Product comparison · 2 laptops

Acer Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop vs Dynabook Portégé Z30T-C-145 Intel® Core™ i7 i7-6500U Laptop

134specifications compared
56differ
78identical
52known for one product only

Key differences

Product colour
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:Black
- Portégé Z30T-C-145 Intel® Core™ i7 i7-6500U Laptop:Black, Metallic
Display diagonal
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:53.3 cm (21")
- Portégé Z30T-C-145 Intel® Core™ i7 i7-6500U Laptop:33.8 cm (13.3")
Display resolution
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:2560 x 1080 pixels
- Portégé Z30T-C-145 Intel® Core™ i7 i7-6500U Laptop:1920 x 1080 pixels
HD type
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:WFHD
- Portégé Z30T-C-145 Intel® Core™ i7 i7-6500U Laptop:Full HD
Native aspect ratio
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:21:9
- Portégé Z30T-C-145 Intel® Core™ i7 i7-6500U Laptop:16:9
Processor generation
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:7th gen Intel® Core™ i7
- Portégé Z30T-C-145 Intel® Core™ i7 i7-6500U Laptop:6th gen Intel® Core™ i7
Processor model
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:i7-7820HK
- Portégé Z30T-C-145 Intel® Core™ i7 i7-6500U Laptop:i7-6500U
Processor cores
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:4
- Portégé Z30T-C-145 Intel® Core™ i7 i7-6500U Laptop:2

Side by side

Differences highlightedShow differences only

Comparison of GX21-71-74GK, Z30T-C-145
186 specifications	A Acer Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop Model GX21-71-74GK View product	B Dynabook Portégé Z30T-C-145 Intel® Core™ i7 i7-6500U Laptop Model Z30T-C-145 View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	Black, Metallic
Form factor	Clamshell	Clamshell
Market positioningKnown for one	Gaming	Unknown — not stated by the source
Display4 differ
Display diagonalDiffers	53.3 cm (21")	33.8 cm (13.3")
Display resolutionDiffers	2560 x 1080 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD typeDiffers	WFHD	Full HD
LED backlight	Yes	Yes
Native aspect ratioDiffers	21:9	16:9
Panel typeKnown for one	IPS	Unknown — not stated by the source
Processor15 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generationDiffers	7th gen Intel® Core™ i7	6th gen Intel® Core™ i7
Processor modelDiffers	i7-7820HK	i7-6500U
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.9 GHz	3.1 GHz
Processor frequencyDiffers	2.9 GHz	2.5 GHz
System bus rateDiffers	8 GT/s	4 GT/s
Processor cacheDiffers	8 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	LGA 1356 (Socket B2)
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-7800 Mobile Series	Intel Core i7-6500 Mobile series
Processor codenameDiffers	Kaby Lake	Skylake
Bus typeDiffers	DMI3	OPI
SteppingKnown for one	Unknown — not stated by the source	D1
Thermal Design Power (TDP)Differs	45 W	15 W
Configurable TDP-up frequencyKnown for one	Unknown — not stated by the source	2.6 GHz
Configurable TDP-upKnown for one	Unknown — not stated by the source	25 W
Configurable TDP-downDiffers	35 W	7.5 W
Configurable TDP-down frequencyKnown for one	Unknown — not stated by the source	0.8 GHz
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 1x8, 2x4, 2x8	1x4, 4x1
PCI Express slots version	3.0	3.0
ECC supported by processor	No	No
Memory5 differ
Internal memoryDiffers	64 GB	8 GB
Internal memory typeDiffers	DDR4-SDRAM	DDR3L-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Differs	4 x 16 GB	1 x 8 GB
Memory slotsDiffers	4x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	64 GB	16 GB
Storage5 differ
Total storage capacityDiffers	2 TB	256 GB
Storage mediaDiffers	HDD+SSD	SSD
Number of SSDs installedDiffers	2	1
SSD capacityDiffers	512 GB	256 GB
SSD form factorKnown for one	Unknown — not stated by the source	M.2
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	MMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	1 TB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Graphics7 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GTX 1080	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 630	Intel® HD Graphics 520
Maximum on-board graphics card memoryDiffers	64 GB	1.74 GB
On-board graphics card base frequencyDiffers	350 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1050 MHz
On-board graphics card DirectX version	12.0	12.0
On-board graphics card OpenGL version	4.4	4.4
On-board graphics card IDDiffers	0x591B	1916
Discrete graphics card memoryKnown for one	16 GB	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR5X	Unknown — not stated by the source
Graphics card Open GL supportKnown for one	Yes	Unknown — not stated by the source
Audioidentical
Built-in microphone	Yes	Yes
Number of built-in speakersKnown for one	4	Unknown — not stated by the source
Camera1 differ
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	2 MP
Front camera resolutionDiffers	1280 x 720 pixels	1980 x 1080 pixels
Front camera signal formatKnown for one	720p	Unknown — not stated by the source
Network1 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
Wi-Fi standardsDiffers	Wi-Fi 5 (802.11ac)	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 Low Energy (BLE)Known for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ports & interfaces3 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	3
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
DisplayPorts quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Thunderbolt ports quantity	0	0
Thunderbolt 3 ports quantity	0	0
Headphone outputsKnown for one	Unknown — not stated by the source	1
Combo headphone/mic port	Yes	Yes
Docking connectorKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-ChargeKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-Charge portsKnown for one	Unknown — not stated by the source	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	1	Unknown — not stated by the source
Keyboard2 differ
Pointing deviceDiffers	Touchpad	Clickpad
Keyboard backlit	Yes	Yes
Numeric keypadDiffers	Yes	No
Keyboard number of keysKnown for one	Unknown — not stated by the source	87
Windows keys	Yes	Yes
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 10 Home	Windows 10 Pro
Operating system architecture	64-bit	64-bit
Processor special features4 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 lithography	14 nm	14 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
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 Software Guard Extensions (Intel SGX)	Yes	Yes
Intel Stable Image Platform Program (SIPP)	No	No
Intel Stable Image Platform Program (SIPP) version	0.00	0.00
Intel TSX-NIDiffers	Yes	No
Intel TSX-NI version	1.00	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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	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™Known for one	Unknown — not stated by the source	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® OS Guard	Yes	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 Response Technology	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	97464	88194
Processor codeKnown for one	Unknown — not stated by the source	SR2EZ
Processor package sizeDiffers	42 x 28 mm	42 X 24 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 HD GraphicsKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Battery2 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	8	4
Battery life (max)Known for one	Unknown — not stated by the source	11 h
Battery capacityKnown for one	88 Wh	Unknown — not stated by the source
Poweridentical
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
AC adapter output currentKnown for one	Unknown — not stated by the source	2.37 A
DC-in jack	Yes	Yes
AC adapter powerKnown for one	330 W	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Weight & dimensions5 differ
WeightDiffers	8.5 kg	1.36 kg
WidthDiffers	568 mm	316 mm
DepthDiffers	314.5 mm	227 mm
Height (front)Differs	6.88 cm	1.59 cm
Height (rear)Differs	8.32 cm	1.99 cm
HeightKnown for one	83.3 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Cables includedKnown for one	AC	Unknown — not stated by the source
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® CM238	Unknown — not stated by the source
Securityidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Password protection typeKnown for one	BIOS, HDD, Supervisor, User	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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