AMD Radeon RX 6800M vs AMD Radeon Vega 8 Mobile
Graphics Processor
| GPU model | Navi 22 | Picasso |
|---|---|---|
| GPU variant | Navi 22 XTM | — |
| Architecture | RDNA 2.0 | GCN 5.0 |
| Foundry | TSMC | GlobalFoundries |
| Manufacturing process | 7 nm | 14 nm |
| Number of transistors | 17,200 million | 4,940 million |
| Die size | 335 mm² | 210 mm² |
Mobile graphics
| Release date | 2021 | — |
|---|---|---|
| gpu.details.availability | 2021 | — |
| Generation | Mobility Radeon (Navi II) | — |
| Production | Active | — |
| Interface | PCIe 4.0 x16 | — |
| Reviews | 2 in our database | — |
Clocks
| Base clock | 2321 MHz | 300 MHz |
|---|---|---|
| Game clock | 2424 MHz | — |
| Boost clock | 2581 MHz | 1200 MHz |
| Memory clock | 2000 MHz 16 Gbps effective | System Shared |
Memory Configuration
| Memory size | 12 GB | System Shared |
|---|---|---|
| Memory type | GDDR6 | System Shared |
| Memory bus width | 192 bit | System Shared |
| Bandwidth | 384.0 GB/s | System Dependent |
Render Configuration
| Shading units | 2560 | 512 |
|---|---|---|
| TMUs | 160 | 32 |
| ROPs | 64 | 8 |
| Compute units | 40 | 8 |
| RT cores | 40 | — |
| gpu.details.l0-cache | 32 KB per WGP | — |
| Cache L1 | 128 KB per Array | — |
| Cache L2 | 3 MB | — |
| gpu.details.l3-cache | 96 MB | — |
Performance
| Pixel rate | 165.2 GPixel/s | 9.600 GPixel/s |
|---|---|---|
| Texture rate | 413.0 GTexel/s | 38.40 GTexel/s |
| FP16 (half) performance | 26.43 TFLOPS (2:1) | 2.458 TFLOPS (2:1) |
| FP32 (float) performance | 13.21 TFLOPS | 1,229 GFLOPS |
| FP64 (double) performance | 825.9 GFLOPS (1:16) | 76.80 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Dual-slot | IGP |
|---|---|---|
| TDP | 230 W | 15 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | — |
API Support & Features
| DirectX | 12 Ultimate (12_2) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.5 | 6.4 |
Other Features
Integrated Graphics
| Release date | — | Apr 8th, 2019 |
|---|---|---|
| Generation | — | Picasso (Vega Mobile) |
| Production | — | Active |
| Interface | — | IGP |
| Predecessor | — | Raven Ridge |
| Successor | — | Renoir |
