AMD Radeon RX 550 vs AMD Radeon RX 580G

VS

AMD Radeon RX 550

AMD Radeon RX 580G

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 and 8GB VRAM Radeon RX 580G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 's Advantages

Lower TDP (50W vs 185W)

AMD Radeon RX 580G 's Advantages

Released 1 years and 6 months late

Boost Clock has increased by 12% (1330MHz vs 1183MHz)

More VRAM (8GB vs 2GB)

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

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550

1.211 TFLOPS

Radeon RX 580G +406%

6.129 TFLOPS

Radeon RX 550

VS

Radeon RX 580G

Graphics Card

Apr 2017

Release Date

Oct 2018

Polaris

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

1257 MHz

1183 MHz

Boost Clock

1330 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

256.0GB/s

Render Config

8

Compute Units

36

-

512

Shading Units

2304

32

TMUs

144

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

42.56 GPixel/s

37.86 GTexel/s

Texture Rate

191.5 GTexel/s

1211 GFLOPS

FP16 (half)

6.129 TFLOPS

1211 GFLOPS

FP32 (float)

6.129 TFLOPS

75.71 GFLOPS

FP64 (double)

383.0 GFLOPS

Board Design

50W

TDP

185W

250 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Lexa

GPU Name

Polaris 20

Lexa PRO (215-0904018)

GPU Variant

Polaris 20 XTX (215-0910038)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

5.7 billion

103 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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