AMD Radeon RX 6600 (Non-XT) Seems to Perform Very Closely to NVIDIA GeForce RTX 3060

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Image: AMD

AMD released its latest RDNA 2 graphics card, the Radeon RX 6600 XT, on August 11, 2021. That card will obviously be followed by a weaker, non-XT model.

It’s unclear when the GPU will be announced, but Igor’s Lab already has an idea of how it’ll perform by benching a Radeon Pro W6600. (According to Igor Wallossek, they use the same chips.)

Igor’s benchmarks suggest that the Radeon RX 6600 will compete quite closely with NVIDIA’s GeForce RTX 3060; the RTX 3060 manages an average score of 100 in the 1080p test, while the emulated Radeon RX 6600 manages an average score of 96. That’s just a four point difference.

Another benchmark teases the power consumption of the Radeon RX 6600. The Radeon RX 6600 is shown consuming 123 watts in the Full HD test, while the GeForce RTX 3060 is substantially more power hungry at 165.6 watts.

The pricing that AMD settles on for the Radeon RX 6600 should be interesting. Nobody seemed happy about the XT version carrying an MSRP of $379.

Image: Igor’s Lab
ModelRX 6600 EMURX 6600 XT (MSI)RX 6700 XTRX 6800RX 6800 XTRX 6900 XT
GPUNavi 23Navi 23Navi 22Navi 21Navi 21Navi 21
Process node7 nm7 nm7 nm7 nm7 nm7 nm
The Size237 mm2237 mm2336 mm2520 mm2520 mm2520 mm2
Transistors11.06 billion11.06 billion17.2 billion26.8 billion26.8 billion26.8 billion
Compute units283240607280
TMUs/ROPs112 / 64128/64160/64240 / 96288 / 128320 / 128
Game clock2331 MHz2428 MHz2424 MHz1815 MHz2015 MHz2015 MHz
Boost Clock> 2600 MHz*> 2600 MHz*2581 MHz2105 MHz2250 MHz2250 MHz
Memory GDDR68 GB8 GB12 GB16 GB16 GB16 GB
Infinity cache32 MB32 MB96 MB128 MB128 MB128 MB
Memory bus128-bit128-bit192-bit256-bit256-bit256-bit
Memory clock16 Gbps16 Gbps16 Gbps16 Gbps16 Gbps16 Gbps
Bandwidth256 GB/s256 GB/s384 GB/s512 GB/s512 GB/s512 GB/s
TDP130 W160 W230 W250 W300 W300 W
Source: Igor’s Lab

Because the workstation graphics card has the same genes, but has been trimmed a bit for efficiency. This in turn can be easily undone with suitable tools for memory clock and power limit and you quickly get what officially does not exist yet.

Source: Igor’s Lab

Tsing Mui
News poster at The FPS Review.

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