Product comparison · 2 laptops

HP 640 G2 + 3 year NBD Onsite Hardware Support vs HP 840 G3 + UltraSlim Docking Station + 3 year NBD Onsite Hardware Support w/Travel Coverage f/Notebooks

Key differences

Product type
- 640 G2 + 3 year NBD Onsite Hardware Support:Laptop
- 840 G3 + UltraSlim Docking Station + 3 year NBD Onsite Hardware Support w/Travel Coverage f/Notebooks:Ultrabook
Optical drive type
- 640 G2 + 3 year NBD Onsite Hardware Support:DVD Super Multi DL
- 840 G3 + UltraSlim Docking Station + 3 year NBD Onsite Hardware Support w/Travel Coverage f/Notebooks:No
Bluetooth version
- 640 G2 + 3 year NBD Onsite Hardware Support:4.0
- 840 G3 + UltraSlim Docking Station + 3 year NBD Onsite Hardware Support w/Travel Coverage f/Notebooks:4.2
Operating system installed
- 640 G2 + 3 year NBD Onsite Hardware Support:Windows 7 Professional
- 840 G3 + UltraSlim Docking Station + 3 year NBD Onsite Hardware Support w/Travel Coverage f/Notebooks:Windows 10 Pro
Battery technology
- 640 G2 + 3 year NBD Onsite Hardware Support:Lithium-Ion (Li-Ion)
- 840 G3 + UltraSlim Docking Station + 3 year NBD Onsite Hardware Support w/Travel Coverage f/Notebooks:Lithium Polymer (LiPo)
Battery capacity
- 640 G2 + 3 year NBD Onsite Hardware Support:48 Wh
- 840 G3 + UltraSlim Docking Station + 3 year NBD Onsite Hardware Support w/Travel Coverage f/Notebooks:46 Wh
Weight
- 640 G2 + 3 year NBD Onsite Hardware Support:1.95 kg
- 840 G3 + UltraSlim Docking Station + 3 year NBD Onsite Hardware Support w/Travel Coverage f/Notebooks:1.54 kg
Width
- 640 G2 + 3 year NBD Onsite Hardware Support:340 mm
- 840 G3 + UltraSlim Docking Station + 3 year NBD Onsite Hardware Support w/Travel Coverage f/Notebooks:338 mm

Differences highlightedShow differences only

Comparison of 640 G2 + 3 year NBD Onsite Hardware Support, 840 G3 + UltraSlim Docking Station + 3 year NBD Onsite Hardware Support w/Travel Coverage f/Notebooks
155 specifications	A HP 640 G2 + 3 year NBD Onsite Hardware Support View product	B HP 840 G3 + UltraSlim Docking Station + 3 year NBD Onsite Hardware Support w/Travel Coverage f/Notebooks View product
Design1 differ
Product typeDiffers	Laptop	Ultrabook
Storage1 differ
Optical drive typeDiffers	DVD Super Multi DL	No
Audioidentical
Audio decodersKnown for one	DTS Studio Sound	Unknown — not stated by the source
Speakers manufacturerKnown for one	Unknown — not stated by the source	Bang & Olufsen
Cameraidentical
Front camera signal formatKnown for one	720p	Unknown — not stated by the source
Network1 differ
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Bluetooth versionDiffers	4.0	4.2
Keyboardidentical
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 10 Pro
Recovery operating systemKnown for one	Windows 10 Pro	Unknown — not stated by the source
Battery2 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Battery capacityDiffers	48 Wh	46 Wh
Weight & dimensions3 differ
WeightDiffers	1.95 kg	1.54 kg
WidthDiffers	340 mm	338 mm
HeightDiffers	27 mm	18.9 mm
Other features1 differ
Intel segment taggingDiffers	Enterprise	Home office, Small Business

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.