NVIDIA GeForce GT 550M vs NVIDIA GeForce 405M

VS

NVIDIA GeForce GT 550M

NVIDIA GeForce 405M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 550M and 512MB VRAM GeForce 405M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 550M 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)

80 additional rendering cores

NVIDIA GeForce 405M 's Advantages

Lower TDP (14W vs 35W)

Score

Benchmark

FP32 (float)

GeForce GT 550M +628%

0.284 TFLOPS

GeForce 405M

0.039 TFLOPS

GeForce GT 550M

VS

GeForce 405M

Graphics Card

Jan 2011

Release Date

Jan 2011

GeForce 500M

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

12.80GB/s

Render Config

-

2

SM Count

2

96

Shading Units

16

TMUs

8

4

ROPs

4

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

2.960 GPixel/s

Pixel Rate

2.424 GPixel/s

11.84 GTexel/s

Texture Rate

4.848 GTexel/s

-

284.2 GFLOPS

FP32 (float)

38.78 GFLOPS

23.68 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

GT218

N12P-GT1-A1

GPU Variant

-

Fermi

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.585 billion

Transistors

0.26 billion

116 mm²

Die Size

57 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

1.2

5.1

Shader Model

4.1

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