AMD Radeon RX 580G vs AMD Radeon RX 550

VS

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

Main Differences

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

AMD Radeon RX 550 's Advantages

Lower TDP (50W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580G +406%

6.129 TFLOPS

Radeon RX 550

1.211 TFLOPS

Radeon RX 580G

VS

Radeon RX 550

Graphics Card

Oct 2018

Release Date

Apr 2017

Polaris

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1257 MHz

Base Clock

1100 MHz

1330 MHz

Boost Clock

1183 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

112.0GB/s

Render Config

-

SM Count

-

36

Compute Units

8

2304

Shading Units

512

144

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

42.56 GPixel/s

Pixel Rate

18.93 GPixel/s

191.5 GTexel/s

Texture Rate

37.86 GTexel/s

6.129 TFLOPS

FP16 (half)

1211 GFLOPS

6.129 TFLOPS

FP32 (float)

1211 GFLOPS

383.0 GFLOPS

FP64 (double)

75.71 GFLOPS

Graphics Processor

Polaris 20

GPU Name

Lexa

Polaris 20 XTX (215-0910038)

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

Board Design

185W

TDP

50W

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 Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.4

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