Product comparison · 2 laptops

HP ProBook 4515s + VP355AA vs HP ProBook 4720s Notebook PC

58specifications compared
16differ
42identical
85known for one product only

Key differences

Display diagonal
- ProBook 4515s + VP355AA:39.6 cm (15.6")
- ProBook 4720s Notebook PC:43.9 cm (17.3")
Display resolution
- ProBook 4515s + VP355AA:1366 x 768 pixels
- ProBook 4720s Notebook PC:1600 x 900 pixels
Processor model
- ProBook 4515s + VP355AA:M520
- ProBook 4720s Notebook PC:i3-350M
Processor frequency
- ProBook 4515s + VP355AA:2.3 GHz
- ProBook 4720s Notebook PC:2.26 GHz
Processor cache
- ProBook 4515s + VP355AA:1 MB
- ProBook 4720s Notebook PC:3 MB
Processor cache type
- ProBook 4515s + VP355AA:L2
- ProBook 4720s Notebook PC:Smart Cache
Internal memory type
- ProBook 4515s + VP355AA:DDR2-SDRAM
- ProBook 4720s Notebook PC:DDR3-SDRAM
HDD interface
- ProBook 4515s + VP355AA:SATA
- ProBook 4720s Notebook PC:SATA II

Side by side

Differences highlightedShow differences only

Comparison of ProBook 4515s + VP355AA, ProBook 4720s Notebook PC
143 specifications	A HP ProBook 4515s + VP355AA View product	B HP ProBook 4720s Notebook PC View product
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Country of origin	China	China
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	43.9 cm (17.3")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
HD typeKnown for one	Unknown — not stated by the source	HD+
LED backlightKnown for one	Unknown — not stated by the source	Yes
Native aspect ratio	16:9	16:9
Processor4 differ
Processor manufacturerKnown for one	Unknown — not stated by the source	Intel
Processor familyKnown for one	Unknown — not stated by the source	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	3rd gen Intel® Core™ i3
Processor modelDiffers	M520	i3-350M
Processor coresKnown for one	Unknown — not stated by the source	2
Processor threadsKnown for one	Unknown — not stated by the source	4
Processor frequencyDiffers	2.3 GHz	2.26 GHz
System bus rateKnown for one	Unknown — not stated by the source	2.5 GT/s
Processor cacheDiffers	1 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	BGA 1288
Processor lithographyKnown for one	Unknown — not stated by the source	32 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core i3-300 Mobile Series
Processor codenameKnown for one	Unknown — not stated by the source	Arrandale
Bus typeKnown for one	Unknown — not stated by the source	DMI
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingKnown for one	Unknown — not stated by the source	C2
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	35 W
TjunctionKnown for one	Unknown — not stated by the source	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 TransistorsKnown for one	Unknown — not stated by the source	382 M
Processing Die sizeKnown for one	Unknown — not stated by the source	81 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	17
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory1 differ
Internal memory	3 GB	3 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory layout (slots x size)	1 x 1 + 1 x 2 GB	1 x 1 + 1 x 2 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Memory clock speedKnown for one	800 MHz	Unknown — not stated by the source
Storage1 differ
Total storage capacity	320 GB	320 GB
HDD interfaceDiffers	SATA	SATA II
HDD speed	7200 RPM	7200 RPM
Optical drive typeKnown for one	Unknown — not stated by the source	DVD Super Multi DL
Card reader integrated	Yes	Yes
Maximum HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Graphics1 differ
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Mobilty Radeon HD 4330	AMD Mobility Radeon HD 4330
Discrete graphics card memory	0.512 GB	0.512 GB
Graphics card family	AMD	AMD
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	667 MHz
Maximum graphics card memoryKnown for one	1.024 GB	Unknown — not stated by the source
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Number of built-in speakers	2	2
Optical driveidentical
LightScribe	Yes	Yes
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	4	3
eSATA ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
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 slot	Yes	Yes
TV-in port	No	No
TV-out	No	No
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® HM57 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Insider™Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	36 bit
Processor ARK IDKnown for one	Unknown — not stated by the source	43529
Processor codeKnown for one	Unknown — not stated by the source	SLBPL
Processor package sizeKnown for one	Unknown — not stated by the source	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.1, SSE4.2
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Battery1 differ
Number of battery cells	8	8
Battery life (max)Differs	4.1 h	6 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Weight & dimensions4 differ
WeightDiffers	2.59 kg	2.97 kg
WidthDiffers	371.8 mm	411 mm
DepthDiffers	249.6 mm	266 mm
Height (front)Differs	3.15 cm	2.82 cm
Hard driveidentical
Storage drive controllerKnown for one	Unknown — not stated by the source	SATA II (5400 rpm) SATA II (7200 rpm)
Other featuresidentical
Infrared data port	No	No
Internal modemKnown for one	Unknown — not stated by the source	No
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Modem typeKnown for one	Unknown — not stated by the source	No
Intel segment tagging	Enterprise	Enterprise
Supplied AC adapter type	AC	AC
Cameraidentical
Front cameraKnown for one	No	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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