AMD Radeon R9 M395X vs NVIDIA GeForce 830A

VS

AMD Radeon R9 M395X

NVIDIA GeForce 830A

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M395X and 2GB VRAM GeForce 830A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X 's Advantages

Released 10 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1792 additional rendering cores

NVIDIA GeForce 830A 's Advantages

Boost Clock1150MHz

Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M395X +402%

2.961 TFLOPS

GeForce 830A

0.589 TFLOPS

Radeon R9 M395X

VS

GeForce 830A

Graphics Card

May 2015

Release Date

Jul 2014

Crystal System

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1150 MHz

1250 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

14.40GB/s

Render Config

32

Compute Units

-

2048

Shading Units

256

128

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

9.200 GPixel/s

92.54 GTexel/s

Texture Rate

18.40 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

588.8 GFLOPS

185.1 GFLOPS

FP64 (double)

18.40 GFLOPS

Board Design

75W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

GM108

Amethyst XT

GPU Variant

-

GCN 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

Unknown

366 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.3

Shader Model

5.1

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