AMD Radeon R9 M280X vs AMD Radeon R9 M295X

VS

AMD Radeon R9 M280X

AMD Radeon R9 M295X

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M280X 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 M280X 's Advantages

Boost Clock1000MHz

AMD Radeon R9 M295X 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 88.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M280X

1.792 TFLOPS

Radeon R9 M295X +65%

2.961 TFLOPS

Radeon R9 M280X

VS

Radeon R9 M295X

Graphics Card

Feb 2015

Release Date

Nov 2014

Gem System

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

900 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1375 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

88.00GB/s

Bandwidth

160.0GB/s

Render Config

14

Compute Units

32

-

896

Shading Units

2048

56

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

23.14 GPixel/s

56.00 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

1.792 TFLOPS

FP32 (float)

2.961 TFLOPS

112.0 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

Unknown

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Saturn

GPU Name

Amethyst

Saturn XT (216-0843024)

GPU Variant

Amethyst XT

GCN 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

5 billion

160 mm²

Die Size

366 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.3

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