AMD Radeon RX 580G vs AMD Radeon RX 560X

VS

AMD Radeon RX 580G

AMD Radeon RX 560X

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 4GB VRAM Radeon RX 560X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580G 's Advantages

Released 6 months late

Boost Clock has increased by 4% (1330MHz vs 1275MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 112.0GB/s)

1280 additional rendering cores

AMD Radeon RX 560X 's Advantages

Lower TDP (75W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580G +134%

6.129 TFLOPS

Radeon RX 560X

2.611 TFLOPS

Radeon RX 580G

VS

Radeon RX 560X

Graphics Card

Oct 2018

Release Date

Apr 2018

Polaris

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1257 MHz

Base Clock

1175 MHz

1330 MHz

Boost Clock

1275 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

112.0GB/s

Render Config

36

Compute Units

16

-

2304

Shading Units

1024

144

TMUs

64

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

42.56 GPixel/s

Pixel Rate

20.40 GPixel/s

191.5 GTexel/s

Texture Rate

81.60 GTexel/s

6.129 TFLOPS

FP16 (half)

2.611 TFLOPS

6.129 TFLOPS

FP32 (float)

2.611 TFLOPS

383.0 GFLOPS

FP64 (double)

163.2 GFLOPS

Board Design

185W

TDP

75W

450 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

1x 8-pin

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Polaris 21

Polaris 20 XTX (215-0910038)

GPU Variant

Polaris 21 XT (215-0908004)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

3 billion

232 mm²

Die Size

123 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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