NVIDIA GeForce GT 555M vs ATI Mobility Radeon X1900

VS

NVIDIA GeForce GT 555M

ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 555M and 256MB VRAM Mobility Radeon X1900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 555M 's Advantages

Released 5 years and 2 months late

More VRAM (2GB vs 256GB)

144 additional rendering cores

ATI Mobility Radeon X1900 's Advantages

Larger VRAM bandwidth (30.08GB/s vs 28.80GB/s)

Score

GeForce GT 555M

VS

Mobility Radeon X1900

Graphics Card

Mar 2012

Release Date

Jan 2007

GeForce 500M

Generation

M6x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-III

Clock Speeds

-

900 MHz

Memory Clock

470 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

30.08GB/s

Render Config

-

2

SM Count

-

144

Shading Units

-

24

TMUs

12

16

ROPs

12

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

2.700 GPixel/s

Pixel Rate

4.800 GPixel/s

16.20 GTexel/s

Texture Rate

4.800 GTexel/s

-

388.8 GFLOPS

FP32 (float)

-

32.40 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF116

GPU Name

M68

N12E-GE2-A1

GPU Variant

-

Fermi 2.0

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.17 billion

Transistors

0.312 billion

238 mm²

Die Size

230 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

3.0

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