AMD Radeon RX 550X vs AMD Radeon RX 6700 XT
Graphics Processor
| GPU model | Lexa | Navi 22 |
|---|---|---|
| GPU variant | Lexa PRO (215-0904018) | Navi 22 XT (215-127000006) |
| Architecture | GCN 4.0 | RDNA 2.0 |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 7 nm |
| Number of transistors | 2,200 million | 17,200 million |
| Die size | 103 mm² | 335 mm² |
Graphics Card
| Release date | Dec 16th, 2018 | Mar 3rd, 2021 |
|---|---|---|
| Generation | Polaris | Navi II |
| Production | End-of-life | Active |
| Interface | PCIe 3.0 x8 | PCIe 4.0 x16 |
| Predecessor | Polaris | Navi |
| Successor | Vega | Navi III |
| gpu.details.availability | — | Mar 18th, 2021 |
| Launch price | — | 479 USD |
| Reviews | — | 56 in our database |
Clocks
| Base clock | 1100 MHz | 2321 MHz |
|---|---|---|
| Boost clock | 1183 MHz | 2581 MHz |
| Memory clock | 1500 MHz 6 Gbps effective | 2000 MHz 16 Gbps effective |
| Game clock | — | 2424 MHz |
Memory Configuration
| Memory size | 4 GB | 12 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR6 |
| Memory bus width | 128 bit | 192 bit |
| Bandwidth | 96.00 GB/s | 384.0 GB/s |
Render Configuration
| Shading units | 512 | 2560 |
|---|---|---|
| TMUs | 32 | 160 |
| ROPs | 16 | 64 |
| Compute units | 8 | 40 |
| Cache L1 | 16 KB (per CU) | 128 KB per Array |
| Cache L2 | 512 KB | 3 MB |
| RT cores | — | 40 |
| gpu.details.l0-cache | — | 32 KB per WGP |
| gpu.details.l3-cache | — | 96 MB |
Performance
| Pixel rate | 18.93 GPixel/s | 165.2 GPixel/s |
|---|---|---|
| Texture rate | 37.86 GTexel/s | 413.0 GTexel/s |
| FP16 (half) performance | 1,211 GFLOPS (1:1) | 26.43 TFLOPS (2:1) |
| FP32 (float) performance | 1,211 GFLOPS | 13.21 TFLOPS |
| FP64 (double) performance | 75.71 GFLOPS (1:16) | 825.9 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 145 mm 5.7 inches | 267 mm 10.5 inches |
| TDP | 50 W | 230 W |
| Suggested PSU | 250 W | 550 W |
| Outputs | 1x DVI1x HDMI1x DisplayPort | 1x HDMI3x DisplayPort |
| Power connectors | None | 1x 6-pin + 1x 8-pin |
| Board number | D090 | D512 |
| Width | — | 110 mm 4.3 inches |
| Height | — | 40 mm 1.6 inches |
API Support & Features
| DirectX | 12 (12_0) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.5 |
