NVIDIA GeForce RTX 3080 vs NVIDIA GeForce RTX 3090

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GeForce RTX 3080 compared with GeForce RTX 3090

	NVIDIAGeForce RTX 3080	NVIDIAGeForce RTX 3090
Overview
Released
Released	September 2020	September 2020
Performance
Chip maker
Chip maker	NVIDIA	NVIDIA
Architecture
Architecture	Ampere	Ampere
Shader cores
Shader cores	8,704 or 8,960	10,496
Boost clock
Boost clock	1,710 MHz (better)	1,700 MHz
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.	GA102; 82 Streaming Multiprocessors. Specifications describe NVIDIA's reference card; the photo shows PNY's stock-clock XLR8 Gaming UPRISING EPIC-X RGB Triple Fan, whose cooler and dimensions differ.
Manufacturing process
Manufacturing process	Samsung 8 nm 8N NVIDIA custom process	Samsung 8 nm 8N NVIDIA custom process; 28.3 billion transistors; 628.4 mm² die
Ray tracing
Ray tracing	Second-generation RT Cores	82 second-generation RT Cores
AI cores
AI cores	Third-generation Tensor Cores	328 third-generation Tensor Cores
Upscaling and frame generation
Upscaling and frame generation	NVIDIA DLSS upscaling; no DLSS Frame Generation	NVIDIA DLSS upscaling; no DLSS Frame Generation
Base clock
Base clock	1.44 GHz (10 GB); 1.26 GHz (12 GB); both have 1.71 GHz boost	1.40 GHz on NVIDIA's current page; PNY's stock-clock card lists 1,395 MHz base and 1,695 MHz boost, matching the NVIDIA whitepaper's boost rather than the current rounded 1.70 GHz
Cache
Cache	–	6,144 KB L2
Memory
Video memory
Video memory	10 GB GDDR6X or 12 GB GDDR6X	24 GB GDDR6X
Memory bus
Memory bus	320-bit or 384-bit	384-bit
Memory bandwidth
Memory bandwidth	760 GB/s or 912 GB/s	936 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)	19.5 Gbps GDDR6X
Connections and power
Board power
Board power	320 W or 350 W	350 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 2.1; up to 4 displays; HDCP 2.3; NVLink supported
Maximum resolution
Maximum resolution	7680 × 4320; HDMI supports 4K 120 Hz HDR or 8K 60 Hz HDR	7680 × 4320; HDMI supports 4K 120 Hz HDR or 8K 60 Hz 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	2 × PCIe 8-pin cables through the included adapter to 1 × 12-pin (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, based on NVIDIA's Intel Core i9-10900K test system
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	313 × 138 mm, 3-slot (Founders Edition); allow another 35 mm for the included power adapter
Video encode and decode
Video encode and decode	Seventh-generation NVENC, fifth-generation NVDEC; hardware AV1 decode, no AV1 encode	Seventh-generation NVENC, fifth-generation NVDEC; hardware AV1 decode, no AV1 encode