Product comparison · 2 laptops

HP ProBook 4720s + XN819EA vs Lenovo L512 + ThinkPad Port Replicator Series 3

120specifications compared
30differ
90identical
17known for one product only

Key differences

Display diagonal
- ProBook 4720s + XN819EA:43.9 cm (17.3")
- L512 + ThinkPad Port Replicator Series 3:39.6 cm (15.6")
Display resolution
- ProBook 4720s + XN819EA:1600 x 900 pixels
- L512 + ThinkPad Port Replicator Series 3:1366 x 768 pixels
Processor family
- ProBook 4720s + XN819EA:Intel® Core™ i3
- L512 + ThinkPad Port Replicator Series 3:Intel® Core™ i5
Processor generation
- ProBook 4720s + XN819EA:Intel® Core™ i3
- L512 + ThinkPad Port Replicator Series 3:4th gen Intel® Core™ i5
Processor model
- ProBook 4720s + XN819EA:i3-370M
- L512 + ThinkPad Port Replicator Series 3:i5-480M
Processor frequency
- ProBook 4720s + XN819EA:2.4 GHz
- L512 + ThinkPad Port Replicator Series 3:2.66 GHz
Processor socket
- ProBook 4720s + XN819EA:Socket 988
- L512 + ThinkPad Port Replicator Series 3:BGA 1288
Tjunction
- ProBook 4720s + XN819EA:90 °C
- L512 + ThinkPad Port Replicator Series 3:105 °C

Side by side

Differences highlightedShow differences only

Comparison of ProBook 4720s + XN819EA, L512 + ThinkPad Port Replicator Series 3
137 specifications	A HP ProBook 4720s + XN819EA View product	B Lenovo L512 + ThinkPad Port Replicator Series 3 View product
Designidentical
Country of originKnown for one	China	Unknown — not stated by the source
Display2 differ
Display diagonalDiffers	43.9 cm (17.3")	39.6 cm (15.6")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
HD typeKnown for one	HD+	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
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
Processor8 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	Intel® Core™ i3	4th gen Intel® Core™ i5
Processor modelDiffers	i3-370M	i5-480M
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	2.4 GHz	2.66 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 socketDiffers	Socket 988	BGA 1288
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-300 Mobile Series	Intel Core i5-400 Series
Processor codename	Arrandale	Arrandale
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	K0	K0
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	90 °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	20
ECC supported by processor	No	No
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.93 GHz
Memory2 differ
Internal memoryDiffers	3 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Memory layout (slots x size)Differs	1 x 1 + 1 x 2 GB	2 x 2 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storage3 differ
Total storage capacity	320 GB	320 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, xD
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 Mobilty Radeon HD 4330	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	667 MHz	766 MHz
Audioidentical
Audio system	High Definition Audio	High Definition Audio
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 LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Ports & interfaces1 differ
USB 2.0 ports quantity	3	3
eSATA ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
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 connectorDiffers	No	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	Yes	Yes
TV-in port	No	No
TV-out	No	No
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Performanceidentical
Motherboard chipsetKnown for one	Intel® HM57 Express	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Processor special features3 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® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	1.0
Physical Address Extension (PAE)	Yes	Yes
Processor ARK IDDiffers	49020	52952
Processor codeDiffers	SLBUK	SLC26
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
Battery2 differ
Number of battery cellsDiffers	8	6
Battery life (max)Differs	6 h	4.7 h
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	Kensington	IBM
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.97 kg	2.56 kg
WidthDiffers	411 mm	380 mm
DepthDiffers	266 mm	247 mm
Height (front)Differs	2.82 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
Intel segment taggingDiffers	Enterprise	Home office, Small Business
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	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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