AMD Radeon RX 6600 vs AMD Radeon RX 6850M XT

AMD Radeon RX 6600

The AMD Radeon RX 6600 is a mid-range desktop graphics card that is based on the RDNA 2 architecture and uses the Navi 23 chip. It offers 1,792 shaders and 8 GB GDDR6 VRAM with a 128 bit memory interface (14 Gbps, 224 GB/s max).

The RDNA2 architecture offers new features like SAM (Smart Access Memory) and Infinity Cache. PCIe 4.0, RIS (Radeon Image Sharpener) and Raytracing support are also included in the RX6600.

The gaming performance of the RX 6600 is comparable to a GeForce RTX 2060 Super (Desktop). The previous generation Radeon RX 5600 can be easily bested. Therefore, the RX 6600 is best suited for demanding games in 1080p and high details.

The power consumption is rated at 132 Watt (TGP) by AMD and therefore offers a rather low power consumption compared to the previous generations with similar performance.

AMD Radeon RX 6850M XT

The AMD Radeon RX 6850M XT is a mobile high-end graphics card for gaming laptops. It uses the Navi 22 chip based on the new RDNA 2 architecture. It uses all 2,560 shaders (= 40 CUs), 160 TMUs, and 64 ROPs and therefore is similar to the desktop Radeon RX 6700 XT. The 192 Bit memory system connects 12 GB GDDR6 with 18 Gbps memory speed. Furthermore, the RX6850MXT includes 96 MB Infinity Cache. AMD specified 2.463 GHz game clock for 13.3 TFLOPS theoretical performance (SP) at a TDP of 135-165 Watt. The difference to the previous RX 6800M is the slightly increased clock speed of the CPU and GPU.

The gaming performance of the RX 6850M XT should be slightly faster than the old RX 6800M which positioned itself between a RTX 3070 and 3080 for laptops. For 

The Navi 22 chip is manufactured at TSMC in the modern 7nm process.