Product comparison · 2 laptops

ASUS X555LD-XX039H laptop Intel® Core™ i7 i7-4510U vs Dynabook Z20t-C-11R Intel® Core™ m5 m5-6Y54 Ultrabook

128specifications compared
63differ
65identical
77known for one product only

Key differences

Product type
- X555LD-XX039H laptop Intel® Core™ i7 i7-4510U:Laptop
- Z20t-C-11R Intel® Core™ m5 m5-6Y54 Ultrabook:Ultrabook
Product colour
- X555LD-XX039H laptop Intel® Core™ i7 i7-4510U:Brown, Stainless steel
- Z20t-C-11R Intel® Core™ m5 m5-6Y54 Ultrabook:Black, Graphite
Form factor
- X555LD-XX039H laptop Intel® Core™ i7 i7-4510U:Clamshell
- Z20t-C-11R Intel® Core™ m5 m5-6Y54 Ultrabook:Convertible (Detachable)
Display diagonal
- X555LD-XX039H laptop Intel® Core™ i7 i7-4510U:39.6 cm (15.6")
- Z20t-C-11R Intel® Core™ m5 m5-6Y54 Ultrabook:31.8 cm (12.5")
Display resolution
- X555LD-XX039H laptop Intel® Core™ i7 i7-4510U:1366 x 768 pixels
- Z20t-C-11R Intel® Core™ m5 m5-6Y54 Ultrabook:1920 x 1080 pixels
Touchscreen
- X555LD-XX039H laptop Intel® Core™ i7 i7-4510U:No
- Z20t-C-11R Intel® Core™ m5 m5-6Y54 Ultrabook:Yes
Processor family
- X555LD-XX039H laptop Intel® Core™ i7 i7-4510U:Intel® Core™ i7
- Z20t-C-11R Intel® Core™ m5 m5-6Y54 Ultrabook:Intel® Core™ m5
Processor generation
- X555LD-XX039H laptop Intel® Core™ i7 i7-4510U:4th gen Intel® Core™ i7
- Z20t-C-11R Intel® Core™ m5 m5-6Y54 Ultrabook:6th gen Intel® Core™ m5

Side by side

Differences highlightedShow differences only

Comparison of X555LD-XX039H, Z20t-C-11R
205 specifications	A ASUS X555LD-XX039H laptop Intel® Core™ i7 i7-4510U Model X555LD-XX039H View product	B Dynabook Z20t-C-11R Intel® Core™ m5 m5-6Y54 Ultrabook Model Z20t-C-11R View product
Design3 differ
Product typeDiffers	Laptop	Ultrabook
Product colourDiffers	Brown, Stainless steel	Black, Graphite
Form factorDiffers	Clamshell	Convertible (Detachable)
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	31.8 cm (12.5")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
TouchscreenDiffers	No	Yes
Touchscreen typeKnown for one	Unknown — not stated by the source	Capacitive
HD typeKnown for one	Unknown — not stated by the source	Full HD
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Panel typeKnown for one	Unknown — not stated by the source	IPS
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ m5
Processor generationDiffers	4th gen Intel® Core™ i7	6th gen Intel® Core™ m5
Processor modelDiffers	i7-4510U	m5-6Y54
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3.1 GHz	2.7 GHz
Processor frequencyDiffers	2 GHz	1.1 GHz
Processor cache	4 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1168	BGA 1515
Processor lithographyDiffers	22 nm	14 nm
Processor operating modesDiffers	64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Core i7-4500 Mobile series	Intel Core m5-6Y Series
Processor codenameDiffers	Haswell	Skylake
Bus typeDiffers	DMI2	OPI
FSB Parity	No	No
SteppingDiffers	D0	D1
Thermal Design Power (TDP)Differs	15 W	4.5 W
Configurable TDP-upKnown for one	Unknown — not stated by the source	7 W
Configurable TDP-downKnown for one	Unknown — not stated by the source	3.5 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	12	10
PCI Express configurationsDiffers	4x1, 2x4	1x2+2x1, 2x2, 1x4, 4x1
PCI Express slots versionDiffers	2.0	3.0
ECC supported by processor	No	No
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory typeDiffers	DDR3L-SDRAM	LPDDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	On-board
Maximum internal memoryDiffers	12 GB	4 GB
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	1 TB	128 GB
Storage mediaDiffers	HDD	SSD
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	128 GB
Optical drive typeDiffers	DVD Super Multi	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD, SDHC, SDXC	MicroSD (TransFlash)
Graphics8 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® 820M	Not available
On-board GPU manufacturerKnown for one	Unknown — not stated by the source	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4400	Intel® HD Graphics 515
Maximum on-board graphics card memory	1.74 GB	1.74 GB
On-board graphics card base frequencyDiffers	200 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	900 MHz
On-board graphics card DirectX versionDiffers	11.2/12	12.0
On-board graphics card OpenGL versionDiffers	4.3	4.4
On-board graphics card IDDiffers	0xA16	0x191E
Graphics card Open GL support	Yes	Yes
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	SonicMaster	DTS Studio Sound
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Rear cameraKnown for one	Unknown — not stated by the source	Yes
Rear camera resolution (numeric)Known for one	Unknown — not stated by the source	5 MP
Network2 differ
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	4G
2G standardsKnown for one	Unknown — not stated by the source	Edge, GPRS, GSM
3G standardsKnown for one	Unknown — not stated by the source	HSPA+
4G standardKnown for one	Unknown — not stated by the source	LTE
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
Wi-Fi standardsDiffers	802.11g, 802.11b, 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 ratesDiffers	10,1000,100 Mbit/s	10,100,1000 Mbit/s
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
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
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Thunderbolt ports quantity	0	0
Micro HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Combo headphone/mic port	Yes	Yes
Docking connector	No	No
Headphone outputsKnown for one	0	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Microphone inKnown for one	No	Unknown — not stated by the source
ExpressCard slotKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	0	Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	4	Unknown — not stated by the source
Performanceidentical
AccelerometerKnown for one	Unknown — not stated by the source	Yes
Ambient light sensorKnown for one	Unknown — not stated by the source	Yes
Electronic compassKnown for one	Unknown — not stated by the source	Yes
GyroscopeKnown for one	Unknown — not stated by the source	Yes
Keyboard2 differ
Pointing deviceDiffers	Touchpad	Clickpad
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Numeric keypadDiffers	Yes	No
Keyboard number of keysKnown for one	Unknown — not stated by the source	87
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8.1	Windows 10 Pro
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	Yes	No
Intel Fast Memory Access	No	No
Intel Flex Memory AccessDiffers	No	Yes
Intel HD Graphics	Yes	Yes
Intel Rapid Storage TechnologyDiffers	Yes	No
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) 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-NI	No	No
Intel TSX-NI versionDiffers	0.00	1.00
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® Built-in Visuals Technology	Yes	Yes
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® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
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)Known for one	Unknown — not stated by the source	Yes
Intel® Smart Cache	Yes	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	81015	88202
Processor codeDiffers	SR1EB	SR2EM
Processor package sizeDiffers	40 x 24 x 1.5 mm	20 X 16.5 mm
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	SSE4.1, SSE4.2, AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
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® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
UARTKnown for one	Yes	Unknown — not stated by the source
Battery1 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	2	3
Battery life (max)Known for one	Unknown — not stated by the source	19 h
Battery life (tablet mode)Known for one	Unknown — not stated by the source	9.5 h
Battery capacityKnown for one	37 Wh	Unknown — not stated by the source
Power1 differ
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentDiffers	3.42 A	2.37 A
AC adapter output voltage	19 V	19 V
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Password protection	Yes	Yes
Password protection typeDiffers	BIOS, HDD, User	HDD, Supervisor, User
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.3 kg	1.51 kg
WidthDiffers	382 mm	309 mm
DepthDiffers	256 mm	215.2 mm
Height (front)Known for one	Unknown — not stated by the source	1.85 cm
Height (rear)Known for one	Unknown — not stated by the source	2.1 cm
Weight (tablet mode)Known for one	Unknown — not stated by the source	730 g
Width (tablet mode)Known for one	Unknown — not stated by the source	30.9 cm
Depth (tablet mode)Known for one	Unknown — not stated by the source	20 cm
Height (tablet mode)Known for one	Unknown — not stated by the source	8.8 mm
HeightKnown for one	25.8 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Stylus penKnown for one	Unknown — not stated by the source	Yes
Toshiba Reliability GuaranteeKnown 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.

More laptop comparisons

All laptop comparisons