AMD Radeon HD 7470M vs ATI Mobility Radeon HD 3850

VS

AMD Radeon HD 7470M

ATI Mobility Radeon HD 3850

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7470M 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 7470M 's Advantages

Released 3 years and 7 months late

Boost Clock800MHz

More VRAM (1024GB vs 512GB)

Lower TDP (25W vs 35W)

ATI Mobility Radeon HD 3850 's Advantages

Larger VRAM bandwidth (48.00GB/s vs 14.40GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7470M

0.256 TFLOPS

Mobility Radeon HD 3850 +44%

0.371 TFLOPS

Radeon HD 7470M

VS

Mobility Radeon HD 3850

Graphics Card

Jan 2012

Release Date

Jun 2008

London

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

750 MHz

Base Clock

-

800 MHz

Boost Clock

-

900 MHz

Memory Clock

750 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

14.40GB/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

3.200 GPixel/s

Pixel Rate

9.280 GPixel/s

6.400 GTexel/s

Texture Rate

9.280 GTexel/s

-

256.0 GFLOPS

FP32 (float)

371.2 GFLOPS

-

FP64 (double)

74.24 GFLOPS

Board Design

25W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

M88

Seymour XT (216-0810084)

GPU Variant

-

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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