ATI Radeon HD 4550 vs ATI Radeon HD 5450
Graphics Processor
| GPU model | RV710 | Cedar |
|---|---|---|
| GPU variant | RV710 (215-0725016) | Cedar PRO |
| Architecture | TeraScale | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 40 nm |
| Number of transistors | 242 million | 292 million |
| Die size | 73 mm² | 59 mm² |
Graphics Card
| Release date | Sep 30th, 2008 | Feb 4th, 2010 |
|---|---|---|
| Generation | Radeon R700 | Evergreen |
| Production | End-of-life | End-of-life |
| Launch price | 59 USD | — |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 18 in our database | 34 in our database |
| Predecessor | Radeon R600 | Radeon R700 |
| Successor | Evergreen | Northern Islands |
Clocks
| GPU clock | 600 MHz | 650 MHz |
|---|---|---|
| Memory clock | 655 MHz 1310 Mbps effective | 400 MHz 800 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 512 MB |
|---|---|---|
| Memory type | DDR2 | DDR2 |
| Memory bus width | 64 bit | 64 bit |
| Bandwidth | 10.48 GB/s | 6.400 GB/s |
Render Configuration
| Shading units | 80 | 80 |
|---|---|---|
| TMUs | 8 | 8 |
| ROPs | 4 | 4 |
| Compute units | 1 | 2 |
| Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
| Cache L2 | 64 KB | 128 KB |
Performance
| Pixel rate | 2.400 GPixel/s | 2.600 GPixel/s |
|---|---|---|
| Texture rate | 4.800 GTexel/s | 5.200 GTexel/s |
| FP32 (float) performance | 96.00 GFLOPS | 104.0 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| Length | 168 mm 6.6 inches | 170 mm 6.7 inches |
| TDP | 25 W | 19 W |
| Suggested PSU | 200 W | 200 W |
| Outputs | 1x DVI1x HDMI1x DisplayPort | 1x DVI1x HDMI1x VGA |
| Power connectors | None | None |
| Board number | AB711, B725, B889, B890, B947 | B750, B982, C026, C027, C028, C070, C093, C096, C267 |
API Support & Features
| DirectX | 10.1 (10_1) | 11.2 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.4 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | — | — |
| Shader model | 4.1 | 5.0 |
