AMD Radeon RX 550X vs AMD Radeon RX 550

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X 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 550X 's Advantages

Released 1 years and 8 months late

More VRAM (4GB vs 2GB)

AMD Radeon RX 550 's Advantages

Larger VRAM bandwidth (112.0GB/s vs 96.00GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 550X

1.211 TFLOPS

Radeon RX 550

1.211 TFLOPS

Radeon RX 550X

VS

Radeon RX 550

Graphics Card

Dec 2018

Release Date

Apr 2017

Polaris

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1100 MHz

Base Clock

1100 MHz

1183 MHz

Boost Clock

1183 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

112.0GB/s

Render Config

-

SM Count

-

8

Compute Units

8

512

Shading Units

512

32

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

18.93 GPixel/s

Pixel Rate

18.93 GPixel/s

37.86 GTexel/s

Texture Rate

37.86 GTexel/s

1211 GFLOPS

FP16 (half)

1211 GFLOPS

FP32 (float)

1211 GFLOPS

75.71 GFLOPS

FP64 (double)

75.71 GFLOPS

Graphics Processor

Lexa

GPU Name

Lexa

Lexa PRO (215-0904018)

GPU Variant

Lexa PRO (215-0904018)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

2.2 billion

103 mm²

Die Size

103 mm²

Board Design

50W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

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

None

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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