AMD Radeon RX 480 Mobile vs AMD Radeon RX 550X Mobile

VS

AMD Radeon RX 480 Mobile AMD Radeon RX 550X Mobile

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

Main Differences

AMD Radeon RX 480 Mobile 's Advantages

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 48.00GB/s)

1664 additional rendering cores

AMD Radeon RX 550X Mobile 's Advantages

Released 1 years and 8 months late

Boost Clock has increased by 9% (1176MHz vs 1077MHz)

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 480 Mobile +229%

4.963 TFLOPS

Radeon RX 550X Mobile

1.505 TFLOPS

Radeon RX 480 Mobile

VS

Radeon RX 550X Mobile

Graphics Card

Aug 2016

Release Date

Apr 2018

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

1100 MHz

1077 MHz

Boost Clock

1176 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

36

Compute Units

10

2304

Shading Units

640

144

TMUs

40

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

34.46 GPixel/s

Pixel Rate

18.82 GPixel/s

155.1 GTexel/s

Texture Rate

47.04 GTexel/s

4.963 TFLOPS

FP16 (half)

1.505 TFLOPS

4.963 TFLOPS

FP32 (float)

1.505 TFLOPS

310.2 GFLOPS

FP64 (double)

94.08 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Polaris 23

Ellesmere XT

GPU Variant

Polaris 23 MXT

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

100W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

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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