GPU model | Pitcairn | NV18 |
---|---|---|
GPU variant | Pitcairn XT GL (215-0828073) | — |
Architecture | GCN 1.0 | Celsius |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 150 nm |
Number of transistors | 2,800 million | 29 million |
Die size | 212 mm² | 65 mm² |
Release date | Mar 27th, 2013 | Nov 12th, 2002 |
---|---|---|
Generation | Radeon Sky | Quadro4 XGL |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x16 | AGP 8x |
Reviews | — | 26 in our database |
GPU clock | 950 MHz | 300 MHz |
---|---|---|
Memory clock | 1200 MHz 4.8 Gbps effective | 200 MHz 400 Mbps effective |
Memory size | 4 GB | 64 MB |
---|---|---|
Memory type | GDDR5 | DDR |
Memory bus width | 256 bit | 128 bit |
Bandwidth | 153.6 GB/s | 6.400 GB/s |
Shading units | 1280 | — |
---|---|---|
TMUs | 80 | 4 |
ROPs | 32 | 4 |
Compute units | 20 | — |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 512 KB | — |
Pixel shaders | — | 2 |
Vertex shaders | — | 0 |
Pixel rate | 30.40 GPixel/s | 1.200 GPixel/s |
---|---|---|
Texture rate | 76.00 GTexel/s | 1.200 GTexel/s |
FP32 (float) performance | 2.432 TFLOPS | — |
FP64 (double) performance | 152.0 GFLOPS (1:16) | — |
Slot width | Single-slot | Single-slot |
---|---|---|
Length | 242 mm 9.5 inches | — |
Width | 111 mm 4.4 inches | — |
TDP | 150 W | unknown |
Suggested PSU | 450 W | 200 W |
Outputs | 1x DisplayPort | 1x LFH60 |
Power connectors | 1x 6-pin | None |
DirectX | 12 (11_1) | 7.0 |
---|---|---|
OpenGL | 4.6 | 1.5 |
OpenCL | 1.2 | — |
Vulkan | 1.2 | — |
Shader model | 5.1 | — |
Pixel shader | — | 1.1 |
Vertex shader | — | 1.1 |