Product comparison · 2 laptops

HP ProBook 6550b + AJ359AA vs Lenovo ThinkPad L512 + 45N6681

117specifications compared
32differ
85identical
27known for one product only

Key differences

Product colour
- ProBook 6550b + AJ359AA:Silver
- ThinkPad L512 + 45N6681:Black
Processor family
- ProBook 6550b + AJ359AA:Intel® Core™ i5
- ThinkPad L512 + 45N6681:Intel® Core™ i3
Processor generation
- ProBook 6550b + AJ359AA:4th gen Intel® Core™ i5
- ThinkPad L512 + 45N6681:3rd gen Intel® Core™ i3
Processor model
- ProBook 6550b + AJ359AA:i5-450M
- ThinkPad L512 + 45N6681:i3-330M
Processor frequency
- ProBook 6550b + AJ359AA:2.4 GHz
- ThinkPad L512 + 45N6681:2.13 GHz
System bus rate
- ProBook 6550b + AJ359AA:4.8 GT/s
- ThinkPad L512 + 45N6681:2.5 GT/s
Processor socket
- ProBook 6550b + AJ359AA:Socket 988
- ThinkPad L512 + 45N6681:BGA 1288
Stepping
- ProBook 6550b + AJ359AA:K0
- ThinkPad L512 + 45N6681:C2

Side by side

Differences highlightedShow differences only

Comparison of ProBook 6550b + AJ359AA, ThinkPad L512 + 45N6681
144 specifications	A HP ProBook 6550b + AJ359AA View product	B Lenovo ThinkPad L512 + 45N6681 View product
Design1 differ
Product colourDiffers	Silver	Black
Country of originKnown for one	China	Unknown — not stated by the source
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratio	16:9	16:9
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor9 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i3
Processor generationDiffers	4th gen Intel® Core™ i5	3rd gen Intel® Core™ i3
Processor modelDiffers	i5-450M	i3-330M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	2.66 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.4 GHz	2.13 GHz
System bus rateDiffers	4.8 GT/s	2.5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	Socket 988	BGA 1288
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-400 Series	Intel Core i3-300 Mobile Series
Processor codename	Arrandale	Arrandale
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	K0	C2
Thermal Design Power (TDP)	35 W	35 W
Tjunction	105 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16	1x16
PCI Express slots version	2.0	2.0
Number of Processing Die Transistors	382 M	382 M
Processing Die size	81 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	18	16
ECC supported by processor	No	No
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Storage4 differ
Total storage capacityDiffers	320 GB	250 GB
HDD interfaceDiffers	SATA II	SATA
HDD speedDiffers	7200 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi DL	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, SDHC
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	AMD Mobility Radeon HD 540v	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	0.512 GB	Unknown — not stated by the source
Graphics card familyDiffers	AMD	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card base frequency	500 MHz	500 MHz
On-board graphics card dynamic frequency (max)Differs	766 MHz	667 MHz
Audioidentical
Audio systemKnown for one	HP Premier Sound	Unknown — not stated by the source
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Yes	Unknown — not stated by the source
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	2.1+EDR	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	3	4
eSATA ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	1	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	Yes	No
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	No
TV-in port	No	No
TV-out	No	No
Serial ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Performance1 differ
Motherboard chipsetDiffers	Intel® HM57 Express	Intel® HM55 Express
Keyboardidentical
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	45 nm	45 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	Yes	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	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)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	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	1.0	No
Physical Address Extension (PAE)Differs	36 bit	Yes
Processor ARK IDDiffers	49022	47663
Processor codeDiffers	SLBTZ	SLBNF
Processor package size	rPGA 37.5x 37.5, BGA 34x28	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsDiffers	SSE4.1/4.2	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	6.5 h	Unknown — not stated by the source
Poweridentical
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
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.51 kg	2.61 kg
WidthDiffers	371.4 mm	381 mm
DepthDiffers	248 mm	247 mm
Height (front)Differs	3.48 cm	3.2 cm
Height (rear)Known for one	Unknown — not stated by the source	3.6 cm
Other features1 differ
Infrared data port	No	No
Internal modem	No	No
TV tuner integrated	No	No
Intel segment taggingDiffers	Enterprise	Home office, Small Business
Supplied AC adapter type	AC	AC
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes

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.

More laptop comparisons

All laptop comparisons