AMD Radeon R9 390 X2 vs AMD Radeon RX 560 XT

VS

AMD Radeon R9 390 X2

AMD Radeon RX 560 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 4GB VRAM Radeon RX 560 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (345.6GB/s vs 224.0GB/s)

768 additional rendering cores

AMD Radeon RX 560 XT 's Advantages

Released 3 years and 6 months late

Boost Clock1226MHz

Lower TDP (150W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +16%

5.12 TFLOPS

Radeon RX 560 XT

4.394 TFLOPS

Radeon R9 390 X2

VS

Radeon RX 560 XT

Graphics Card

Sep 2015

Release Date

Mar 2019

Pirate Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1074 MHz

-

Boost Clock

1226 MHz

1350 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

345.6GB/s

Bandwidth

224.0GB/s

Render Config

40

Compute Units

28

-

2560

Shading Units

1792

160

TMUs

112

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

39.23 GPixel/s

160.0 GTexel/s

Texture Rate

137.3 GTexel/s

-

FP16 (half)

4.394 TFLOPS

5.120 TFLOPS

FP32 (float)

4.394 TFLOPS

640.0 GFLOPS

FP64 (double)

274.6 GFLOPS

Board Design

580W

TDP

150W

950 W

Suggested PSU

450 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

1x 6-pin

Graphics Processor

Grenada

GPU Name

Ellesmere

Grenada PRO (215-0880030)

GPU Variant

Polaris 10 LE1

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

6.2 billion

Transistors

5.7 billion

438 mm²

Die Size

232 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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