NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon Pro Vega II

VS

NVIDIA GeForce RTX 3080 Ti 20 GB

AMD Radeon Pro Vega II

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 32GB VRAM Radeon Pro Vega II 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 2 years and 7 months late

6144 additional rendering cores

Lower TDP (350W vs 475W)

AMD Radeon Pro Vega II 's Advantages

Boost Clock has increased by 3% (1720MHz vs 1665MHz)

More VRAM (32GB vs 20GB)

Larger VRAM bandwidth (825.3GB/s vs 760.3GB/s)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +142%

34.1 TFLOPS

Radeon Pro Vega II

14.09 TFLOPS

Blender

GeForce RTX 3080 Ti 20 GB +615%

5956

Radeon Pro Vega II

832

GeForce RTX 3080 Ti 20 GB

VS

Radeon Pro Vega II

Graphics Card

Jan 2022

Release Date

Jun 2019

GeForce 30

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

Apple MPX

Clock Speeds

1335 MHz

Base Clock

1574 MHz

1665 MHz

Boost Clock

1720 MHz

1188 MHz

Memory Clock

806 MHz

Memory

20GB

Memory Size

32GB

GDDR6X

Memory Type

HBM2

320bit

Memory Bus

4096bit

760.3GB/s

Bandwidth

825.3GB/s

Render Config

-

Compute Units

64

80

SM Count

-

10240

Shading Units

4096

320

TMUs

256

112

ROPs

64

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

4 MB

-

Theoretical Performance

186.5 GPixel/s

Pixel Rate

110.1 GPixel/s

532.8 GTexel/s

Texture Rate

440.3 GTexel/s

34.10 TFLOPS

FP16 (half)

28.18 TFLOPS

34.10 TFLOPS

FP32 (float)

14.09 TFLOPS

532.8 GFLOPS

FP64 (double)

7.045 TFLOPS

Board Design

350W

TDP

475W

750 W

Suggested PSU

850 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 4x Thunderbolt

1x 12-pin

Power Connectors

None

Graphics Processor

GA102

GPU Name

Vega 20

GA102-225-A1

GPU Variant

Vega 20 XT

Ampere

Architecture

GCN 5.1

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

28.3 billion

Transistors

13.23 billion

628 mm²

Die Size

331 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.6

CUDA

-

6.6

Shader Model

6.7

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