AMD Radeon RX 6800 XT vs NVIDIA GeForce RTX 4070

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Radeon RX 6800 XT compared with GeForce RTX 4070

	AMDRadeon RX 6800 XT	NVIDIAGeForce RTX 4070
Overview
Released
Released	November 2020	April 2023
Performance
Chip maker
Chip maker	AMD	NVIDIA
Architecture
Architecture	RDNA 2	Ada Lovelace
Shader cores
Shader cores	4,608	5,888
Boost clock
Boost clock	2,250 MHz	2,475 MHz (better)
Architecture
Architecture	AMD reference specification; 72 compute units and 26.8 billion transistors	AD104 GPU; 46 SMs. NVIDIA reference specifications; photo illustrates an ASUS DUAL partner cooler without establishing its memory type or factory overclock.
Manufacturing process
Manufacturing process	7 nm	TSMC 4N NVIDIA custom process; 35.8 billion transistors; 294.5 mm² die
Ray tracing
Ray tracing	72 Ray Accelerators; DirectX Raytracing support	46 third-generation RT Cores; 67 RT TFLOPS
AI cores
AI cores	–	184 fourth-generation Tensor Cores; 466 AI TOPS
Upscaling and frame generation
Upscaling and frame generation	AMD FidelityFX Super Resolution (FSR); AMD Radeon Super Resolution	DLSS 3.5 with Super Resolution, DLAA, Ray Reconstruction and 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	1.92 GHz; stock PNY and Gainward cards confirm 2,475 MHz boost, while NVIDIA rounds it to 2.48 GHz
Cache
Cache	128 MB AMD Infinity Cache	36 MB L2
Memory
Video memory
Video memory	16 GB GDDR6 (better)	12 GB GDDR6X or 12 GB GDDR6
Memory bus
Memory bus	256-bit (better)	192-bit
Memory bandwidth
Memory bandwidth	512 GB/s	504 GB/s or 480 GB/s
Memory detail
Memory detail	Up to 16 Gbps GDDR6; 512 GB/s physical memory bandwidth	GDDR6X at 21 Gbps and 504 GB/s (stock PNY); later GDDR6 at 20 Gbps and 480 GB/s (stock Gainward). Both have 12 GB on a 192-bit bus
Connections and power
Board power
Board power	300 W	200 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 2.1a; up to 4 displays; HDCP 2.3
Maximum resolution
Maximum resolution	–	4K at 240 Hz or 8K at 60 Hz with DSC, HDR
Power connector
Power connector	2 × PCIe 8-pin	1 × 300 W or greater PCIe Gen 5 cable, or 2 × PCIe 8-pin cables with the adapter in the box; some partner cards use 1 × 8-pin
Recommended power supply
Recommended power supply	750 W	650 W
Slot width
Slot width	2.5-slot (AMD reference)	2-slot (original GDDR6X Founders Edition)
Size (reference card)
Size (reference card)	267 mm long (AMD reference); no reference width or height verified	244 × 112 mm, 2-slot (original GDDR6X Founders Edition)
Video encode and decode
Video encode and decode	Hardware AV1 decoding; H.264 and H.265/HEVC encode and decode	1 × eighth-generation NVENC, 1 × fifth-generation NVDEC; AV1 encode and decode