NVIDIA GeForce 8400M GS vs NVIDIA GeForce GTX 850M

VS

NVIDIA GeForce 8400M GS

NVIDIA GeForce GTX 850M

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 2GB VRAM GeForce GTX 850M 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 45W)

NVIDIA GeForce GTX 850M 's Advantages

Released 6 years and 10 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (32.03GB/s vs 6.400GB/s)

624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

GeForce GTX 850M +4342%

1.155 TFLOPS

GeForce 8400M GS

VS

GeForce GTX 850M

Graphics Card

May 2007

Release Date

Mar 2014

GeForce 8M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-I

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1001 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

DDR3

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

32.03GB/s

Render Config

-

2

SM Count

-

16

Shading Units

640

8

TMUs

40

4

ROPs

16

-

L1 Cache

64 KB (per SMM)

16 KB

L2 Cache

2 MB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

14.43 GPixel/s

3.200 GTexel/s

Texture Rate

36.08 GTexel/s

-

25.60 GFLOPS

FP32 (float)

1155 GFLOPS

-

FP64 (double)

36.08 GFLOPS

Board Design

11W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G86

GPU Name

GM107

NB8M-GS

GPU Variant

N15P-GT-A1

Tesla

Architecture

Maxwell

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

1.87 billion

127 mm²

Die Size

148 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

1.1

CUDA

5.0

4.0

Shader Model

5.1

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