AMD Radeon R9 390 X2 vs AMD Radeon VII

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 16GB VRAM Radeon VII to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon VII 's Advantages

Released 3 years and 5 months late

Boost Clock1750MHz

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (1020GB/s vs 345.6GB/s)

1280 additional rendering cores

Lower TDP (295W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2

5.12 TFLOPS

Radeon VII +162%

13.44 TFLOPS

Radeon R9 390 X2

VS

Radeon VII

Graphics Card

Sep 2015

Release Date

Feb 2019

Pirate Islands

Generation

Vega II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1400 MHz

-

Boost Clock

1750 MHz

1350 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

16GB

GDDR5

Memory Type

HBM2

512bit

Memory Bus

4096bit

345.6GB/s

Bandwidth

1020GB/s

Render Config

-

SM Count

-

40

Compute Units

60

2560

Shading Units

3840

160

TMUs

240

64

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

4 MB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

112.0 GPixel/s

160.0 GTexel/s

Texture Rate

420.0 GTexel/s

-

FP16 (half)

26.88 TFLOPS

5.120 TFLOPS

FP32 (float)

13.44 TFLOPS

640.0 GFLOPS

FP64 (double)

3.360 TFLOPS

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

Board Design

580W

TDP

295W

950 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

4x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

6.3

Shader Model

6.7

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