NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon Pro V620

VS

NVIDIA GeForce RTX 3080 Ti 20 GB

AMD Radeon Pro V620

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 32GB VRAM Radeon Pro V620 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

Larger VRAM bandwidth (760.3GB/s vs 512.0GB/s)

5632 additional rendering cores

AMD Radeon Pro V620 's Advantages

Boost Clock has increased by 32% (2200MHz vs 1665MHz)

More VRAM (32GB vs 20GB)

Lower TDP (300W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +68%

34.1 TFLOPS

Radeon Pro V620

20.28 TFLOPS

GeForce RTX 3080 Ti 20 GB

VS

Radeon Pro V620

Graphics Card

Jan 2022

Release Date

Nov 2021

GeForce 30

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1335 MHz

Base Clock

1825 MHz

1665 MHz

Boost Clock

2200 MHz

1188 MHz

Memory Clock

2000 MHz

Memory

20GB

Memory Size

32GB

GDDR6X

Memory Type

GDDR6

320bit

Memory Bus

256bit

760.3GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

72

80

SM Count

-

10240

Shading Units

4608

320

TMUs

288

112

ROPs

128

320

Tensor Cores

-

80

RT Cores

72

128 KB (per SM)

L1 Cache

128 KB per Array

6 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

281.6 GPixel/s

532.8 GTexel/s

Texture Rate

633.6 GTexel/s

34.10 TFLOPS

FP16 (half)

40.55 TFLOPS

34.10 TFLOPS

FP32 (float)

20.28 TFLOPS

532.8 GFLOPS

FP64 (double)

1267 GFLOPS

Board Design

350W

TDP

300W

750 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 12-pin

Power Connectors

2x 8-pin

Graphics Processor

GA102

GPU Name

Navi 21

GA102-225-A1

GPU Variant

Navi 21 XT (215-121000177)

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

28.3 billion

Transistors

26.8 billion

628 mm²

Die Size

520 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.6

CUDA

-

6.6

Shader Model

6.5

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