AMD Radeon R9 M390 Mac Edition vs AMD Radeon 540 Mobile

VS

AMD Radeon R9 M390 Mac Edition AMD Radeon 540 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 2GB VRAM Radeon 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390 Mac Edition 's Advantages

Larger VRAM bandwidth (174.7GB/s vs 48.00GB/s)

512 additional rendering cores

AMD Radeon 540 Mobile 's Advantages

Released 3 years and 10 months late

Boost Clock1124MHz

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +70%

1.962 TFLOPS

Radeon 540 Mobile

1.151 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon 540 Mobile

Graphics Card

May 2015

Release Date

Mar 2019

Crystal System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1124 MHz

1365 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

16

Compute Units

8

1024

Shading Units

512

64

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

30.66 GPixel/s

Pixel Rate

17.98 GPixel/s

61.31 GTexel/s

Texture Rate

35.97 GTexel/s

-

FP16 (half)

1151 GFLOPS

1.962 TFLOPS

FP32 (float)

1151 GFLOPS

122.6 GFLOPS

FP64 (double)

71.94 GFLOPS

Graphics Processor

Pitcairn

GPU Name

Lexa

Pitcairn PRO (215-0828062)

GPU Variant

Lexa PRO (215-0904018)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

2.2 billion

212 mm²

Die Size

103 mm²

Board Design

80W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.4

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