AMD Radeon R9 M395X Mac Edition vs NVIDIA GeForce 830M

VS

AMD Radeon R9 M395X Mac Edition

NVIDIA GeForce 830M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 2GB VRAM GeForce 830M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X Mac Edition 's Advantages

Released 1 years and 2 months late

More VRAM (4GB vs 2GB)

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

1792 additional rendering cores

NVIDIA GeForce 830M 's Advantages

Boost Clock1150MHz

Lower TDP (33W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395X Mac Edition +532%

3.723 TFLOPS

GeForce 830M

0.589 TFLOPS

Radeon R9 M395X Mac Edition

VS

GeForce 830M

Graphics Card

May 2015

Release Date

Mar 2014

Crystal System

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1150 MHz

1365 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

174.7GB/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

29.09 GPixel/s

Pixel Rate

9.200 GPixel/s

116.4 GTexel/s

Texture Rate

18.40 GTexel/s

3.723 TFLOPS

FP16 (half)

-

3.723 TFLOPS

FP32 (float)

588.8 GFLOPS

232.7 GFLOPS

FP64 (double)

18.40 GFLOPS

Board Design

250W

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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