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Radeon RX 6950 XT Powered by Navi 21 KXTX GPU, Supports Hynix and Samsung Memory

Despite the fact that the AMD Radeon RX 6950 XT 3D card has not yet gone on sale, BIOS dumps of two models based on the new product have already been found on the Web – the MSI Radeon RX 6950 XT Gaming X Trio and the Sapphire Radeon RX 6950 XT Nitro + Pure. And they have something interesting.

Radeon RX 6950 XT Powered by Navi 21 KXTX GPU, Supports Hynix and Samsung Memory

First, the TDP value. In the first case, it is 332 W, but can be increased to 372 W. In the second case, the base TDP value is 325 W, the maximum is 390 W. Since TDP takes into account the power consumption of memory and processor, the power consumption of the entire system (that is, the entire video card) can easily be higher than 400 watts. At least in the case of the Sapphire Radeon RX 6950 XT Nitro+ Pure.

Radeon RX 6950 XT Powered by Navi 21 KXTX GPU, Supports Hynix and Samsung Memory

The second point that attracts attention is the temperature limits. So, the maximum memory temperature is 100 °C, the maximum Hotspot value is 110 °C, and the thermal protection is activated when the temperature reaches 118 °C.

The third point is that the name of the GPU is written in the BIOS, and this is Navi 21 KXTX, not XTXH, as previously reported. Thus, AMD already has four variants of the flagship GPU. Theoretically, BIOS versions XT and XTXH are compatible, but there is one fundamental point: only Samsung and Hynix memory with a frequency of 18 GHz is registered in the version for XTXH. And this moment, most likely, will make it impossible to use BIOS from ordinary XT in KXTX. More precisely, it will most likely be possible to flash the video card, but it is unlikely that it will start after that.

Source: ixbt

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