Product comparison · 2 laptops

HP 15-ac181nd Intel® Pentium® 3825U Laptop vs Lenovo P40 Yoga DOS US

151specifications compared
78differ
73identical
100known for one product only

Key differences

Product type
- 15-ac181nd Intel® Pentium® 3825U Laptop:Laptop
- P40 Yoga DOS US:Ultrabook
Product colour
- 15-ac181nd Intel® Pentium® 3825U Laptop:Silver
- P40 Yoga DOS US:Black
Form factor
- 15-ac181nd Intel® Pentium® 3825U Laptop:Clamshell
- P40 Yoga DOS US:Convertible (Folder)
Display diagonal
- 15-ac181nd Intel® Pentium® 3825U Laptop:39.6 cm (15.6")
- P40 Yoga DOS US:35.6 cm (14")
Display resolution
- 15-ac181nd Intel® Pentium® 3825U Laptop:1366 x 768 pixels
- P40 Yoga DOS US:1920 x 1080 pixels
Touchscreen
- 15-ac181nd Intel® Pentium® 3825U Laptop:No
- P40 Yoga DOS US:Yes
HD type
- 15-ac181nd Intel® Pentium® 3825U Laptop:HD
- P40 Yoga DOS US:Full HD
Display surface
- 15-ac181nd Intel® Pentium® 3825U Laptop:Gloss
- P40 Yoga DOS US:Matt

Side by side

Differences highlightedShow differences only

Comparison of 15-ac181nd, P40 Yoga DOS US
251 specifications	A HP 15-ac181nd Intel® Pentium® 3825U Laptop Model 15-ac181nd View product	B Lenovo P40 Yoga DOS US View product
Design3 differ
Product typeDiffers	Laptop	Ultrabook
Product colourDiffers	Silver	Black
Form factorDiffers	Clamshell	Convertible (Folder)
Country of originKnown for one	China	Unknown — not stated by the source
Housing materialKnown for one	Unknown — not stated by the source	Carbon fibre
Display5 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
TouchscreenDiffers	No	Yes
HD typeDiffers	HD	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceDiffers	Gloss	Matt
Touchscreen typeKnown for one	Unknown — not stated by the source	Capacitive
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Panel typeKnown for one	Unknown — not stated by the source	IPS
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	700:1
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i7
Processor modelDiffers	3825U	i7-6500U
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	1.9 GHz	2.5 GHz
System bus rateDiffers	5 GT/s	4 GT/s
Processor cacheDiffers	2 MB	4 MB
Processor cache typeDiffers	L3	Smart Cache
Processor socketDiffers	BGA 1168	LGA 1356 (Socket B2)
Processor lithography	14 nm	14 nm
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor seriesDiffers	Intel Pentium 3000 series for Mobile	Intel Core i7-6500 Mobile series
Processor codenameDiffers	Broadwell	Skylake
Bus typeDiffers	DMI2	OPI
FSB Parity	No	No
SteppingDiffers	F0	D1
Thermal Design Power (TDP)	15 W	15 W
Configurable TDP-downDiffers	10 W	7.5 W
Configurable TDP-down frequencyDiffers	0.6 GHz	0.8 GHz
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurationsDiffers	2x4, 4x1	1x4, 4x1
PCI Express slots versionDiffers	2.0	3.0
ECC supported by processor	No	No
Processor generationKnown for one	Unknown — not stated by the source	6th gen Intel® Core™ i7
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.1 GHz
Configurable TDP-up frequencyKnown for one	Unknown — not stated by the source	2.6 GHz
Configurable TDP-upKnown for one	Unknown — not stated by the source	25 W
Memory3 differ
Internal memoryDiffers	4 GB	16 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Differs	1 x 4 GB	1 x 16 GB
Maximum internal memoryDiffers	8 GB	16 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory slotsKnown for one	Unknown — not stated by the source	1x SO-DIMM
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	16 GB
Storage4 differ
Total storage capacityDiffers	1 TB	512 GB
Storage mediaDiffers	HDD	SSD
Total HDDs capacityKnown for one	1 TB	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	1 TB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	512 GB
SSD interfaceKnown for one	Unknown — not stated by the source	SATA III
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® Quadro® M500M
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 520
On-board graphics card base frequency	300 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	850 MHz	1050 MHz
On-board graphics card DirectX versionDiffers	11.2/12	12.0
Number of discrete graphics cards installedDiffers	0	1
Number of discrete graphics cards supportedKnown for one	1	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR3
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.4
On-board graphics card IDKnown for one	Unknown — not stated by the source	1916
Graphics card Open GL supportKnown for one	Unknown — not stated by the source	Yes
Audio1 differ
Audio systemDiffers	DTS Studio Sound	HD
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Cameraidentical
Front camera	Yes	Yes
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Network3 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	Yes	No
Ethernet LAN data ratesKnown for one	10,100 Mbit/s	Unknown — not stated by the source
BluetoothDiffers	No	Yes
Near Field Communication (NFC)Known for one	No	Unknown — not stated by the source
WWANKnown for one	Not installed	Unknown — not stated by the source
Bluetooth versionKnown for one	Unknown — not stated by the source	4.1
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
Micro-USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
Micro-USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	1	0
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Thunderbolt ports quantity	0	0
Thunderbolt 2 ports quantityKnown for one	0	Unknown — not stated by the source
Thunderbolt 3 ports quantityKnown for one	0	Unknown — not stated by the source
Thunderbolt™ 3 TechnologyKnown for one	No	Unknown — not stated by the source
Headphone outputs	1	1
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Combo headphone/mic port	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-ChargeKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-Charge portsKnown for one	Unknown — not stated by the source	1
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	Yes	No
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Keyboard layout	QWERTY	QWERTY
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Keyboard languageKnown for one	Unknown — not stated by the source	US English
Software1 differ
Operating system installedDiffers	Windows 10 Home	FreeDOS
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features19 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	14 nm	14 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	No	No
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory Access	Yes	Yes
Intel HD Graphics	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel QuickPath InterconnectKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage Technology	No	No
Intel RealSense 3D CameraKnown for one	No	Unknown — not stated by the source
Intel RealSense SnapshotKnown for one	No	Unknown — not stated by the source
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionDiffers	0.00	1.00
Intel Smart Connect TechnologyKnown for one	No	Unknown — not stated by the source
Intel Smart Response Technology versionDiffers	0.00	1.00
Intel Software Guard Extensions (Intel SGX)Differs	No	Yes
Intel Stable Image Platform Program (SIPP)	No	No
Intel TSX-NI	No	No
Intel TSX-NI versionDiffers	0.00	1.00
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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Active Management Technology (Intel® AMT)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Built-in Visuals Technology	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	Yes
Intel® High Definition Audio (Intel® HD Audio)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® Matrix Storage Technology (Intel® MST)Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® OS GuardDiffers	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyKnown for one	No	Unknown — not stated by the source
Intel® RealSense TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	No	Yes
Intel® Smart CacheDiffers	No	Yes
Intel® Smart Response TechnologyDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Virtualization Technology (Intel® VT)Known for one	VT-d, VT-x	Unknown — not stated by the source
Processor ARK IDDiffers	86348	88194
Processor codeDiffers	SR24B	SR2EZ
Processor package sizeDiffers	40 x 24 x 1.3 mm	42 X 24 mm
Supported instruction setsDiffers	SSE4.1, SSE4.2	SSE4.1, SSE4.2, AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
UARTKnown for one	No	Unknown — not stated by the source
Conflict-Free processor	Yes	Yes
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	0.00
Battery3 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	4	3
Battery capacityDiffers	41 Wh	53 Wh
Battery life (max)Known for one	Unknown — not stated by the source	8 h
Power1 differ
AC adapter powerDiffers	45 W	65 W
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
Power auto-sensingKnown for one	Yes	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Password protection	Yes	Yes
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Power on, Supervisor
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-15 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 80%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Operating altitudeKnown for one	0 - 3050 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	0 - 4570 m	Unknown — not stated by the source
Operating shockKnown for one	40 G	Unknown — not stated by the source
Non-operating shockKnown for one	240 G	Unknown — not stated by the source
Operating vibrationKnown for one	1.043 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	3.5 G	Unknown — not stated by the source
Certificatesidentical
Compliance certificates	RoHS	RoHS
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Silver, ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	2.19 kg	1.8 kg
WidthDiffers	384.3 mm	338 mm
DepthDiffers	254.6 mm	236.3 mm
HeightDiffers	24.3 mm	19.9 mm
Packaging dataidentical
Package widthKnown for one	470 mm	Unknown — not stated by the source
Package depthKnown for one	294 mm	Unknown — not stated by the source
Package heightKnown for one	76 mm	Unknown — not stated by the source
Package weightKnown for one	3 kg	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Stylus penKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
3D	No	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Professional
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel SoC

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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