Product comparison · 2 laptops

HP 645 G4 vs HP 755 G5

76specifications compared
21differ
55identical
36known for one product only

Key differences

Display diagonal
- 645 G4:35.6 cm (14")
- 755 G5:39.6 cm (15.6")
Processor family
- 645 G4:AMD Ryzen™ 5
- 755 G5:AMD Ryzen™ 7 PRO
Processor generation
- 645 G4:AMD Ryzen 2000 Series
- 755 G5:AMD Ryzen PRO 2000 Series
Processor model
- 645 G4:2500U
- 755 G5:2700U
Processor boost frequency
- 645 G4:3.6 GHz
- 755 G5:3.8 GHz
Processor frequency
- 645 G4:2 GHz
- 755 G5:2.2 GHz
Memory slots
- 645 G4:2x SO-DIMM
- 755 G5:1x SO-DIMM
Total storage capacity
- 645 G4:256 GB
- 755 G5:512 GB

Side by side

Differences highlightedShow differences only

Comparison of 645 G4, 755 G5
112 specifications	A HP 645 G4 View product	B HP 755 G5 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Silver	Silver
Form factor	Clamshell	Clamshell
Country of origin	China	China
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD type	Full HD	Full HD
Panel type	IPS	IPS
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Anti-glare screenKnown for one	Unknown — not stated by the source	Yes
Display brightnessKnown for one	Unknown — not stated by the source	400 cd/m²
Colour gamutKnown for one	Unknown — not stated by the source	100%
Display diagonal (metric)Known for one	Unknown — not stated by the source	39.6 cm
RGB colour spaceKnown for one	Unknown — not stated by the source	sRGB
Processor5 differ
Processor manufacturer	AMD	AMD
Processor familyDiffers	AMD Ryzen™ 5	AMD Ryzen™ 7 PRO
Processor generationDiffers	AMD Ryzen 2000 Series	AMD Ryzen PRO 2000 Series
Processor modelDiffers	2500U	2700U
Processor cores	4	4
Processor threads	8	8
Processor boost frequencyDiffers	3.6 GHz	3.8 GHz
Processor frequencyDiffers	2 GHz	2.2 GHz
Processor cacheKnown for one	Unknown — not stated by the source	6 MB
Processor cache typeKnown for one	Unknown — not stated by the source	L3
Memory1 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Memory clock speed	2400 MHz	2400 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)	1 x 8 GB	1 x 8 GB
Memory slotsDiffers	2x SO-DIMM	1x SO-DIMM
Maximum internal memory	32 GB	32 GB
ECCKnown for one	Unknown — not stated by the source	No
Storage4 differ
Total storage capacityDiffers	256 GB	512 GB
Storage media	SSD	SSD
Total SSDs capacityDiffers	256 GB	512 GB
Number of SSDs installed	1	1
SSD capacityDiffers	256 GB	512 GB
SSD memory typeKnown for one	Unknown — not stated by the source	TLC
NVMeKnown for one	Unknown — not stated by the source	Yes
SSD interfaceKnown for one	Unknown — not stated by the source	NVMe
SSD form factorKnown for one	Unknown — not stated by the source	M.2
Optical drive type	No	No
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	MicroSD (TransFlash)	Unknown — not stated by the source
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card family	AMD Radeon Vega Graphics	AMD Radeon Vega Graphics
On-board graphics card modelDiffers	AMD Radeon Vega 8	AMD Radeon Vega 10
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Bang & Olufsen
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera signal format	720p	720p
Front camera HD typeKnown for one	HD	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)	Wi-Fi 5 (802.11ac)
Wi-Fi standardsDiffers	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Antenna type	2x2	2x2
WLAN controller manufacturerKnown for one	Unknown — not stated by the source	Intel
WLAN controller modelKnown for one	Unknown — not stated by the source	Intel Dual Band Wireless-AC 8265
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.2	4.2
Ports & interfaces2 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	1	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
HDMI versionDiffers	1.4	2.0
DisplayPorts quantity	0	0
Thunderbolt 3 ports quantity	0	0
Combo headphone/mic port	Yes	Yes
Docking connector	Yes	Yes
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
Performanceidentical
Ambient light sensorKnown for one	Unknown — not stated by the source	Yes
Keyboard1 differ
Pointing device	Clickpad	Clickpad
Numeric keypadDiffers	No	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 10 Pro	Windows 10 Pro
Operating system architecture	64-bit	64-bit
Brand-specific featuresidentical
HP segment	Business	Business
HP JumpStartKnown for one	Yes	Unknown — not stated by the source
HP 3D DriveGuardKnown for one	Yes	Unknown — not stated by the source
HP speaker typeKnown for one	HP Dual Speakers	Unknown — not stated by the source
HP ePrintKnown for one	Yes	Unknown — not stated by the source
HP Recovery ManagerKnown for one	Yes	Unknown — not stated by the source
HP Support AssistantKnown for one	Yes	Unknown — not stated by the source
HP Smart AC AdapterKnown for one	Yes	Unknown — not stated by the source
HP front cameraKnown for one	HP Webcam	Unknown — not stated by the source
HP Security toolsKnown for one	HP BIOSphere Gen4; HP DriveLock and Automatic DriveLock;HP Secure Erase; HP Wireless Wakeup; HP Client Security Gen4; HP Password Manager; HP Fingerprint Reader;HP Sure Click; HP SureStart Gen4	Unknown — not stated by the source
HP Management toolsKnown for one	HP Driver Packs; HP System Software Manager (SSM); HP BIOS Config Utility (BCU); HP Client Catalog; HP Manageability Integration Kit Gen2	Unknown — not stated by the source
HP Software providedKnown for one	HP LAN Protection; HP Velocity;HP Hotkey Support;HP Noise Cancellation Software; HP PhoneWise;HP MAC Address Manager	Unknown — not stated by the source
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	3	3
Battery capacityDiffers	48 Wh	56 Wh
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	45 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificates	EPEAT Gold, ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	1.73 kg	1.98 kg
WidthDiffers	340 mm	370.8 mm
DepthDiffers	240 mm	251.7 mm
HeightDiffers	20.9 mm	18.3 mm
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84713000

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.

More laptop comparisons

All laptop comparisons