AMD Radeon HD 7450A vs AMD Radeon R5 M420

VS

AMD Radeon HD 7450A

AMD Radeon R5 M420

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 4GB VRAM Radeon R5 M420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M420 's Advantages

Released 4 years and 4 months late

Boost Clock850MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (16.00GB/s vs 12.80GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Radeon R5 M420 +172%

0.544 TFLOPS

Radeon HD 7450A

VS

Radeon R5 M420

Graphics Card

Jan 2012

Release Date

May 2016

All-In-One

Generation

Gem System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

850 MHz

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

12.80GB/s

Bandwidth

16.00GB/s

Render Config

2

Compute Units

5

-

160

Shading Units

320

8

TMUs

20

4

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

6.800 GPixel/s

5.000 GTexel/s

Texture Rate

17.00 GTexel/s

-

200.0 GFLOPS

FP32 (float)

544.0 GFLOPS

-

FP64 (double)

34.00 GFLOPS

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Caicos

GPU Name

Jet

-

GPU Variant

Jet PRO (216-0856040)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

0.69 billion

67 mm²

Die Size

56 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5 (5.1)

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