AMD Radeon R9 M390X vs ATI Mobility Radeon HD 3450

VS

AMD Radeon R9 M390X

ATI Mobility Radeon HD 3450

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 256MB VRAM Mobility Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390X 's Advantages

Released 7 years and 4 months late

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 6.400GB/s)

2008 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M390X +7302%

2.961 TFLOPS

Mobility Radeon HD 3450

0.04 TFLOPS

Radeon R9 M390X

VS

Mobility Radeon HD 3450

Graphics Card

May 2015

Release Date

Jan 2008

Crystal System

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

-

1250 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

6.400GB/s

Render Config

32

Compute Units

2

-

2048

Shading Units

40

128

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

2.000 GPixel/s

92.54 GTexel/s

Texture Rate

2.000 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

40.00 GFLOPS

185.1 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

M82

Amethyst XT

GPU Variant

M82-SCE XT (216-0707011)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.181 billion

366 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

10.1

4.6

OpenGL

3.3

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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