NVIDIA GeForce 8400M GS vs NVIDIA GeForce GT 425M

VS

NVIDIA GeForce 8400M GS

NVIDIA GeForce GT 425M

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 1024MB VRAM GeForce GT 425M 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 23W)

NVIDIA GeForce GT 425M 's Advantages

Released 3 years and 4 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 6.400GB/s)

80 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

GeForce GT 425M +726%

0.215 TFLOPS

GeForce 8400M GS

VS

GeForce GT 425M

Graphics Card

May 2007

Release Date

Sep 2010

GeForce 8M

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-I

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

DDR3

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

25.60GB/s

Render Config

-

2

SM Count

2

16

Shading Units

96

8

TMUs

16

4

ROPs

4

-

L1 Cache

64 KB (per SM)

16 KB

L2 Cache

256 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

2.240 GPixel/s

3.200 GTexel/s

Texture Rate

8.960 GTexel/s

-

25.60 GFLOPS

FP32 (float)

215.0 GFLOPS

-

FP64 (double)

17.92 GFLOPS

Board Design

11W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G86

GPU Name

GF108

NB8M-GS

GPU Variant

N11P-GS-A1

Tesla

Architecture

Fermi

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.21 billion

Transistors

0.585 billion

127 mm²

Die Size

116 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

2.1

4.0

Shader Model

5.1

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