AMD Radeon HD 7450A vs ATI Mobility Radeon HD 3670

VS

AMD Radeon HD 7450A

ATI Mobility Radeon HD 3670

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 256MB VRAM Mobility Radeon HD 3670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450A 's Advantages

Released 4 years late

More VRAM (512GB vs 256GB)

40 additional rendering cores

Lower TDP (25W vs 30W)

ATI Mobility Radeon HD 3670 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 12.80GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7450A +22%

0.2 TFLOPS

Mobility Radeon HD 3670

0.163 TFLOPS

Radeon HD 7450A

VS

Mobility Radeon HD 3670

Graphics Card

Jan 2012

Release Date

Jan 2008

All-In-One

Generation

M8x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

25.60GB/s

Render Config

2

Compute Units

3

-

160

Shading Units

120

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

128 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

2.720 GPixel/s

5.000 GTexel/s

Texture Rate

5.440 GTexel/s

-

200.0 GFLOPS

FP32 (float)

163.2 GFLOPS

-

Board Design

25W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Caicos

GPU Name

M86

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.378 billion

67 mm²

Die Size

135 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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