The AMD Radeon RX 6600 XT relies on the Navi 23 XT GPU, which has 32 compute units or 2048 stream processors. The card also features 32MB of Infinity Cache and 8GB of GDDR6 memory running over a 128-bit wide bus interface. The Navi 23 GPU itself measures 237 mm2 and consists of 11.06 billion transistors. However, the GPU is still not the smallest chip in the RDNA 2 family, as Navi 24 is still expected here for the absolute entry-level range. Storage speeds will be at the usual 16 Gbps, which will then give a total bandwidth of 256 GB/s.
The MSI Radeon RX 6600 XT Gaming X 8 GB clocks at 2428 MHz and could reach up to 2607 MHz at its peak, which looks decent on paper at first. But I’m not allowed to spoil anything yet.
The ancestor gallery of the RDNA2 family looks like this after the launch:
Model | RX 6600 XT (MSI) |
RX 6700 XT | RX 6800 | RX 6800 XT | RX 6900 XT | RX 6900 XT LC |
---|---|---|---|---|---|---|
GPU | Navi 23 | Navi 22 | Navi 21 | Navi 21 | Navi 21 | Navi 21 |
Process node | 7 nm | 7 nm | 7 nm | 7 nm | 7 nm | 7 nm |
The Size | 237 mm2 | 336 mm2 | 520 mm2 | 520 mm2 | 520 mm2 | 520 mm2 |
Transistors |
11.06 billion | 17.2 billion | 26.8 billion | 26.8 billion | 26.8 billion | 26.8 billion |
Compute units | 32 | 40 | 60 | 72 | 80 | 80 |
Shader | 2048 | 2560 | 3840 | 4608 | 5120 | 5120 |
TMUs/ROPs | TBA | 160/64 | 240 / 96 | 288 / 128 | 320 / 128 | 320 / 128 |
Game clock | 2428 MHz | 2424 MHz | 1815 MHz | 2015 MHz | 2015 MHz | 2250 MHz |
Boost Clock | 2607 MHz | 2581 MHz | 2105 MHz | 2250 MHz | 2250 MHz | 2345 MHz |
Memory GDDR6 |
8 GB | 12 GB | 16 GB | 16 GB | 16 GB | 16 GB |
Infinity cache | 32 MB | 96 MB | 128 MB | 128 MB | 128 MB | 128 MB |
Memory bus | 128-bit | 192-bit | 256-bit | 256-bit | 256-bit | 256-bit |
Memory clock | 16 Gbps | 16 Gbps | 16 Gbps | 16 Gbps | 16 Gbps | 18 Gbps |
Bandwidth | 256 GB/s | 384 GB/s | 512 GB/s | 512 GB/s | 512 GB/s | 576 GB/s |
TDP | 160 W | 230 W | 250 W | 300 W | 300 W | 330 W |
Of course I will stay tuned and will actively accompany the launch. You know, this time also with unscrewing again….
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