GPU model | Tobago | GK104 |
---|---|---|
GPU variant | Tobago PRO (215-0875010) | — |
Architecture | GCN 2.0 | Kepler |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 2,080 million | 3,540 million |
Die size | 160 mm² | 294 mm² |
Release date | May 5th, 2015 | Jul 2nd, 2014 |
---|---|---|
Generation | Pirate Islands | GRID |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Predecessor | Volcanic Islands | — |
Successor | Arctic Islands | — |
Launch price | — | 3,599 USD |
Base clock | 1000 MHz | — |
---|---|---|
Boost clock | 1050 MHz | — |
Memory clock | 1625 MHz 6.5 Gbps effective | 1250 MHz 5 Gbps effective |
GPU clock | — | 745 MHz |
Memory size | 2 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 104.0 GB/s | 160.0 GB/s |
Shading units | 768 | 1536 |
---|---|---|
TMUs | 48 | 128 |
ROPs | 16 | 32 |
Compute units | 12 | — |
Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
Cache L2 | 256 KB | 512 KB |
SMX count | — | 8 |
Pixel rate | 16.80 GPixel/s | 23.84 GPixel/s |
---|---|---|
Texture rate | 50.40 GTexel/s | 95.36 GTexel/s |
FP32 (float) performance | 1.613 TFLOPS | 2.289 TFLOPS |
FP64 (double) performance | 100.8 GFLOPS (1:16) | 95.36 GFLOPS (1:24) |
Slot width | Single-slot | Dual-slot |
---|---|---|
Length | 165 mm 6.5 inches | 267 mm 10.5 inches |
Width | 111 mm 4.4 inches | — |
TDP | 85 W | 225 W |
Suggested PSU | 250 W | 550 W |
Outputs | 1x DVI1x HDMI2x mini-DisplayPort | No outputs |
Power connectors | 1x 6-pin | — |
Board number | C913-57 | — |
DirectX | 12 (12_0) | 12 (11_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.0 | 3.0 |
Vulkan | 1.2 | 1.1 |
Shader model | 6.3 | 5.1 |
CUDA | — | 3.0 |