NVIDIA GeForce GT 620 vs NVIDIA GeForce2 GTS
Graphics Processor
| GPU model | GF108 | NV15 |
|---|---|---|
| GPU variant | GF108-100-KB-A1 | GeForce2 GTS |
| Architecture | Fermi | Celsius |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 150 nm |
| Number of transistors | 585 million | 25 million |
| Die size | 116 mm² | 88 mm² |
Graphics Card
| Release date | May 15th, 2012 | Apr 26th, 2000 |
|---|---|---|
| Generation | GeForce 600 | GeForce 2 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | AGP 4x |
| Predecessor | GeForce 500 | GeForce 2 MX |
| Successor | GeForce 700 | GeForce 3 |
Clocks
| GPU clock | 700 MHz | 200 MHz |
|---|---|---|
| Shader clock | 1400 MHz | — |
| Memory clock | 900 MHz 1800 Mbps effective | 166 MHz 332 Mbps effective |
Memory Configuration
| Memory size | 1024 MB | 32 MB |
|---|---|---|
| Memory type | DDR3 | DDR |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 14.40 GB/s | 5.312 GB/s |
Render Configuration
| Shading units | 96 | — |
|---|---|---|
| TMUs | 16 | 8 |
| ROPs | 4 | 4 |
| SM count | 2 | — |
| Cache L1 | 64 KB (per SM) | — |
| Cache L2 | 128 KB | — |
| Pixel shaders | — | 4 |
| Vertex shaders | — | 0 |
Performance
| Pixel rate | 2.800 GPixel/s | 800.0 MPixel/s |
|---|---|---|
| Texture rate | 11.20 GTexel/s | 1.600 GTexel/s |
| FP32 (float) performance | 268.8 GFLOPS | — |
| FP64 (double) performance | 22.40 GFLOPS (1:12) | — |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| Length | 145 mm 5.7 inches | — |
| TDP | 49 W | unknown |
| Suggested PSU | 200 W | 200 W |
| Outputs | 1x DVI1x HDMI1x VGA | 1x VGA |
| Power connectors | None | None |
| Board number | P1071 | — |
API Support & Features
| DirectX | 12 (11_0) | 7.0 |
|---|---|---|
| OpenGL | 4.6 | 1.5 |
| OpenCL | 1.1 | — |
| Vulkan | — | — |
| CUDA | 2.1 | — |
| Shader model | 5.1 | — |
| Pixel shader | — | 0.5 |
| Vertex shader | — | — |
