AMD Radeon RX 6800 XT vs NVIDIA GeForce RTX 3070

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Radeon RX 6800 XT compared with GeForce RTX 3070

	AMDRadeon RX 6800 XT	NVIDIAGeForce RTX 3070
Overview
Released
Released	November 2020	October 2020
Performance
Chip maker
Chip maker	AMD	NVIDIA
Architecture
Architecture	RDNA 2	Ampere
Shader cores
Shader cores	4,608	5,888
Boost clock
Boost clock	2,250 MHz (better)	1,730 MHz
Architecture
Architecture	AMD reference specification; 72 compute units and 26.8 billion transistors	GA104; 46 Streaming Multiprocessors. NVIDIA reference specifications; photo shows PNY's stock-clock UPRISING Dual Fan LHR revision, whose cooler and dimensions differ from the Founders Edition.
Manufacturing process
Manufacturing process	7 nm	Samsung 8 nm 8N NVIDIA custom process; 17.4 billion transistors; 392.5 mm² die
Ray tracing
Ray tracing	72 Ray Accelerators; DirectX Raytracing support	46 second-generation RT Cores
AI cores
AI cores	–	184 third-generation Tensor Cores
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	1.50 GHz; the NVIDIA architecture whitepaper specifies 1,725 MHz boost, rounded to 1.73 GHz on the current specification page
Cache
Cache	128 MB AMD Infinity Cache	4,096 KB L2
Memory
Video memory
Video memory	16 GB GDDR6 (better)	8 GB GDDR6
Memory bus
Memory bus	256-bit	256-bit
Memory bandwidth
Memory bandwidth	512 GB/s (better)	448 GB/s
Memory detail
Memory detail	Up to 16 Gbps GDDR6; 512 GB/s physical memory bandwidth	14 Gbps GDDR6
Connections and power
Board power
Board power	300 W	220 W (better)
Interface
Interface	PCIe 4.0	PCIe 4.0
Display outputs
Display outputs	DisplayPort 1.4a, HDMI 2.1 with VRR and FRL, and USB-C (AMD reference)	3 × DisplayPort 1.4a, 1 × HDMI 2.1; up to 4 displays; HDCP 2.3
Maximum resolution
Maximum resolution	–	7680 × 4320; HDMI supports 4K 120 Hz HDR or 8K 60 Hz HDR
Power connector
Power connector	2 × PCIe 8-pin	1 × PCIe 8-pin cable through the included adapter to 1 × 12-pin (Founders Edition)
Recommended power supply
Recommended power supply	750 W	650 W, based on NVIDIA's Intel Core i9-10900K test system
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	242 × 112 mm, 2-slot (Founders Edition)
Video encode and decode
Video encode and decode	Hardware AV1 decoding; H.264 and H.265/HEVC encode and decode	Seventh-generation NVENC, fifth-generation NVDEC; hardware AV1 decode, no AV1 encode