AMD Radeon RX 550 vs ATI Radeon 7000
Graphics Processor
| GPU model | Lexa | RV100 |
|---|---|---|
| GPU variant | Lexa PRO (215-0904018) | — |
| Architecture | GCN 4.0 | Rage 6 |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 180 nm |
| Number of transistors | 2,200 million | 30 million |
| Die size | 103 mm² | 80 mm² |
Graphics Card
| Release date | Apr 20th, 2017 | Feb 19th, 2001 |
|---|---|---|
| Generation | Polaris | Radeon R100 |
| Production | End-of-life | End-of-life |
| Launch price | 79 USD | — |
| Interface | PCIe 3.0 x8 | AGP 4x |
| Predecessor | Arctic Islands | Rage 6 |
| Successor | Vega | Radeon R200 |
Clocks
| Base clock | 1100 MHz | — |
|---|---|---|
| Boost clock | 1183 MHz | — |
| Memory clock | 1750 MHz 7 Gbps effective | 183 MHz 366 Mbps effective |
| GPU clock | — | 183 MHz |
Memory Configuration
| Memory size | 2 GB | 32 MB |
|---|---|---|
| Memory type | GDDR5 | DDR |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 112.0 GB/s | 2.928 GB/s |
Render Configuration
| Shading units | 512 | — |
|---|---|---|
| TMUs | 32 | 3 |
| ROPs | 16 | 1 |
| Compute units | 8 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 512 KB | — |
| Pixel shaders | — | 1 |
| Vertex shaders | — | 0 |
Performance
| Pixel rate | 18.93 GPixel/s | 183.0 MPixel/s |
|---|---|---|
| Texture rate | 37.86 GTexel/s | 549.0 MTexel/s |
| FP16 (half) performance | 1,211 GFLOPS (1:1) | — |
| FP32 (float) performance | 1,211 GFLOPS | — |
| FP64 (double) performance | 75.71 GFLOPS (1:16) | — |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| Length | 145 mm 5.7 inches | — |
| TDP | 50 W | 23 W |
| Suggested PSU | 250 W | 200 W |
| Outputs | 1x DVI1x HDMI1x DisplayPort | 1x DVI1x VGA1x S-Video |
| Power connectors | None | None |
| Board number | D090-01 | 785 |
API Support & Features
| DirectX | 12 (12_0) | 7.0 |
|---|---|---|
| OpenGL | 4.6 | 1.3 |
| OpenCL | 2.1 | — |
| Vulkan | 1.2 | — |
| Shader model | 6.4 | — |
| Pixel shader | — | 1.4 |
| Vertex shader | — | 1.1 |
