AMD Radeon R9 M385 vs AMD Radeon RX 540X Mobile

VS

AMD Radeon R9 M385

AMD Radeon RX 540X Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 and 2GB VRAM Radeon RX 540X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385 's Advantages

More VRAM (4GB vs 2GB)

384 additional rendering cores

AMD Radeon RX 540X Mobile 's Advantages

Released 2 years and 11 months late

Boost Clock has increased by 21% (1211MHz vs 1000MHz)

Larger VRAM bandwidth (96.00GB/s vs 76.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R9 M385 +44%

1.792 TFLOPS

Radeon RX 540X Mobile

1.24 TFLOPS

Radeon R9 M385

VS

Radeon RX 540X Mobile

Graphics Card

May 2015

Release Date

Apr 2018

Gem System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

1124 MHz

1000 MHz

Boost Clock

1211 MHz

1200 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

96.00GB/s

Render Config

14

Compute Units

8

-

896

Shading Units

512

56

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

19.38 GPixel/s

56.00 GTexel/s

Texture Rate

38.75 GTexel/s

-

FP16 (half)

1240 GFLOPS

1.792 TFLOPS

FP32 (float)

1240 GFLOPS

112.0 GFLOPS

FP64 (double)

77.50 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Strato

GPU Name

Polaris 23

Strato XT

GPU Variant

Polaris 23 MXL

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

2.2 billion

160 mm²

Die Size

103 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.4

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