AMD Radeon R9 M390 Mac Edition vs AMD FirePro M7820

VS

AMD Radeon R9 M390 Mac Edition

AMD FirePro M7820

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 1024MB VRAM FirePro M7820 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 5 years late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 64.00GB/s)

224 additional rendering cores

AMD FirePro M7820 's Advantages

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +75%

1.962 TFLOPS

FirePro M7820

1.12 TFLOPS

Radeon R9 M390 Mac Edition

VS

FirePro M7820

Graphics Card

May 2015

Release Date

May 2010

Crystal System

Generation

FirePro Mobility

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1365 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

64.00GB/s

Render Config

16

Compute Units

10

-

1024

Shading Units

800

64

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

11.20 GPixel/s

61.31 GTexel/s

Texture Rate

28.00 GTexel/s

-

1.962 TFLOPS

FP32 (float)

1120 GFLOPS

122.6 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Broadway

Pitcairn PRO (215-0828062)

GPU Variant

Broadway XT GL

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

1.04 billion

212 mm²

Die Size

166 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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