ATI Radeon HD 3650 vs ATI Radeon HD 4570 Rebrand
Graphics Processor
| GPU model | RV635 | RV635 |
|---|---|---|
| GPU variant | RV635 PRO (215-0682008) | RV635 PRO (215-0682008) |
| Architecture | TeraScale | TeraScale |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 55 nm |
| Number of transistors | 378 million | 378 million |
| Die size | 135 mm² | 135 mm² |
Graphics Card
| Release date | Jan 20th, 2008 | Nov 22nd, 2009 |
|---|---|---|
| Generation | Radeon R600 | Radeon R700 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 28 in our database | — |
| Predecessor | Radeon R500 PCIe | Radeon R600 |
| Successor | Radeon R700 | Evergreen |
Clocks
| GPU clock | 725 MHz | 796 MHz |
|---|---|---|
| Memory clock | 800 MHz 1600 Mbps effective | 396 MHz 792 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | DDR2 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 25.60 GB/s | 12.67 GB/s |
Render Configuration
| Shading units | 120 | 120 |
|---|---|---|
| TMUs | 8 | 8 |
| ROPs | 4 | 4 |
| Compute units | 3 | 3 |
| Cache L2 | 128 KB | 128 KB |
Performance
| Pixel rate | 2.900 GPixel/s | 3.184 GPixel/s |
|---|---|---|
| Texture rate | 5.800 GTexel/s | 6.368 GTexel/s |
| FP32 (float) performance | 174.0 GFLOPS | 191.0 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | 65 W | 65 W |
| Suggested PSU | 250 W | 250 W |
| Outputs | 2x DVI1x S-Video | 2x DVI1x S-Video |
| Power connectors | None | — |
| Board number | B381 | — |
| Length | — | 190 mm 7.5 inches |
API Support & Features
| DirectX | 10.1 (10_1) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 4.1 | 4.1 |
