NVIDIA GeForce GTX 860M vs NVIDIA GeForce 8400M GS

VS

NVIDIA GeForce GTX 860M

NVIDIA GeForce 8400M GS

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M and 256MB VRAM GeForce 8400M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 860M 's Advantages

Released 6 years and 8 months late

Boost Clock1085MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (80.19GB/s vs 6.400GB/s)

624 additional rendering cores

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 860M +5242%

1.389 TFLOPS

GeForce 8400M GS

0.026 TFLOPS

GeForce GTX 860M

VS

GeForce 8400M GS

Graphics Card

Jan 2014

Release Date

May 2007

GeForce 800M

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-I

Clock Speeds

1020 MHz

Base Clock

-

1085 MHz

Boost Clock

-

1253 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

80.19GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

2

640

Shading Units

16

40

TMUs

8

16

ROPs

4

-

64 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

16 KB

-

Theoretical Performance

17.36 GPixel/s

Pixel Rate

1.600 GPixel/s

43.40 GTexel/s

Texture Rate

3.200 GTexel/s

-

1389 GFLOPS

FP32 (float)

25.60 GFLOPS

43.40 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

11W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM107

GPU Name

G86

N15P-GX-A1

GPU Variant

NB8M-GS

Maxwell

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.87 billion

Transistors

0.21 billion

148 mm²

Die Size

127 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

1.1

5.1

Shader Model

4.0

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