Product comparison · 2 laptops

Dell I15N-2657OBK laptop Intel® Core™ i3 i3-2350M vs Lenovo IdeaPad U450p Intel® Pentium® SU4100

124specifications compared
52differ
72identical
67known for one product only

Key differences

Display diagonal
- I15N-2657OBK laptop Intel® Core™ i3 i3-2350M:39.6 cm (15.6")
- IdeaPad U450p Intel® Pentium® SU4100:35.6 cm (14")
HD type
- I15N-2657OBK laptop Intel® Core™ i3 i3-2350M:Not supported
- IdeaPad U450p Intel® Pentium® SU4100:HD
Processor family
- I15N-2657OBK laptop Intel® Core™ i3 i3-2350M:Intel® Core™ i3
- IdeaPad U450p Intel® Pentium® SU4100:Intel® Pentium®
Processor model
- I15N-2657OBK laptop Intel® Core™ i3 i3-2350M:i3-2350M
- IdeaPad U450p Intel® Pentium® SU4100:SU4100
Processor threads
- I15N-2657OBK laptop Intel® Core™ i3 i3-2350M:4
- IdeaPad U450p Intel® Pentium® SU4100:2
Processor frequency
- I15N-2657OBK laptop Intel® Core™ i3 i3-2350M:2.3 GHz
- IdeaPad U450p Intel® Pentium® SU4100:1.3 GHz
Processor cache
- I15N-2657OBK laptop Intel® Core™ i3 i3-2350M:3 MB
- IdeaPad U450p Intel® Pentium® SU4100:2 MB
Processor cache type
- I15N-2657OBK laptop Intel® Core™ i3 i3-2350M:Smart Cache
- IdeaPad U450p Intel® Pentium® SU4100:L2

Side by side

Differences highlightedShow differences only

Comparison of I15N-2657OBK, U450p
191 specifications	A Dell I15N-2657OBK laptop Intel® Core™ i3 i3-2350M Model I15N-2657OBK View product	B Lenovo IdeaPad U450p Intel® Pentium® SU4100 Model U450p View product
Designidentical
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionKnown for one	Unknown — not stated by the source	1366 x 768 pixels
TouchscreenKnown for one	Unknown — not stated by the source	No
HD typeDiffers	Not supported	HD
LED backlight	Yes	Yes
Native aspect ratioKnown for one	Unknown — not stated by the source	16:9
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Display brightnessKnown for one	Unknown — not stated by the source	220 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Pentium®
Processor modelDiffers	i3-2350M	SU4100
Processor cores	2	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	2.3 GHz	1.3 GHz
Processor cacheDiffers	3 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Processor socketDiffers	Socket 988	BGA 956
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor codenameDiffers	Sandy Bridge	Penryn
Bus typeDiffers	DMI	FSB
FSB Parity	No	No
SteppingDiffers	J1	R0
Motherboard southbridgeKnown for one	Unknown — not stated by the source	Intel ICH9M
Thermal Design Power (TDP)Differs	35 W	10 W
TcaseKnown for one	Unknown — not stated by the source	100 °C
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	410 M
Processing Die sizeKnown for one	Unknown — not stated by the source	107 mm²
ECC supported by processor	No	No
Processor generationKnown for one	2nd gen Intel® Core™ i3	Unknown — not stated by the source
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core i3-2300 Mobile Series	Unknown — not stated by the source
TjunctionKnown for one	85 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8, 1x8+2x4	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	23	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	4 GB	3 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 + 1 x 2 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Memory slots (available)Known for one	Unknown — not stated by the source	0
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Storage2 differ
Total storage capacityDiffers	500 GB	250 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	250 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Optical drive type	DVD±RW	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	Memory Stick (MS), MMC, MS PRO, SD
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	No
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
Graphics card family	Intel	Intel
On-board graphics card familyDiffers	Intel® HD Graphics	Intel® GMA
On-board graphics card modelDiffers	Intel® HD Graphics 3000	Intel® GMA 4500MHD
On-board graphics card base frequencyKnown for one	650 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1150 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x116	Unknown — not stated by the source
Audio2 differ
Audio systemDiffers	HD	Dolby Home Sound Room
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	2	2
Speaker powerDiffers	2 W	1.5 W
Built-in microphone	Yes	Yes
Camera1 differ
Front camera resolution (numeric)Differs	0.3 MP	1.3 MP
Swivel webcam	No	No
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
LabelflashKnown for one	Unknown — not stated by the source	No
Optical drive interfaceKnown for one	SATA	Unknown — not stated by the source
Disc types supportedKnown for one	CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g
Wi-Fi data rate (max)Known for one	Unknown — not stated by the source	54 Mbit/s
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Bluetooth	No	No
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8111D(L)
Network connection typeKnown for one	Unknown — not stated by the source	RJ-45
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Headphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Microphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
TV-out	No	No
Performance1 differ
Motherboard chipsetDiffers	Intel® HM57 Express	Intel® GS45 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Operating system architectureKnown for one	Unknown — not stated by the source	32-bit
Processor special features19 differ
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	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)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	53438	43568
Processor codeDiffers	SR0DN	SLGS4
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	22 x22 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Conflict-Free processor	No	No
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	6 h
Battery capacityKnown for one	48 Wh	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
Power auto-sensingKnown for one	Unknown — not stated by the source	Yes
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Power on, Supervisor
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Silver, ENERGY STAR
Weight & dimensions9 differ
WeightDiffers	2.37 kg	2.1 kg
WidthDiffers	376 mm	338.5 mm
DepthDiffers	260 mm	235.5 mm
Height (front)Differs	3.15 cm	2.3 cm
Height (rear)Differs	3.45 cm	2.89 cm
Width (imperial)Differs	37.6 cm (14.8")	33.8 cm (13.3")
Depth (imperial)Differs	26 cm (10.2")	23.6 cm (9.3")
Height (front) (imperial)Differs	3.15 cm (1.24")	2.29 cm (0.9")
Height (rear) (imperial)Differs	3.45 cm (1.36")	2.79 cm (1.1")
Videoidentical
HD-Ready	Yes	Yes
Packaging contentidentical
AC adapter included	Yes	Yes
Cables included	AC	AC
Manual	Yes	Yes
Quick start guide	Yes	Yes
Other featuresidentical
Infrared data port	No	No
3DKnown for one	Unknown — not stated by the source	No
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Power supply type	AC/DC	AC/DC
Volume controlKnown for one	Unknown — not stated by the source	Digital
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Supplied AC adapter type	AC	AC

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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