AMD Radeon R9 390 vs AMD Radeon Pro Vega II

VS

AMD Radeon R9 390

AMD Radeon Pro Vega II

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

Main Differences

AMD Radeon R9 390 's Advantages

Lower TDP (275W vs 475W)

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)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 390

5.12 TFLOPS

Radeon Pro Vega II +175%

14.09 TFLOPS

Radeon R9 390

VS

Radeon Pro Vega II

Graphics Card

Jun 2015

Release Date

Jun 2019

Pirate Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

Apple MPX

Clock Speeds

-

Base Clock

1574 MHz

-

Boost Clock

1720 MHz

1500 MHz

Memory Clock

806 MHz

Memory

8GB

Memory Size

32GB

GDDR5

Memory Type

HBM2

512bit

Memory Bus

4096bit

384.0GB/s

Bandwidth

825.3GB/s

Render Config

40

Compute Units

64

-

2560

Shading Units

4096

160

TMUs

256

64

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

4 MB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

110.1 GPixel/s

160.0 GTexel/s

Texture Rate

440.3 GTexel/s

-

FP16 (half)

28.18 TFLOPS

5.120 TFLOPS

FP32 (float)

14.09 TFLOPS

640.0 GFLOPS

FP64 (double)

7.045 TFLOPS

Board Design

275W

TDP

475W

600 W

Suggested PSU

850 W

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

Outputs

1x HDMI 2.0b 4x Thunderbolt

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

Vega 20

Grenada PRO (215-0880030)

GPU Variant

Vega 20 XT

GCN 2.0

Architecture

GCN 5.1

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

6.2 billion

Transistors

13.23 billion

438 mm²

Die Size

331 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

6.3

Shader Model

6.7

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