AMD Radeon RX 6600 vs NVIDIA RTX A3000 Mobile
Graphics Processor
| GPU model | Navi 23 | GA104 |
|---|---|---|
| GPU variant | Navi 23 XL (215-130000016) | — |
| Architecture | RDNA 2.0 | Ampere |
| Foundry | TSMC | Samsung |
| Manufacturing process | 7 nm | 8 nm |
| Number of transistors | 11,060 million | 17,400 million |
| Die size | 237 mm² | 392 mm² |
Graphics Card
| Release date | Oct 13th, 2021 | — |
|---|---|---|
| Generation | Navi II | — |
| Predecessor | Navi | — |
| Production | Active | — |
| Launch price | 329 USD | — |
| Interface | PCIe 4.0 x8 | — |
| Successor | Navi III | — |
Clocks
| Base clock | 1626 MHz | 1260 MHz |
|---|---|---|
| Boost clock | 2491 MHz | 1560 MHz |
| Memory clock | 1750 MHz 14 Gbps effective | 1375 MHz 11 Gbps effective |
| Game clock | 2044 MHz | — |
Memory Configuration
| Memory size | 8 GB | 6 GB |
|---|---|---|
| Memory type | GDDR6 | GDDR6 |
| Memory bus width | 128 bit | 192 bit |
| Bandwidth | 224.0 GB/s | 264.0 GB/s |
Render Configuration
| Shading units | 1792 | 4096 |
|---|---|---|
| TMUs | 112 | 128 |
| ROPs | 64 | 64 |
| Compute units | 28 | — |
| RT cores | 28 | 32 |
| gpu.details.l0-cache | 32 KB per WGP | — |
| Cache L1 | 128 KB per Array | 128 KB (per SM) |
| Cache L2 | 2 MB | 4 MB |
| gpu.details.l3-cache | 32 MB | — |
| SM count | — | 32 |
| Tensor cores | — | 128 |
Performance
| Pixel rate | 159.4 GPixel/s | 99.84 GPixel/s |
|---|---|---|
| Texture rate | 279.0 GTexel/s | 199.7 GTexel/s |
| FP16 (half) performance | 17.86 TFLOPS (2:1) | 12.78 TFLOPS (1:1) |
| FP32 (float) performance | 8.928 TFLOPS | 12.78 TFLOPS |
| FP64 (double) performance | 558.0 GFLOPS (1:16) | 199.7 GFLOPS (1:64) |
Dimensions & Outputs
| Slot width | Dual-slot | — |
|---|---|---|
| TDP | 132 W | 130 W |
| Suggested PSU | 300 W | — |
| Outputs | 1x HDMI3x DisplayPort | No outputs |
| Power connectors | 1x 8-pin | None |
| Length | 190 mm 7.5 inches | — |
| Width | 110 mm 4.3 inches | — |
| Height | 40 mm 1.6 inches | — |
API Support & Features
| DirectX | 12.0 Ultimate (12_2) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.5 | 6.6 |
| CUDA | — | 8.6 |
Other Features
Mobile graphics
| Release date | — | Unknown |
|---|---|---|
| Generation | — | Quadro Mobile (Ax000) |
| Production | — | Active |
| Interface | — | PCIe 4.0 x16 |
