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    AMD Radeon RX 6900 XTX Graphics Card Rumored To Feature 18 Gbps GDDR6 Memory, Increased Clock Speeds With Navi 21 XTXH GPU, Faster Than RTX 3090 – Wccftech

    AMD is allegedly working on its fastest Big Navi 21 GPU-based graphics card, the Radeon RX 6900 XTX. The new information comes from a slide that has been leaked by CyberPunkCat which states that the card will feature faster memory and clock speeds.

    AMD Radeon RX 6900 XTX Allegedly In The Works, Could Feature Navi 21 XTXH GPU With 18 Gbps Memory & Faster Clocks

    The AMD Radeon RX 6900 XT currently has two variations, a standard variant that features the Navi 21 XT GPU and a binned variant featuring the Navi 21 XTXH GPU. Both of these variants are known as Radeon RX 6900 XT. Based on the new rumor, AMD could be working on a third variant that will combine the Navi 21 XTXH GPU with faster memory, allowing for faster performance in gaming that will surpass NVIDIA’s GeForce RTX 3090.

    You Can Literally Buy AMD’s Ryzen 5000 Desktop CPUs Through A Vending Machine In Japan

    An alleged slide of AMD’s Radeon RX 6900 XTX graphics card has been leaked. (Image Source: CyberPunkCat)

    According to the alleged slide, the AMD Radeon RX 6900 XTX will feature a compute horsepower of 24.93 TFLOPs. The existing reference Radeon RX 6900 XT features a compute horsepower of 23.04 TFLOPs with a boost clock of 2250 MHz. With Navi 21 XTXH GPU on the Radeon RX 6900 XTX should feature a boost clock of 2435 MHz. This is an 8% improvement in the boost clock for a 8% compute power increase.

    The second change comes in the form of memory. The AMD Radeon RX 6900 XT is rumored to get 18 Gbps memory dies which should deliver a nice boost in bandwidth over the existing 16 Gbps G6 chips. The card will retain its 16 GB GDDR6 memory capacity but bandwidth should be boosted to 576 GB/s, a 12.5% improvement over the reference card. All of these changes will definitely have an impact on the GBP. The existing Navi 21 XT-based reference model has a TBP of 300W so we could be looking at around 350W TBP with the increased clocks on GPU and memory modules.

    Also, you might be wondering if such a card makes sense when AIBs have already released Navi 21 XTXH variants. The AMD Radeon RX 6900 XTX might end up being an OEM-only solution as AMD has already started offering an RX 6900 XT LC ‘Liquid Cooled’ variant to its PC & OEM partners. The slide interestingly reads ‘Expanding The AMD RDNA Family’ which means that it could be a proper retail launch but that remains to be seen. As for performance, the AMD Radeon RX 6900 XT trades blows with the NVIDIA Geforce RTX 3090 graphics card so this variant would push that lead even further.

    AMD Radeon RX 6000 Series “RDNA 2” Graphics Card Lineup:

    Graphics Card AMD Radeon RX 6600 AMD Radeon RX 6600 XT AMD Radeon RX 6700 AMD Radeon RX 6700 XT AMD Radeon RX 6800 AMD Radeon RX 6800 XT AMD Radeon RX 6900 XT AMD Radeon RX 6900 XT Liquid Cooled AMD Radeon RX 6900 XTX
    GPU Navi 23 (XL?) Navi 23 (XT?) Navi 22 (XL?) Navi 22 (XT?) Navi 21 XL Navi 21 XT Navi 21 XTX Navi 21 XTXH Navi 21 XTXH
    Process Node 7nm 7nm 7nm 7nm 7nm 7nm 7nm 7nm 7nm
    Die Size 237mm2 237mm2 336mm2 336mm2 520mm2 520mm2 520mm2 520mm2 520mm2
    Transistors 11.06 Billion 11.06 Billion 17.2 Billion 17.2 Billion 26.8 Billion 26.8 Billion 26.8 Billion 26.8 Billion 26.8 Billion
    Compute Units 28 32 36 40 60 72 80 80 80
    Stream Processors 1792 2048 2304 2560 3840 4608 5120 5120 5120
    TMUs/ROPs TBA 128/64 TBA 160/64 240 / 96 288 / 128 320 / 128 320 / 128 320 / 128
    Game Clock TBA 2359 MHz TBA 2424 MHz 1815 MHz 2015 MHz 2015 MHz 2250 MHz TBA
    Boost Clock TBA 2589 MHz TBA 2581 MHz 2105 MHz 2250 MHz 2250 MHz 2345 MHz 2435 MHz
    FP32 TFLOPs TBA 10.6 TFLOPs TBA 13.21 TFLOPs 16.17 TFLOPs 20.74 TFLOPs 23.04 TFLOPs 24.01 TFLOPs 24.93 TFLOPs
    Memory Size 8 GB GDDR6 + 32 MB Infinity Cache? 8 GB GDDR6 + 32 MB Infinity Cache 12 GB GDDR6 + 96 MB Infinity Cache? 12 GB GDDR6 + 96 MB Infinity Cache 16 GB GDDR6 +128 MB Infinity Cache 16 GB GDDR6 +128 MB Infinity Cache 16 GB GDDR6 +128 MB Infinity Cache 16 GB GDDR6 +128 MB Infinity Cache 16 GB GDDR6 +128 MB Infinity Cache
    Memory Bus 128-bit? 192-bit 192-bit 192-bit 256-bit 256-bit 256-bit 256-bit 256-bit
    Memory Clock 16 Gbps? 16 Gbps 16 Gbps? 16 Gbps 16 Gbps 16 Gbps 16 Gbps 18 Gbps 18 Gbps
    Bandwidth 256 GB/s? 256 GB/s 384 GB/s 384 GB/s 512 GB/s 512 GB/s 512 GB/s 576 GB/s 576 GB/s
    TDP TBA 160W TBA 230W 250W 300W 300W 330W 330W
    Price TBA $379 US TBA $479 US $579 US $649 US $999 US ~$1199 US ~$1199 US

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