AMD Radeon RX 5700 vs AMD Radeon RX 6600

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Radeon RX 5700 compared with Radeon RX 6600

	AMDRadeon RX 5700	AMDRadeon RX 6600
Overview
Released
Released	July 2019	October 2021
Performance
Chip maker
Chip maker	AMD	AMD
Architecture
Architecture	RDNA	RDNA 2
Shader cores
Shader cores	2,304	1,792
Boost clock
Boost clock	1,725 MHz	2,491 MHz (better)
Architecture
Architecture	36 compute units; 144 texture units and 64 ROPs; 10.3 billion transistors. Photo shows MSI's reference-design RX 5700 8G. Current AMD support specifications and MSI's datasheet both list 180 W; historical reviews report differing power figures, which are not used here.	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.
Manufacturing process
Manufacturing process	7 nm	–
Ray tracing
Ray tracing	No dedicated ray accelerators	28 ray accelerators
Upscaling and frame generation
Upscaling and frame generation	–	AMD FidelityFX Super Resolution
Base clock
Base clock	1465 MHz base; 1625 MHz game 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
Memory
Video memory
Video memory	8 GB GDDR6	8 GB GDDR6
Memory bus
Memory bus	256-bit (better)	128-bit
Memory bandwidth
Memory bandwidth	448 GB/s (better)	224 GB/s
Memory detail
Memory detail	14 Gbps GDDR6	14 Gbps GDDR6; 224 GB/s bandwidth
Connections and power
Board power
Board power	180 W	132 W (better)
Interface
Interface	PCIe 4.0	PCIe 4.0
Display outputs
Display outputs	3 × DisplayPort 1.4 and 1 × HDMI 2.0b; up to 4 displays (MSI RX 5700 8G). AMD lists DisplayPort 1.4a support.	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
Maximum resolution
Maximum resolution	7680 × 4320 (MSI RX 5700 8G)	7680 × 4320 and up to four displays on MSI's specification
Power connector
Power connector	1 × 8-pin and 1 × 6-pin	1 × 8-pin
Recommended power supply
Recommended power supply	600 W	AMD specifies 450 W; MSI recommends 500 W for its pictured MECH 2X. Requirements depend on the rest of the system.
Slot width
Slot width	–	Partner card designs vary; MSI MECH 2X is 46 mm thick
Size (reference card)
Size (reference card)	270 × 110 × 35 mm and 1020 g (MSI reference-design RX 5700 8G)	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	H.264 and H.265/HEVC encode and decode	AMD publishes AV1 decoding; MSI confirms PCIe 4.0 x8