NVIDIA GeForce GT 555M vs NVIDIA GeForce 8400M G

VS

NVIDIA GeForce GT 555M

NVIDIA GeForce 8400M G

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 555M and 256MB VRAM GeForce 8400M G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 555M 's Advantages

Released 4 years and 10 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 6.400GB/s)

136 additional rendering cores

NVIDIA GeForce 8400M G 's Advantages

Lower TDP (10W vs 35W)

Score

Benchmark

FP32 (float)

GeForce GT 555M +2892%

0.389 TFLOPS

GeForce 8400M G

0.013 TFLOPS

GeForce GT 555M

VS

GeForce 8400M G

Graphics Card

Mar 2012

Release Date

May 2007

GeForce 500M

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

900 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

6.400GB/s

Render Config

-

2

SM Count

1

144

Shading Units

8

24

TMUs

8

16

ROPs

4

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

16 KB

-

Theoretical Performance

2.700 GPixel/s

Pixel Rate

1.600 GPixel/s

16.20 GTexel/s

Texture Rate

3.200 GTexel/s

-

388.8 GFLOPS

FP32 (float)

12.80 GFLOPS

32.40 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

10W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF116

GPU Name

G86

N12E-GE2-A1

GPU Variant

NB8M-SE

Fermi 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.17 billion

Transistors

0.21 billion

238 mm²

Die Size

127 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

1.1

5.1

Shader Model

4.0

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