ATI Radeon HD 2600 PRO vs ATI Radeon HD 4650
Graphics Processor
| GPU model | RV630 | RV730 |
|---|---|---|
| GPU variant | RV630 PRO (215CDBBKA15FG) | RV730 PRO (215-0719056) |
| Architecture | TeraScale | TeraScale |
| Foundry | TSMC | TSMC |
| Manufacturing process | 65 nm | 55 nm |
| Number of transistors | 390 million | 514 million |
| Die size | 153 mm² | 146 mm² |
Graphics Card
| Release date | Jun 28th, 2007 | Sep 10th, 2008 |
|---|---|---|
| Generation | Radeon R600 | Radeon R700 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Reviews | 82 in our database | 20 in our database |
| Predecessor | Radeon R500 PCIe | Radeon R600 |
| Successor | Radeon R700 | Evergreen |
Clocks
| GPU clock | 600 MHz | 600 MHz |
|---|---|---|
| Memory clock | 500 MHz 1000 Mbps effective | 700 MHz 1400 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 256 MB |
|---|---|---|
| Memory type | DDR2 | GDDR3 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 16.00 GB/s | 22.40 GB/s |
Render Configuration
| Shading units | 120 | 320 |
|---|---|---|
| TMUs | 8 | 32 |
| ROPs | 4 | 8 |
| Compute units | 3 | 4 |
| Cache L2 | 64 KB | 128 KB |
| Cache L1 | — | 16 KB (per CU) |
Performance
| Pixel rate | 2.400 GPixel/s | 4.800 GPixel/s |
|---|---|---|
| Texture rate | 4.800 GTexel/s | 19.20 GTexel/s |
| FP32 (float) performance | 144.0 GFLOPS | 384.0 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | 35 W | 48 W |
| Suggested PSU | 200 W | 200 W |
| Outputs | 2x DVI1x S-Video | 2x DVI1x S-Video |
| Power connectors | None | — |
| Board number | B148 | — |
| Length | — | 193 mm 7.6 inches |
API Support & Features
| DirectX | 10.0 (10_0) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 4.0 | 4.1 |