NVIDIA GeForce RTX 4080 SUPER vs NVIDIA GeForce RTX 4090

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GeForce RTX 4080 SUPER compared with GeForce RTX 4090

	NVIDIAGeForce RTX 4080 SUPER	NVIDIAGeForce RTX 4090
Overview
Released
Released	January 2024	October 2022
Performance
Chip maker
Chip maker	NVIDIA	NVIDIA
Architecture
Architecture	Ada Lovelace	Ada Lovelace
Shader cores
Shader cores	10,240	16,384
Boost clock
Boost clock	2,550 MHz (better)	2,520 MHz
Architecture
Architecture	–	AD102 GPU; 128 SMs, 512 texture units, 176 ROPs
Manufacturing process
Manufacturing process	–	TSMC 4N NVIDIA custom process; 76.3 billion transistors; 608.5 mm² die
Ray tracing
Ray tracing	Third-generation RT Cores; 121 RT TFLOPS	128 third-generation RT Cores; 191 RT TFLOPS
AI cores
AI cores	Fourth-generation Tensor Cores; 836 AI TOPS	512 fourth-generation Tensor Cores; 1321 AI TOPS
Upscaling and frame generation
Upscaling and frame generation	DLSS 3.5 with Super Resolution, DLAA, Ray Reconstruction and Frame Generation	DLSS 3.5 with Super Resolution, DLAA, Ray Reconstruction and Frame Generation
Base clock
Base clock	2.29 GHz	2.23 GHz
Cache
Cache	64 MB L2	72 MB L2
Memory
Video memory
Video memory	16 GB GDDR6X	24 GB GDDR6X (better)
Memory bus
Memory bus	256-bit	384-bit (better)
Memory bandwidth
Memory bandwidth	736 GB/s	1,008 GB/s (better)
Memory detail
Memory detail	GDDR6X at 23 Gbps	GDDR6X at 21 Gbps
Connections and power
Board power
Board power	320 W (better)	450 W
Interface
Interface	PCIe 4.0	PCIe 4.0
Display outputs
Display outputs	3 × DisplayPort 1.4a, 1 × HDMI 2.1a; up to 4 displays; HDCP 2.3	3 × DisplayPort 1.4a, 1 × HDMI 2.1a; up to 4 displays; HDCP 2.3
Maximum resolution
Maximum resolution	4K at 240 Hz or 8K at 60 Hz with DSC, HDR	4K at 240 Hz or 8K at 60 Hz with DSC, HDR
Power connector
Power connector	1 × 450 W or greater PCIe Gen 5 cable, or 3 × PCIe 8-pin cables with the adapter in the box	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	750 W	850 W
Slot width
Slot width	3-slot (Founders Edition)	3-slot, 61 mm (Founders Edition)
Size (reference card)
Size (reference card)	304 × 137 mm, 3-slot (Founders Edition)	304 × 137 mm, 3-slot (Founders Edition)
Video encode and decode
Video encode and decode	2 × eighth-generation NVENC, 1 × fifth-generation NVDEC; AV1 encode and decode	2 × eighth-generation NVENC, 1 × fifth-generation NVDEC; AV1 encode and decode