AMD Radeon R9 M390 Mac Edition vs AMD Radeon E9260 PCIe

VS

AMD Radeon R9 M390 Mac Edition AMD Radeon E9260 PCIe

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 4GB VRAM Radeon E9260 PCIe 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 112.0GB/s)

128 additional rendering cores

AMD Radeon E9260 PCIe 's Advantages

Released 1 years and 4 months late

Boost Clock1200MHz

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition

1.962 TFLOPS

Radeon E9260 PCIe +9%

2.15 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon E9260 PCIe

Graphics Card

May 2015

Release Date

Sep 2016

Crystal System

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1090 MHz

-

Boost Clock

1200 MHz

1365 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

112.0GB/s

Render Config

-

SM Count

-

16

Compute Units

14

1024

Shading Units

896

64

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

30.66 GPixel/s

Pixel Rate

19.20 GPixel/s

61.31 GTexel/s

Texture Rate

57.60 GTexel/s

-

FP16 (half)

2.150 TFLOPS

1.962 TFLOPS

FP32 (float)

2.150 TFLOPS

122.6 GFLOPS

FP64 (double)

134.4 GFLOPS

Graphics Processor

Pitcairn

GPU Name

Baffin

Pitcairn PRO (215-0828062)

GPU Variant

Baffin E9260 (216-0885288)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

3 billion

212 mm²

Die Size

123 mm²

Board Design

80W

TDP

80W

-

Suggested PSU

-

No outputs

Outputs

4x mini-DisplayPort 1.4a

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

1.3

-

CUDA

-

5.1

Shader Model

6.7

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