ATI Radeon HD 5550 vs NVIDIA GeForce GT 620
Graphics Processor
| GPU model | Redwood | GF108 |
|---|---|---|
| GPU variant | Redwood PRO2 | GF108-100-KB-A1 |
| Architecture | TeraScale 2 | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 40 nm |
| Number of transistors | 627 million | 585 million |
| Die size | 104 mm² | 116 mm² |
Graphics Card
| Release date | Feb 9th, 2010 | May 15th, 2012 |
|---|---|---|
| Generation | Evergreen | GeForce 600 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 29 in our database | — |
| Predecessor | Radeon R700 | GeForce 500 |
| Successor | Northern Islands | GeForce 700 |
Clocks
| GPU clock | 550 MHz | 700 MHz |
|---|---|---|
| Memory clock | 800 MHz 3.2 Gbps effective | 900 MHz 1800 Mbps effective |
| Shader clock | — | 1400 MHz |
Memory Configuration
| Memory size | 512 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR5 | DDR3 |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 51.20 GB/s | 14.40 GB/s |
Render Configuration
| Shading units | 320 | 96 |
|---|---|---|
| TMUs | 16 | 16 |
| ROPs | 8 | 4 |
| Compute units | 4 | — |
| Cache L1 | 8 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 256 KB | 128 KB |
| SM count | — | 2 |
Performance
| Pixel rate | 4.400 GPixel/s | 2.800 GPixel/s |
|---|---|---|
| Texture rate | 8.800 GTexel/s | 11.20 GTexel/s |
| FP32 (float) performance | 352.0 GFLOPS | 268.8 GFLOPS |
| FP64 (double) performance | — | 22.40 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| Length | 165 mm 6.5 inches | 145 mm 5.7 inches |
| TDP | 39 W | 49 W |
| Suggested PSU | 200 W | 200 W |
| Outputs | 1x DVI1x HDMI1x VGA | 1x DVI1x HDMI1x VGA |
| Power connectors | None | None |
| Board number | C021, C025, C029 | P1071 |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | — | — |
| Shader model | 5.0 | 5.1 |
| CUDA | — | 2.1 |
