ATI Radeon HD 4850 vs AMD Radeon R9 M265X
What is the difference between ATI Radeon HD 4850 and AMD Radeon R9 M265X. Find out which graphics card has better performance.
Graphics Processor (GPU)
| RV770 | GPU Name | Venus |
| RV770 PRO (215-0669065) | Model number | Venus PRO |
| TeraScale | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 956 million | Transistors | 1,500 million |
| 256 mm² | Die Size | 123 mm² |
Graphics Card
| Jun 25th, 2008 | Release Date | Mar 21st, 2014 |
| Radeon R700 (HD 4800) | Family | Crystal System (R9 M200) |
| End-of-life | Production | End-of-life |
| Radeon R600 | Predecessor | Solar System |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 512 MB | Memory Size | 2 GB |
| GDDR3 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 128 bit |
| 63.55 GB/s | Bandwidth | 64.00 GB/s |
Performance
| 10.00 GPixel/s | Pixel fillrate | 10.00 GPixel/s |
| 25.00 GTexel/s | Texture fillrate | 25.00 GTexel/s |
| 1,000 GFLOPS | FP32 (float) performance | 800.0 GFLOPS |
| 200.0 GFLOPS (1:5) | FP64 (double) performance | 50.00 GFLOPS (1:16) |
Clock Speeds
| 993 MHz 1986 Mbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
Render Config
| 800 | Shading Units | 640 |
| 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
| 110 W | Thermal design power (TDP) | unknown |
| 2x DVI 1x S-Video | Display Connectors | No outputs |
API support
| 10.1 (10_1) | DirectX | 12 (11_1) |
| 3.3 | OpenGL | 4.6 |
| 1.1 | OpenCL | 1.2 |
| N/A | Vulkan | 1.2 |
| 4.1 | Shader Model | 5.1 |