NVIDIA GeForce GT 620 vs NVIDIA Quadro FX 1800
Graphics Processor
| GPU model | GF108 | G94 |
|---|---|---|
| GPU variant | GF108-100-KB-A1 | G94 GL-U |
| Architecture | Fermi | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 65 nm |
| Number of transistors | 585 million | 505 million |
| Die size | 116 mm² | 240 mm² |
Graphics Card
| Release date | May 15th, 2012 | Mar 30th, 2009 |
|---|---|---|
| Generation | GeForce 600 | Quadro FX |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Predecessor | GeForce 500 | — |
| Successor | GeForce 700 | — |
| Launch price | — | 489 USD |
| Reviews | — | 26 in our database |
Clocks
| GPU clock | 700 MHz | 550 MHz |
|---|---|---|
| Shader clock | 1400 MHz | 1375 MHz |
| Memory clock | 900 MHz 1800 Mbps effective | 800 MHz 1600 Mbps effective |
Memory Configuration
| Memory size | 1024 MB | 768 MB |
|---|---|---|
| Memory type | DDR3 | GDDR3 |
| Memory bus width | 64 bit | 192 bit |
| Bandwidth | 14.40 GB/s | 38.40 GB/s |
Render Configuration
| Shading units | 96 | 64 |
|---|---|---|
| TMUs | 16 | 32 |
| ROPs | 4 | 12 |
| SM count | 2 | 8 |
| Cache L1 | 64 KB (per SM) | — |
| Cache L2 | 128 KB | 48 KB |
Performance
| Pixel rate | 2.800 GPixel/s | 6.600 GPixel/s |
|---|---|---|
| Texture rate | 11.20 GTexel/s | 17.60 GTexel/s |
| FP32 (float) performance | 268.8 GFLOPS | 176.0 GFLOPS |
| FP64 (double) performance | 22.40 GFLOPS (1:12) | — |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| Length | 145 mm 5.7 inches | 198 mm 7.8 inches |
| TDP | 49 W | 59 W |
| Suggested PSU | 200 W | 250 W |
| Outputs | 1x DVI1x HDMI1x VGA | 1x DVI2x DisplayPort |
| Power connectors | None | None |
| Board number | P1071 | P744 |
| Width | — | 111 mm 4.4 inches |
API Support & Features
| DirectX | 12 (11_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 2.1 | 1.1 |
| Shader model | 5.1 | 4.0 |
