ATI Mobility Radeon HD 4850 Mac Edition vs AMD Radeon R7 M340
What is the difference between ATI Mobility Radeon HD 4850 Mac Edition and AMD Radeon R7 M340. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M98 | GPU Name | Opal |
| TeraScale | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 956 million | Transistors | 950 million |
| 256 mm² | Die Size | 77 mm² |
Graphics Card
| Aug 28th, 2009 | Release Date | Dec 6th, 2015 |
| M9x (Mobility HD 4800) | Family | Crystal System (R7 M300) |
| End-of-life | Production | Active |
| M8x | Predecessor | Solar System |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x8 |
Memory
| 512 MB | Memory Size | 1024 MB |
| GDDR3 | Memory Type | DDR3 |
| 256 bit | Memory Bus | 64 bit |
| 54.40 GB/s | Bandwidth | 16.00 GB/s |
Performance
| 8.048 GPixel/s | Pixel fillrate | 5.720 GPixel/s |
| 20.12 GTexel/s | Texture fillrate | 17.16 GTexel/s |
| 804.8 GFLOPS | FP32 (float) performance | 549.1 GFLOPS |
| 161.0 GFLOPS (1:5) | FP64 (double) performance | 34.32 GFLOPS (1:16) |
Clock Speeds
| 850 MHz 1700 Mbps effective | Memory Clock | 1000 MHz 2 Gbps effective |
Render Config
| 800 | Shading Units | 384 |
| 40 | TMUs | 24 |
| 16 | ROPs | 8 |
| 10 | Compute Units | 6 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| unknown | Thermal design power (TDP) | unknown |
| No outputs | 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 |