AMD Radeon RX 570X vs AMD Radeon RX 550X

VS

AMD Radeon RX 570X

AMD Radeon RX 550X

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 570X and 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 570X 's Advantages

Boost Clock has increased by 5% (1244MHz vs 1183MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.0GB/s vs 96.00GB/s)

1536 additional rendering cores

AMD Radeon RX 550X 's Advantages

Released 8 months late

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 570X +320%

5.095 TFLOPS

Radeon RX 550X

1.211 TFLOPS

Radeon RX 570X

VS

Radeon RX 550X

Graphics Card

Apr 2018

Release Date

Dec 2018

Polaris

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1168 MHz

Base Clock

1100 MHz

1244 MHz

Boost Clock

1183 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

224.0GB/s

Bandwidth

96.00GB/s

Render Config

32

Compute Units

8

-

2048

Shading Units

512

128

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

39.81 GPixel/s

Pixel Rate

18.93 GPixel/s

159.2 GTexel/s

Texture Rate

37.86 GTexel/s

5.095 TFLOPS

FP16 (half)

1211 GFLOPS

5.095 TFLOPS

FP32 (float)

1211 GFLOPS

318.5 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

150W

TDP

50W

450 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Lexa

Polaris 20 XL (215-0910052)

GPU Variant

Lexa PRO (215-0904018)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

2.2 billion

232 mm²

Die Size

103 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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