AMD Radeon HD 7450A vs ATI Mobility Radeon HD 3850

VS

AMD Radeon HD 7450A

ATI Mobility Radeon HD 3850

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 512MB VRAM Mobility Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450A 's Advantages

Released 3 years and 7 months late

Lower TDP (25W vs 35W)

ATI Mobility Radeon HD 3850 's Advantages

Larger VRAM bandwidth (48.00GB/s vs 12.80GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Mobility Radeon HD 3850 +85%

0.371 TFLOPS

Radeon HD 7450A

VS

Mobility Radeon HD 3850

Graphics Card

Jan 2012

Release Date

Jun 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

750 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

12.80GB/s

Bandwidth

48.00GB/s

Render Config

2

Compute Units

4

-

160

Shading Units

320

8

TMUs

16

4

ROPs

16

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

9.280 GPixel/s

5.000 GTexel/s

Texture Rate

9.280 GTexel/s

-

200.0 GFLOPS

FP32 (float)

371.2 GFLOPS

-

FP64 (double)

74.24 GFLOPS

Board Design

25W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Caicos

GPU Name

M88

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.666 billion

67 mm²

Die Size

192 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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