AMD Radeon RX 7700 XT vs AMD Radeon RX 7900 XT

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

Better figure, where one is clearly better

Radeon RX 7700 XT compared with Radeon RX 7900 XT
AMDRadeon RX 7700 XTAMDRadeon RX 7900 XT
Overview
ReleasedSeptember 2023December 2022
Performance
Chip makerAMDAMD
ArchitectureRDNA 3RDNA 3
Shader cores3,4565,376
Boost clock2,544 MHz (better)2,400 MHz
Architecture54 compute units, 96 ROPs; game clock 2171 MHz; 28.1 billion transistors84 compute units, 192 ROPs; game clock 2000 MHz; 58 billion transistors
Manufacturing process–Chiplet design; 5nm Graphics Compute Die with 6nm Memory Cache Dies
Ray tracing54 second-generation Ray Accelerators84 second-generation Ray Accelerators
AI cores108 AI Accelerators; 70.3 TOPS INT8168 AI Accelerators; 103 TOPS INT8
Upscaling and frame generationAMD FSR, Radeon Super ResolutionAMD FSR, Radeon Super Resolution
Cache48 MB AMD Infinity Cache (second generation)80 MB AMD Infinity Cache (second generation)
Memory
Video memory12 GB GDDR620 GB GDDR6 (better)
Memory bus192-bit320-bit (better)
Memory bandwidth432 GB/s800 GB/s (better)
Memory detailGDDR6 at up to 18 Gbps; AMD quotes up to 1995 GB/s effective bandwidth with Infinity CacheGDDR6 at up to 20 Gbps; AMD quotes up to 2900 GB/s effective bandwidth with Infinity Cache
Connections and power
Board power245 W (better)315 W
Display outputsDisplayPort 2.1, HDMI 2.1DisplayPort 2.1 (UHBR 13.5), HDMI 2.1a, USB Type-C
Maximum resolution–Up to 4K 480 Hz or 8K 165 Hz over DisplayPort 2.1
Power connector2 × 8-pin2 × 8-pin
Recommended power supply700 W750 W
Slot width2.5-slot (reference card)2.5-slot (reference card)
Size (reference card)267 mm long, 2.5-slot (reference card)276 mm long, 2.5-slot (reference card)
Video encode and decodeH.264, HEVC and AV1 encode and decodeH.264, HEVC and AV1 encode and decode

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