NVIDIA GeForce 8400M GS vs AMD Radeon R9 M395 Mac Edition

VS

NVIDIA GeForce 8400M GS

AMD Radeon R9 M395 Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 2GB VRAM Radeon R9 M395 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 250W)

AMD Radeon R9 M395 Mac Edition 's Advantages

Released 8 years late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (174.7GB/s vs 6.400GB/s)

1776 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

Radeon R9 M395 Mac Edition +11396%

2.989 TFLOPS

GeForce 8400M GS

VS

Radeon R9 M395 Mac Edition

Graphics Card

May 2007

Release Date

May 2015

GeForce 8M

Generation

Crystal System

Mobile

Type

Mobile

MXM-I

Bus Interface

MXM-B (3.0)

Clock Speeds

-

400 MHz

Memory Clock

1365 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

28

2

SM Count

-

16

Shading Units

1792

8

TMUs

112

4

ROPs

32

-

16 KB

L2 Cache

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

26.69 GPixel/s

3.200 GTexel/s

Texture Rate

93.41 GTexel/s

-

25.60 GFLOPS

FP32 (float)

2.989 TFLOPS

-

FP64 (double)

373.6 GFLOPS

Board Design

11W

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

G86

GPU Name

Amethyst

NB8M-GS

GPU Variant

Amethyst PRO (216-0872004)

Tesla

Architecture

GCN 3.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

5 billion

127 mm²

Die Size

366 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

6.3

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