AMD Radeon RX 7900 XT vs Intel Arc A770

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Radeon RX 7900 XT compared with Arc A770

	AMDRadeon RX 7900 XT	IntelArc A770
Overview
Released
Released	December 2022	October 2022
Performance
Chip maker
Chip maker	AMD	Intel
Architecture
Architecture	RDNA 3	Xe HPG (Alchemist)
Shader cores
Shader cores	5,376	4,096
Boost clock
Boost clock	2,400 MHz	–
Architecture
Architecture	84 compute units, 192 ROPs; game clock 2000 MHz; 58 billion transistors	32 Xe-cores in 8 render slices; 512 Xe Vector Engines; Intel lists a 2100 MHz graphics clock, not a boost-clock rating. Photo shows the 16 GB Limited Edition backplate; 8 GB partner coolers vary
Manufacturing process
Manufacturing process	Chiplet design; 5nm Graphics Compute Die with 6nm Memory Cache Dies	TSMC N6
Ray tracing
Ray tracing	84 second-generation Ray Accelerators	32 ray tracing units
AI cores
AI cores	168 AI Accelerators; 103 TOPS INT8	512 Intel XMX engines; 262 TOPS INT8
Upscaling and frame generation
Upscaling and frame generation	AMD FSR, Radeon Super Resolution	Intel XeSS
Cache
Cache	80 MB AMD Infinity Cache (second generation)	–
Memory
Video memory
Video memory	20 GB GDDR6	16 GB GDDR6 or 8 GB GDDR6
Memory bus
Memory bus	320-bit (better)	256-bit
Memory bandwidth
Memory bandwidth	800 GB/s	560 GB/s or 512 GB/s
Memory detail
Memory detail	GDDR6 at up to 20 Gbps; AMD quotes up to 2900 GB/s effective bandwidth with Infinity Cache	16 GB GDDR6 at 17.5 Gbps; also sold as an 8 GB version with 16 Gbps memory (512 GB/s)
Connections and power
Board power
Board power	315 W	225 W (better)
Interface
Interface	–	PCIe 4.0 x16
Display outputs
Display outputs	DisplayPort 2.1 (UHBR 13.5), HDMI 2.1a, USB Type-C	DisplayPort 2.0 up to UHBR 10, HDMI 2.1, HDMI 2.0b; up to 4 displays
Maximum resolution
Maximum resolution	Up to 4K 480 Hz or 8K 165 Hz over DisplayPort 2.1	7680 × 4320 at 60 Hz over DisplayPort, 4096 × 2160 at 60 Hz over HDMI
Power connector
Power connector	2 × 8-pin	–
Recommended power supply
Recommended power supply	750 W	–
Slot width
Slot width	2.5-slot (reference card)	–
Size (reference card)
Size (reference card)	276 mm long, 2.5-slot (reference card)	–
Video encode and decode
Video encode and decode	H.264, HEVC and AV1 encode and decode	2 multi-format codec engines; H.264, HEVC and AV1 encode and decode