AMD Radeon R9 M385X vs ATI Mobility Radeon HD 3470

VS

AMD Radeon R9 M385X

ATI Mobility Radeon HD 3470

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 256MB VRAM Mobility Radeon HD 3470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Released 7 years and 4 months late

Boost Clock1100MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (76.80GB/s vs 6.400GB/s)

856 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X +3550%

1.971 TFLOPS

Mobility Radeon HD 3470

0.054 TFLOPS

Radeon R9 M385X

VS

Mobility Radeon HD 3470

Graphics Card

May 2015

Release Date

Jan 2008

Gem System

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

1000 MHz

Base Clock

-

1100 MHz

Boost Clock

-

1200 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

6.400GB/s

Render Config

14

Compute Units

2

-

896

Shading Units

40

56

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

2.720 GPixel/s

61.60 GTexel/s

Texture Rate

2.720 GTexel/s

-

1.971 TFLOPS

FP32 (float)

54.40 GFLOPS

123.2 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Strato

GPU Name

M82

Strato XT

GPU Variant

M82-ME XT (216-0707009)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.181 billion

160 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

10.1

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2.170

Vulkan

N/A

-

6.5

Shader Model

4.1

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