GPU model | RS780 | Hemlock |
---|---|---|
GPU variant | RS780M | Hemlock XT (215-0735075) |
Architecture | TeraScale | TeraScale 2 |
Manufacturing process | 65 nm | 40 nm |
Number of transistors | 180 million | 2,154 million |
Die size | 85 mm² | 334 mm² |
Foundry | — | TSMC |
Release date | Nov 1st, 2009 | — |
---|---|---|
Generation | Radeon IGP (Mobility HD 3000) | — |
Production | End-of-life | — |
Interface | PCIe 1.0 x16 | — |
GPU clock | 380 MHz | 725 MHz |
---|---|---|
Memory clock | System Shared | 1000 MHz 4 Gbps effective |
Memory size | System Shared | 1024 MB |
---|---|---|
Memory type | System Shared | GDDR5 |
Memory bus width | System Shared | 256 bit |
Bandwidth | System Dependent | 128.0 GB/s |
Shading units | 40 | 1600 |
---|---|---|
TMUs | 4 | 80 |
ROPs | 4 | 32 |
Compute units | 2 | 20 |
Cache L1 | — | 8 KB (per CU) |
Cache L2 | — | 512 KB |
Pixel rate | 1.520 GPixel/s | 23.20 GPixel/s |
---|---|---|
Texture rate | 1.520 GTexel/s | 58.00 GTexel/s |
FP32 (float) performance | 30.40 GFLOPS | 2.320 TFLOPS |
FP64 (double) performance | — | 464.0 GFLOPS (1:5) |
Slot width | IGP | Dual-slot |
---|---|---|
TDP | unknown | 294 W |
Outputs | No outputs | 2x DVI1x mini-DisplayPort |
Power connectors | None | 1x 6-pin + 1x 8-pin |
Length | — | 311 mm 12.2 inches |
Width | — | 111 mm 4.4 inches |
Height | — | 40 mm 1.6 inches |
Suggested PSU | — | 600 W |
Board number | — | C000-37 |
DirectX | 10.0 (10_0) | 11.2 (11_0) |
---|---|---|
OpenGL | 3.3 | 4.4 |
OpenCL | 1.0 | 1.2 |
Vulkan | — | — |
Shader model | 4.1 | 5.0 |
Release date | — | Nov 18th, 2009 |
---|---|---|
Generation | — | Evergreen |
Production | — | End-of-life |
Launch price | — | 699 USD |
Interface | — | PCIe 2.0 x16 |
Reviews | — | 74 in our database |
Predecessor | — | Radeon R700 |
Successor | — | Northern Islands |