AMD Radeon 620 Mobile vs AMD Radeon Vega 3
Graphics Processor
| GPU model | Polaris 24 | Picasso |
|---|---|---|
| GPU variant | Polaris 24 XL | — |
| Architecture | GCN 3.0 | GCN 5.0 |
| Foundry | TSMC | GlobalFoundries |
| Manufacturing process | 28 nm | 14 nm |
| Number of transistors | 1,550 million | 4,940 million |
| Die size | 125 mm² | 210 mm² |
Mobile graphics
| Release date | May 13th, 2019 | — |
|---|---|---|
| Generation | Mobility Radeon (M600) | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | Crystal System | — |
Clocks
| Base clock | 730 MHz | 300 MHz |
|---|---|---|
| Boost clock | 1024 MHz | 1100 MHz |
| Memory clock | 900 MHz 1800 Mbps effective | System Shared |
Memory Configuration
| Memory size | 2 GB | System Shared |
|---|---|---|
| Memory type | DDR3 | System Shared |
| Memory bus width | 64 bit | System Shared |
| Bandwidth | 14.40 GB/s | System Dependent |
Render Configuration
| Shading units | 384 | 192 |
|---|---|---|
| TMUs | 24 | 12 |
| ROPs | 8 | 4 |
| Compute units | 6 | 3 |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 128 KB | — |
Performance
| Pixel rate | 8.192 GPixel/s | 4.400 GPixel/s |
|---|---|---|
| Texture rate | 24.58 GTexel/s | 13.20 GTexel/s |
| FP16 (half) performance | 786.4 GFLOPS (1:1) | 844.8 GFLOPS (2:1) |
| FP32 (float) performance | 786.4 GFLOPS | 422.4 GFLOPS |
| FP64 (double) performance | 49.15 GFLOPS (1:16) | 26.40 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | IGP | IGP |
|---|---|---|
| TDP | 50 W | 15 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | None |
API Support & Features
| DirectX | 12 (12_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.3 | 6.4 |
Other Features
Integrated Graphics
| Release date | — | Nov 20th, 2019 |
|---|---|---|
| Generation | — | Picasso (Vega) |
| Production | — | Active |
| Interface | — | IGP |
| Predecessor | — | Raven Ridge |
| Successor | — | Renoir |
