GPU model | Whistler | NV5B |
---|---|---|
GPU variant | Whistler LE | Riva TNT2 Ultra |
Architecture | TeraScale 2 | Fahrenheit |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 250 nm |
Number of transistors | 716 million | 15 million |
Die size | 104 mm² | 90 mm² |
Release date | Jan 7th, 2012 | — |
---|---|---|
Generation | London (HD 7600M) | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
Predecessor | Vancouver | — |
Successor | Solar System | — |
GPU clock | 450 MHz | 150 MHz |
---|---|---|
Memory clock | 800 MHz 1600 Mbps effective | 183 MHz |
Memory size | 1024 MB | 32 MB |
---|---|---|
Memory type | GDDR3 | SDR |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 25.60 GB/s | 2.928 GB/s |
Shading units | 400 | — |
---|---|---|
TMUs | 20 | 2 |
ROPs | 8 | 2 |
Compute units | 5 | — |
Cache L1 | 8 KB (per CU) | — |
Cache L2 | 256 KB | — |
Pixel shaders | — | 2 |
Vertex shaders | — | 0 |
Pixel rate | 3.600 GPixel/s | 300.0 MPixel/s |
---|---|---|
Texture rate | 9.000 GTexel/s | 300.0 MTexel/s |
FP32 (float) performance | 360.0 GFLOPS | — |
TDP | 20 W | unknown |
---|---|---|
Outputs | No outputs | 1x VGA2x S-Video |
Slot width | — | Single-slot |
Suggested PSU | — | 200 W |
Power connectors | — | None |
DirectX | 11.2 (11_0) | 6.0 |
---|---|---|
OpenGL | 4.4 | 1.2 |
OpenCL | 1.2 | — |
Vulkan | — | — |
Shader model | 5.0 | — |
Pixel shader | — | — |
Vertex shader | — | — |
Release date | — | Mar 15th, 1999 |
---|---|---|
Generation | — | TNT2 |
Production | — | End-of-life |
Launch price | — | 299 USD |
Interface | — | AGP 4x |
Predecessor | — | Riva |
Successor | — | GeForce 256 |