Product comparison · 2 laptops

HP ProBook 4520s + AP355ET vs Lenovo ThinkPad L512 + 45N6681

115specifications compared
17differ
98identical
32known for one product only

Key differences

Internal memory
- ProBook 4520s + AP355ET:3 GB
- ThinkPad L512 + 45N6681:2 GB
Total storage capacity
- ProBook 4520s + AP355ET:320 GB
- ThinkPad L512 + 45N6681:250 GB
HDD interface
- ProBook 4520s + AP355ET:SATA II
- ThinkPad L512 + 45N6681:SATA
HDD speed
- ProBook 4520s + AP355ET:7200 RPM
- ThinkPad L512 + 45N6681:5400 RPM
Optical drive type
- ProBook 4520s + AP355ET:DVD Super Multi DL
- ThinkPad L512 + 45N6681:DVD-RW
Graphics card family
- ProBook 4520s + AP355ET:AMD
- ThinkPad L512 + 45N6681:Intel
USB 2.0 ports quantity
- ProBook 4520s + AP355ET:3
- ThinkPad L512 + 45N6681:4
HDMI ports quantity
- ProBook 4520s + AP355ET:1
- ThinkPad L512 + 45N6681:0

Side by side

Differences highlightedShow differences only

Comparison of ProBook 4520s + AP355ET, ThinkPad L512 + 45N6681
147 specifications	A HP ProBook 4520s + AP355ET View product	B Lenovo ThinkPad L512 + 45N6681 View product
Designidentical
Country of originKnown for one	China	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	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 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
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i3	Intel® Core™ i3
Processor generation	3rd gen Intel® Core™ i3	3rd gen Intel® Core™ i3
Processor model	i3-330M	i3-330M
Processor cores	2	2
Processor threads	4	4
Processor frequency	2.13 GHz	2.13 GHz
System bus rate	2.5 GT/s	2.5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1288	BGA 1288
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i3-300 Mobile Series	Intel Core i3-300 Mobile Series
Processor codename	Arrandale	Arrandale
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	C2	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)	16	16
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	3 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 memory	8 GB	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
Graphics1 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 530v	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)	667 MHz	667 MHz
Audioidentical
Audio systemKnown for one	High Definition Audio	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
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	2.1+EDR	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	3	4
eSATA ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	No
Modem (RJ-11) portsDiffers	1	0
TV-out	No	No
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
TV-in portKnown for one	Unknown — not stated by the source	No
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
Serial 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
Operating system architectureKnown for one	32-bit	Unknown — not stated by the source
Processor special featuresidentical
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® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	No	No
Physical Address Extension (PAE)	Yes	Yes
Processor ARK ID	47663	47663
Processor code	SLBNF	SLBNF
Processor package size	rPGA 37.5x 37.5, BGA 34x28	rPGA 37.5x 37.5, BGA 34x28
Supported instruction sets	SSE4.1, SSE4.2	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	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	2.39 kg	2.61 kg
WidthDiffers	371.8 mm	381 mm
DepthDiffers	249.6 mm	247 mm
Height (front)Differs	2.77 cm	3.2 cm
Height (rear)Known for one	Unknown — not stated by the source	3.6 cm
Other features2 differ
Infrared data port	No	No
Internal modemDiffers	Yes	No
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
Modem typeKnown for one	V.92	Unknown — not stated by the source
Intel segment taggingDiffers	Enterprise	Home office, Small Business
Supplied AC adapter type	AC	AC
TV tuner integratedKnown for one	Unknown — not stated by the source	No
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.

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