AMD Radeon RX 6600 vs AMD Radeon RX 6700 XT
Graphics Processor
| GPU model | Navi 23 | Navi 22 |
|---|---|---|
| GPU variant | Navi 23 XL (215-130000016) | Navi 22 XT (215-127000006) |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 7 nm | 7 nm |
| Number of transistors | 11,060 million | 17,200 million |
| Die size | 237 mm² | 335 mm² |
Graphics Card
| Release date | Oct 13th, 2021 | Mar 3rd, 2021 |
|---|---|---|
| Generation | Navi II | Navi II |
| Predecessor | Navi | Navi |
| Production | Active | Active |
| Launch price | 329 USD | 479 USD |
| Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| Successor | Navi III | Navi III |
| gpu.details.availability | — | Mar 18th, 2021 |
| Reviews | — | 56 in our database |
Clocks
| Base clock | 1626 MHz | 2321 MHz |
|---|---|---|
| Boost clock | 2491 MHz | 2581 MHz |
| Memory clock | 1750 MHz 14 Gbps effective | 2000 MHz 16 Gbps effective |
| Game clock | 2044 MHz | 2424 MHz |
Memory Configuration
| Memory size | 8 GB | 12 GB |
|---|---|---|
| Memory type | GDDR6 | GDDR6 |
| Memory bus width | 128 bit | 192 bit |
| Bandwidth | 224.0 GB/s | 384.0 GB/s |
Render Configuration
| Shading units | 1792 | 2560 |
|---|---|---|
| TMUs | 112 | 160 |
| ROPs | 64 | 64 |
| Compute units | 28 | 40 |
| RT cores | 28 | 40 |
| gpu.details.l0-cache | 32 KB per WGP | 32 KB per WGP |
| Cache L1 | 128 KB per Array | 128 KB per Array |
| Cache L2 | 2 MB | 3 MB |
| gpu.details.l3-cache | 32 MB | 96 MB |
Performance
| Pixel rate | 159.4 GPixel/s | 165.2 GPixel/s |
|---|---|---|
| Texture rate | 279.0 GTexel/s | 413.0 GTexel/s |
| FP16 (half) performance | 17.86 TFLOPS (2:1) | 26.43 TFLOPS (2:1) |
| FP32 (float) performance | 8.928 TFLOPS | 13.21 TFLOPS |
| FP64 (double) performance | 558.0 GFLOPS (1:16) | 825.9 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| TDP | 132 W | 230 W |
| Suggested PSU | 300 W | 550 W |
| Outputs | 1x HDMI3x DisplayPort | 1x HDMI3x DisplayPort |
| Power connectors | 1x 8-pin | 1x 6-pin + 1x 8-pin |
| Length | 190 mm 7.5 inches | 267 mm 10.5 inches |
| Width | 110 mm 4.3 inches | 110 mm 4.3 inches |
| Height | 40 mm 1.6 inches | 40 mm 1.6 inches |
| Board number | — | D512 |
API Support & Features
| DirectX | 12.0 Ultimate (12_2) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.5 | 6.5 |
