AMD Radeon R9 M390 Mac Edition vs ATI Mobility Radeon HD 2700

VS

AMD Radeon R9 M390 Mac Edition

ATI Mobility Radeon HD 2700

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 256MB VRAM Mobility Radeon HD 2700 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 5 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (174.7GB/s vs 22.40GB/s)

904 additional rendering cores

ATI Mobility Radeon HD 2700 's Advantages

Lower TDP (35W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +1067%

1.962 TFLOPS

Mobility Radeon HD 2700

0.168 TFLOPS

Radeon R9 M390 Mac Edition

VS

Mobility Radeon HD 2700

Graphics Card

May 2015

Release Date

Dec 2007

Crystal System

Generation

M7x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

-

1365 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

22.40GB/s

Render Config

16

Compute Units

3

-

1024

Shading Units

120

64

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

2.800 GPixel/s

61.31 GTexel/s

Texture Rate

5.600 GTexel/s

-

1.962 TFLOPS

FP32 (float)

168.0 GFLOPS

122.6 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

M76

Pitcairn PRO (215-0828062)

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

2.8 billion

Transistors

0.39 billion

212 mm²

Die Size

153 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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