AMD Radeon R9 M390 Mac Edition vs ATI Radeon E4690 MXM

VS

AMD Radeon R9 M390 Mac Edition

ATI Radeon E4690 MXM

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 512MB VRAM Radeon E4690 MXM 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 5 years and 11 months late

More VRAM (2GB vs 512GB)

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

704 additional rendering cores

ATI Radeon E4690 MXM 's Advantages

Lower TDP (30W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +410%

1.962 TFLOPS

Radeon E4690 MXM

0.384 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon E4690 MXM

Graphics Card

May 2015

Release Date

Jun 2009

Crystal System

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

-

1365 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

22.40GB/s

Render Config

16

Compute Units

4

-

1024

Shading Units

320

64

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

4.800 GPixel/s

61.31 GTexel/s

Texture Rate

19.20 GTexel/s

-

1.962 TFLOPS

FP32 (float)

384.0 GFLOPS

122.6 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

30W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

RV730

Pitcairn PRO (215-0828062)

GPU Variant

RV730 XT E4690 (215-0729055)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.514 billion

212 mm²

Die Size

146 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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