AMD Radeon RX 7900 XTX vs NVIDIA GeForce RTX 4090

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Radeon RX 7900 XTX compared with GeForce RTX 4090

	AMDRadeon RX 7900 XTX	NVIDIAGeForce RTX 4090
Overview
Released
Released	December 2022	October 2022
Performance
Chip maker
Chip maker	AMD	NVIDIA
Architecture
Architecture	RDNA 3	Ada Lovelace
Shader cores
Shader cores	6,144	16,384
Boost clock
Boost clock	2,500 MHz	2,520 MHz (better)
Architecture
Architecture	96 compute units, 192 ROPs, 384 texture units; game clock 2300 MHz; 58 billion transistors	AD102 GPU; 128 SMs, 512 texture units, 176 ROPs
Manufacturing process
Manufacturing process	Chiplet design; 5nm Graphics Compute Die (306 mm²) with 6nm Memory Cache Dies	TSMC 4N NVIDIA custom process; 76.3 billion transistors; 608.5 mm² die
Ray tracing
Ray tracing	96 second-generation Ray Accelerators	128 third-generation RT Cores; 191 RT TFLOPS
AI cores
AI cores	192 AI Accelerators; 123 TOPS INT8	512 fourth-generation Tensor Cores; 1321 AI TOPS
Upscaling and frame generation
Upscaling and frame generation	AMD FSR, Radeon Super Resolution	DLSS 3.5 with Super Resolution, DLAA, Ray Reconstruction and Frame Generation
Base clock
Base clock	–	2.23 GHz
Cache
Cache	96 MB AMD Infinity Cache (second generation)	72 MB L2
Memory
Video memory
Video memory	24 GB GDDR6	24 GB GDDR6X
Memory bus
Memory bus	384-bit	384-bit
Memory bandwidth
Memory bandwidth	960 GB/s	1,008 GB/s (better)
Memory detail
Memory detail	GDDR6 at up to 20 Gbps; AMD quotes up to 3500 GB/s effective bandwidth with Infinity Cache	GDDR6X at 21 Gbps
Connections and power
Board power
Board power	355 W (better)	450 W
Interface
Interface	–	PCIe 4.0
Display outputs
Display outputs	DisplayPort 2.1 (UHBR 13.5), HDMI 2.1a, USB Type-C	3 × DisplayPort 1.4a, 1 × HDMI 2.1a; up to 4 displays; HDCP 2.3
Maximum resolution
Maximum resolution	Up to 4K 480 Hz or 8K 165 Hz over DisplayPort 2.1	4K at 240 Hz or 8K at 60 Hz with DSC, HDR
Power connector
Power connector	2 × 8-pin	1 × 450 W or greater PCIe Gen 5 cable, or 3 × PCIe 8-pin cables with the adapter in the box
Recommended power supply
Recommended power supply	800 W	850 W
Slot width
Slot width	2.5-slot (reference card)	3-slot, 61 mm (Founders Edition)
Size (reference card)
Size (reference card)	287 mm long, 2.5-slot (reference card)	304 × 137 mm, 3-slot (Founders Edition)
Video encode and decode
Video encode and decode	H.264, HEVC and AV1 encode and decode	2 × eighth-generation NVENC, 1 × fifth-generation NVDEC; AV1 encode and decode