Product comparison · 2 laptops

Acer eMashine E525-903G25MI vs Lenovo G550L-TopS,C2D T4400, 15.6 HD LED lesklý

92specifications compared
19differ
73identical
27known for one product only

Key differences

Processor family
- eMashine E525-903G25MI:Intel® Celeron®
- G550L-TopS,C2D T4400, 15.6 HD LED lesklý:Intel® Pentium® Dual-Core
Processor model
- eMashine E525-903G25MI:900
- G550L-TopS,C2D T4400, 15.6 HD LED lesklý:T4400
Processor cores
- eMashine E525-903G25MI:1
- G550L-TopS,C2D T4400, 15.6 HD LED lesklý:2
Processor threads
- eMashine E525-903G25MI:1
- G550L-TopS,C2D T4400, 15.6 HD LED lesklý:2
Processor socket
- eMashine E525-903G25MI:LGA 3647 (Socket P)
- G550L-TopS,C2D T4400, 15.6 HD LED lesklý:Socket 478
Internal memory type
- eMashine E525-903G25MI:DDR2-SDRAM
- G550L-TopS,C2D T4400, 15.6 HD LED lesklý:DDR3-SDRAM
Memory clock speed
- eMashine E525-903G25MI:667 MHz
- G550L-TopS,C2D T4400, 15.6 HD LED lesklý:1066 MHz
Total storage capacity
- eMashine E525-903G25MI:250 GB
- G550L-TopS,C2D T4400, 15.6 HD LED lesklý:320 GB

Side by side

Differences highlightedShow differences only

Comparison of eMashine E525-903G25MI, G550L-TopS,C2D T4400, 15.6 HD LED lesklý
119 specifications	A Acer eMashine E525-903G25MI View product	B Lenovo G550L-TopS,C2D T4400, 15.6 HD LED lesklý View product
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Native aspect ratio	16:9	16:9
TouchscreenKnown for one	No	Unknown — not stated by the source
LED backlightKnown for one	Yes	Unknown — not stated by the source
Processor6 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Pentium® Dual-Core
Processor modelDiffers	900	T4400
Processor coresDiffers	1	2
Processor threadsDiffers	1	2
Processor frequency	2.2 GHz	2.2 GHz
Processor cache	1 MB	1 MB
Processor cache type	L2	L2
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Processor socketDiffers	LGA 3647 (Socket P)	Socket 478
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Celeron Processor 900 Series for Mobile	Intel Pentium T4000 Series for Mobile
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
Stepping	R0	R0
Thermal Design Power (TDP)	35 W	35 W
TjunctionKnown for one	Unknown — not stated by the source	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	11
ECC supported by processor	No	No
TcaseKnown for one	105 °C	Unknown — not stated by the source
Memory2 differ
Internal memory	3 GB	3 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	667 MHz	1066 MHz
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Storage1 differ
Total storage capacityDiffers	250 GB	320 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Card reader integrated	Yes	Yes
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
Compatible memory cardsKnown for one	MMC, MS PRO, SD, xD	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA 4500M	Intel GMA X4500M
Maximum graphics card memoryKnown for one	1.759 GB	Unknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)	0.3 MP	0.3 MP
Network2 differ
Networking featuresKnown for one	Unknown — not stated by the source	10/100/1000 Mbit/s Ethernet
Wireless technologyDiffers	802.11a/g WLAN	802.11 b/g/n
BluetoothDiffers	No	Yes
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	2	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	0	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) ports	0	0
TV-in port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	Touchpad
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)	No	No
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	41498	40739
Processor codeKnown for one	Unknown — not stated by the source	SLGJL
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	3 kg	2.7 kg
WidthKnown for one	Unknown — not stated by the source	381 mm
DepthKnown for one	Unknown — not stated by the source	245 mm
HeightKnown for one	Unknown — not stated by the source	36.2 mm
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	381 x 245 x 36.2 mm
Other featuresidentical
Infrared data port	No	No
Internal modem	No	No
Supplied AC adapter type	AC	AC
Performanceidentical
Motherboard chipsetKnown for one	Intel® GL40 Express	Unknown — not stated by the source
Poweridentical
AC adapter input voltageKnown for one	220 - 230 V	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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