GPU model | Tobago | G80 |
---|---|---|
GPU variant | Tobago XT | — |
Architecture | GCN 2.0 | Tesla |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 90 nm |
Number of transistors | 2,080 million | 681 million |
Die size | 160 mm² | 484 mm² |
Release date | Jun 18th, 2015 | May 2nd, 2007 |
---|---|---|
Generation | Pirate Islands | Tesla |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x16 | PCIe 1.0 x16 |
Predecessor | Volcanic Islands | — |
Successor | Arctic Islands | — |
Launch price | — | 7,499 USD |
GPU clock | 1100 MHz | 600 MHz |
---|---|---|
Memory clock | 1500 MHz 6 Gbps effective | 800 MHz 1600 Mbps effective |
Shader clock | — | 1350 MHz |
Memory size | 2 GB | 1536 MB |
---|---|---|
Memory type | GDDR5 | GDDR3 |
Memory bus width | 128 bit | 384 bit |
Bandwidth | 96.00 GB/s | 76.80 GB/s |
Shading units | 896 | 128 |
---|---|---|
TMUs | 56 | 32 |
ROPs | 16 | 24 |
Compute units | 14 | — |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 256 KB | 96 KB |
SM count | — | 16 |
Pixel rate | 17.60 GPixel/s | 14.40 GPixel/s |
---|---|---|
Texture rate | 61.60 GTexel/s | 38.40 GTexel/s |
FP32 (float) performance | 1.971 TFLOPS | 345.6 GFLOPS |
FP64 (double) performance | 123.2 GFLOPS (1:16) | — |
Slot width | Dual-slot | Dual-slot |
---|---|---|
Length | 183 mm 7.2 inches | — |
TDP | 85 W | 520 W |
Suggested PSU | 250 W | 900 W |
Outputs | 2x DVI1x HDMI1x DisplayPort | No outputs |
Power connectors | 1x 6-pin | — |
Board number | C582 | — |
DirectX | 12 (12_0) | 11.1 (10_0) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 2.0 | 1.1 (1.0) |
Vulkan | 1.2 | — |
Shader model | 6.3 | 4.0 |
CUDA | — | 1.0 |