GPU model | Caicos | G70 |
---|---|---|
GPU variant | Khalidster | GF-7800-GTX-A2 |
Architecture | TeraScale 2 | Curie |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 110 nm |
Number of transistors | 370 million | 302 million |
Die size | 67 mm² | 333 mm² |
Release date | Jan 5th, 2012 | Jun 22nd, 2005 |
---|---|---|
Generation | Southern Islands | GeForce 7 PCIe |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
Predecessor | Northern Islands | GeForce 6 PCIe |
Successor | Sea Islands | GeForce 8 |
Launch price | — | 599 USD |
Reviews | — | 206 in our database |
GPU clock | 750 MHz | 430 MHz |
---|---|---|
Memory clock | 900 MHz 3.6 Gbps effective | 600 MHz 1200 Mbps effective |
Memory size | 1024 MB | 256 MB |
---|---|---|
Memory type | GDDR5 | GDDR3 |
Memory bus width | 64 bit | 256 bit |
Bandwidth | 28.80 GB/s | 38.40 GB/s |
Shading units | 160 | — |
---|---|---|
TMUs | 8 | 24 |
ROPs | 4 | 16 |
Compute units | 2 | — |
Cache L1 | 8 KB (per CU) | — |
Cache L2 | 128 KB | — |
Pixel shaders | — | 24 |
Vertex shaders | — | 8 |
Pixel rate | 3.000 GPixel/s | 6.880 GPixel/s |
---|---|---|
Texture rate | 6.000 GTexel/s | 10.32 GTexel/s |
FP32 (float) performance | 240.0 GFLOPS | — |
Vertex rate | — | 860.0 MVertices/s |
Slot width | Single-slot | Single-slot |
---|---|---|
Length | 168 mm 6.6 inches | 228 mm 9 inches |
TDP | 27 W | 86 W |
Suggested PSU | 200 W | 250 W |
Outputs | 1x DVI1x DisplayPort | 2x DVI1x S-Video |
Power connectors | None | — |
Board number | C264 | — |
DirectX | 11.2 (11_0) | 9.0c (9_3) |
---|---|---|
OpenGL | 4.4 | 2.1 |
OpenCL | 1.2 | — |
Vulkan | — | — |
Shader model | 5.0 | 3.0 |