AMD Radeon Pro V620 vs AMD Radeon R9 390 X2

VS

AMD Radeon Pro V620

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro V620 and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V620 's Advantages

Released 6 years and 2 months late

Boost Clock2200MHz

More VRAM (32GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 345.6GB/s)

2048 additional rendering cores

Lower TDP (300W vs 580W)

Score

Benchmark

FP32 (float)

Radeon Pro V620 +296%

20.28 TFLOPS

Radeon R9 390 X2

5.12 TFLOPS

Radeon Pro V620

VS

Radeon R9 390 X2

Graphics Card

Nov 2021

Release Date

Sep 2015

Radeon Pro

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2200 MHz

Boost Clock

-

2000 MHz

Memory Clock

1350 MHz

Memory

32GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

512bit

512.0GB/s

Bandwidth

345.6GB/s

Render Config

72

Compute Units

40

-

4608

Shading Units

2560

288

TMUs

160

128

ROPs

64

-

72

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

128 MB

L3 Cache

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

64.00 GPixel/s

633.6 GTexel/s

Texture Rate

160.0 GTexel/s

40.55 TFLOPS

FP16 (half)

-

20.28 TFLOPS

FP32 (float)

5.120 TFLOPS

1267 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

300W

TDP

580W

700 W

Suggested PSU

950 W

No outputs

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 8-pin

Power Connectors

4x 8-pin

Graphics Processor

Navi 21

GPU Name

Grenada

Navi 21 XT (215-121000177)

GPU Variant

Grenada PRO (215-0880030)

RDNA 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

6.2 billion

520 mm²

Die Size

438 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.3

Vulkan

1.2

-

6.5

Shader Model

6.3

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