Product comparison · 2 laptops

Acer Aspire Switch 11 SW5-171P-87GQ Intel® Core™ i5 i5-4202Y Hybrid (2-in-1) vs Lenovo Z51 Intel® Core™ i7 i7-5500U Laptop

137specifications compared
62differ
75identical
47known for one product only

Key differences

Product type
- Aspire Switch 11 SW5-171P-87GQ Intel® Core™ i5 i5-4202Y Hybrid (2-in-1):Hybrid (2-in-1)
- Z51 Intel® Core™ i7 i7-5500U Laptop:Laptop
Product colour
- Aspire Switch 11 SW5-171P-87GQ Intel® Core™ i5 i5-4202Y Hybrid (2-in-1):Silver
- Z51 Intel® Core™ i7 i7-5500U Laptop:Black
Form factor
- Aspire Switch 11 SW5-171P-87GQ Intel® Core™ i5 i5-4202Y Hybrid (2-in-1):Convertible (Detachable)
- Z51 Intel® Core™ i7 i7-5500U Laptop:Clamshell
Display diagonal
- Aspire Switch 11 SW5-171P-87GQ Intel® Core™ i5 i5-4202Y Hybrid (2-in-1):29.5 cm (11.6")
- Z51 Intel® Core™ i7 i7-5500U Laptop:39.6 cm (15.6")
Touchscreen
- Aspire Switch 11 SW5-171P-87GQ Intel® Core™ i5 i5-4202Y Hybrid (2-in-1):Yes
- Z51 Intel® Core™ i7 i7-5500U Laptop:No
Processor family
- Aspire Switch 11 SW5-171P-87GQ Intel® Core™ i5 i5-4202Y Hybrid (2-in-1):Intel® Core™ i5
- Z51 Intel® Core™ i7 i7-5500U Laptop:Intel® Core™ i7
Processor generation
- Aspire Switch 11 SW5-171P-87GQ Intel® Core™ i5 i5-4202Y Hybrid (2-in-1):4th gen Intel® Core™ i5
- Z51 Intel® Core™ i7 i7-5500U Laptop:5th gen Intel® Core™ i7
Processor model
- Aspire Switch 11 SW5-171P-87GQ Intel® Core™ i5 i5-4202Y Hybrid (2-in-1):i5-4202Y
- Z51 Intel® Core™ i7 i7-5500U Laptop:i7-5500U

Side by side

Differences highlightedShow differences only

Comparison of SW5-171P-87GQ, Z51
184 specifications	A Acer Aspire Switch 11 SW5-171P-87GQ Intel® Core™ i5 i5-4202Y Hybrid (2-in-1) Model SW5-171P-87GQ View product	B Lenovo Z51 Intel® Core™ i7 i7-5500U Laptop Model Z51 View product
Design3 differ
Product typeDiffers	Hybrid (2-in-1)	Laptop
Product colourDiffers	Silver	Black
Form factorDiffers	Convertible (Detachable)	Clamshell
Display2 differ
Display diagonalDiffers	29.5 cm (11.6")	39.6 cm (15.6")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
TouchscreenDiffers	Yes	No
HD type	Full HD	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	200 cd/m²
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	4th gen Intel® Core™ i5	5th gen Intel® Core™ i7
Processor modelDiffers	i5-4202Y	i7-5500U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2 GHz	3 GHz
Processor frequencyDiffers	1.6 GHz	2.4 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	3 MB	4 MB
Processor cache typeDiffers	Smart Cache	L3
Processor socket	BGA 1168	BGA 1168
Processor lithographyDiffers	22 nm	14 nm
Processor operating modesDiffers	64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Core i5-4200 Mobile series	Intel Core i7-5500 Mobile Series
Processor codenameDiffers	Haswell	Broadwell
Bus type	DMI2	DMI2
FSB Parity	No	No
SteppingDiffers	D0	F0
Thermal Design Power (TDP)Differs	11.5 W	15 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	0.6 GHz
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurations	4x1, 2x4	4x1, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Scenario Design Power (SDP)Known for one	4.5 W	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory typeDiffers	LPDDR3-SDRAM	DDR3L-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 8 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	16 GB
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	16 GB
Storage4 differ
Total storage capacityDiffers	128 GB	1 TB
Storage mediaDiffers	SSD	Hybrid-HDD
Optical drive typeDiffers	No	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MicroSD (TransFlash), MicroSDXC	MMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one	0	Unknown — not stated by the source
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	128 GB	Unknown — not stated by the source
SSD interfaceKnown for one	SATA III	Unknown — not stated by the source
Graphics8 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	AMD Radeon R9 M375
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4200	Intel® HD Graphics 5500
Maximum on-board graphics card memoryDiffers	1.74 GB	16 GB
On-board graphics card base frequencyDiffers	200 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	850 MHz	950 MHz
On-board graphics card DirectX versionDiffers	11.1	11.2
On-board graphics card IDDiffers	0x402	0x1616
Number of discrete graphics cards installedKnown for one	Unknown — not stated by the source	1
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Dolby Home Theater
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speakers manufacturerKnown for one	Unknown — not stated by the source	JBL
Speaker powerKnown for one	Unknown — not stated by the source	2.5 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
Optical driveidentical
LightScribe	No	No
Network2 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	No	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Ports & interfaces5 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	2
Ethernet LAN (RJ-45) portsDiffers	0	1
HDMI ports quantityDiffers	0	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Thunderbolt ports quantity	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Docking connectorDiffers	Yes	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Micro HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Headphone outputsKnown for one	0	Unknown — not stated by the source
Microphone inKnown for one	No	Unknown — not stated by the source
Total number of SATA connectorsKnown for one	4	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	4	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel SoC
Keyboard1 differ
Keyboard backlitKnown for one	Unknown — not stated by the source	No
Numeric keypadDiffers	No	Yes
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keys	Yes	Yes
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8.1 Pro	Windows 8.1
Operating system architecture	64-bit	64-bit
Processor special features13 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 lithographyKnown for one	Unknown — not stated by the source	14 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	No	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage TechnologyDiffers	Yes	No
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) version	1.00	1.00
Intel Smart Response Technology version	1.00	1.00
Intel Stable Image Platform Program (SIPP)	No	No
Intel Stable Image Platform Program (SIPP) version	0.00	0.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® OS GuardKnown for one	Unknown — not stated by the source	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	No	Yes
Intel® Smart Cache	Yes	Yes
Intel® Smart Response Technology	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Intel® Virtualization Technology (Intel® VT)Differs	VT-x	VT-d, VT-x
Processor ARK IDDiffers	76610	85214
Processor codeDiffers	SR190	SR23W
Processor package sizeDiffers	40 x 24 x 1.5 mm	40 x 24 x 1.3 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel ME Firmware VersionKnown for one	9.5	Unknown — not stated by the source
Intel Smart Connect TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Smart Connect Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
Intel® Matrix Storage Technology (Intel® MST)Known for one	No	Unknown — not stated by the source
UARTKnown for one	Yes	Unknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers	3	4
Battery capacityDiffers	2850 mAh	41 Wh
Battery technologyKnown for one	Lithium Polymer (LiPo)	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	45 W	65 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Fingerprint reader	No	No
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Silver, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	1.55 kg	2.3 kg
WidthDiffers	298 mm	384 mm
DepthDiffers	205.4 mm	265 mm
HeightDiffers	25 mm	24.6 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Stylus penKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	AC	Unknown — not stated by the source
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source

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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