ATI Mobility Radeon HD 3850 X2 vs AMD Radeon HD 7470M

VS

ATI Mobility Radeon HD 3850 X2

AMD Radeon HD 7470M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3850 X2 and 1024MB VRAM Radeon HD 7470M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3850 X2 's Advantages

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

160 additional rendering cores

AMD Radeon HD 7470M 's Advantages

Released 3 years and 7 months late

Boost Clock800MHz

More VRAM (1024GB vs 512GB)

Lower TDP (25W vs 70W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3850 X2 +44%

0.371 TFLOPS

Radeon HD 7470M

0.256 TFLOPS

Mobility Radeon HD 3850 X2

VS

Radeon HD 7470M

Graphics Card

Jun 2008

Release Date

Jan 2012

M8x

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

750 MHz

-

Boost Clock

800 MHz

750 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

64bit

48.00GB/s

Bandwidth

14.40GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

160

16

TMUs

8

16

ROPs

4

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

9.280 GPixel/s

Pixel Rate

3.200 GPixel/s

9.280 GTexel/s

Texture Rate

6.400 GTexel/s

-

371.2 GFLOPS

FP32 (float)

256.0 GFLOPS

74.24 GFLOPS

FP64 (double)

-

Board Design

70W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M88

GPU Name

Seymour

-

GPU Variant

Seymour XT (216-0810084)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

0.37 billion

192 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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