AMD Radeon R9 M390 Mac Edition vs AMD Radeon R5 M335

VS

AMD Radeon R9 M390 Mac Edition

AMD Radeon R5 M335

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 2GB VRAM Radeon R5 M335 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

Larger VRAM bandwidth (174.7GB/s vs 14.40GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +197%

1.962 TFLOPS

Radeon R5 M335

0.659 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon R5 M335

Graphics Card

May 2015

Release Date

Oct 2015

Crystal System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1365 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

14.40GB/s

Render Config

16

Compute Units

5

-

1024

Shading Units

320

64

TMUs

20

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

8.240 GPixel/s

61.31 GTexel/s

Texture Rate

20.60 GTexel/s

-

1.962 TFLOPS

FP32 (float)

659.2 GFLOPS

122.6 GFLOPS

FP64 (double)

41.20 GFLOPS

Board Design

80W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Exo

Pitcairn PRO (215-0828062)

GPU Variant

Exo S3 PRO (216-0867030)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

0.69 billion

212 mm²

Die Size

56 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5 (5.1)

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