NVIDIA GeForce GT 555M vs AMD Radeon HD 7550M

VS

NVIDIA GeForce GT 555M

AMD Radeon HD 7550M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 555M and 1024MB VRAM Radeon HD 7550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 555M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

AMD Radeon HD 7550M 's Advantages

Boost Clock550MHz

256 additional rendering cores

Lower TDP (14W vs 35W)

Score

Benchmark

FP32 (float)

GeForce GT 555M

0.389 TFLOPS

Radeon HD 7550M +13%

0.44 TFLOPS

GeForce GT 555M

VS

Radeon HD 7550M

Graphics Card

Mar 2012

Release Date

Jan 2012

GeForce 500M

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

450 MHz

-

Boost Clock

550 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

5

2

SM Count

-

144

Shading Units

400

24

TMUs

20

16

ROPs

8

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

2.700 GPixel/s

Pixel Rate

4.400 GPixel/s

16.20 GTexel/s

Texture Rate

11.00 GTexel/s

-

388.8 GFLOPS

FP32 (float)

440.0 GFLOPS

32.40 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF116

GPU Name

Thames

N12E-GE2-A1

GPU Variant

Thames LP

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

0.716 billion

238 mm²

Die Size

104 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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