NVIDIA GeForce GT 550M vs NVIDIA GeForce GTX 660M

VS

NVIDIA GeForce GT 550M

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 550M and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 550M 's Advantages

Lower TDP (35W vs 50W)

NVIDIA GeForce GTX 660M 's Advantages

Released 1 years and 2 months late

Boost Clock950MHz

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 550M

0.284 TFLOPS

GeForce GTX 660M +157%

0.73 TFLOPS

GeForce GT 550M

VS

GeForce GTX 660M

Graphics Card

Jan 2011

Release Date

Mar 2012

GeForce 500M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

835 MHz

-

Boost Clock

950 MHz

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

64.00GB/s

Render Config

-

2

SM Count

-

96

Shading Units

384

16

TMUs

32

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

2.960 GPixel/s

Pixel Rate

7.600 GPixel/s

11.84 GTexel/s

Texture Rate

30.40 GTexel/s

-

284.2 GFLOPS

FP32 (float)

729.6 GFLOPS

23.68 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

35W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

GK107

N12P-GT1-A1

GPU Variant

N13E-GE-A2

Fermi

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

1.27 billion

116 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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