AMD Radeon 550X vs AMD Radeon RX 480

VS

AMD Radeon 550X

AMD Radeon RX 480

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 8GB VRAM Radeon RX 480 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages

Released 2 years and 9 months late

Lower TDP (50W vs 150W)

AMD Radeon RX 480 's Advantages

Boost Clock has increased by 4% (1266MHz vs 1218MHz)

More VRAM (8GB vs 2GB)

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

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X

1.247 TFLOPS

Radeon RX 480 +367%

5.834 TFLOPS

Radeon 550X

VS

Radeon RX 480

Graphics Card

Mar 2019

Release Date

Jun 2016

Polaris

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1082 MHz

Base Clock

1120 MHz

1218 MHz

Boost Clock

1266 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

19.49 GPixel/s

Pixel Rate

40.51 GPixel/s

38.98 GTexel/s

Texture Rate

182.3 GTexel/s

1247 GFLOPS

FP16 (half)

5.834 TFLOPS

1247 GFLOPS

FP32 (float)

5.834 TFLOPS

77.95 GFLOPS

FP64 (double)

364.6 GFLOPS

Board Design

50W

TDP

150W

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 6-pin

Graphics Processor

Lexa

GPU Name

Ellesmere

Lexa PRO (215-0904018)

GPU Variant

Polaris 10 XT (215-0876184)

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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