AMD Radeon 550X vs AMD Radeon R9 380X

VS

AMD Radeon 550X

AMD Radeon R9 380X

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 4GB VRAM Radeon R9 380X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages

Released 3 years and 4 months late

Boost Clock1218MHz

Lower TDP (50W vs 190W)

AMD Radeon R9 380X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (182.4GB/s vs 112.0GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X

1.247 TFLOPS

Radeon R9 380X +218%

3.973 TFLOPS

Radeon 550X

VS

Radeon R9 380X

Graphics Card

Mar 2019

Release Date

Nov 2015

Polaris

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1750 MHz

Memory Clock

1425 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

182.4GB/s

Render Config

8

Compute Units

32

-

512

Shading Units

2048

32

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

31.04 GPixel/s

38.98 GTexel/s

Texture Rate

124.2 GTexel/s

1247 GFLOPS

FP16 (half)

3.973 TFLOPS

1247 GFLOPS

FP32 (float)

3.973 TFLOPS

77.95 GFLOPS

FP64 (double)

248.3 GFLOPS

Board Design

50W

TDP

190W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

Lexa

GPU Name

Antigua

Lexa PRO (215-0904018)

GPU Variant

Antigua XT (215-0877016)

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

5 billion

103 mm²

Die Size

366 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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