AMD Radeon R9 M290X Mac Edition vs AMD Radeon R9 M390 Mac Edition

VS

AMD Radeon R9 M290X Mac Edition AMD Radeon R9 M390 Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition 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 R9 M290X Mac Edition 's Advantages

Boost Clock975MHz

AMD Radeon R9 M390 Mac Edition 's Advantages

Released 6 months late

Score

Benchmark

FP32 (float)

Radeon R9 M290X Mac Edition +1%

1.997 TFLOPS

Radeon R9 M390 Mac Edition

1.962 TFLOPS

Radeon R9 M290X Mac Edition

VS

Radeon R9 M390 Mac Edition

Graphics Card

Nov 2014

Release Date

May 2015

Crystal System

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

850 MHz

Base Clock

-

975 MHz

Boost Clock

-

1365 MHz

Memory Clock

1365 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

174.7GB/s

Bandwidth

174.7GB/s

Render Config

-

SM Count

-

16

Compute Units

16

1024

Shading Units

1024

64

TMUs

64

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

30.66 GPixel/s

62.40 GTexel/s

Texture Rate

61.31 GTexel/s

-

FP16 (half)

-

1.997 TFLOPS

FP32 (float)

1.962 TFLOPS

124.8 GFLOPS

FP64 (double)

122.6 GFLOPS

Graphics Processor

Pitcairn

GPU Name

Pitcairn

Pitcairn PRO (215-0828062)

GPU Variant

Pitcairn PRO (215-0828062)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

2.8 billion

212 mm²

Die Size

212 mm²

Board Design

80W

TDP

80W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

5.1

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