AMD Radeon R5 A320 vs AMD Radeon R9 M290X Mac Edition

VS

AMD Radeon R5 A320

AMD Radeon R9 M290X Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A320 and 2GB VRAM Radeon R9 M290X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M290X Mac Edition 's Advantages

Boost Clock has increased by 18% (975MHz vs 825MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 16.00GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A320

0.528 TFLOPS

Radeon R9 M290X Mac Edition +278%

1.997 TFLOPS

Radeon R5 A320

VS

Radeon R9 M290X Mac Edition

Graphics Card

Jan 2015

Release Date

Nov 2014

All-In-One

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

750 MHz

Base Clock

850 MHz

825 MHz

Boost Clock

975 MHz

1000 MHz

Memory Clock

1365 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

174.7GB/s

Render Config

5

Compute Units

16

-

320

Shading Units

1024

20

TMUs

64

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

31.20 GPixel/s

16.50 GTexel/s

Texture Rate

62.40 GTexel/s

-

528.0 GFLOPS

FP32 (float)

1.997 TFLOPS

-

FP64 (double)

124.8 GFLOPS

Board Design

Unknown

TDP

80W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

Pitcairn

Jet PRO (216-0856040)

GPU Variant

Pitcairn PRO (215-0828062)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

2.8 billion

56 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

5.1

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