NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA GeForce RTX 2080 Ti

VS

NVIDIA GeForce RTX 3080 Ti 20 GB NVIDIA GeForce RTX 2080 Ti

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 11GB VRAM GeForce RTX 2080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Released 3 years and 4 months late

Boost Clock has increased by 8% (1665MHz vs 1545MHz)

More VRAM (20GB vs 11GB)

Larger VRAM bandwidth (760.3GB/s vs 616.0GB/s)

5888 additional rendering cores

NVIDIA GeForce RTX 2080 Ti 's Advantages

Lower TDP (250W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +153%

34.1 TFLOPS

GeForce RTX 2080 Ti

13.45 TFLOPS

GeForce RTX 3080 Ti 20 GB

VS

GeForce RTX 2080 Ti

Graphics Card

Jan 2022

Release Date

Sep 2018

GeForce 30

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1335 MHz

Base Clock

1350 MHz

1665 MHz

Boost Clock

1545 MHz

1188 MHz

Memory Clock

1750 MHz

Memory

20GB

Memory Size

11GB

GDDR6X

Memory Type

GDDR6

320bit

Memory Bus

352bit

760.3GB/s

Bandwidth

616.0GB/s

Render Config

80

SM Count

68

-

Compute Units

-

10240

Shading Units

4352

320

TMUs

272

112

ROPs

88

320

Tensor Cores

544

80

RT Cores

68

128 KB (per SM)

L1 Cache

64 KB (per SM)

6 MB

L2 Cache

0 MB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

136.0 GPixel/s

532.8 GTexel/s

Texture Rate

420.2 GTexel/s

34.10 TFLOPS

FP16 (half)

26.90 TFLOPS

34.10 TFLOPS

FP32 (float)

13.45 TFLOPS

532.8 GFLOPS

FP64 (double)

420.2 GFLOPS

Graphics Processor

GA102

GPU Name

TU102

GA102-225-A1

GPU Variant

TU102-300A-K1-A1

Ampere

Architecture

Turing

Samsung

Foundry

TSMC

8 nm

Process Size

12 nm

28.3 billion

Transistors

18.6 billion

628 mm²

Die Size

754 mm²

Board Design

350W

TDP

250W

750 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a 1x USB Type-C

1x 12-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

7.5

6.6

Shader Model

6.6

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