ATI Radeon 9700 PRO X4 vs ATI Radeon HD 4770
Graphics Processor
| GPU model | R300 | RV740 |
|---|---|---|
| Architecture | Rage 8 | TeraScale |
| Foundry | TSMC | TSMC |
| Manufacturing process | 150 nm | 40 nm |
| Number of transistors | 110 million | 826 million |
| Die size | 215 mm² | 137 mm² |
| GPU variant | — | RV740 XT (215-0727019) |
Graphics Card
| Release date | Jul 1st, 2002 | Apr 28th, 2009 |
|---|---|---|
| Generation | Radeon R300 | Radeon R700 |
| Production | End-of-life | End-of-life |
| Interface | PCI | PCIe 2.0 x16 |
| Reviews | 1 in our database | 82 in our database |
| Predecessor | Radeon R200 | Radeon R600 |
| Successor | Radeon R400 AGP | Evergreen |
| Launch price | — | 109 USD |
Clocks
| GPU clock | 325 MHz | 750 MHz |
|---|---|---|
| Memory clock | 310 MHz 620 Mbps effective | 800 MHz 3.2 Gbps effective |
Memory Configuration
| Memory size | 128 MB | 512 MB |
|---|---|---|
| Memory type | DDR | GDDR5 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 19.84 GB/s | 51.20 GB/s |
Render Configuration
| Pixel shaders | 8 | — |
|---|---|---|
| Vertex shaders | 4 | — |
| TMUs | 8 | 32 |
| ROPs | 8 | 16 |
| Shading units | — | 640 |
| Compute units | — | 8 |
| Cache L1 | — | 16 KB (per CU) |
| Cache L2 | — | 128 KB |
Performance
| Pixel rate | 2.600 GPixel/s | 12.00 GPixel/s |
|---|---|---|
| Vertex rate | 325.0 MVertices/s | — |
| Texture rate | 2.600 GTexel/s | 24.00 GTexel/s |
| FP32 (float) performance | — | 960.0 GFLOPS |
| FP64 (double) performance | — | 192.0 GFLOPS (1:5) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| TDP | unknown | 80 W |
| Suggested PSU | 200 W | 250 W |
| Outputs | 4x DVI | 2x DVI1x S-Video |
| Power connectors | 2x Molex | 1x 6-pin |
| Length | — | 203 mm 8 inches |
| Board number | — | B743 |
API Support & Features
| DirectX | 9.0 (9_0) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 2.0 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Pixel shader | 2.0 | — |
| Vertex shader | 2.0 | — |
| Shader model | — | 4.1 |
