AMD Radeon RX 6700 XT vs Intel Arc B580

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

Radeon RX 6700 XT compared with Arc B580

	AMDRadeon RX 6700 XT	IntelArc B580
Overview
Released
Released	March 2021	December 2024
Performance
Chip maker
Chip maker	AMD	Intel
Architecture
Architecture	RDNA 2	Xe2 (Battlemage)
Shader cores
Shader cores	2,560	2,560
Boost clock
Boost clock	2,581 MHz	–
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.	20 Xe-cores in 5 render slices; 160 Xe Vector Engines; Intel lists a 2670 MHz graphics clock
Manufacturing process
Manufacturing process	7 nm	TSMC N5
Ray tracing
Ray tracing	40 Ray Accelerators; DirectX Raytracing support	20 second-generation ray tracing units
AI cores
AI cores	–	160 Intel XMX engines; 233 TOPS INT8
Upscaling and frame generation
Upscaling and frame generation	AMD FidelityFX Super Resolution (FSR); AMD Radeon Super Resolution	XeSS 2 with XeSS Super Resolution, XeSS Frame Generation and Xe Low Latency
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	–
Memory
Video memory
Video memory	12 GB GDDR6	12 GB GDDR6
Memory bus
Memory bus	192-bit	192-bit
Memory bandwidth
Memory bandwidth	384 GB/s	456 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 19 Gbps
Connections and power
Board power
Board power	230 W	190 W (better)
Interface
Interface	PCIe 4.0	PCIe 4.0 x8
Display outputs
Display outputs	DisplayPort 1.4a and HDMI 2.1 supporting 4K 120 Hz or 8K 60 Hz with VRR	HDMI 2.1, DisplayPort 2.1 up to UHBR 13.5, DisplayPort 2.1 up to UHBR 10; up to 4 displays
Maximum resolution
Maximum resolution	–	7680 × 4320 at 120 Hz over HDMI, 7680 × 4320 at 60 Hz over DisplayPort
Power connector
Power connector	1 × PCIe 8-pin and 1 × PCIe 6-pin	1 × 8-pin (Limited Edition)
Recommended power supply
Recommended power supply	650 W	600 W
Slot width
Slot width	2-slot (AMD reference)	2-slot (Limited Edition)
Size (reference card)
Size (reference card)	267 mm long (AMD reference); no reference width or height verified	272 × 115 mm, 779 g (Limited Edition)
Video encode and decode
Video encode and decode	Hardware AV1 decoding; H.264 and H.265/HEVC encode and decode	2 multi-format codec engines; H.264, HEVC and AV1 encode and decode; HDR10, HDR10+ Gaming and Dolby Vision