NVIDIA GeForce GT 620 vs NVIDIA GeForce GTS 250
Graphics Processor
| GPU model | GF108 | G92B |
|---|---|---|
| GPU variant | GF108-100-KB-A1 | G92-426-B1 |
| Architecture | Fermi | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 55 nm |
| Number of transistors | 585 million | 754 million |
| Die size | 116 mm² | 260 mm² |
Graphics Card
| Release date | May 15th, 2012 | Mar 4th, 2009 |
|---|---|---|
| Generation | GeForce 600 | GeForce 200 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Predecessor | GeForce 500 | GeForce 9 |
| Successor | GeForce 700 | GeForce 400 |
| Launch price | — | 199 USD |
| Reviews | — | 58 in our database |
Clocks
| GPU clock | 700 MHz | 675 MHz |
|---|---|---|
| Shader clock | 1400 MHz | 1620 MHz |
| Memory clock | 900 MHz 1800 Mbps effective | 1008 MHz 2 Gbps effective |
Memory Configuration
| Memory size | 1024 MB | 1024 MB |
|---|---|---|
| Memory type | DDR3 | GDDR3 |
| Memory bus width | 64 bit | 256 bit |
| Bandwidth | 14.40 GB/s | 64.51 GB/s |
Render Configuration
| Shading units | 96 | 128 |
|---|---|---|
| TMUs | 16 | 64 |
| ROPs | 4 | 16 |
| SM count | 2 | 16 |
| Cache L1 | 64 KB (per SM) | — |
| Cache L2 | 128 KB | 64 KB |
Performance
| Pixel rate | 2.800 GPixel/s | 10.80 GPixel/s |
|---|---|---|
| Texture rate | 11.20 GTexel/s | 43.20 GTexel/s |
| FP32 (float) performance | 268.8 GFLOPS | 414.7 GFLOPS |
| FP64 (double) performance | 22.40 GFLOPS (1:12) | — |
Dimensions & Outputs
| Slot width | Single-slot | Dual-slot |
|---|---|---|
| Length | 145 mm 5.7 inches | 229 mm 9 inches |
| TDP | 49 W | 150 W |
| Suggested PSU | 200 W | 450 W |
| Outputs | 1x DVI1x HDMI1x VGA | 2x DVI |
| Power connectors | None | 1x 6-pin |
| Board number | P1071 | P365 |
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 |
