GPU model | Tahiti | Juniper |
---|---|---|
GPU variant | Tahiti XT (215-0821060) | Juniper XT (215-0754013) |
Architecture | GCN 1.0 | TeraScale 2 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 40 nm |
Number of transistors | 4,313 million | 1,040 million |
Die size | 352 mm² | 166 mm² |
Release date | Dec 22nd, 2011 | Oct 13th, 2009 |
---|---|---|
Generation | Southern Islands | Evergreen |
Production | End-of-life | End-of-life |
Launch price | 549 USD | 159 USD |
Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
Reviews | 191 in our database | 142 in our database |
gpu.details.availability | Jan 9th, 2012 | — |
Predecessor | Northern Islands | Radeon R700 |
Successor | Sea Islands | Northern Islands |
GPU clock | 925 MHz | 850 MHz |
---|---|---|
Memory clock | 1375 MHz 5.5 Gbps effective | 1200 MHz 4.8 Gbps effective |
Memory size | 3 GB | 1024 MB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 384 bit | 128 bit |
Bandwidth | 264.0 GB/s | 76.80 GB/s |
Shading units | 2048 | 800 |
---|---|---|
TMUs | 128 | 40 |
ROPs | 32 | 16 |
Compute units | 32 | 10 |
Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
Cache L2 | 768 KB | 256 KB |
Pixel rate | 29.60 GPixel/s | 13.60 GPixel/s |
---|---|---|
Texture rate | 118.4 GTexel/s | 34.00 GTexel/s |
FP32 (float) performance | 3.789 TFLOPS | 1,360 GFLOPS |
FP64 (double) performance | 947.2 GFLOPS (1:4) | — |
Slot width | Dual-slot | Dual-slot |
---|---|---|
Length | 275 mm 10.8 inches | 208 mm 8.2 inches |
Width | 111 mm 4.4 inches | — |
Height | 38 mm 1.5 inches | — |
TDP | 250 W | 108 W |
Suggested PSU | 600 W | 300 W |
Outputs | 1x DVI1x HDMI2x mini-DisplayPort | 2x DVI1x HDMI1x DisplayPort |
Power connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin |
Board number | C386-37 | C010 |
DirectX | 12 (11_1) | 11.2 (11_0) |
---|---|---|
OpenGL | 4.6 | 4.4 |
OpenCL | 1.2 | 1.2 |
Vulkan | 1.2 | — |
Shader model | 5.1 | 5.0 |