AMD Radeon HD 8830M vs ATI Radeon HD 4850
What is the difference between AMD Radeon HD 8830M and ATI Radeon HD 4850. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Venus | GPU Name | RV770 |
| Venus LE | Model number | RV770 PRO (215-0669065) |
| GCN 1.0 | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 55 nm |
| 1,500 million | Transistors | 956 million |
| 123 mm² | Die Size | 256 mm² |
Graphics Card
| Apr 1st, 2013 | Release Date | Jun 25th, 2008 |
| Solar System (HD 8800M) | Family | Radeon R700 (HD 4800) |
| End-of-life | Production | End-of-life |
| London | Predecessor | Radeon R600 |
| PCIe 3.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 512 MB |
| DDR3 | Memory Type | GDDR3 |
| 128 bit | Memory Bus | 256 bit |
| 32.00 GB/s | Bandwidth | 63.55 GB/s |
Performance
| 10.00 GPixel/s | Pixel fillrate | 10.00 GPixel/s |
| 25.00 GTexel/s | Texture fillrate | 25.00 GTexel/s |
| 800.0 GFLOPS | FP32 (float) performance | 1,000 GFLOPS |
| 50.00 GFLOPS (1:16) | FP64 (double) performance | 200.0 GFLOPS (1:5) |
Clock Speeds
| 1000 MHz 2 Gbps effective | Memory Clock | 993 MHz 1986 Mbps effective |
Render Config
| 640 | Shading Units | 800 |
| 40 | TMUs | 40 |
| 16 | ROPs | 16 |
| 10 | Compute Units | 10 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| unknown | Thermal design power (TDP) | 110 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
API support
| 12 (11_1) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 |
| 1.2 | OpenCL | 1.1 |
| 1.2 | Vulkan | N/A |
| 5.1 | Shader Model | 4.1 |