NVIDIA GeForce RTX 3080 Ti vs NVIDIA GeForce RTX 3090

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GeForce RTX 3080 Ti compared with GeForce RTX 3090

	NVIDIAGeForce RTX 3080 Ti	NVIDIAGeForce RTX 3090
Overview
Released
Released	June 2021	September 2020
Performance
Chip maker
Chip maker	NVIDIA	NVIDIA
Architecture
Architecture	Ampere	Ampere
Shader cores
Shader cores	10,240	10,496
Boost clock
Boost clock	1,670 MHz	1,700 MHz (better)
Architecture
Architecture	NVIDIA reference specifications. The photo shows PNY's stock-clock XLR8 Gaming REVEL EPIC-X RGB Triple Fan; its cooler differs from the Founders Edition geometry below.	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; 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	NVIDIA lists 1.37 GHz base and 1.67 GHz boost rounded to two decimal places; stock-clock PNY REVEL specifies 1365 MHz base and 1665 MHz 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	12 GB GDDR6X	24 GB GDDR6X (better)
Memory bus
Memory bus	384-bit	384-bit
Memory bandwidth
Memory bandwidth	912 GB/s	936 GB/s (better)
Memory detail
Memory detail	19 Gbps GDDR6X; 912 GB/s bandwidth verified by PNY's stock-clock REVEL specification	19.5 Gbps GDDR6X
Connections and power
Board power
Board power	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; DisplayPort supports 4K 240 Hz with DSC	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 (Founders Edition)	2 × PCIe 8-pin cables through the included adapter to 1 × 12-pin (Founders Edition)
Recommended power supply
Recommended power supply	750 W, 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 (Founders Edition)	3-slot (Founders Edition)
Size (reference card)
Size (reference card)	285 × 112 mm, 2-slot (Founders Edition)	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 and fifth-generation NVDEC; no hardware AV1 encoding	Seventh-generation NVENC, fifth-generation NVDEC; hardware AV1 decode, no AV1 encode