AMD Radeon 540X Mobile vs AMD Radeon R9 M280X

VS

AMD Radeon 540X Mobile

AMD Radeon R9 M280X

We compared two Mobile platform GPUs: 2GB VRAM Radeon 540X Mobile and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 540X Mobile 's Advantages

Released 4 years late

Boost Clock has increased by 10% (1095MHz vs 1000MHz)

AMD Radeon R9 M280X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (88.00GB/s vs 32.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 540X Mobile

1.121 TFLOPS

Radeon R9 M280X +59%

1.792 TFLOPS

Radeon 540X Mobile

VS

Radeon R9 M280X

Graphics Card

Feb 2019

Release Date

Feb 2015

Mobility Radeon

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

900 MHz

1095 MHz

Boost Clock

1000 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

88.00GB/s

Render Config

8

Compute Units

14

-

512

Shading Units

896

32

TMUs

56

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

17.52 GPixel/s

Pixel Rate

16.00 GPixel/s

35.04 GTexel/s

Texture Rate

56.00 GTexel/s

1121 GFLOPS

FP16 (half)

-

1121 GFLOPS

FP32 (float)

1.792 TFLOPS

70.08 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

Saturn

Lexa PRO (215-0904018)

GPU Variant

Saturn XT (216-0843024)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.08 billion

103 mm²

Die Size

160 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2.170

-

6.4

Shader Model

6.5

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