Product comparison · 2 laptops

HP 255 G6 + Business Top Load Case vs Lenovo ideapad 520 (15")

63specifications compared
33differ
30identical
119known for one product only

Key differences

Product colour
- 255 G6 + Business Top Load Case:Black
- ideapad 520 (15"):Grey
Display resolution
- 255 G6 + Business Top Load Case:1366 x 768 pixels
- ideapad 520 (15"):1920 x 1080 pixels
HD type
- 255 G6 + Business Top Load Case:HD
- ideapad 520 (15"):Full HD
Panel type
- 255 G6 + Business Top Load Case:SVA
- ideapad 520 (15"):IPS
Processor manufacturer
- 255 G6 + Business Top Load Case:AMD
- ideapad 520 (15"):Intel
Processor family
- 255 G6 + Business Top Load Case:AMD A6
- ideapad 520 (15"):Intel® Core™ i7
Processor model
- 255 G6 + Business Top Load Case:A6-9220
- ideapad 520 (15"):i7-7500U
Processor threads
- 255 G6 + Business Top Load Case:2
- ideapad 520 (15"):4

Side by side

Differences highlightedShow differences only

Comparison of 255 G6 + Business Top Load Case, ideapad 520 (15")
182 specifications	A HP 255 G6 + Business Top Load Case View product	B Lenovo ideapad 520 (15")View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	Grey
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Unknown — not stated by the source	Metal
Country of originKnown for one	China	Unknown — not stated by the source
Display3 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD typeDiffers	HD	Full HD
Panel typeDiffers	SVA	IPS
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Screen shapeKnown for one	Unknown — not stated by the source	Flat
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor9 differ
Processor manufacturerDiffers	AMD	Intel
Processor familyDiffers	AMD A6	Intel® Core™ i7
Processor generationDiffers	7th Generation AMD A6-Series APUs	7th gen Intel® Core™ i7
Processor modelDiffers	A6-9220	i7-7500U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyDiffers	2.9 GHz	3.5 GHz
Processor frequencyDiffers	2.5 GHz	2.7 GHz
System bus rateKnown for one	Unknown — not stated by the source	4 GT/s
Processor cacheDiffers	1 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	BGA 1356
Processor lithographyKnown for one	Unknown — not stated by the source	14 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor codenameKnown for one	Unknown — not stated by the source	Kaby Lake
Bus typeKnown for one	Unknown — not stated by the source	OPI
SteppingKnown for one	Unknown — not stated by the source	H0
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	15 W
Configurable TDP-up frequencyKnown for one	Unknown — not stated by the source	2.9 GHz
Configurable TDP-upKnown for one	Unknown — not stated by the source	25 W
Configurable TDP-downKnown for one	Unknown — not stated by the source	7.5 W
Configurable TDP-down frequencyKnown for one	Unknown — not stated by the source	0.8 GHz
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	12
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x2+2x1, 1x4, 2x2, 4x1
PCI Express slots versionKnown for one	Unknown — not stated by the source	3.0
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory3 differ
Internal memoryDiffers	4 GB	12 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Memory clock speedDiffers	1866 MHz	2133 MHz
Memory form factorKnown for one	Unknown — not stated by the source	On-board + SO-DIMM
Memory slotsKnown for one	Unknown — not stated by the source	1x SO-DIMM
Maximum internal memoryDiffers	8 GB	16 GB
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	16 GB
Memory layout (slots x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	256 GB	1 TB
Storage mediaDiffers	SSD	HDD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	1 TB
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD, SDHC, SDXC	MMC, 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
SSD form factorKnown for one	M.2	Unknown — not stated by the source
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	4 GB
On-board graphics card modelDiffers	AMD Radeon R4	Intel® HD Graphics 620
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	32 GB
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	300 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1050 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12.0
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	0x5916
Number of discrete graphics cards installedKnown for one	Unknown — not stated by the source	1
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card familyKnown for one	AMD Radeon R4	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Dolby Audio
Number of built-in speakers	2	2
Speakers manufacturerKnown for one	Unknown — not stated by the source	Harman Kardon
Speaker powerKnown for one	Unknown — not stated by the source	2 W
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
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Front camera signal formatKnown for one	Unknown — not stated by the source	720p
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionDiffers	4.2	4.1
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	Unknown — not stated by the source	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
Thunderbolt ports quantity	0	0
Thunderbolt 3 ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputsKnown for one	Unknown — not stated by the source	0
Combo headphone/mic port	Yes	Yes
Microphone inKnown for one	Unknown — not stated by the source	No
HDMI versionKnown for one	1.4b	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel SoC
Keyboardidentical
Pointing device	Touchpad	Touchpad
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Numeric keypad	Yes	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 10 Pro	Windows 10 Home
Operating system architecture	64-bit	64-bit
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	Yes
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	14 nm
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Software Guard Extensions (Intel SGX)Known for one	Unknown — not stated by the source	Yes
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	No
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	0.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	0.00
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Insider™Known for one	Unknown — not stated by the source	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	Yes
Intel® OS GuardKnown for one	Unknown — not stated by the source	Yes
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Secure KeyKnown 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
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	2.0
Processor ARK IDKnown for one	Unknown — not stated by the source	95451
Processor codeKnown for one	Unknown — not stated by the source	SR2ZV
Processor package sizeKnown for one	Unknown — not stated by the source	42 x 24 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processorKnown for one	Unknown — not stated by the source	Yes
Battery3 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	3	2
Battery capacityDiffers	31 Wh	35 Wh
Battery life (max)Known for one	Unknown — not stated by the source	5 h
Power1 differ
AC adapter powerDiffers	45 W	65 W
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)Differs	Yes	No
Password protectionKnown for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Power on, Supervisor
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	1.86 kg	2.2 kg
WidthDiffers	380 mm	378 mm
DepthDiffers	253.8 mm	260 mm
HeightDiffers	23.8 mm	22 mm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes

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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