AMD Radeon HD 7450A vs AMD Radeon RX 480 Mobile

VS

AMD Radeon HD 7450A

AMD Radeon RX 480 Mobile

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 8GB VRAM Radeon RX 480 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 100W)

AMD Radeon RX 480 Mobile 's Advantages

Released 4 years and 7 months late

Boost Clock1077MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 12.80GB/s)

2144 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Radeon RX 480 Mobile +2381%

4.963 TFLOPS

Radeon HD 7450A

VS

Radeon RX 480 Mobile

Graphics Card

Jan 2012

Release Date

Aug 2016

All-In-One

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1077 MHz

800 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

8GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

12.80GB/s

Bandwidth

256.0GB/s

Render Config

2

Compute Units

36

-

160

Shading Units

2304

8

TMUs

144

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

34.46 GPixel/s

5.000 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

200.0 GFLOPS

FP32 (float)

4.963 TFLOPS

-

FP64 (double)

310.2 GFLOPS

Board Design

25W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Ellesmere

-

GPU Variant

Ellesmere XT

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

5.7 billion

67 mm²

Die Size

232 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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