AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce GTX 950A

VS

AMD Radeon R9 M390 Mac Edition NVIDIA GeForce GTX 950A

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 2GB VRAM GeForce GTX 950A 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 32.03GB/s)

384 additional rendering cores

NVIDIA GeForce GTX 950A 's Advantages

Boost Clock1124MHz

Lower TDP (75W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +36%

1.962 TFLOPS

GeForce GTX 950A

1.439 TFLOPS

Radeon R9 M390 Mac Edition

VS

GeForce GTX 950A

Graphics Card

May 2015

Release Date

Mar 2015

Crystal System

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

993 MHz

-

Boost Clock

1124 MHz

1365 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

32.03GB/s

Render Config

-

SM Count

-

16

Compute Units

-

1024

Shading Units

640

64

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

2 MB

Theoretical Performance

30.66 GPixel/s

Pixel Rate

17.98 GPixel/s

61.31 GTexel/s

Texture Rate

44.96 GTexel/s

-

FP16 (half)

-

1.962 TFLOPS

FP32 (float)

1439 GFLOPS

122.6 GFLOPS

FP64 (double)

44.96 GFLOPS

Graphics Processor

Pitcairn

GPU Name

GM107

Pitcairn PRO (215-0828062)

GPU Variant

N16P-GT

GCN 1.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.87 billion

212 mm²

Die Size

148 mm²

Board Design

80W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

5.1

Shader Model

5.1

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