ATI Radeon HD 3830 vs ATI Radeon HD 3850
What is the difference between ATI Radeon HD 3830 and ATI Radeon HD 3850. Find out which graphics card has better performance.
Graphics Processor (GPU)
| RV670 | GPU Name | RV670 |
| RV670 PRO (215-0708003) | Model number | RV670 PRO (215-0708003) |
| TeraScale | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 55 nm |
| 666 million | Transistors | 666 million |
| 192 mm² | Die Size | 192 mm² |
Graphics Card
| Apr 1st, 2008 | Release Date | Nov 19th, 2007 |
| Radeon R600 (HD 3800) | Family | Radeon R600 (HD 3800) |
| End-of-life | Production | End-of-life |
| Radeon R500 PCIe | Predecessor | Radeon R500 PCIe |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 256 MB | Memory Size | 512 MB |
| GDDR3 | Memory Type | GDDR3 |
| 128 bit | Memory Bus | 256 bit |
| 26.50 GB/s | Bandwidth | 53.12 GB/s |
Performance
| 10.69 GPixel/s | Pixel fillrate | 10.69 GPixel/s |
| 10.69 GTexel/s | Texture fillrate | 10.69 GTexel/s |
| 427.5 GFLOPS | FP32 (float) performance | 427.5 GFLOPS |
| 85.50 GFLOPS (1:5) | FP64 (double) performance | 85.50 GFLOPS (1:5) |
Clock Speeds
| 828 MHz 1656 Mbps effective | Memory Clock | 830 MHz 1660 Mbps effective |
| 668 MHz | GPU Clock | 668 MHz |
Render Config
| 320 | Shading Units | 320 |
| 16 | TMUs | 16 |
| 16 | ROPs | 16 |
| 4 | Compute Units | 4 |
| 128 KB | L2 Cache | 256 KB |
Board Design
| Dual-slot | Slot Width | Single-slot |
| 75 W | Thermal design power (TDP) | 75 W |
| 250 W | Suggested PSU | 250 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
| 1x 6-pin | Power Connectors | 1x 6-pin |
API support
| 10.1 (10_1) | DirectX | 10.1 (10_1) |
| 3.3 (full) 4.0 (partial) | OpenGL | 3.3 (full) 4.0 (partial) |
| N/A | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 4.1 | Shader Model | 4.1 |