AMD Radeon RX 550X Mobile vs AMD Radeon R9 M385X

VS

AMD Radeon RX 550X Mobile AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550X Mobile and 4GB VRAM Radeon R9 M385X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X Mobile 's Advantages

Released 2 years and 11 months late

Boost Clock has increased by 7% (1176MHz vs 1100MHz)

AMD Radeon R9 M385X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 48.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X Mobile

1.505 TFLOPS

Radeon R9 M385X +30%

1.971 TFLOPS

Radeon RX 550X Mobile

VS

Radeon R9 M385X

Graphics Card

Apr 2018

Release Date

May 2015

Mobility Radeon

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

1000 MHz

1176 MHz

Boost Clock

1100 MHz

1500 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

10

Compute Units

14

640

Shading Units

896

40

TMUs

56

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

18.82 GPixel/s

Pixel Rate

17.60 GPixel/s

47.04 GTexel/s

Texture Rate

61.60 GTexel/s

1.505 TFLOPS

FP16 (half)

-

1.505 TFLOPS

FP32 (float)

1.971 TFLOPS

94.08 GFLOPS

FP64 (double)

123.2 GFLOPS

Graphics Processor

Polaris 23

GPU Name

Strato

Polaris 23 MXT

GPU Variant

Strato XT

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.08 billion

103 mm²

Die Size

160 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5

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