AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce 800A

VS

AMD Radeon R9 M390 Mac Edition

NVIDIA GeForce 800A

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 1024MB VRAM GeForce 800A 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

Released 1 years and 2 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 14.40GB/s)

976 additional rendering cores

NVIDIA GeForce 800A 's Advantages

Lower TDP (15W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +2056%

1.962 TFLOPS

GeForce 800A

0.091 TFLOPS

Radeon R9 M390 Mac Edition

VS

GeForce 800A

Graphics Card

May 2015

Release Date

Mar 2014

Crystal System

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1365 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

14.40GB/s

Render Config

16

Compute Units

-

SM Count

1

1024

Shading Units

48

64

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

950.0 MPixel/s

61.31 GTexel/s

Texture Rate

3.800 GTexel/s

-

1.962 TFLOPS

FP32 (float)

91.20 GFLOPS

122.6 GFLOPS

FP64 (double)

7.600 GFLOPS

Board Design

80W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

GF119

Pitcairn PRO (215-0828062)

GPU Variant

-

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.292 billion

212 mm²

Die Size

79 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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