AMD Radeon RX 580X vs AMD Radeon RX 560 XT

VS

AMD Radeon RX 580X

AMD Radeon RX 560 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580X 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 RX 580X 's Advantages

Boost Clock has increased by 9% (1340MHz vs 1226MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 224.0GB/s)

512 additional rendering cores

AMD Radeon RX 560 XT 's Advantages

Released 11 months late

Lower TDP (150W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580X +40%

6.175 TFLOPS

Radeon RX 560 XT

4.394 TFLOPS

Radeon RX 580X

VS

Radeon RX 560 XT

Graphics Card

Apr 2018

Release Date

Mar 2019

Polaris

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

1074 MHz

1340 MHz

Boost Clock

1226 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

224.0GB/s

Render Config

36

Compute Units

28

-

2304

Shading Units

1792

144

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

2 MB

-

Theoretical Performance

42.88 GPixel/s

Pixel Rate

39.23 GPixel/s

193.0 GTexel/s

Texture Rate

137.3 GTexel/s

6.175 TFLOPS

FP16 (half)

4.394 TFLOPS

6.175 TFLOPS

FP32 (float)

4.394 TFLOPS

385.9 GFLOPS

FP64 (double)

274.6 GFLOPS

Board Design

185W

TDP

150W

450 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Polaris 20

GPU Name

Ellesmere

Polaris 20 XTX (215-0910038)

GPU Variant

Polaris 10 LE1

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

5.7 billion

232 mm²

Die Size

232 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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