Product comparison · 2 laptops

HP 15u G4 vs HP 21-N122AR laptop Intel® Pentium® N3540

87specifications compared
51differ
36identical
121known for one product only

Key differences

Product type
- 15u G4:Mobile workstation
- 21-N122AR laptop Intel® Pentium® N3540:Laptop
Product colour
- 15u G4:Black
- 21-N122AR laptop Intel® Pentium® N3540:Grey
Display diagonal
- 15u G4:39.6 cm (15.6")
- 21-N122AR laptop Intel® Pentium® N3540:35.6 cm (14")
Processor family
- 15u G4:Intel® Core™ i7
- 21-N122AR laptop Intel® Pentium® N3540:Intel® Pentium®
Processor model
- 15u G4:i7-7500U
- 21-N122AR laptop Intel® Pentium® N3540:N3540
Processor cores
- 15u G4:2
- 21-N122AR laptop Intel® Pentium® N3540:4
Processor boost frequency
- 15u G4:3.5 GHz
- 21-N122AR laptop Intel® Pentium® N3540:2.66 GHz
Processor frequency
- 15u G4:2.7 GHz
- 21-N122AR laptop Intel® Pentium® N3540:2.16 GHz

Side by side

Differences highlightedShow differences only

Comparison of 15u G4, 21-N122AR
208 specifications	A HP 15u G4 View product	B HP 21-N122AR laptop Intel® Pentium® N3540 Model 21-N122AR View product
Design2 differ
Product typeDiffers	Mobile workstation	Laptop
Product colourDiffers	Black	Grey
Form factor	Clamshell	Clamshell
Country of origin	China	China
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
Touchscreen	No	No
HD typeKnown for one	Full HD	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Pentium®
Processor generationKnown for one	7th gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-7500U	N3540
Processor coresDiffers	2	4
Processor threads	4	4
Processor boost frequencyDiffers	3.5 GHz	2.66 GHz
Processor frequencyDiffers	2.7 GHz	2.16 GHz
System bus rateKnown for one	4 GT/s	Unknown — not stated by the source
Processor cacheDiffers	4 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor socketDiffers	BGA 1356	BGA 1170
Processor lithographyDiffers	14 nm	22 nm
Processor operating modesDiffers	64-bit	32-bit, 64-bit
Processor codenameDiffers	Kaby Lake	Bay Trail
Bus typeKnown for one	OPI	Unknown — not stated by the source
SteppingDiffers	H0	C0
Thermal Design Power (TDP)Differs	15 W	7.5 W
Configurable TDP-up frequencyKnown for one	2.9 GHz	Unknown — not stated by the source
Configurable TDP-upKnown for one	25 W	Unknown — not stated by the source
Configurable TDP-downKnown for one	7.5 W	Unknown — not stated by the source
Configurable TDP-down frequencyKnown for one	0.8 GHz	Unknown — not stated by the source
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	12	4
PCI Express configurationsDiffers	1x2+2x1, 1x4, 2x2, 4x1	1x4
PCI Express slots versionDiffers	3.0	2.0
ECC supported by processor	No	No
Processor seriesKnown for one	Unknown — not stated by the source	Intel® Pentium N3000 Series for Mobile
Scenario Design Power (SDP)Known for one	Unknown — not stated by the source	4.5 W
Memory1 differ
Internal memoryDiffers	16 GB	4 GB
Internal memory typeKnown for one	DDR4-SDRAM	Unknown — not stated by the source
Memory clock speedKnown for one	2133 MHz	Unknown — not stated by the source
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Memory layout (slots x size)Known for one	1 x 16 GB	Unknown — not stated by the source
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	32 GB	Unknown — not stated by the source
Maximum internal memory (64-bit)Known for one	32 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	512 GB	500 GB
Storage mediaDiffers	SSD	HDD
Total SSDs capacityKnown for one	512 GB	Unknown — not stated by the source
Number of SSDs installedDiffers	1	0
SSD capacityKnown for one	512 GB	Unknown — not stated by the source
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	SD, SDHC, SDXC	Unknown — not stated by the source
Total HDDs capacityKnown for one	Unknown — not stated by the source	500 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	AMD FirePro W4190M	Not available
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR5	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 620	Intel® HD Graphics
Maximum on-board graphics card memoryKnown for one	32 GB	Unknown — not stated by the source
On-board graphics card base frequencyDiffers	300 MHz	313 MHz
On-board graphics card dynamic frequency (max)Differs	1050 MHz	896 MHz
On-board graphics card DirectX versionDiffers	12.0	11.2
On-board graphics card OpenGL versionKnown for one	4.4	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x5916	Unknown — not stated by the source
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Number of discrete graphics cards supportedKnown for one	1	Unknown — not stated by the source
Graphics card Open GL supportKnown for one	Yes	Unknown — not stated by the source
On-board graphics card burst frequencyKnown for one	Unknown — not stated by the source	896 MHz
Audioidentical
Audio systemKnown for one	B&O PLAY	Unknown — not stated by the source
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speakers manufacturerKnown for one	Bang & Olufsen	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1 MP
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Network2 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Wi-Fi standardsDiffers	Wi-Fi 5 (802.11ac)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	Yes	No
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
BluetoothKnown for one	Yes	Unknown — not stated by the source
Bluetooth versionKnown for one	4.2	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	0	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	1	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	1	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	0	1
DisplayPorts quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	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
Headphone outputsKnown for one	1	Unknown — not stated by the source
Combo headphone/mic port	Yes	Yes
Docking connector	No	No
SmartCard slotKnown for one	Yes	Unknown — not stated by the source
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	2
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Numeric keypadDiffers	Yes	No
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 10 Pro	Windows 10 Home
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features12 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 lithographyDiffers	14 nm	22 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel HD GraphicsKnown for one	Yes	Unknown — not stated by the source
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Connect TechnologyDiffers	No	Yes
Intel Smart Response Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Software Guard Extensions (Intel SGX)Known for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	No	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	0.00	Unknown — not stated by the source
Intel TSX-NIKnown for one	No	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	1.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
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 TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Yes	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® Matrix Storage Technology (Intel® MST)Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	Yes	Unknown — not stated by the source
Intel® OS GuardKnown for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	95451	82105
Processor codeDiffers	SR2EZ	SR1YW
Processor package sizeDiffers	42 x 24 mm	25 x 27 mm
Supported instruction setsKnown for one	AVX 2.0, SSE4.1, SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Conflict-Free processor	Yes	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsKnown for one	3	Unknown — not stated by the source
Battery capacityKnown for one	51 Wh	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
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 jack	Yes	Yes
Securityidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Silver, ENERGY STAR	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	1.9 kg	Unknown — not stated by the source
WidthKnown for one	383.3 mm	Unknown — not stated by the source
DepthKnown for one	257.7 mm	Unknown — not stated by the source
HeightKnown for one	19.9 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	Unknown — not stated by the source	AC
Other featuresidentical
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source
3DKnown for one	Unknown — not stated by the source	No

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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