AMD Radeon RX 580 Mobile vs NVIDIA GeForce RTX 3080 Max-Q
Graphics Processor
| GPU model | Polaris 20 | GA104 |
|---|---|---|
| GPU variant | Polaris 20M XT | GA104-775-A1 |
| Architecture | GCN 4.0 | Ampere |
| Foundry | GlobalFoundries | Samsung |
| Manufacturing process | 14 nm | 8 nm |
| Number of transistors | 5,700 million | 17,400 million |
| Die size | 232 mm² | 392 mm² |
Mobile graphics
| Release date | Apr 18th, 2017 | Jan 12th, 2021 |
|---|---|---|
| Generation | Mobility Radeon (RX M500) | GeForce 30 Mobile |
| Production | Active | Active |
| Interface | MXM-B (3.0) | PCIe 4.0 x16 |
| Predecessor | Crystal System | GeForce 20 Mobile |
| gpu.details.availability | — | Feb 2nd, 2021 |
Clocks
| Base clock | 1000 MHz | 780 MHz |
|---|---|---|
| Boost clock | 1077 MHz | 1245 MHz |
| Memory clock | 2000 MHz 8 Gbps effective | 1500 MHz 12 Gbps effective |
Memory Configuration
| Memory size | 8 GB | 8 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR6 |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 256.0 GB/s | 384.0 GB/s |
Render Configuration
| Shading units | 2304 | 6144 |
|---|---|---|
| TMUs | 144 | 192 |
| ROPs | 32 | 96 |
| Compute units | 36 | — |
| Cache L1 | 16 KB (per CU) | 128 KB (per SM) |
| Cache L2 | 2 MB | 4 MB |
| SM count | — | 48 |
| Tensor cores | — | 192 |
| RT cores | — | 48 |
Performance
| Pixel rate | 34.46 GPixel/s | 119.5 GPixel/s |
|---|---|---|
| Texture rate | 155.1 GTexel/s | 239.0 GTexel/s |
| FP16 (half) performance | 4.963 TFLOPS (1:1) | 15.30 TFLOPS (1:1) |
| FP32 (float) performance | 4.963 TFLOPS | 15.30 TFLOPS |
| FP64 (double) performance | 310.2 GFLOPS (1:16) | 239.0 GFLOPS (1:64) |
Dimensions & Outputs
| Slot width | MXM Module | — |
|---|---|---|
| TDP | 100 W | 80 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | None |
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 |
