GPU model | Chelsea | Meso |
---|---|---|
GPU variant | Chelsea PRO | Meso XT (216-0867030) |
Architecture | GCN 1.0 | GCN 3.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 1,500 million | 1,550 million |
Die size | 123 mm² | 125 mm² |
Release date | Apr 24th, 2012 | May 5th, 2015 |
---|---|---|
Generation | London (HD 7700M) | Crystal System (R7 M300) |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 3.0 x8 |
Predecessor | Vancouver | Solar System |
Successor | Solar System | Mobility Radeon |
GPU clock | 575 MHz | — |
---|---|---|
Memory clock | 1000 MHz 4 Gbps effective | 1000 MHz 2 Gbps effective |
Base clock | — | 1000 MHz |
Boost clock | — | 1015 MHz |
Memory size | 2 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | DDR3 |
Memory bus width | 128 bit | 64 bit |
Bandwidth | 64.00 GB/s | 16.00 GB/s |
Shading units | 512 | 384 |
---|---|---|
TMUs | 32 | 24 |
ROPs | 16 | 8 |
Compute units | 8 | 6 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 128 KB |
Pixel rate | 9.200 GPixel/s | 8.120 GPixel/s |
---|---|---|
Texture rate | 18.40 GTexel/s | 24.36 GTexel/s |
FP32 (float) performance | 588.8 GFLOPS | 779.5 GFLOPS |
FP64 (double) performance | 36.80 GFLOPS (1:16) | 48.72 GFLOPS (1:16) |
FP16 (half) performance | — | 779.5 GFLOPS (1:1) |
TDP | 28 W | unknown |
---|---|---|
Outputs | No outputs | No outputs |
DirectX | 12 (11_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 6.0 |