GPU model | RV770 | Madison |
---|---|---|
GPU variant | RV770 XT | Madison XT (216-0772003) |
Architecture | TeraScale | TeraScale 2 |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 40 nm |
Number of transistors | 956 million | 627 million |
Die size | 256 mm² | 104 mm² |
Release date | Nov 13th, 2008 | — |
---|---|---|
Generation | FireStream | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
GPU clock | 750 MHz | 650 MHz |
---|---|---|
Memory clock | 900 MHz 3.6 Gbps effective | 800 MHz 3.2 Gbps effective |
Memory size | 2 GB | 1024 MB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 128 bit |
Bandwidth | 115.2 GB/s | 51.20 GB/s |
Shading units | 800 | 400 |
---|---|---|
TMUs | 40 | 20 |
ROPs | 16 | 8 |
Compute units | 10 | 5 |
Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
Cache L2 | 256 KB | 256 KB |
Pixel rate | 12.00 GPixel/s | 5.200 GPixel/s |
---|---|---|
Texture rate | 30.00 GTexel/s | 13.00 GTexel/s |
FP32 (float) performance | 1,200 GFLOPS | 520.0 GFLOPS |
FP64 (double) performance | 240.0 GFLOPS (1:5) | — |
Slot width | Dual-slot | — |
---|---|---|
Length | 241 mm 9.5 inches | — |
Width | 111 mm 4.4 inches | — |
Height | 38 mm 1.5 inches | — |
TDP | 160 W | 30 W |
Suggested PSU | 450 W | — |
Outputs | 1x DVI | No outputs |
Power connectors | 2x 6-pin | — |
DirectX | 10.1 (10_1) | 11.2 (11_0) |
---|---|---|
OpenGL | 3.3 | 4.4 |
OpenCL | 1.1 | 1.2 |
Vulkan | — | — |
Shader model | 4.1 | 5.0 |
Release date | — | Jan 7th, 2010 |
---|---|---|
Generation | — | Manhattan (Mobility HD 5700) |
Production | — | End-of-life |
Interface | — | PCIe 2.0 x16 |
Reviews | — | 2 in our database |
Predecessor | — | M9x |
Successor | — | Vancouver |