NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA GeForce RTX 3090

Table of Contents

Graphics Processor

GPU model GA102 GA102
GPU variant GA102-225-A1 GA102-300-A1
Architecture Ampere Ampere
Foundry Samsung Samsung
Manufacturing process 8 nm 8 nm
Number of transistors 28,300 million 28,300 million
Die size 628 mm² 628 mm²

Graphics Card

Release date Jan 2022 Sep 1st, 2020
gpu.details.availability 2022 Sep 24th, 2020
Generation GeForce 30 GeForce 30
Predecessor GeForce 20 GeForce 20
Production Active Active
Launch price 1,199 USD 1,499 USD
Interface PCIe 4.0 x16 PCIe 4.0 x16
Reviews 50 in our database 56 in our database
Current price Amazon / Newegg

Clocks

Base clock 1335 MHz 1395 MHz
Boost clock 1665 MHz 1695 MHz
Memory clock 1188 MHz 19 Gbps effective 1219 MHz 19.5 Gbps effective

Memory Configuration

Memory size 20 GB 24 GB
Memory type GDDR6X GDDR6X
Memory bus width 320 bit 384 bit
Bandwidth 760.3 GB/s 936.2 GB/s

Render Configuration

Shading units 10240 10496
TMUs 320 328
ROPs 112 112
SM count 80 82
Tensor cores 320 328
RT cores 80 82
Cache L1 128 KB (per SM) 128 KB (per SM)
Cache L2 6 MB 6 MB

Performance

Pixel rate 186.5 GPixel/s 189.8 GPixel/s
Texture rate 532.8 GTexel/s 556.0 GTexel/s
FP16 (half) performance 34.10 TFLOPS (1:1) 35.58 TFLOPS (1:1)
FP32 (float) performance 34.10 TFLOPS 35.58 TFLOPS
FP64 (double) performance 532.8 GFLOPS (1:64) 556.0 GFLOPS (1:64)

Dimensions & Outputs

Slot width Dual-slot Triple-slot
Length 285 mm 11.2 inches 336 mm 13.2 inches
Width 112 mm 4.4 inches 140 mm 5.5 inches
Height 40 mm 1.6 inches 61 mm 2.4 inches
TDP 350 W 350 W
Suggested PSU 750 W 750 W
Outputs 1x HDMI3x DisplayPort 1x HDMI3x DisplayPort
Power connectors 1x 12-pin 1x 12-pin
Board number PG132 SKU 10

API Support & Features

DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.2 1.2
CUDA 8.6 8.6
Shader model 6.6 6.6

Other Features

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