AMD Radeon RX 540X Mobile vs AMD Radeon HD 8870M

VS

AMD Radeon RX 540X Mobile

AMD Radeon HD 8870M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540X 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 540X Mobile 's Advantages

Released 5 years late

Boost Clock has increased by 56% (1211MHz vs 775MHz)

Larger VRAM bandwidth (96.00GB/s vs 72.00GB/s)

AMD Radeon HD 8870M 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 540X Mobile +25%

1.24 TFLOPS

Radeon HD 8870M

0.992 TFLOPS

Radeon RX 540X Mobile

VS

Radeon HD 8870M

Graphics Card

Apr 2018

Release Date

Apr 2013

Mobility Radeon

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1124 MHz

Base Clock

725 MHz

1211 MHz

Boost Clock

775 MHz

1500 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

72.00GB/s

Render Config

8

Compute Units

10

-

512

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

19.38 GPixel/s

Pixel Rate

12.40 GPixel/s

38.75 GTexel/s

Texture Rate

31.00 GTexel/s

1240 GFLOPS

FP16 (half)

-

1240 GFLOPS

FP32 (float)

992.0 GFLOPS

77.50 GFLOPS

FP64 (double)

62.00 GFLOPS

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

Venus

Polaris 23 MXL

GPU Variant

Venus XT (216-0846000)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.5 billion

103 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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