ATI Mobility Radeon HD 3450 vs AMD Radeon R9 M390 Mac Edition

VS

ATI Mobility Radeon HD 3450

AMD Radeon R9 M390 Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3450 and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390 Mac Edition 's Advantages

Released 7 years and 4 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (174.7GB/s vs 6.400GB/s)

984 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3450

0.04 TFLOPS

Radeon R9 M390 Mac Edition +4805%

1.962 TFLOPS

Mobility Radeon HD 3450

VS

Radeon R9 M390 Mac Edition

Graphics Card

Jan 2008

Release Date

May 2015

M8x

Generation

Crystal System

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1365 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

174.7GB/s

Render Config

2

Compute Units

16

-

40

Shading Units

1024

4

TMUs

64

4

ROPs

32

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

30.66 GPixel/s

2.000 GTexel/s

Texture Rate

61.31 GTexel/s

-

40.00 GFLOPS

FP32 (float)

1.962 TFLOPS

-

FP64 (double)

122.6 GFLOPS

Board Design

Unknown

TDP

80W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M82

GPU Name

Pitcairn

M82-SCE XT (216-0707011)

GPU Variant

Pitcairn PRO (215-0828062)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

2.8 billion

67 mm²

Die Size

212 mm²

Graphics Features

10.1

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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