AMD Radeon RX 6600 vs AMD Radeon RX 9060 XT

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Radeon RX 6600 compared with Radeon RX 9060 XT

	AMDRadeon RX 6600	AMDRadeon RX 9060 XT
Overview
Released
Released	October 2021	June 2025
Performance
Chip maker
Chip maker	AMD	AMD
Architecture
Architecture	RDNA 2	RDNA 4
Shader cores
Shader cores	1,792	2,048
Boost clock
Boost clock	2,491 MHz	3,130 MHz (better)
Architecture
Architecture	AMD GPU specification baseline with 28 compute units, 64 ROPs and 112 texture units. Photo shows MSI's stock-clock MECH 2X 8G partner card.	32 compute units, 64 ROPs; game clock 2530 MHz; 29.7 billion transistors
Ray tracing
Ray tracing	28 ray accelerators	32 third-generation Ray Accelerators
AI cores
AI cores	–	64 AI Accelerators; up to 410 TOPS INT8 or 821 TOPS INT4 with structured sparsity
Upscaling and frame generation
Upscaling and frame generation	AMD FidelityFX Super Resolution	AMD FSR "Redstone" (including FSR 4 upscaling), AMD Fluid Motion Frames, Radeon Super Resolution
Base clock
Base clock	AMD publishes a 2,044 MHz game clock; the 2,491 MHz boost is the maximum frequency for burst workloads	–
Cache
Cache	32 MB Infinity Cache	32 MB AMD Infinity Cache
Memory
Video memory
Video memory	8 GB GDDR6	16 GB GDDR6 (better)
Memory bus
Memory bus	128-bit	128-bit
Memory bandwidth
Memory bandwidth	224 GB/s	320 GB/s (better)
Memory detail
Memory detail	14 Gbps GDDR6; 224 GB/s bandwidth	GDDR6 at up to 20 Gbps
Connections and power
Board power
Board power	132 W (better)	160 W
Interface
Interface	PCIe 4.0	PCIe 5.0 x16
Display outputs
Display outputs	Pictured MSI MECH 2X has 3 × DisplayPort 1.4 and 1 × HDMI 2.1; AMD specifies DisplayPort 1.4a and HDMI 2.1 with variable refresh rate and FRL	DisplayPort 2.1a, HDMI 2.1b (number of ports depends on the card)
Maximum resolution
Maximum resolution	7680 × 4320 and up to four displays on MSI's specification	–
Power connector
Power connector	1 × 8-pin	1 × 8-pin
Recommended power supply
Recommended power supply	AMD specifies 450 W; MSI recommends 500 W for its pictured MECH 2X. Requirements depend on the rest of the system.	450 W
Slot width
Slot width	Partner card designs vary; MSI MECH 2X is 46 mm thick	–
Size (reference card)
Size (reference card)	No retail AMD reference card; pictured MSI MECH 2X is 235 × 125 × 46 mm and 710 g	–
Video encode and decode
Video encode and decode	AMD publishes AV1 decoding; MSI confirms PCIe 4.0 x8	H.264, HEVC and AV1 encode and decode