GPU model | RV770 | Juniper |
---|---|---|
GPU variant | RV770 PRO | Juniper LE (215-0754009) |
Architecture | TeraScale | TeraScale 2 |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 40 nm |
Number of transistors | 956 million | 1,040 million |
Die size | 256 mm² | 166 mm² |
Release date | Jun 16th, 2008 | Oct 13th, 2009 |
---|---|---|
Generation | FireStream | Evergreen |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
Reviews | — | 63 in our database |
Predecessor | — | Radeon R700 |
Successor | — | Northern Islands |
GPU clock | 625 MHz | 700 MHz |
---|---|---|
Memory clock | 993 MHz 1986 Mbps effective | 1150 MHz 4.6 Gbps effective |
Memory size | 1024 MB | 1024 MB |
---|---|---|
Memory type | GDDR3 | GDDR5 |
Memory bus width | 256 bit | 128 bit |
Bandwidth | 63.55 GB/s | 73.60 GB/s |
Shading units | 800 | 720 |
---|---|---|
TMUs | 40 | 36 |
ROPs | 16 | 16 |
Compute units | 10 | 9 |
Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
Cache L2 | 256 KB | 256 KB |
Pixel rate | 10.00 GPixel/s | 11.20 GPixel/s |
---|---|---|
Texture rate | 25.00 GTexel/s | 25.20 GTexel/s |
FP32 (float) performance | 1,000 GFLOPS | 1,008 GFLOPS |
FP64 (double) performance | 200.0 GFLOPS (1:5) | — |
Slot width | Single-slot | Dual-slot |
---|---|---|
Length | 234 mm 9.2 inches | 178 mm 7 inches |
Width | 111 mm 4.4 inches | — |
TDP | 150 W | 86 W |
Suggested PSU | 450 W | 250 W |
Outputs | 1x DVI | 2x DVI1x HDMI1x DisplayPort |
Power connectors | 1x 6-pin | 1x 6-pin |
Board number | — | C012 |
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 |