Product comparison · 2 laptops

Lenovo Essential B550 vs Lenovo TP L512 C2D I5-450M 4/320/DVDR/15.6/W7PR

110specifications compared
44differ
66identical
45known for one product only

Key differences

Processor family
- Essential B550:Intel® Pentium® Dual-Core
- TP L512 C2D I5-450M 4/320/DVDR/15.6/W7PR:Intel® Core™ i5
Processor model
- Essential B550:T4400
- TP L512 C2D I5-450M 4/320/DVDR/15.6/W7PR:i5-450M
Processor threads
- Essential B550:2
- TP L512 C2D I5-450M 4/320/DVDR/15.6/W7PR:4
Processor frequency
- Essential B550:2.2 GHz
- TP L512 C2D I5-450M 4/320/DVDR/15.6/W7PR:2.4 GHz
Processor cache
- Essential B550:1 MB
- TP L512 C2D I5-450M 4/320/DVDR/15.6/W7PR:3 MB
Processor cache type
- Essential B550:L2
- TP L512 C2D I5-450M 4/320/DVDR/15.6/W7PR:Smart Cache
Processor front side bus
- Essential B550:800 MHz
- TP L512 C2D I5-450M 4/320/DVDR/15.6/W7PR:1066 MHz
Processor socket
- Essential B550:Socket 478
- TP L512 C2D I5-450M 4/320/DVDR/15.6/W7PR:Socket 988

Side by side

Differences highlightedShow differences only

Comparison of Essential B550, TP L512 C2D I5-450M 4/320/DVDR/15.6/W7PR
155 specifications	A Lenovo Essential B550 View product	B Lenovo TP L512 C2D I5-450M 4/320/DVDR/15.6/W7PR View product
Designidentical
Product colour	Black	Black
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
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)Known for one	500:1	Unknown — not stated by the source
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium® Dual-Core	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	4th gen Intel® Core™ i5
Processor modelDiffers	T4400	i5-450M
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.66 GHz
Processor frequencyDiffers	2.2 GHz	2.4 GHz
System bus rateKnown for one	Unknown — not stated by the source	4.8 GT/s
Processor cacheDiffers	1 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	Socket 478	Socket 988
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium T4000 Series for Mobile	Intel Core i5-400 Series
Processor codenameDiffers	Penryn	Arrandale
Bus typeDiffers	FSB	DMI
FSB Parity	No	No
SteppingDiffers	R0	K0
Thermal Design Power (TDP)	35 W	35 W
Tjunction	105 °C	105 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Number of Processing Die TransistorsDiffers	410 M	382 M
Processing Die sizeDiffers	107 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	11	18
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	1 GB	4 GB
Memory clock speedDiffers	1066 MHz	1333 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	4 GB	8 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory layout (slots x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Storage1 differ
Total storage capacity	320 GB	320 GB
HDD capacityKnown for one	Unknown — not stated by the source	320 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
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Graphics card family	Intel	Intel
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	500 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	766 MHz
Maximum resolutionKnown for one	Unknown — not stated by the source	1366 x 768 pixels
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
Audio1 differ
Audio system	High Definition Audio	High Definition Audio
Number of built-in speakers	2	2
Speaker powerDiffers	4 W	3 W
Audio system direct 3D soundKnown for one	Yes	Unknown — not stated by the source
Networkidentical
Wi-Fi	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Networking featuresKnown for one	Fast Ethernet, WLAN	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	3	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA ports quantityDiffers	0	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DisplayPorts quantity	0	0
DVI portDiffers	No	Yes
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 slotKnown for one	Unknown — not stated by the source	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 port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
Keyboard1 differ
Pointing deviceDiffers	Touchpad	Touchpad + Scroll zone
Keyboard typeKnown for one	Unknown — not stated by the source	6 row 80 key 85% ISO Fullsize
Software1 differ
Operating system installedDiffers	FreeDOS	Windows 7 Professional
Processor special features15 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	No	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
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)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
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 TechnologyDiffers	No	1.0
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	36 bit
Processor ARK IDDiffers	40739	49022
Processor codeDiffers	SLGJL	SLBTZ
Processor package sizeDiffers	35 x 35 mm	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.1/4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
Conflict-Free processor	No	No
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	90 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
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	2.77 kg
DepthDiffers	245 mm	233 mm
HeightDiffers	36 mm	32 mm
WidthKnown for one	381 mm	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	381 x 245 x 36 mm	Unknown — not stated by the source
Hard driveidentical
Storage drive typeKnown for one	Unknown — not stated by the source	320GB SATA/ 5400
Other featuresidentical
Security featuresKnown for one	Unknown — not stated by the source	Fingerprint Reader
Infrared data port	No	No
Battery typeKnown for one	Unknown — not stated by the source	6 Cell Lithium-Ion
Internal modem	No	No
TV tuner integrated	No	No
Modem typeKnown for one	Unknown — not stated by the source	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Drive baysKnown for one	Unknown — not stated by the source	Fixed Ultrabay Enhanced
Supplied AC adapter type	AC	AC
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® GL40 Express	Unknown — not stated by the source
Batteryidentical
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery life (max)Known for one	4 h	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Yes	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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