
Architecture | GCN 4.0 | TeraScale |
Foundry | GlobalFoundries | — |
Manufacturing process | 14 nm | 65 nm |
Number of transistors | 2,200 million | 180 million |
Die size | 103 mm² | 85 mm² |
Release date | Jul 2nd, 2019 | — |
---|---|---|
Generation | Radeon Pro | — |
Production | Active | — |
Launch price | 199 USD | — |
Interface | PCIe 3.0 x8 | — |
GPU clock | 1295 MHz | 350 MHz |
---|---|---|
Memory clock | 1500 MHz 6 Gbps effective | System Shared |
Memory size | 4 GB | System Shared |
---|---|---|
Memory type | GDDR5 | System Shared |
Memory bus width | 128 bit | System Shared |
Bandwidth | 96.00 GB/s | System Dependent |
Shading units | 640 | 40 |
---|---|---|
TMUs | 32 | 4 |
ROPs | 16 | 4 |
Compute units | 10 | 2 |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 512 KB | — |
Pixel rate | 20.72 GPixel/s | 1.400 GPixel/s |
---|---|---|
Texture rate | 41.44 GTexel/s | 1.400 GTexel/s |
FP16 (half) performance | 1.658 TFLOPS (1:1) | — |
FP32 (float) performance | 1.658 TFLOPS | 28.00 GFLOPS |
FP64 (double) performance | 103.6 GFLOPS (1:16) | — |
Slot width | Single-slot | IGP |
---|---|---|
Length | 167 mm 6.6 inches | — |
Width | 69 mm 2.7 inches | — |
TDP | 65 W | unknown |
Suggested PSU | 250 W | — |
Outputs | 4x mini-DisplayPort | No outputs |
Power connectors | None | None |
DirectX | 12 (12_0) | 10.0 (10_0) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 2.1 | 1.0 |
Vulkan | 1.2 | — |
Shader model | 6.4 | 4.1 |
Release date | — | Aug 15th, 2008 |
---|---|---|
Generation | — | Radeon IGP (Mobility HD 3000) |
Production | — | End-of-life |
Interface | — | PCIe 1.0 x16 |