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

Table of Contents

Graphics Processor

GPU model GA102 GA102
GPU variant GA102-300-A1 GA102-225-A1
Architecture Ampere Ampere
Foundry TSMC Samsung
Manufacturing process 7 nm 8 nm
Number of transistors 40,000 million 28,300 million
Die size 627 mm² 628 mm²

Graphics Card

Release date 2020 Jan 2022
Generation GeForce 30 GeForce 30
Production Unreleased Active
Launch price 1,399 USD 1,199 USD
Interface PCIe 4.0 x16 PCIe 4.0 x16
gpu.details.availability 2022
Predecessor GeForce 20
Reviews 50 in our database

Clocks

Base clock 1410 MHz 1335 MHz
Boost clock 1740 MHz 1665 MHz
Memory clock 2375 MHz 19000 MHz effective 1188 MHz 19 Gbps effective

Memory Configuration

Memory size 12 GB 20 GB
Memory type GDDR6X GDDR6X
Memory bus width 384 bit 320 bit
Bandwidth 912.0 GB/s 760.3 GB/s

Render Configuration

Shading units 5120 10240
TMUs 320 320
ROPs 96 112
SM count 80 80
Tensor cores 640 320
RT cores 160 80
Cache L1 192 KB (per SM) 128 KB (per SM)
Cache L2 6 MB 6 MB

Performance

Pixel rate 167.0 GPixel/s 186.5 GPixel/s
Texture rate 556.8 GTexel/s 532.8 GTexel/s
FP16 (half) performance 35.64 TFLOPS (2:1) 34.10 TFLOPS (1:1)
FP32 (float) performance 17.82 TFLOPS 34.10 TFLOPS
FP64 (double) performance 556.8 GFLOPS (1:32) 532.8 GFLOPS (1:64)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 267 mm 10.5 inches 285 mm 11.2 inches
TDP 320 W 350 W
Suggested PSU 700 W 750 W
Outputs 1x HDMI3x DisplayPort1x USB Type-C 1x HDMI3x DisplayPort
Power connectors 1x 12-pin 1x 12-pin
Board number PG132 SKU 20
Width 112 mm 4.4 inches
Height 40 mm 1.6 inches

API Support & Features

DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.0 3.0
Vulkan 1.2.140 1.2
CUDA 8.5 8.6
Shader model 6.5 6.6

Other Features

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