AMD Radeon RX 6800 XT vs NVIDIA GeForce RTX 2080 Ti

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Radeon RX 6800 XT compared with GeForce RTX 2080 Ti

	AMDRadeon RX 6800 XT	NVIDIAGeForce RTX 2080 Ti
Overview
Released
Released	November 2020	September 2018
Performance
Chip maker
Chip maker	AMD	NVIDIA
Architecture
Architecture	RDNA 2	Turing
Shader cores
Shader cores	4,608	4,352
Boost clock
Boost clock	2,250 MHz	1,545 MHz or 1,635 MHz
Architecture
Architecture	AMD reference specification; 72 compute units and 26.8 billion transistors	Main figures describe NVIDIA's reference specification; the Founders Edition has a factory overclock and higher power rating. The photo shows PNY's stock-clock 11 GB Blower, whose cooler differs from the Founders Edition geometry below. NVIDIA's original announcement named 20 September availability; its 27 September partner roundup confirms cards available by that date. The release month retains this shipment-date uncertainty.
Manufacturing process
Manufacturing process	7 nm	–
Ray tracing
Ray tracing	72 Ray Accelerators; DirectX Raytracing support	Hardware-accelerated ray tracing
Upscaling and frame generation
Upscaling and frame generation	AMD FidelityFX Super Resolution (FSR); AMD Radeon Super Resolution	NVIDIA DLSS upscaling; no DLSS Frame Generation
Base clock
Base clock	2015 MHz game frequency; up to 2250 MHz boost, which AMD defines for bursty workloads rather than sustained gaming	1350 MHz for reference and Founders Edition; boost is 1545 MHz reference or 1635 MHz Founders Edition
Cache
Cache	128 MB AMD Infinity Cache	–
Memory
Video memory
Video memory	16 GB GDDR6 (better)	11 GB GDDR6
Memory bus
Memory bus	256-bit	352-bit (better)
Memory bandwidth
Memory bandwidth	512 GB/s	616 GB/s (better)
Memory detail
Memory detail	Up to 16 Gbps GDDR6; 512 GB/s physical memory bandwidth	14 Gbps GDDR6; 616 GB/s bandwidth
Connections and power
Board power
Board power	300 W	250 W or 260 W
Interface
Interface	PCIe 4.0	PCIe 3.0
Display outputs
Display outputs	DisplayPort 1.4a, HDMI 2.1 with VRR and FRL, and USB-C (AMD reference)	Founders Edition and PNY Blower have 3 × DisplayPort 1.4a, 1 × HDMI 2.0b and 1 × USB-C VirtualLink; up to 4 displays; HDCP 2.2
Maximum resolution
Maximum resolution	–	7680 × 4320; DisplayPort supports 4K 144 Hz or 8K 60 Hz with DSC
Power connector
Power connector	2 × PCIe 8-pin	2 × PCIe 8-pin (reference and Founders Edition)
Recommended power supply
Recommended power supply	750 W	650 W
Slot width
Slot width	2.5-slot (AMD reference)	2-slot (Founders Edition)
Size (reference card)
Size (reference card)	267 mm long (AMD reference); no reference width or height verified	266.74 × 115.7 mm, 2-slot (Founders Edition); NVIDIA does not specify reference-card geometry in its table
Video encode and decode
Video encode and decode	Hardware AV1 decoding; H.264 and H.265/HEVC encode and decode	Turing NVENC; no hardware AV1 encoding