AMD Radeon R9 M395X vs AMD Radeon R9 M295X

VS

AMD Radeon R9 M395X

AMD Radeon R9 M295X

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M395X and 4GB VRAM Radeon R9 M295X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X 's Advantages

Released 6 months late

More VRAM (8GB vs 4GB)

Lower TDP (75W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395X

2.961 TFLOPS

Radeon R9 M295X

2.961 TFLOPS

Radeon R9 M395X

VS

Radeon R9 M295X

Graphics Card

May 2015

Release Date

Nov 2014

Crystal System

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1250 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

160.0GB/s

Render Config

32

Compute Units

32

-

2048

Shading Units

2048

128

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

23.14 GPixel/s

92.54 GTexel/s

Texture Rate

92.54 GTexel/s

2.961 TFLOPS

FP16 (half)

2.961 TFLOPS

FP32 (float)

2.961 TFLOPS

185.1 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

75W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

Amethyst

Amethyst XT

GPU Variant

Amethyst XT

GCN 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

5 billion

366 mm²

Die Size

366 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.0

1.2

Vulkan

1.2

-

6.3

Shader Model

6.3

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