AMD Radeon R9 M385X vs AMD FirePro M3900

VS

AMD Radeon R9 M385X

AMD FirePro M3900

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 1024MB VRAM FirePro M3900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Released 4 years and 7 months late

Boost Clock1100MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (76.80GB/s vs 14.40GB/s)

736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X +721%

1.971 TFLOPS

FirePro M3900

0.24 TFLOPS

Radeon R9 M385X

VS

FirePro M3900

Graphics Card

May 2015

Release Date

Oct 2010

Gem System

Generation

FirePro Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1100 MHz

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

14.40GB/s

Render Config

14

Compute Units

2

-

896

Shading Units

160

56

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

3.000 GPixel/s

61.60 GTexel/s

Texture Rate

6.000 GTexel/s

-

1.971 TFLOPS

FP32 (float)

240.0 GFLOPS

123.2 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

20W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Strato

GPU Name

Seymour

Strato XT

GPU Variant

Seymour GL

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

0.37 billion

160 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5

Shader Model

5.0

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