GPU model | RV620 | GT216 |
---|---|---|
Architecture | TeraScale | Tesla 2.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 40 nm |
Number of transistors | 181 million | 486 million |
Die size | 67 mm² | 100 mm² |
Release date | 2008 | Sep 3rd, 2010 |
---|---|---|
Generation | FirePro Multi-View | GeForce 400 |
Production | End-of-life | End-of-life |
Interface | PCI | PCIe 2.0 x16 |
Predecessor | — | GeForce 200 |
Successor | — | GeForce 500 |
GPU clock | 500 MHz | 475 MHz |
---|---|---|
Memory clock | 500 MHz 1000 Mbps effective | 800 MHz 1600 Mbps effective |
Shader clock | — | 1100 MHz |
Memory size | 256 MB | 512 MB |
---|---|---|
Memory type | DDR2 | DDR3 |
Memory bus width | 64 bit | 64 bit |
Bandwidth | 8.000 GB/s | 12.80 GB/s |
Shading units | 40 | 48 |
---|---|---|
TMUs | 4 | 16 |
ROPs | 4 | 8 |
Compute units | 2 | — |
SM count | — | 6 |
Cache L2 | — | 32 KB |
Pixel rate | 2.000 GPixel/s | 3.800 GPixel/s |
---|---|---|
Texture rate | 2.000 GTexel/s | 7.600 GTexel/s |
FP32 (float) performance | 40.00 GFLOPS | 105.6 GFLOPS |
Slot width | Single-slot | Single-slot |
---|---|---|
Length | 170 mm 6.7 inches | 168 mm 6.6 inches |
Width | 69 mm 2.7 inches | — |
TDP | 15 W | 25 W |
Suggested PSU | 200 W | 200 W |
Outputs | 2x DisplayPort | 1x DVI1x HDMI1x VGA |
Power connectors | None | — |
Board number | B403 | — |
DirectX | 10.1 (10_1) | 11.1 (10_1) |
---|---|---|
OpenGL | 3.3 | 3.3 |
OpenCL | — | 1.1 |
Vulkan | — | — |
Shader model | 4.1 | 4.1 |
CUDA | — | 1.2 |