AMD Radeon 550X vs AMD Radeon HD 7950 Monica BIOS 2
What is the difference between AMD Radeon 550X and AMD Radeon HD 7950 Monica BIOS 2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Lexa | GPU Name | Tahiti |
| Lexa PRO (215-0904018) | Model number | Tahiti PRO (215-0821056) |
| GCN 4.0 | Architecture | GCN 1.0 |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 28 nm |
| 2,200 million | Transistors | 4,313 million |
| 103 mm² | Die Size | 352 mm² |
Graphics Card
| Mar 27th, 2019 | Release Date | Jan 31st, 2012 |
| Polaris (RX 500X) | Family | Southern Islands (HD 7900) |
| Active | Production | End-of-life |
| Polaris | Predecessor | Northern Islands |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 3 GB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 384 bit |
| 112.0 GB/s | Bandwidth | 240.0 GB/s |
Performance
| 19.49 GPixel/s | Pixel fillrate | 25.60 GPixel/s |
| 38.98 GTexel/s | Texture fillrate | 38.40 GTexel/s |
| 1,247 GFLOPS | FP32 (float) performance | 1,229 GFLOPS |
| 77.95 GFLOPS (1:16) | FP64 (double) performance | 307.2 GFLOPS (1:4) |
Clock Speeds
| 1750 MHz 7 Gbps effective | Memory Clock | 1250 MHz 5 Gbps effective |
Render Config
| 512 | Shading Units | 768 |
| 32 | TMUs | 48 |
| 16 | ROPs | 32 |
| 8 | Compute Units | 12 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 768 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 145 mm 5.7 inches | Length | 267 mm 10.5 inches |
| 50 W | Thermal design power (TDP) | 85 W |
| 250 W | Suggested PSU | 250 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 1x DVI 1x HDMI 2x mini-DisplayPort |
| None | Power Connectors | 1x 6-pin + 1x 8-pin |
| D090 | Board Number | C386 |
API support
| 12 (12_0) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 6.4 | Shader Model | 5.1 |