AMD Radeon Pro V620 vs AMD Radeon 550X

VS

AMD Radeon Pro V620

AMD Radeon 550X

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro V620 and 2GB VRAM Radeon 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V620 's Advantages

Released 2 years and 8 months late

Boost Clock has increased by 81% (2200MHz vs 1218MHz)

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 112.0GB/s)

4096 additional rendering cores

AMD Radeon 550X 's Advantages

Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro V620 +1526%

20.28 TFLOPS

Radeon 550X

1.247 TFLOPS

Radeon Pro V620

VS

Radeon 550X

Graphics Card

Nov 2021

Release Date

Mar 2019

Radeon Pro

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1825 MHz

Base Clock

1082 MHz

2200 MHz

Boost Clock

1218 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

32GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

112.0GB/s

Render Config

72

Compute Units

8

-

4608

Shading Units

512

288

TMUs

32

128

ROPs

16

-

72

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

128 MB

L3 Cache

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

19.49 GPixel/s

633.6 GTexel/s

Texture Rate

38.98 GTexel/s

40.55 TFLOPS

FP16 (half)

1247 GFLOPS

20.28 TFLOPS

FP32 (float)

1247 GFLOPS

1267 GFLOPS

FP64 (double)

77.95 GFLOPS

Board Design

300W

TDP

50W

700 W

Suggested PSU

250 W

No outputs

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Lexa

Navi 21 XT (215-121000177)

GPU Variant

Lexa PRO (215-0904018)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

26.8 billion

Transistors

2.2 billion

520 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

6.5

Shader Model

6.4

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