AMD Radeon R9 M290X Mac Edition vs AMD Radeon 550X Mobile

VS

AMD Radeon R9 M290X Mac Edition

AMD Radeon 550X Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition and 4GB VRAM Radeon 550X Mobile 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

Larger VRAM bandwidth (174.7GB/s vs 48.00GB/s)

384 additional rendering cores

AMD Radeon 550X Mobile 's Advantages

Released 3 years and 5 months late

Boost Clock has increased by 32% (1287MHz vs 975MHz)

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M290X Mac Edition +21%

1.997 TFLOPS

Radeon 550X Mobile

1.647 TFLOPS

Radeon R9 M290X Mac Edition

VS

Radeon 550X Mobile

Graphics Card

Nov 2014

Release Date

Apr 2018

Crystal System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

850 MHz

Base Clock

1100 MHz

975 MHz

Boost Clock

1287 MHz

1365 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

48.00GB/s

Render Config

16

Compute Units

10

-

1024

Shading Units

640

64

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

20.59 GPixel/s

62.40 GTexel/s

Texture Rate

51.48 GTexel/s

-

FP16 (half)

1.647 TFLOPS

1.997 TFLOPS

FP32 (float)

1.647 TFLOPS

124.8 GFLOPS

FP64 (double)

103.0 GFLOPS

Board Design

80W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Polaris 23

Pitcairn PRO (215-0828062)

GPU Variant

Polaris 23 MXT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

2.2 billion

212 mm²

Die Size

103 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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