NVIDIA Quadro FX 3800 vs NVIDIA Quadro K420
Graphics Processor
| GPU model | GT200B | GK107 |
|---|---|---|
| GPU variant | G200-835-B2 | GK107-301-A2 |
| Architecture | Tesla 2.0 | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 28 nm |
| Number of transistors | 1,400 million | 1,270 million |
| Die size | 470 mm² | 118 mm² |
Graphics Card
| Release date | Mar 30th, 2009 | Jul 22nd, 2014 |
|---|---|---|
| Generation | Quadro FX | Quadro |
| Production | End-of-life | End-of-life |
| Launch price | 799 USD | — |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 26 in our database | 26 in our database |
Clocks
| GPU clock | 600 MHz | 876 MHz |
|---|---|---|
| Shader clock | 1204 MHz | — |
| Memory clock | 800 MHz 1600 Mbps effective | 891 MHz 1782 Mbps effective |
Memory Configuration
| Memory size | 1024 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | DDR3 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 51.20 GB/s | 28.51 GB/s |
Render Configuration
| Shading units | 192 | 192 |
|---|---|---|
| TMUs | 64 | 16 |
| ROPs | 16 | 16 |
| SM count | 24 | — |
| Cache L2 | 128 KB | 256 KB |
| SMX count | — | 1 |
| Cache L1 | — | 16 KB (per SMX) |
Performance
| Pixel rate | 9.600 GPixel/s | 3.504 GPixel/s |
|---|---|---|
| Texture rate | 38.40 GTexel/s | 14.02 GTexel/s |
| FP32 (float) performance | 462.3 GFLOPS | 336.4 GFLOPS |
| FP64 (double) performance | 57.79 GFLOPS (1:8) | 14.02 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| Length | 198 mm 7.8 inches | 160 mm 6.3 inches |
| Width | 111 mm 4.4 inches | 69 mm 2.7 inches |
| TDP | 108 W | 41 W |
| Suggested PSU | 300 W | 200 W |
| Outputs | 1x DVI2x DisplayPort | 1x DVI1x DisplayPort |
| Power connectors | 1x 6-pin | None |
| Board number | P755 | P2012 |
API Support & Features
| DirectX | 11.1 (10_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 1.3 | 3.0 |
| Shader model | 4.0 | 5.1 |
