GPU model | Amethyst | Rocket Lake GT1 |
---|---|---|
GPU variant | Amethyst XT | — |
Architecture | GCN 3.0 | Generation 12.1 |
Foundry | TSMC | Intel |
Manufacturing process | 28 nm | 14 nm+++ |
Number of transistors | 5,000 million | unknown |
Die size | 366 mm² | unknown |
Release date | May 5th, 2015 | — |
---|---|---|
Generation | Crystal System (R9 M300) | — |
Production | End-of-life | — |
Interface | PCIe 3.0 x16 | — |
Predecessor | Solar System | — |
Successor | Mobility Radeon | — |
GPU clock | 723 MHz | — |
---|---|---|
Memory clock | 1250 MHz 5 Gbps effective | System Shared |
Base clock | — | 300 MHz |
Boost clock | — | 1300 MHz |
Memory size | 4 GB | System Shared |
---|---|---|
Memory type | GDDR5 | System Shared |
Memory bus width | 256 bit | System Shared |
Bandwidth | 160.0 GB/s | System Dependent |
Shading units | 2048 | 256 |
---|---|---|
TMUs | 128 | 16 |
ROPs | 32 | 8 |
Compute units | 32 | — |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 512 KB | — |
Execution units | — | 32 |
Pixel rate | 23.14 GPixel/s | 10.40 GPixel/s |
---|---|---|
Texture rate | 92.54 GTexel/s | 20.80 GTexel/s |
FP16 (half) performance | 2.961 TFLOPS (1:1) | 1,331 GFLOPS (2:1) |
FP32 (float) performance | 2.961 TFLOPS | 665.6 GFLOPS |
FP64 (double) performance | 185.1 GFLOPS (1:16) | 166.4 GFLOPS (1:4) |
Slot width | MXM Module | IGP |
---|---|---|
TDP | 75 W | 15 W |
Outputs | No outputs | No outputs |
Power connectors | None | — |
Board number | C608 | — |
DirectX | 12 (12_0) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.0 | 3.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.3 | 6.4 |
Release date | — | Mar 30th, 2021 |
---|---|---|
Generation | — | HD Graphics (Rocket Lake) |
Production | — | Active |
Interface | — | Ring Bus |
Reviews | — | 1 in our database |