AMD Radeon R9 M280X vs AMD Radeon R5 A320

VS

AMD Radeon R9 M280X

AMD Radeon R5 A320

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M280X and 1024MB VRAM Radeon R5 A320 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M280X 's Advantages

Boost Clock has increased by 21% (1000MHz vs 825MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (88.00GB/s vs 16.00GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M280X +239%

1.792 TFLOPS

Radeon R5 A320

0.528 TFLOPS

Radeon R9 M280X

VS

Radeon R5 A320

Graphics Card

Feb 2015

Release Date

Jan 2015

Gem System

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

750 MHz

1000 MHz

Boost Clock

825 MHz

1375 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

88.00GB/s

Bandwidth

16.00GB/s

Render Config

14

Compute Units

5

-

896

Shading Units

320

56

TMUs

20

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

6.600 GPixel/s

56.00 GTexel/s

Texture Rate

16.50 GTexel/s

-

1.792 TFLOPS

FP32 (float)

528.0 GFLOPS

112.0 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Saturn

GPU Name

Jet

Saturn XT (216-0843024)

GPU Variant

Jet PRO (216-0856040)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

0.69 billion

160 mm²

Die Size

56 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2.170

Vulkan

1.2.170

-

6.5

Shader Model

6.5 (5.1)

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