AMD Radeon HD 6450M vs AMD Radeon RX 540X Mobile

VS

AMD Radeon HD 6450M

AMD Radeon RX 540X Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6450M 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 RX 540X Mobile 's Advantages

Released 7 years and 3 months late

Boost Clock1211MHz

More VRAM (2GB vs 1024GB)

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

352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450M

0.192 TFLOPS

Radeon RX 540X Mobile +545%

1.24 TFLOPS

Radeon HD 6450M

VS

Radeon RX 540X Mobile

Graphics Card

Jan 2011

Release Date

Apr 2018

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1124 MHz

-

Boost Clock

1211 MHz

800 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

DDR3

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

2.400 GPixel/s

Pixel Rate

19.38 GPixel/s

4.800 GTexel/s

Texture Rate

38.75 GTexel/s

-

FP16 (half)

1240 GFLOPS

192.0 GFLOPS

FP32 (float)

1240 GFLOPS

-

FP64 (double)

77.50 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

Polaris 23

Seymour PRO S3 (216-0809024)

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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