AMD Radeon R9 M390 Mac Edition vs AMD Radeon R9 M375X

VS

AMD Radeon R9 M390 Mac Edition AMD Radeon R9 M375X

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 2GB VRAM Radeon R9 M375X 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 72.00GB/s)

384 additional rendering cores

AMD Radeon R9 M375X 's Advantages

Boost Clock1015MHz

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +51%

1.962 TFLOPS

Radeon R9 M375X

1.299 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon R9 M375X

Graphics Card

May 2015

Release Date

May 2015

Crystal System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

1015 MHz

1365 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

16

Compute Units

10

1024

Shading Units

640

64

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

30.66 GPixel/s

Pixel Rate

16.24 GPixel/s

61.31 GTexel/s

Texture Rate

40.60 GTexel/s

-

FP16 (half)

-

1.962 TFLOPS

FP32 (float)

1299 GFLOPS

122.6 GFLOPS

FP64 (double)

81.20 GFLOPS

Graphics Processor

Pitcairn

GPU Name

Tropo

Pitcairn PRO (215-0828062)

GPU Variant

Tropo XTX

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.5 billion

212 mm²

Die Size

123 mm²

Board Design

80W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

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

-

CUDA

-

5.1

Shader Model

6.5 (5.1)

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