AMD Radeon RX 6600 XT & RX 6600 Custom Graphics Cards From ASRock Spotted With 8 GB GDDR6 Memory

ASRock Radeon RX 6700 XT, Radeon RX 6600 XT, Radeon RX 6700 RDNA 2 Custom Graphics Cards AMD

ASRock has once again submitted its custom AMD Radeon RX 6600 XT and RX 6600 graphics cards to EEC but this time, they have updated the memory specifications. The graphics cards are custom variants from ASRock that were listed over at EEC (Eurasian Economic Commission).

ASRock Submits Several Custom AMD Radeon RX 6600 XT & Radeon RX 6600 Graphics Cards at EEC With 8 GB GDDR6 Memory

ASRock seems to have been updating the specs list for a while now. The company first submitted its custom AMD Radeon RX 6600 XT graphics cards with 12 GB GDDR6 memory and also listed the Radeon RX 6700 (Non-XT) with 6 GB VRAM. However, the latest reports revealed that the Radeon RX 6700 (Non-XT) would end up with the same 12 GB GDDR6 VRAM as the Radeon RX 6700 XT and we can also see that the Radeon RX 6600 XT has also received a spec update.

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ASRock AMD Radeon RX 6600 XT & RX 6600 8 GB GDDR6 Graphics Cards
ASRock's custom AMD Radeon RX 6600 XT & RX 6600 graphics cards submitted to the EEC. (Image Credits: Komachi)

As per the latest listing by ASRock, the AMD Radeon RX 6600 XT and the RX 6600 graphics cards will feature an 8 GB GDDR6 memory capacity running along with a 128-bit bus interface. That's quite a lot of memory for a small bus interface but we have seen that AMD is handling memory bandwidth quite well with its new Infinity Cache design on the RDNA 2 GPUs. As for the listing, we have the following graphics cards submitted by ASRock:

  • ASRock Radeon RX 6600 XT Phantom Gaming D
  • ASRock Radeon RX 6600 XT Challenger D OC
  • ASRock Radeon RX 6600 XT Challenger I
  • ASRock Radeon RX 6600 Challenger D OC
  • ASRock Radeon RX 6600 Challenger I

The AMD Radeon RX 6600 series graphics cards will be based on the AMD Navi 23 GPU core. It is expected to feature 32 compute units or 2048 stream processors along with 32 ray accelerator cores. The GPU will also be packed with 64 MB of Infinity Cache which will help it boost its bandwidth by a huge margin. For memory, we are looking at up to 8 GB GDDR6 capacity that will operate across a 128-bit bus interface and offer pin speeds of up to 16 Gbps. This should bring the total bandwidth to 256 GB/s.

As for products, once again nothing is mentioned except the fact that the Navi 23 GPU-based AMD Radeon RX 6600 series (referring to the RX 6600 XT) will be positioned as a premium 1080p gaming solution, offering faster performance than the RTX 3060. As for pricing, I personally expect a $299 US tag for the Navi 23 lineup if AMD wants it to succeed, especially if it's a 1080p card going against the NVIDIA GeForce RTX 3060 which already costs $329 US.

AMD Radeon RX 6000 Series "RDNA 2" Graphics Card Lineup:

Graphics CardAMD Radeon RX 6950 XTAMD Radeon RX 6900 XTAMD Radeon RX 6800 XTAMD Radeon RX 6800AMD Radeon RX 6750 XTAMD Radeon RX 6700 XTAMD Radeon RX 6700AMD Radeon RX 6650 XTAMD Radeon RX 6600 XTAMD Radeon RX 6600AMD Radeon RX 6500 XTAMD Radeon RX 6400
GPUNavi 21 KXTXNavi 21 XTXNavi 21 XTNavi 21 XLNavi 22 KXTNavi 22 XTNavi 22 XLNavi 23 KXTNavi 23 (XT)Navi 23 (XL)Navi 24 (XT)Navi 24 (XL)
Process Node7nm7nm7nm7nm7nm7nm7nm7nm7nm7nm6nm6nm
Die Size520mm2520mm2520mm2520mm2336mm2336mm2336mm2237mm2237mm2237mm2107mm2107mm2
Transistors26.8 Billion26.8 Billion26.8 Billion26.8 Billion17.2 Billion17.2 Billion17.2 Billion11.06 Billion11.06 Billion11.06 Billion5.4 Billion5.4 Billion
Compute Units808072604040363232281612
Stream Processors51205120460838402560256023042048204817921024768
TMUs/ROPs320 / 128320 / 128288 / 128240 / 96160/64160/64144/64128/64128/64112/6464/3248/32
Game Clock2116 MHz2015 MHz2015 MHz1815 MHz2495 MHz2424 MHz2330 MHz2410 MHz2359 MHz2044 MHz2610 MHz2039 MHz
Boost Clock2324 MHz2250 MHz2250 MHz2105 MHz2600 MHz2581 MHz2495 MHz2635 MHz2589 MHz2491 MHz2815 MHz2321 MHz
FP32 TFLOPs23.80 TFLOPs23.04 TFLOPs20.74 TFLOPs16.17 TFLOPs13.31 TFLOPs13.21 TFLOPs11.50 TFLOPs10.79 TFLOPs10.6 TFLOPs9.0 TFLOPs5.7 TFLOPs3.5 TFLOPs
Memory Size16 GB GDDR6 +128 MB Infinity Cache16 GB GDDR6 +128 MB Infinity Cache16 GB GDDR6 +128 MB Infinity Cache16 GB GDDR6 +128 MB Infinity Cache12 GB GDDR6 + 96 MB Infinity Cache12 GB GDDR6 + 96 MB Infinity Cache10 GB GDDR5 + 80 MB Infinity Cache8 GB GDDR6 + 32 MB Infinity Cache8 GB GDDR6 + 32 MB Infinity Cache8 GB GDDR6 + 32 MB Infinity Cache4 GB GDDR6 + 16 MB Infinity Cache4 GB GDDR6 + 16 MB Infinity Cache
Memory Bus256-bit256-bit256-bit256-bit192-bit192-bit160-bit128-bit128-bit128-bit64-bit64-bit
Memory Clock18 Gbps16 Gbps16 Gbps16 Gbps18 Gbps16 Gbps16 Gbps17.5 Gbps16 Gbps14 Gbps18 Gbps14 Gbps
Bandwidth576 GB/s512 GB/s512 GB/s512 GB/s432 GB/s384 GB/s320 GB/s280 GB/s256 GB/s224 GB/s144 GB/s112 GB/s
TDP335W300W300W250W250W230W220W176W160W132W107W53W
Price$1099 US$999 US$649 US$579 US$549 US$479 USTBD$399 US$379 US$329 US$199 US$159 US?
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