GPU model | RV770 | Skylake GT2 |
---|---|---|
GPU variant | RV770 PRO | — |
Architecture | TeraScale | Generation 9.0 |
Foundry | TSMC | Intel |
Manufacturing process | 55 nm | 14 nm+ |
Number of transistors | 956 million | unknown |
Die size | 256 mm² | 123 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 | System Shared |
Base clock | — | 350 MHz |
Boost clock | — | 1000 MHz |
Memory size | 1024 MB | System Shared |
---|---|---|
Memory type | GDDR3 | System Shared |
Memory bus width | 256 bit | System Shared |
Bandwidth | 63.55 GB/s | System Dependent |
Shading units | 800 | 192 |
---|---|---|
TMUs | 40 | 16 |
ROPs | 16 | 3 |
Compute units | 10 | — |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 256 KB | — |
Execution units | — | 24 |
Pixel rate | 10.00 GPixel/s | 3.000 GPixel/s |
---|---|---|
Texture rate | 25.00 GTexel/s | 16.00 GTexel/s |
FP32 (float) performance | 1,000 GFLOPS | 384.0 GFLOPS |
FP64 (double) performance | 200.0 GFLOPS (1:5) | 96.00 GFLOPS (1:4) |
FP16 (half) performance | — | 768.0 GFLOPS (2:1) |
Slot width | Single-slot | IGP |
---|---|---|
Length | 234 mm 9.2 inches | — |
Width | 111 mm 4.4 inches | — |
TDP | 150 W | 15 W |
Suggested PSU | 450 W | — |
Outputs | 1x DVI | No outputs |
Power connectors | 1x 6-pin | — |
DirectX | 10.1 (10_1) | 12 (12_1) |
---|---|---|
OpenGL | 3.3 | 4.6 |
OpenCL | 1.1 | 3.0 |
Vulkan | — | 1.2 |
Shader model | 4.1 | 6.4 |
Release date | — | Sep 1st, 2015 |
---|---|---|
Generation | — | HD Graphics-W (Skylake) |
Production | — | Active |
Interface | — | Ring Bus |
Reviews | — | 1 in our database |