AMD Radeon HD 7450A vs AMD Radeon R9 M290X Mac Edition

VS

AMD Radeon HD 7450A

AMD Radeon R9 M290X Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 2GB VRAM Radeon R9 M290X Mac Edition 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 80W)

AMD Radeon R9 M290X Mac Edition 's Advantages

Released 2 years and 10 months late

Boost Clock975MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (174.7GB/s vs 12.80GB/s)

864 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Radeon R9 M290X Mac Edition +898%

1.997 TFLOPS

Radeon HD 7450A

VS

Radeon R9 M290X Mac Edition

Graphics Card

Jan 2012

Release Date

Nov 2014

All-In-One

Generation

Crystal System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

975 MHz

800 MHz

Memory Clock

1365 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

12.80GB/s

Bandwidth

174.7GB/s

Render Config

2

Compute Units

16

-

160

Shading Units

1024

8

TMUs

64

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

31.20 GPixel/s

5.000 GTexel/s

Texture Rate

62.40 GTexel/s

-

200.0 GFLOPS

FP32 (float)

1.997 TFLOPS

-

FP64 (double)

124.8 GFLOPS

Board Design

25W

TDP

80W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Pitcairn

-

GPU Variant

Pitcairn PRO (215-0828062)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

2.8 billion

67 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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