NVIDIA GeForce GT 620M vs NVIDIA GeForce GT 625 OEM
Graphics Processor
| GPU model | GF108 | GF119 |
|---|---|---|
| GPU variant | N13P-GLP-A1 | — |
| Architecture | Fermi | Fermi 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 40 nm |
| Number of transistors | 585 million | 292 million |
| Die size | 116 mm² | 79 mm² |
Mobile graphics
| Release date | Aug 23rd, 2012 | — |
|---|---|---|
| Generation | GeForce 600M | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | GeForce 500M | — |
| Successor | GeForce 700M | — |
Clocks
| GPU clock | 660 MHz | 874 MHz |
|---|---|---|
| Shader clock | 1320 MHz | 1748 MHz |
| Memory clock | 900 MHz 1800 Mbps effective | 825 MHz 1650 Mbps effective |
Memory Configuration
| Memory size | 1024 MB | 1024 MB |
|---|---|---|
| Memory type | DDR3 | DDR3 |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 28.80 GB/s | 13.20 GB/s |
Render Configuration
| Shading units | 96 | 48 |
|---|---|---|
| TMUs | 16 | 8 |
| ROPs | 4 | 4 |
| SM count | 2 | 1 |
| Cache L1 | 64 KB (per SM) | 64 KB (per SM) |
| Cache L2 | 256 KB | 128 KB |
Performance
| Pixel rate | 2.640 GPixel/s | 1.748 GPixel/s |
|---|---|---|
| Texture rate | 10.56 GTexel/s | 6.992 GTexel/s |
| FP32 (float) performance | 253.4 GFLOPS | 167.8 GFLOPS |
| FP64 (double) performance | 21.12 GFLOPS (1:12) | 13.98 GFLOPS (1:12) |
Dimensions & Outputs
| TDP | 15 W | 29 W |
|---|---|---|
| Outputs | No outputs | 1x DVI1x HDMI |
| Slot width | — | Single-slot |
| Length | — | 168 mm 6.6 inches |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 2.1 | 2.1 |
| Shader model | 5.1 | 5.1 |
Other Features
Graphics Card
| Release date | — | Feb 18th, 2013 |
|---|---|---|
| Generation | — | GeForce 600 |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Predecessor | — | GeForce 500 |
| Successor | — | GeForce 700 |
