NVIDIA GeForce RTX 3080 vs NVIDIA GeForce RTX 4080

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GeForce RTX 3080 compared with GeForce RTX 4080

	NVIDIAGeForce RTX 3080	NVIDIAGeForce RTX 4080
Overview
Released
Released	September 2020	November 2022
Performance
Chip maker
Chip maker	NVIDIA	NVIDIA
Architecture
Architecture	Ampere	Ada Lovelace
Shader cores
Shader cores	8,704 or 8,960	9,728
Boost clock
Boost clock	1,710 MHz	2,510 MHz (better)
Architecture
Architecture	GA102. NVIDIA reference specifications; the photo shows PNY's stock-clock 10 GB XLR8 Gaming REVEL EPIC-X RGB Triple Fan, whose cooler and dimensions differ from the Founders Edition.	AD103; 76 Streaming Multiprocessors. Specifications describe NVIDIA's reference card; the photo shows PNY's original RTX 4080 VERTO Triple Fan, whose cooler and dimensions differ.
Manufacturing process
Manufacturing process	Samsung 8 nm 8N NVIDIA custom process	TSMC 4N; 45.9 billion transistors; 378.6 mm² die
Ray tracing
Ray tracing	Second-generation RT Cores	76 third-generation RT Cores; 113 RT TFLOPS
AI cores
AI cores	Third-generation Tensor Cores	304 fourth-generation Tensor Cores; 780 AI TOPS
Upscaling and frame generation
Upscaling and frame generation	NVIDIA DLSS upscaling; no DLSS Frame Generation	DLSS 3.5 with Super Resolution, DLAA, Ray Reconstruction and Frame Generation
Base clock
Base clock	1.44 GHz (10 GB); 1.26 GHz (12 GB); both have 1.71 GHz boost	2.21 GHz on the current NVIDIA specification page; PNY's stock-clock VERTO lists 2,205 MHz base, while NVIDIA's Ada architecture whitepaper gives 2,505 MHz boost (current page rounds boost to 2.51 GHz)
Cache
Cache	–	65,536 KB L2
Memory
Video memory
Video memory	10 GB GDDR6X or 12 GB GDDR6X	16 GB GDDR6X
Memory bus
Memory bus	320-bit or 384-bit	256-bit
Memory bandwidth
Memory bandwidth	760 GB/s or 912 GB/s	716.8 GB/s
Memory detail
Memory detail	19 Gbps GDDR6X on both revisions; the 12 GB card uses a 384-bit bus and 912 GB/s bandwidth (Gainward stock-clock Phoenix specifications)	22.4 Gbps GDDR6X
Connections and power
Board power
Board power	320 W or 350 W	320 W
Interface
Interface	PCIe 4.0	PCIe 4.0
Display outputs
Display outputs	3 × DisplayPort 1.4a, 1 × HDMI 2.1; 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	7680 × 4320; HDMI supports 4K 120 Hz HDR or 8K 60 Hz HDR	4K at 240 Hz or 8K at 60 Hz with DSC and HDR
Power connector
Power connector	2 × PCIe 8-pin cables through the included adapter to 1 × 12-pin (10 GB Founders Edition); check the manufacturer for 12 GB partner cards	3 × PCIe 8-pin cables through the included adapter, or 1 × 450 W or greater PCIe Gen 5 cable (Founders Edition)
Recommended power supply
Recommended power supply	750 W for both revisions, based on NVIDIA's Intel Core i9-10900K test system	750 W; NVIDIA recommends another 36 mm of clearance for the power cable
Slot width
Slot width	2-slot (10 GB Founders Edition); 12 GB partner cards vary	3-slot (Founders Edition)
Size (reference card)
Size (reference card)	285 × 112 mm, 2-slot (10 GB Founders Edition); no separate reference geometry verified for the 12 GB revision	304 × 137 mm, 3-slot; NVIDIA's system-clearance guide specifies 61 mm thickness (Founders Edition)
Video encode and decode
Video encode and decode	Seventh-generation NVENC, fifth-generation NVDEC; hardware AV1 decode, no AV1 encode	2 × eighth-generation NVENC, fifth-generation NVDEC; AV1 encode and decode