AMD Radeon Pro Vega II vs AMD Radeon R9 390X

VS

AMD Radeon Pro Vega II

AMD Radeon R9 390X

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

Main Differences

AMD Radeon Pro Vega II 's Advantages

Released 4 years late

Boost Clock1720MHz

More VRAM (32GB vs 8GB)

Larger VRAM bandwidth (825.3GB/s vs 384.0GB/s)

1280 additional rendering cores

AMD Radeon R9 390X 's Advantages

Lower TDP (275W vs 475W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega II +138%

14.09 TFLOPS

Radeon R9 390X

5.914 TFLOPS

Radeon Pro Vega II

VS

Radeon R9 390X

Graphics Card

Jun 2019

Release Date

Jun 2015

Radeon Pro Mac

Generation

Pirate Islands

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 3.0 x16

Clock Speeds

1574 MHz

Base Clock

-

1720 MHz

Boost Clock

-

806 MHz

Memory Clock

1500 MHz

Memory

32GB

Memory Size

8GB

HBM2

Memory Type

GDDR5

4096bit

Memory Bus

512bit

825.3GB/s

Bandwidth

384.0GB/s

Render Config

64

Compute Units

44

-

4096

Shading Units

2816

256

TMUs

176

64

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

110.1 GPixel/s

Pixel Rate

67.20 GPixel/s

440.3 GTexel/s

Texture Rate

184.8 GTexel/s

28.18 TFLOPS

FP16 (half)

-

14.09 TFLOPS

FP32 (float)

5.914 TFLOPS

7.045 TFLOPS

FP64 (double)

739.2 GFLOPS

Board Design

475W

TDP

275W

850 W

Suggested PSU

600 W

1x HDMI 2.0b 4x Thunderbolt

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Vega 20

GPU Name

Grenada

Vega 20 XT

GPU Variant

Grenada XT (215-0880004)

GCN 5.1

Architecture

GCN 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

13.23 billion

Transistors

6.2 billion

331 mm²

Die Size

438 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.3

Vulkan

1.2

-

6.7

Shader Model

6.3

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