AMD Radeon RX 6600M ‘Navi 23’ Laptop RDNA 2 GPU Tested, Slower Than The NVIDIA RTX 3060

The first unofficial benchmarks of the AMD Radeon RX 6600M RDNA 2 GPU based on the Navi 23 SKU have landed. The benchmarks were posted over at Zhuanlan (via HXL) and show how well the latest RDNA 2 GPU competes against mainstream laptop offerings from NVIDIA.

AMD Radeon RX 6600M 'Navi 23' Laptop GPU With RDNA 2 Architecture Benchmarked, Slower Than The NVIDIA RTX 3060

The AMD Radeon RX 6600M is the first graphics chip to make use of the Navi 23 GPU SKU. The chip has yet to make an entrance on the desktop front so this is the first time we are actually looking at its real benchmarks. The chip was tested on an AMD Ryzen 7 5800H laptop which featured 16 GB of DDR4-3200 (Single Rank x8) memory. The same test platform was also used to test the competition which included the NVIDIA RTX 3060 and the RTX 3050 Ti. Before we get into the benchmarks, let's quickly recap the specifications for the Radeon RX 6600M.

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AMD Radeon RX 6600M 'RDNA 2' Mobility Graphics Chip Specifications

When it comes to specifications, the AMD Navi 23 RDNA 2 GPU for the Radeon RX 6600M & Radeon Pro W6600M is expected to feature up to 28 CUs or 1792 stream processors. It will also come with up to 8 GB GDDR6 memory running across a 128-bit bus interface and with TGPs ranging up to 100 Watts. The AMD Navi 23 GPUs are additionally going to feature 32 MB of Infinity Cache and will be the smallest Navi chip to house the brand new cache technology. Discrete GPUs below the Navi 23 such as Navi 24 and the integrated RDNA 2 chips on Van Gogh APUs are not going to feature the tech.


AMD Radeon RX 6000M RDNA 2 Mobility GPUs

GPU NameGPU ArchitectureProcess NodeDie SizeGPU CoresGPU Clock (Max)Memory CapacityMemory BusTGP
AMD Radeon RX 6850M XTNavi 227nm334.5mm225602463 MHz12 GB GDDR6 (96 MB Infinity Cache)192-bit / 432 GB/s165W+
AMD Radeon RX 6800MNavi 227nm334.5mm225602300 MHz12 GB GDDR6 (96 MB Infinity Cache)192-bit / 384 GB/s145W+
AMD Radeon RX 6800SNavi 227nm334.5mm220481975 MHz12 GB GDDR6 (96 MB Infinity Cache)128-bit / 256 GB/s100W
AMD Radeon RX 6700MNavi 227nm334.5mm223042300 MHz10 GB GDDR6 (80 MB Infinity Cache)160-bit / 320 GB/s135W
AMD Radeon RX 6700SNavi 227nm334.5mm217921890 MHz8 GB GDDR6 (32 MB Infinity Cache)128-bit / 224 GB/s80W
AMD Radeon RX 6650M XTNavi 237nm237mm220482162 MHz8 GB GDDR6 (32 MB Infinity Cache)128-bit / 256 GB/s120W
AMD Radeon RX 6650MNavi 237nm237mm217922222 MHz8 GB GDDR6 (32 MB Infinity Cache)128-bit / 256 GB/s120W
AMD Radeon RX 6600MNavi 237nm237mm217922177 MHz8 GB GDDR6 (32 MB Infinity Cache)128-bit / 224 GB/s100W
AMD Radeon RX 6600SNavi 237nm237mm217921881 MHz4 GB GDDR6 (32 MB Infinity Cache)128-bit / 224 GB/s80W
AMD Radeon RX 6500MNavi 246nm141mm210242191 MHz4 GB GDDR6 (16 MB Infinity Cache)64-bit / 128 GB/s50W
AMD Radeon RX 6300MNavi 246nm141mm27681512 MHz2 GB GDDR6 (8 MB Infinity Cache)64-bit / 107.8 GB/s25W

AMD's official Performance data shows the Radeon RX 6600M outperforming the NVIDIA RTX 3060 6 GB mobility chip in several current-generation titles. When it comes to actual benchmarks, AMD's Radeon RX 6600M (100W with 120W VR losses) seems to offer slower performance than the NVIDIA RTX 3060 (115W+15W). While the RTX 3060 does feature higher power consumption, at the same power limit of 100W, the RTX 3060 delivers better performance.

Radeon RX 6600M 'Navi 23' GPU Synthetic Benchmarks:


Radeon RX 6600M 'Navi 23' GPU Gaming Benchmarks:


Radeon RX 6600M 'Navi 23' GPU Power & Content Creation Benchmarks:

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There's no difference in performance between the two laptop GPUs in synthetic benchmarks but as soon as we shift to gaming at 1080p, the RTX 3060 takes an 8% average performance lead. The ray-tracing performance is even higher with the RTX 3060 being up to 36% faster than the Radeon RX 6600M. AMD's Advantage laptop also comes with SmartShift technology which can deliver a 3-4% performance boost. As for content creation performance, NVIDIA's RTX GPUs take a huge lead due to impressive driver support and optimizations for content creator applications.

Now not all is bad, the Radeon RX 6600M delivers a 20-30% performance boost over the GeForce RTX 3050 Ti so if AMD can manage to price the mainstream Navi 23 chip accordingly, then it could serve in a really well position between the RTX 3050 Ti and the RTX 3060. The main issue for the RX 6600M is reported to be its 128-bit bus interface. The tester states that it would have been a better choice if AMD had gone with a 4 GB GDDR6 memory capacity which would have further toned the price and power down. The HP Omen 16 is one of the many premium options featuring the chip that will be available soon and is currently listed for a price of around $1500 US.

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