AMD Radeon HD 7450A vs AMD Radeon R9 M280X

VS

AMD Radeon HD 7450A

AMD Radeon R9 M280X

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M280X 's Advantages

Released 3 years and 1 months late

Boost Clock1000MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (88.00GB/s vs 12.80GB/s)

736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Radeon R9 M280X +796%

1.792 TFLOPS

Radeon HD 7450A

VS

Radeon R9 M280X

Graphics Card

Jan 2012

Release Date

Feb 2015

All-In-One

Generation

Gem System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1000 MHz

800 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

88.00GB/s

Render Config

2

Compute Units

14

-

160

Shading Units

896

8

TMUs

56

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

16.00 GPixel/s

5.000 GTexel/s

Texture Rate

56.00 GTexel/s

-

200.0 GFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

112.0 GFLOPS

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Caicos

GPU Name

Saturn

-

GPU Variant

Saturn XT (216-0843024)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

2.08 billion

67 mm²

Die Size

160 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5

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