AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce MX250

VS

AMD Radeon R9 M390 Mac Edition

NVIDIA GeForce MX250

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 2GB VRAM GeForce MX250 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 48.06GB/s)

640 additional rendering cores

NVIDIA GeForce MX250 's Advantages

Boost Clock1038MHz

Lower TDP (10W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +146%

1.962 TFLOPS

GeForce MX250

0.797 TFLOPS

Radeon R9 M390 Mac Edition

VS

GeForce MX250

Graphics Card

May 2015

Release Date

Unknown

Crystal System

Generation

GeForce MX

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x4

Clock Speeds

-

Base Clock

937 MHz

-

Boost Clock

1038 MHz

1365 MHz

Memory Clock

1502 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

48.06GB/s

Render Config

16

Compute Units

-

SM Count

3

1024

Shading Units

384

64

TMUs

24

32

ROPs

16

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

16.61 GPixel/s

61.31 GTexel/s

Texture Rate

24.91 GTexel/s

-

FP16 (half)

12.46 GFLOPS

1.962 TFLOPS

FP32 (float)

797.2 GFLOPS

122.6 GFLOPS

FP64 (double)

24.91 GFLOPS

Board Design

80W

TDP

10W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

GP108B

Pitcairn PRO (215-0828062)

GPU Variant

-

GCN 1.0

Architecture

Pascal

TSMC

Foundry

Samsung

28 nm

Process Size

14 nm

2.8 billion

Transistors

1.8 billion

212 mm²

Die Size

74 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

6.1

5.1

Shader Model

6.4

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