AMD Radeon RX 580X Mobile vs AMD Radeon 520 Mobile

VS

AMD Radeon RX 580X Mobile

AMD Radeon 520 Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580X Mobile and 2GB VRAM Radeon 520 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X Mobile 's Advantages

Released 1 years late

Boost Clock1077MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 16.00GB/s)

1984 additional rendering cores

AMD Radeon 520 Mobile 's Advantages

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580X Mobile +653%

4.963 TFLOPS

Radeon 520 Mobile

0.659 TFLOPS

Radeon RX 580X Mobile

VS

Radeon 520 Mobile

Graphics Card

Apr 2018

Release Date

Apr 2017

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

-

1077 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

16.00GB/s

Render Config

36

Compute Units

5

-

2304

Shading Units

320

144

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

8.240 GPixel/s

155.1 GTexel/s

Texture Rate

20.60 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

659.2 GFLOPS

310.2 GFLOPS

FP64 (double)

41.20 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Banks

Polaris 20M XT

GPU Variant

Banks PRO (216-0568010)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

0.69 billion

232 mm²

Die Size

56 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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