Product comparison · 2 laptops

Lenovo Essential B550 vs Lenovo IdeaPad U350 Intel® Pentium® SU4100

106specifications compared
27differ
79identical
35known for one product only

Key differences

Display diagonal
- Essential B550:39.6 cm (15.6")
- IdeaPad U350 Intel® Pentium® SU4100:33.8 cm (13.3")
Processor family
- Essential B550:Intel® Pentium® Dual-Core
- IdeaPad U350 Intel® Pentium® SU4100:Intel® Pentium®
Processor model
- Essential B550:T4400
- IdeaPad U350 Intel® Pentium® SU4100:SU4100
Processor frequency
- Essential B550:2.2 GHz
- IdeaPad U350 Intel® Pentium® SU4100:1.3 GHz
Processor cache
- Essential B550:1 MB
- IdeaPad U350 Intel® Pentium® SU4100:2 MB
Processor socket
- Essential B550:Socket 478
- IdeaPad U350 Intel® Pentium® SU4100:BGA 956
Thermal Design Power (TDP)
- Essential B550:35 W
- IdeaPad U350 Intel® Pentium® SU4100:10 W
Internal memory
- Essential B550:1 GB
- IdeaPad U350 Intel® Pentium® SU4100:3 GB

Side by side

Differences highlightedShow differences only

Comparison of Essential B550, U350
141 specifications	A Lenovo Essential B550 View product	B Lenovo IdeaPad U350 Intel® Pentium® SU4100 Model U350 View product
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	33.8 cm (13.3")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Gloss	Unknown — not stated by the source
Contrast ratio (typical)	500:1	500:1
Display brightnessKnown for one	Unknown — not stated by the source	200 cd/m²
Processor6 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium® Dual-Core	Intel® Pentium®
Processor modelDiffers	T4400	SU4100
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.2 GHz	1.3 GHz
Processor cacheDiffers	1 MB	2 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Processor socketDiffers	Socket 478	BGA 956
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Intel Pentium T4000 Series for Mobile	Unknown — not stated by the source
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
Stepping	R0	R0
Thermal Design Power (TDP)Differs	35 W	10 W
TjunctionKnown for one	105 °C	Unknown — not stated by the source
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)Known for one	11	Unknown — not stated by the source
ECC supported by processor	No	No
TcaseKnown for one	Unknown — not stated by the source	100 °C
Memory2 differ
Internal memoryDiffers	1 GB	3 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Memory layout (slots x size)Differs	1 x 1 GB	1 x 1 + 1 x 2 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	4 GB	4 GB
Storage2 differ
Total storage capacityDiffers	320 GB	250 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi DL	DVD-RW
Card reader integrated	Yes	Yes
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Compatible memory cardsKnown for one	Unknown — not stated by the source	Memory Stick (MS), MMC, MS PRO, SD
Graphicsidentical
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Intel® GMA 4500M	Unknown — not stated by the source
Graphics card family	Intel	Intel
Audio2 differ
Audio systemDiffers	High Definition Audio	HD
Number of built-in speakers	2	2
Speaker powerDiffers	4 W	1.5 W
Audio system direct 3D soundKnown for one	Yes	Unknown — not stated by the source
Camera1 differ
Front camera resolution (numeric)Differs	0.3 MP	1.3 MP
Network2 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Fast Ethernet, WLAN	Gigabit Ethernet
BluetoothDiffers	Yes	No
Wireless technologyKnown for one	Unknown — not stated by the source	Wi-Fi
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces1 differ
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	0	1
DisplayPorts quantity	0	0
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
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) ports	0	0
TV-in portKnown for one	No	Unknown — not stated by the source
TV-out	No	No
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
ExpressCard slotKnown for one	Unknown — not stated by the source	No
Performanceidentical
Motherboard chipsetKnown for one	Intel® GL40 Express	Unknown — not stated by the source
Keyboardidentical
Pointing device	Touchpad	Touchpad
Software1 differ
Operating system installedDiffers	FreeDOS	Windows 7 Home Premium
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Yes	Unknown — not stated by the source
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	Yes	No
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	40739	43568
Processor codeDiffers	SLGJL	SLGS4
Processor package sizeDiffers	35 x 35 mm	22 x22 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery1 differ
Number of battery cellsDiffers	6	4
Battery life (max)Known for one	4 h	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	Kensington	IBM
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 & dimensions3 differ
WeightDiffers	2.7 kg	1.6 kg
WidthDiffers	381 mm	328 mm
DepthDiffers	245 mm	228 mm
HeightKnown for one	36 mm	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	381 x 245 x 36 mm	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	1.7 cm
Height (rear)Known for one	Unknown — not stated by the source	2.49 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Internal modemKnown for one	No	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power requirementsKnown for one	Unknown — not stated by the source	100 - 240V
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC

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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