AMD Radeon RX 560X Mobile vs AMD Radeon HD 8870M

VS

AMD Radeon RX 560X Mobile

AMD Radeon HD 8870M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 560X Mobile and 2GB VRAM Radeon HD 8870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560X Mobile 's Advantages

Released 5 years and 9 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (112.0GB/s vs 72.00GB/s)

256 additional rendering cores

AMD Radeon HD 8870M 's Advantages

Boost Clock775MHz

Score

Benchmark

FP32 (float)

Radeon RX 560X Mobile +120%

2.192 TFLOPS

Radeon HD 8870M

0.992 TFLOPS

Radeon RX 560X Mobile

VS

Radeon HD 8870M

Graphics Card

Jan 2019

Release Date

Apr 2013

Mobility Radeon

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

725 MHz

-

Boost Clock

775 MHz

1750 MHz

Memory Clock

1125 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

112.0GB/s

Bandwidth

72.00GB/s

Render Config

14

Compute Units

10

-

896

Shading Units

640

56

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

19.57 GPixel/s

Pixel Rate

12.40 GPixel/s

68.49 GTexel/s

Texture Rate

31.00 GTexel/s

2.192 TFLOPS

FP16 (half)

-

2.192 TFLOPS

FP32 (float)

992.0 GFLOPS

137.0 GFLOPS

FP64 (double)

62.00 GFLOPS

Board Design

65W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Polaris 31

GPU Name

Venus

Polaris 31 MXL

GPU Variant

Venus XT (216-0846000)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

1.5 billion

123 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.4

Shader Model

6.5 (5.1)

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