AMD Radeon R9 M295X Mac Edition vs AMD Radeon E9390 PCIe

VS

AMD Radeon R9 M295X Mac Edition

AMD Radeon E9390 PCIe

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X Mac Edition and 8GB VRAM Radeon E9390 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M295X Mac Edition 's Advantages

Larger VRAM bandwidth (174.3GB/s vs 160.0GB/s)

256 additional rendering cores

AMD Radeon E9390 PCIe 's Advantages

Released 4 years and 11 months late

Boost Clock1089MHz

More VRAM (8GB vs 4GB)

Lower TDP (75W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M295X Mac Edition

3.482 TFLOPS

Radeon E9390 PCIe +12%

3.903 TFLOPS

Radeon R9 M295X Mac Edition

VS

Radeon E9390 PCIe

Graphics Card

Nov 2014

Release Date

Oct 2019

Crystal System

Generation

Embedded

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

713 MHz

-

Boost Clock

1089 MHz

1362 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

174.3GB/s

Bandwidth

160.0GB/s

Render Config

32

Compute Units

28

-

2048

Shading Units

1792

128

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

34.85 GPixel/s

108.8 GTexel/s

Texture Rate

122.0 GTexel/s

3.482 TFLOPS

FP16 (half)

3.903 TFLOPS

3.482 TFLOPS

FP32 (float)

3.903 TFLOPS

217.6 GFLOPS

FP64 (double)

243.9 GFLOPS

Board Design

250W

TDP

75W

-

No outputs

Outputs

4x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

Ellesmere

Amethyst XT

GPU Variant

-

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5 billion

Transistors

5.7 billion

366 mm²

Die Size

232 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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