AMD Radeon HD 7450A vs AMD Radeon RX 540X Mobile

VS

AMD Radeon HD 7450A

AMD Radeon RX 540X Mobile

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 2GB VRAM Radeon RX 540X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450A 's Advantages

Lower TDP (25W vs 50W)

AMD Radeon RX 540X Mobile 's Advantages

Released 6 years and 3 months late

Boost Clock1211MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 12.80GB/s)

352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Radeon RX 540X Mobile +520%

1.24 TFLOPS

Radeon HD 7450A

VS

Radeon RX 540X Mobile

Graphics Card

Jan 2012

Release Date

Apr 2018

All-In-One

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1124 MHz

-

Boost Clock

1211 MHz

800 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

96.00GB/s

Render Config

2

Compute Units

8

-

160

Shading Units

512

8

TMUs

32

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

19.38 GPixel/s

5.000 GTexel/s

Texture Rate

38.75 GTexel/s

-

FP16 (half)

1240 GFLOPS

200.0 GFLOPS

FP32 (float)

1240 GFLOPS

-

FP64 (double)

77.50 GFLOPS

Board Design

25W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Polaris 23

-

GPU Variant

Polaris 23 MXL

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

2.2 billion

67 mm²

Die Size

103 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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