AMD Radeon RX 550 vs NVIDIA GeForce RTX 3080 Ti 20 GB
Graphics Processor
| GPU model | Lexa | GA102 |
|---|---|---|
| GPU variant | Lexa PRO (215-0904018) | GA102-225-A1 |
| Architecture | GCN 4.0 | Ampere |
| Foundry | GlobalFoundries | Samsung |
| Manufacturing process | 14 nm | 8 nm |
| Number of transistors | 2,200 million | 28,300 million |
| Die size | 103 mm² | 628 mm² |
Graphics Card
| Release date | Apr 20th, 2017 | Jan 2022 |
|---|---|---|
| Generation | Polaris | GeForce 30 |
| Production | End-of-life | Active |
| Launch price | 79 USD | 1,199 USD |
| Interface | PCIe 3.0 x8 | PCIe 4.0 x16 |
| Predecessor | Arctic Islands | GeForce 20 |
| Successor | Vega | — |
| gpu.details.availability | — | 2022 |
| Reviews | — | 50 in our database |
Clocks
| Base clock | 1100 MHz | 1335 MHz |
|---|---|---|
| Boost clock | 1183 MHz | 1665 MHz |
| Memory clock | 1750 MHz 7 Gbps effective | 1188 MHz 19 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 20 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR6X |
| Memory bus width | 128 bit | 320 bit |
| Bandwidth | 112.0 GB/s | 760.3 GB/s |
Render Configuration
| Shading units | 512 | 10240 |
|---|---|---|
| TMUs | 32 | 320 |
| ROPs | 16 | 112 |
| Compute units | 8 | — |
| Cache L1 | 16 KB (per CU) | 128 KB (per SM) |
| Cache L2 | 512 KB | 6 MB |
| SM count | — | 80 |
| Tensor cores | — | 320 |
| RT cores | — | 80 |
Performance
| Pixel rate | 18.93 GPixel/s | 186.5 GPixel/s |
|---|---|---|
| Texture rate | 37.86 GTexel/s | 532.8 GTexel/s |
| FP16 (half) performance | 1,211 GFLOPS (1:1) | 34.10 TFLOPS (1:1) |
| FP32 (float) performance | 1,211 GFLOPS | 34.10 TFLOPS |
| FP64 (double) performance | 75.71 GFLOPS (1:16) | 532.8 GFLOPS (1:64) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 145 mm 5.7 inches | 285 mm 11.2 inches |
| TDP | 50 W | 350 W |
| Suggested PSU | 250 W | 750 W |
| Outputs | 1x DVI1x HDMI1x DisplayPort | 1x HDMI3x DisplayPort |
| Power connectors | None | 1x 12-pin |
| Board number | D090-01 | — |
| Width | — | 112 mm 4.4 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 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.6 |
| CUDA | — | 8.6 |
