ATI Radeon HD 3450 vs NVIDIA GeForce GT 120 Mac Edition
Graphics Processor
| GPU model | RV620 | G96C |
|---|---|---|
| GPU variant | RV620 LE | — |
| Architecture | TeraScale | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 55 nm |
| Number of transistors | 181 million | 314 million |
| Die size | 67 mm² | 121 mm² |
Graphics Card
| Release date | Dec 10th, 2007 | Jan 20th, 2009 |
|---|---|---|
| Generation | Radeon R600 | GeForce 100 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 7 in our database | — |
| Predecessor | Radeon R500 PCIe | GeForce 9 |
| Successor | Radeon R700 | GeForce 200 |
Clocks
| GPU clock | 600 MHz | 550 MHz |
|---|---|---|
| Memory clock | 500 MHz 1000 Mbps effective | 800 MHz 1600 Mbps effective |
| Shader clock | — | 1400 MHz |
Memory Configuration
| Memory size | 256 MB | 512 MB |
|---|---|---|
| Memory type | DDR2 | GDDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 8.000 GB/s | 25.60 GB/s |
Render Configuration
| Shading units | 40 | 32 |
|---|---|---|
| TMUs | 4 | 16 |
| ROPs | 4 | 8 |
| Compute units | 2 | — |
| Cache L2 | 64 KB | 32 KB |
| SM count | — | 4 |
Performance
| Pixel rate | 2.400 GPixel/s | 4.400 GPixel/s |
|---|---|---|
| Texture rate | 2.400 GTexel/s | 8.800 GTexel/s |
| FP32 (float) performance | 48.00 GFLOPS | 89.60 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | 25 W | 50 W |
| Suggested PSU | 200 W | 250 W |
| Outputs | 1x DVI1x VGA1x S-Video | 1x DVI1x mini-DisplayPort |
| Power connectors | None | None |
| Board number | B629 | P815 |
| Length | — | 145 mm 5.7 inches |
API Support & Features
| DirectX | 10.1 (10_1) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 4.1 | 4.0 |
| CUDA | — | 1.1 |
