Product comparison · 2 laptops

Acer Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop vs LG U series 15UD470-GX50K laptop Intel® Core™ i5 i5-7200U

117specifications compared
46differ
71identical
56known for one product only

Key differences

Product colour
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:Black
- U series 15UD470-GX50K laptop Intel® Core™ i5 i5-7200U:White, Black
Display diagonal
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:53.3 cm (21")
- U series 15UD470-GX50K laptop Intel® Core™ i5 i5-7200U:39.6 cm (15.6")
Display resolution
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:2560 x 1080 pixels
- U series 15UD470-GX50K laptop Intel® Core™ i5 i5-7200U:1920 x 1080 pixels
HD type
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:WFHD
- U series 15UD470-GX50K laptop Intel® Core™ i5 i5-7200U:Full HD
Native aspect ratio
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:21:9
- U series 15UD470-GX50K laptop Intel® Core™ i5 i5-7200U:16:9
Processor family
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:Intel® Core™ i7
- U series 15UD470-GX50K laptop Intel® Core™ i5 i5-7200U:Intel® Core™ i5
Processor generation
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:7th gen Intel® Core™ i7
- U series 15UD470-GX50K laptop Intel® Core™ i5 i5-7200U:7th gen Intel® Core™ i5
Processor model
- Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop:i7-7820HK
- U series 15UD470-GX50K laptop Intel® Core™ i5 i5-7200U:i5-7200U

Side by side

Differences highlightedShow differences only

Comparison of GX21-71-74GK, 15UD470-GX50K
173 specifications	A Acer Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop Model GX21-71-74GK View product	B LG U series 15UD470-GX50K laptop Intel® Core™ i5 i5-7200U Model 15UD470-GX50K View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	White, Black
Form factor	Clamshell	Clamshell
Market positioningKnown for one	Gaming	Unknown — not stated by the source
Display4 differ
Display diagonalDiffers	53.3 cm (21")	39.6 cm (15.6")
Display resolutionDiffers	2560 x 1080 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD typeDiffers	WFHD	Full HD
Panel typeKnown for one	IPS	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratioDiffers	21:9	16:9
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	7th gen Intel® Core™ i7	7th gen Intel® Core™ i5
Processor modelDiffers	i7-7820HK	i5-7200U
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	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Intel Core i7-7800 Mobile Series	Unknown — not stated by the source
Processor codename	Kaby Lake	Kaby Lake
Bus typeDiffers	DMI3	OPI
Thermal Design Power (TDP)Differs	45 W	15 W
Configurable TDP-downDiffers	35 W	7.5 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 1x8, 2x4, 2x8	1x2+2x1, 1x4, 2x2, 4x1
PCI Express slots version	3.0	3.0
ECC supported by processor	No	No
Processor socketKnown for one	Unknown — not stated by the source	BGA 1356
SteppingKnown for one	Unknown — not stated by the source	H0
Configurable TDP-up frequencyKnown for one	Unknown — not stated by the source	2.7 GHz
Configurable TDP-upKnown for one	Unknown — not stated by the source	25 W
Configurable TDP-down frequencyKnown for one	Unknown — not stated by the source	0.8 GHz
Memory1 differ
Internal memoryDiffers	64 GB	8 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Memory layout (slots x size)Known for one	4 x 16 GB	Unknown — not stated by the source
Memory slotsKnown for one	4x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	64 GB	Unknown — not stated by the source
Memory clock speedKnown for one	Unknown — not stated by the source	2133 MHz
Storage4 differ
Total storage capacityDiffers	2 TB	256 GB
Storage mediaDiffers	HDD+SSD	SSD
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
Number of SSDs installedKnown for one	2	Unknown — not stated by the source
SSD capacityDiffers	512 GB	256 GB
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	SD, SDHC, SDXC, MMC
Graphics7 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GTX 1080	Not available
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
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® HD Graphics 630	Intel® HD Graphics 620
Maximum on-board graphics card memoryDiffers	64 GB	32 GB
On-board graphics card base frequencyDiffers	350 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1000 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	0x5916
Graphics card Open GL supportKnown for one	Yes	Unknown — not stated by the source
Audio1 differ
Number of built-in speakersDiffers	4	2
Built-in microphone	Yes	Yes
Speaker powerKnown for one	Unknown — not stated by the source	3 W
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Front camera signal formatKnown for one	720p	Unknown — not stated by the source
Networkidentical
Wi-Fi	Yes	Yes
Wi-Fi standards	Wi-Fi 5 (802.11ac)	Wi-Fi 5 (802.11ac)
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
BluetoothKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	0	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	1	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
HDMI ports quantity	1	1
DisplayPorts quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Thunderbolt ports quantity	0	0
Thunderbolt 3 ports quantityKnown for one	0	Unknown — not stated by the source
Combo headphone/mic port	Yes	Yes
Docking connectorKnown for one	Unknown — not stated by the source	No
Performanceidentical
Motherboard chipsetKnown for one	Intel® CM238	Unknown — not stated by the source
Keyboardidentical
Pointing device	Touchpad	Touchpad
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Numeric keypad	Yes	Yes
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 10 Home	FreeDOS
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
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 HD GraphicsKnown for one	Yes	Unknown — not stated by the source
Intel Identity Protection Technology version	1.00	1.00
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
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 versionDiffers	1.00	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)	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® 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® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Smart Response Technology	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	97464	95443
Processor package sizeDiffers	42 x 28 mm	42 x 24 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® Insider™Known 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
Processor codeKnown for one	Unknown — not stated by the source	SR2ZU
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	8	Unknown — not stated by the source
Battery capacityKnown for one	88 Wh	Unknown — not stated by the source
Power2 differ
AC adapter powerDiffers	330 W	40 W
AC adapter frequencyDiffers	50 - 60 Hz	60 Hz
DC-in jack	Yes	Yes
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection typeKnown for one	BIOS, HDD, Supervisor, User	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	8.5 kg	1.89 kg
WidthDiffers	568 mm	382 mm
DepthDiffers	314.5 mm	256 mm
HeightDiffers	83.3 mm	20.9 mm
Height (front)Known for one	6.88 cm	Unknown — not stated by the source
Height (rear)Known for one	8.32 cm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	AC	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No

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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