NVIDIA GeForce 8400M GS vs NVIDIA GeForce GT 755M

VS

NVIDIA GeForce 8400M GS

NVIDIA GeForce GT 755M

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 2GB VRAM GeForce GT 755M 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 50W)

NVIDIA GeForce GT 755M 's Advantages

Released 6 years and 1 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (86.40GB/s vs 6.400GB/s)

368 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

GeForce GT 755M +2796%

0.753 TFLOPS

GeForce 8400M GS

VS

GeForce GT 755M

Graphics Card

May 2007

Release Date

Jun 2013

GeForce 8M

Generation

GeForce 700M

Mobile

Type

Mobile

MXM-I

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1350 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

86.40GB/s

Render Config

-

2

SM Count

-

16

Shading Units

384

8

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per SMX)

16 KB

L2 Cache

256 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

7.840 GPixel/s

3.200 GTexel/s

Texture Rate

31.36 GTexel/s

-

25.60 GFLOPS

FP32 (float)

752.6 GFLOPS

-

FP64 (double)

31.36 GFLOPS

Board Design

11W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G86

GPU Name

GK107

NB8M-GS

GPU Variant

GT 755M

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

1.27 billion

127 mm²

Die Size

118 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

CUDA

3.0

4.0

Shader Model

5.1

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