GPU model | RV620 | GF108 |
---|---|---|
Architecture | TeraScale | Fermi |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 40 nm |
Number of transistors | 181 million | 585 million |
Die size | 67 mm² | 116 mm² |
GPU variant | — | GF108-300-A1 |
Release date | 2008 | — |
---|---|---|
Generation | FirePro Multi-View | — |
Production | End-of-life | — |
Interface | PCI | — |
GPU clock | 500 MHz | 672 MHz |
---|---|---|
Memory clock | 500 MHz 1000 Mbps effective | 785 MHz 3.1 Gbps effective |
Shader clock | — | 1344 MHz |
Memory size | 256 MB | 1024 MB |
---|---|---|
Memory type | DDR2 | GDDR5 |
Memory bus width | 64 bit | 64 bit |
Bandwidth | 8.000 GB/s | 25.12 GB/s |
Shading units | 40 | 96 |
---|---|---|
TMUs | 4 | 16 |
ROPs | 4 | 4 |
Compute units | 2 | — |
SM count | — | 2 |
Cache L1 | — | 64 KB (per SM) |
Cache L2 | — | 128 KB |
Pixel rate | 2.000 GPixel/s | 2.688 GPixel/s |
---|---|---|
Texture rate | 2.000 GTexel/s | 10.75 GTexel/s |
FP32 (float) performance | 40.00 GFLOPS | 258.0 GFLOPS |
FP64 (double) performance | — | 21.50 GFLOPS (1:12) |
Slot width | Single-slot | MXM Module |
---|---|---|
Length | 170 mm 6.7 inches | — |
Width | 69 mm 2.7 inches | — |
TDP | 15 W | 25 W |
Suggested PSU | 200 W | — |
Outputs | 2x DisplayPort | No outputs |
Power connectors | None | — |
Board number | B403 | — |
DirectX | 10.1 (10_1) | 12 (11_0) |
---|---|---|
OpenGL | 3.3 | 4.6 |
OpenCL | — | 1.1 |
Vulkan | — | — |
Shader model | 4.1 | 5.1 |
CUDA | — | 2.1 |
Release date | — | Sep 17th, 2012 |
---|---|---|
Generation | — | NVS Mobile (x200M) |
Production | — | End-of-life |
Interface | — | MXM |
Reviews | — | 26 in our database |