AMD Radeon RX 6600 vs NVIDIA GeForce RTX 3060

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Radeon RX 6600 compared with GeForce RTX 3060

	AMDRadeon RX 6600	NVIDIAGeForce RTX 3060
Overview
Released
Released	October 2021	February 2021
Performance
Chip maker
Chip maker	AMD	NVIDIA
Architecture
Architecture	RDNA 2	Ampere
Shader cores
Shader cores	1,792	3,584
Boost clock
Boost clock	2,491 MHz (better)	1,780 MHz
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.	NVIDIA reference GPU specifications; photo shows Gainward's stock-clock 12 GB Ghost partner card. NVIDIA announced worldwide partner availability of the 8 GB revision from November 2022.
Manufacturing process
Manufacturing process	–	8 nm (Gainward Ghost datasheet)
Ray tracing
Ray tracing	28 ray accelerators	Second-generation RT Cores
AI cores
AI cores	–	Third-generation Tensor Cores
Upscaling and frame generation
Upscaling and frame generation	AMD FidelityFX Super Resolution	NVIDIA DLSS upscaling; no DLSS Frame Generation
Base clock
Base clock	AMD publishes a 2,044 MHz game clock; the 2,491 MHz boost is the maximum frequency for burst workloads	1.32 GHz; NVIDIA rounds boost to 1.78 GHz, while Gainward's stock-clock 12 GB Ghost and 8 GB Pegasus both specify 1,777 MHz
Cache
Cache	32 MB Infinity Cache	–
Memory
Video memory
Video memory	8 GB GDDR6	12 GB GDDR6 or 8 GB GDDR6
Memory bus
Memory bus	128-bit	192-bit or 128-bit
Memory bandwidth
Memory bandwidth	224 GB/s	360 GB/s or 240 GB/s
Memory detail
Memory detail	14 Gbps GDDR6; 224 GB/s bandwidth	15 Gbps GDDR6. Original 12 GB is 192-bit with 360 GB/s bandwidth (Gainward Ghost); later 8 GB is 128-bit with 240 GB/s (Gainward Pegasus).
Connections and power
Board power
Board power	132 W (better)	170 W
Interface
Interface	PCIe 4.0	PCIe 4.0
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	3 × DisplayPort 1.4a, 1 × HDMI 2.1; up to 4 displays; HDCP 2.3; check the chosen partner card
Maximum resolution
Maximum resolution	7680 × 4320 and up to four displays on MSI's specification	7680 × 4320; HDMI supports 4K 120 Hz HDR or 8K 60 Hz HDR
Power connector
Power connector	1 × 8-pin	Varies by partner card; Gainward's 12 GB Ghost and 8 GB Pegasus each specify 1 × PCIe 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.	550 W on NVIDIA's reference specification, based on an Intel Core i9-10900K system
Slot width
Slot width	Partner card designs vary; MSI MECH 2X is 46 mm thick	Varies by partner card; no Founders Edition model
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	Seventh-generation NVENC, fifth-generation NVDEC; hardware AV1 decode, no AV1 encode