Product comparison · 2 laptops

HP 640 G4 + UltraSlim Docking Station vs HP 820 G4 + Essential 15.6-inch Case, Keyboard & Mouse

146specifications compared
43differ
103identical
18known for one product only

Key differences

Display diagonal
- 640 G4 + UltraSlim Docking Station:35.6 cm (14")
- 820 G4 + Essential 15.6-inch Case, Keyboard & Mouse:31.8 cm (12.5")
Display resolution
- 640 G4 + UltraSlim Docking Station:1920 x 1080 pixels
- 820 G4 + Essential 15.6-inch Case, Keyboard & Mouse:1366 x 768 pixels
HD type
- 640 G4 + UltraSlim Docking Station:Full HD
- 820 G4 + Essential 15.6-inch Case, Keyboard & Mouse:HD
Panel type
- 640 G4 + UltraSlim Docking Station:IPS
- 820 G4 + Essential 15.6-inch Case, Keyboard & Mouse:SVA
Processor generation
- 640 G4 + UltraSlim Docking Station:8th gen Intel® Core™ i5
- 820 G4 + Essential 15.6-inch Case, Keyboard & Mouse:7th gen Intel® Core™ i5
Processor model
- 640 G4 + UltraSlim Docking Station:i5-8350U
- 820 G4 + Essential 15.6-inch Case, Keyboard & Mouse:i5-7200U
Processor cores
- 640 G4 + UltraSlim Docking Station:4
- 820 G4 + Essential 15.6-inch Case, Keyboard & Mouse:2
Processor threads
- 640 G4 + UltraSlim Docking Station:8
- 820 G4 + Essential 15.6-inch Case, Keyboard & Mouse:4

Side by side

Differences highlightedShow differences only

Comparison of 640 G4 + UltraSlim Docking Station, 820 G4 + Essential 15.6-inch Case, Keyboard & Mouse
164 specifications	A HP 640 G4 + UltraSlim Docking Station View product	B HP 820 G4 + Essential 15.6-inch Case, Keyboard & Mouse View product
Display4 differ
Display diagonalDiffers	35.6 cm (14")	31.8 cm (12.5")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
HD typeDiffers	Full HD	HD
Panel typeDiffers	IPS	SVA
Dual-screenKnown for one	No	Unknown — not stated by the source
Processor11 differ
Processor generationDiffers	8th gen Intel® Core™ i5	7th gen Intel® Core™ i5
Processor modelDiffers	i5-8350U	i5-7200U
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.6 GHz	3.1 GHz
Processor frequencyDiffers	1.7 GHz	2.5 GHz
Processor cacheDiffers	6 MB	3 MB
Processor codenameDiffers	Kaby Lake R	Kaby Lake
SteppingDiffers	Y0	H0
Configurable TDP-up frequencyDiffers	1.9 GHz	2.7 GHz
Configurable TDP-downDiffers	10 W	7.5 W
Memory3 differ
Internal memoryDiffers	8 GB	4 GB
Memory clock speedDiffers	2400 MHz	2133 MHz
Memory layout (slots x size)Differs	1 x 8 GB	1 x 4 GB
Storage3 differ
Total storage capacityDiffers	256 GB	500 GB
Storage mediaDiffers	SSD	Hybrid-HDD
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Hybrid-HDD cache typeKnown for one	Unknown — not stated by the source	Flash
Hybrid-HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	8 GB
Compatible memory cardsDiffers	MicroSD (TransFlash)	SD, SDHC, SDXC
Total SSDs capacityKnown for one	256 GB	Unknown — not stated by the source
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	256 GB	Unknown — not stated by the source
NVMeKnown for one	Yes	Unknown — not stated by the source
SSD interfaceKnown for one	NVMe 3.0, PCI Express	Unknown — not stated by the source
Graphics4 differ
On-board graphics card familyDiffers	Intel® UHD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® UHD Graphics 620	Intel® HD Graphics 620
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1000 MHz
On-board graphics card IDDiffers	0x5917	0x5916
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Bang & Olufsen
Networkidentical
Near Field Communication (NFC)Known for one	Unknown — not stated by the source	Yes
Ports & interfaces3 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	2
HDMI ports quantityDiffers	1	0
DisplayPorts quantityDiffers	0	1
HDMI versionKnown for one	1.4	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	Clickpad	Touchpad
Processor special features7 differ
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	14 nm
Intel Stable Image Platform Program (SIPP)Differs	Yes	No
Intel Stable Image Platform Program (SIPP) versionDiffers	1.00	0.00
Intel TSX-NIDiffers	Yes	No
Intel TSX-NI versionDiffers	1.00	0.00
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel® Insider™Known for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	124969	95443
Processor codeDiffers	SR3L9	SR2ZU
Battery2 differ
Battery capacityDiffers	48 Wh	49 Wh
Battery life (max)Differs	13.7 h	14.7 h
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Gold, ENERGY STAR	ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	1.73 kg	1.26 kg
WidthDiffers	340 mm	310 mm
DepthDiffers	240 mm	218.9 mm
HeightDiffers	20.9 mm	18.9 mm

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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