AMD Radeon R9 M390X vs ATI Mobility Radeon HD 5450

VS

AMD Radeon R9 M390X

ATI Mobility Radeon HD 5450

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 1024MB VRAM Mobility Radeon HD 5450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390X 's Advantages

Released 5 years and 4 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 12.80GB/s)

1968 additional rendering cores

ATI Mobility Radeon HD 5450 's Advantages

Lower TDP (11W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M390X +2641%

2.961 TFLOPS

Mobility Radeon HD 5450

0.108 TFLOPS

Radeon R9 M390X

VS

Mobility Radeon HD 5450

Graphics Card

May 2015

Release Date

Jan 2010

Crystal System

Generation

Manhattan

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

12.80GB/s

Render Config

32

Compute Units

1

-

2048

Shading Units

80

128

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

2.700 GPixel/s

92.54 GTexel/s

Texture Rate

5.400 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

108.0 GFLOPS

185.1 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

11W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

Park

Amethyst XT

GPU Variant

Park PRO (216-0774007)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.292 billion

366 mm²

Die Size

59 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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