AMD Radeon R9 M395X vs ATI Mobility Radeon HD 3850 X2

VS

AMD Radeon R9 M395X ATI Mobility Radeon HD 3850 X2

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M395X and 512MB VRAM Mobility Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X 's Advantages

Released 6 years and 11 months late

Larger VRAM bandwidth (160.0GB/s vs 48.00GB/s)

1728 additional rendering cores

ATI Mobility Radeon HD 3850 X2 's Advantages

Lower TDP (70W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M395X +698%

2.961 TFLOPS

Mobility Radeon HD 3850 X2

0.371 TFLOPS

Radeon R9 M395X

VS

Mobility Radeon HD 3850 X2

Graphics Card

May 2015

Release Date

Jun 2008

Crystal System

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

750 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

32

Compute Units

4

2048

Shading Units

320

128

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

9.280 GPixel/s

92.54 GTexel/s

Texture Rate

9.280 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

371.2 GFLOPS

185.1 GFLOPS

FP64 (double)

74.24 GFLOPS

Graphics Processor

Amethyst

GPU Name

M88

Amethyst XT

GPU Variant

-

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.666 billion

366 mm²

Die Size

192 mm²

Board Design

75W

TDP

70W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

4.1

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