GPU model | RV770 | Meso |
---|---|---|
GPU variant | RV770 PRO | Meso XT (216-0867030) |
Architecture | TeraScale | GCN 3.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 28 nm |
Number of transistors | 956 million | 1,550 million |
Die size | 256 mm² | 125 mm² |
Release date | Jun 16th, 2008 | — |
---|---|---|
Generation | FireStream | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
GPU clock | 625 MHz | — |
---|---|---|
Memory clock | 993 MHz 1986 Mbps effective | 1000 MHz 2 Gbps effective |
Base clock | — | 1000 MHz |
Boost clock | — | 1015 MHz |
Memory size | 1024 MB | 4 GB |
---|---|---|
Memory type | GDDR3 | DDR3 |
Memory bus width | 256 bit | 64 bit |
Bandwidth | 63.55 GB/s | 16.00 GB/s |
Shading units | 800 | 384 |
---|---|---|
TMUs | 40 | 24 |
ROPs | 16 | 8 |
Compute units | 10 | 6 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 128 KB |
Pixel rate | 10.00 GPixel/s | 8.120 GPixel/s |
---|---|---|
Texture rate | 25.00 GTexel/s | 24.36 GTexel/s |
FP32 (float) performance | 1,000 GFLOPS | 779.5 GFLOPS |
FP64 (double) performance | 200.0 GFLOPS (1:5) | 48.72 GFLOPS (1:16) |
FP16 (half) performance | — | 779.5 GFLOPS (1:1) |
Slot width | Single-slot | — |
---|---|---|
Length | 234 mm 9.2 inches | — |
Width | 111 mm 4.4 inches | — |
TDP | 150 W | unknown |
Suggested PSU | 450 W | — |
Outputs | 1x DVI | No outputs |
Power connectors | 1x 6-pin | — |
DirectX | 10.1 (10_1) | 12 (12_0) |
---|---|---|
OpenGL | 3.3 | 4.6 |
OpenCL | 1.1 | 2.0 |
Vulkan | — | 1.2 |
Shader model | 4.1 | 6.0 |
Release date | — | May 5th, 2015 |
---|---|---|
Generation | — | Crystal System (R7 M300) |
Production | — | End-of-life |
Interface | — | PCIe 3.0 x8 |
Predecessor | — | Solar System |
Successor | — | Mobility Radeon |