AMD Radeon R7 M350 vs AMD Radeon R9 M390 Mac Edition

VS

AMD Radeon R7 M350

AMD Radeon R9 M390 Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M350 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 R7 M350 's Advantages

Boost Clock1015MHz

More VRAM (4GB vs 2GB)

AMD Radeon R9 M390 Mac Edition 's Advantages

Larger VRAM bandwidth (174.7GB/s vs 16.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M350

0.779 TFLOPS

Radeon R9 M390 Mac Edition +151%

1.962 TFLOPS

Radeon R7 M350

VS

Radeon R9 M390 Mac Edition

Graphics Card

May 2015

Release Date

May 2015

Gem System(R7 M300)

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1015 MHz

Boost Clock

-

1000 MHz

Memory Clock

1365 MHz

Memory

4GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

174.7GB/s

Render Config

6

Compute Units

16

-

384

Shading Units

1024

24

TMUs

64

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

8.120 GPixel/s

Pixel Rate

30.66 GPixel/s

24.36 GTexel/s

Texture Rate

61.31 GTexel/s

779.5 GFLOPS

FP16 (half)

-

779.5 GFLOPS

FP32 (float)

1.962 TFLOPS

48.72 GFLOPS

FP64 (double)

122.6 GFLOPS

Board Design

Unknown

TDP

80W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Meso

GPU Name

Pitcairn

Meso XT (216-0864018)

GPU Variant

Pitcairn PRO (215-0828062)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

2.8 billion

125 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5

Shader Model

5.1

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