AMD Radeon RX 6700 XT vs AMD Radeon RX 9070 XT

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Radeon RX 6700 XT compared with Radeon RX 9070 XT

	AMDRadeon RX 6700 XT	AMDRadeon RX 9070 XT
Overview
Released
Released	March 2021	March 2025
Performance
Chip maker
Chip maker	AMD	AMD
Architecture
Architecture	RDNA 2	RDNA 4
Shader cores
Shader cores	2,560	4,096
Boost clock
Boost clock	2,581 MHz	2,970 MHz (better)
Architecture
Architecture	AMD reference specification; 40 compute units and 17.2 billion transistors. AMD's current product table labels 1 March 2021 as the launch date, but its announcement specifies 18 March as the first on-sale date used here.	64 compute units, 128 ROPs; game clock 2400 MHz; 53.9 billion transistors
Manufacturing process
Manufacturing process	7 nm	–
Ray tracing
Ray tracing	40 Ray Accelerators; DirectX Raytracing support	64 third-generation Ray Accelerators
AI cores
AI cores	–	128 AI Accelerators; up to 779 TOPS INT8 or 1557 TOPS INT4 with structured sparsity
Upscaling and frame generation
Upscaling and frame generation	AMD FidelityFX Super Resolution (FSR); AMD Radeon Super Resolution	AMD FSR "Redstone" (including FSR 4 upscaling), AMD Fluid Motion Frames, Radeon Super Resolution
Base clock
Base clock	2321 MHz base, 2424 MHz game frequency and up to 2581 MHz boost; AMD defines boost for bursty workloads rather than sustained gaming	–
Cache
Cache	96 MB AMD Infinity Cache	64 MB AMD Infinity Cache
Memory
Video memory
Video memory	12 GB GDDR6	16 GB GDDR6 (better)
Memory bus
Memory bus	192-bit	256-bit (better)
Memory bandwidth
Memory bandwidth	384 GB/s	640 GB/s (better)
Memory detail
Memory detail	Up to 16 Gbps GDDR6; 384 GB/s physical memory bandwidth. AMD separately claims up to 1278 GB/s effective bandwidth including Infinity Cache; this is not used as the physical bandwidth figure.	GDDR6 at up to 20 Gbps
Connections and power
Board power
Board power	230 W (better)	304 W
Interface
Interface	PCIe 4.0	PCIe 5.0 x16
Display outputs
Display outputs	DisplayPort 1.4a and HDMI 2.1 supporting 4K 120 Hz or 8K 60 Hz with VRR	DisplayPort 2.1a, HDMI 2.1b (number of ports depends on the card)
Power connector
Power connector	1 × PCIe 8-pin and 1 × PCIe 6-pin	2 × 8-pin
Recommended power supply
Recommended power supply	650 W	750 W
Slot width
Slot width	2-slot (AMD reference)	–
Size (reference card)
Size (reference card)	267 mm long (AMD reference); no reference width or height verified	–
Video encode and decode
Video encode and decode	Hardware AV1 decoding; H.264 and H.265/HEVC encode and decode	H.264, HEVC and AV1 encode and decode