NVIDIA GeForce GT 330 OEM vs NVIDIA GeForce GT 420M
Graphics Processor
| GPU model | G92 | GF108 |
|---|---|---|
| Architecture | Tesla | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 65 nm | 40 nm |
| Number of transistors | 754 million | 585 million |
| Die size | 324 mm² | 116 mm² |
| GPU variant | — | N11P-GE-A1 |
Graphics Card
| Release date | Feb 2nd, 2010 | — |
|---|---|---|
| Generation | GeForce 300 | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | GeForce 200 | — |
| Successor | GeForce 400 | — |
Clocks
| GPU clock | 500 MHz | 500 MHz |
|---|---|---|
| Shader clock | 1250 MHz | 1000 MHz |
| Memory clock | 800 MHz 1600 Mbps effective | 800 MHz 1600 Mbps effective |
Memory Configuration
| Memory size | 1024 MB | 512 MB |
|---|---|---|
| Memory type | GDDR3 | DDR3 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 51.20 GB/s | 25.60 GB/s |
Render Configuration
| Shading units | 96 | 96 |
|---|---|---|
| TMUs | 48 | 16 |
| ROPs | 8 | 4 |
| SM count | 12 | 2 |
| Cache L2 | 64 KB | 256 KB |
| Cache L1 | — | 64 KB (per SM) |
Performance
| Pixel rate | 4.000 GPixel/s | 2.000 GPixel/s |
|---|---|---|
| Texture rate | 24.00 GTexel/s | 8.000 GTexel/s |
| FP32 (float) performance | 240.0 GFLOPS | 192.0 GFLOPS |
| FP64 (double) performance | — | 16.00 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | Single-slot | — |
|---|---|---|
| Length | 175 mm 6.9 inches | — |
| TDP | 75 W | 23 W |
| Suggested PSU | 250 W | — |
| Outputs | 1x DVI1x HDMI1x VGA | No outputs |
| Power connectors | None | — |
API Support & Features
| DirectX | 11.1 (10_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 1.1 | 2.1 |
| Shader model | 4.0 | 5.1 |
Other Features
Mobile graphics
| Release date | — | Sep 3rd, 2010 |
|---|---|---|
| Generation | — | GeForce 400M |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Predecessor | — | GeForce 300M |
| Successor | — | GeForce 500M |
