Product comparison · 2 laptops

Dell Inspiron 3781 Intel® Core™ i3 i3-7020U Laptop vs Dell Inspiron I15RM-1927SLV laptop Intel® Core™ i5 i5-4200U

133specifications compared
55differ
78identical
93known for one product only

Key differences

Product colour
- Inspiron 3781 Intel® Core™ i3 i3-7020U Laptop:Black
- Inspiron I15RM-1927SLV laptop Intel® Core™ i5 i5-4200U:Silver
Display diagonal
- Inspiron 3781 Intel® Core™ i3 i3-7020U Laptop:43.9 cm (17.3")
- Inspiron I15RM-1927SLV laptop Intel® Core™ i5 i5-4200U:39.6 cm (15.6")
Display resolution
- Inspiron 3781 Intel® Core™ i3 i3-7020U Laptop:1920 x 1080 pixels
- Inspiron I15RM-1927SLV laptop Intel® Core™ i5 i5-4200U:1366 x 768 pixels
Touchscreen
- Inspiron 3781 Intel® Core™ i3 i3-7020U Laptop:No
- Inspiron I15RM-1927SLV laptop Intel® Core™ i5 i5-4200U:Yes
HD type
- Inspiron 3781 Intel® Core™ i3 i3-7020U Laptop:Full HD
- Inspiron I15RM-1927SLV laptop Intel® Core™ i5 i5-4200U:HD
Pixel pitch
- Inspiron 3781 Intel® Core™ i3 i3-7020U Laptop:0.1989 x 0.1989 mm
- Inspiron I15RM-1927SLV laptop Intel® Core™ i5 i5-4200U:0.252 x 0.252 mm
Processor family
- Inspiron 3781 Intel® Core™ i3 i3-7020U Laptop:Intel® Core™ i3
- Inspiron I15RM-1927SLV laptop Intel® Core™ i5 i5-4200U:Intel® Core™ i5
Processor generation
- Inspiron 3781 Intel® Core™ i3 i3-7020U Laptop:7th gen Intel® Core™ i3
- Inspiron I15RM-1927SLV laptop Intel® Core™ i5 i5-4200U:4th gen Intel® Core™ i5

Side by side

Differences highlightedShow differences only

Comparison of 3781, I15RM-1927SLV
226 specifications	A Dell Inspiron 3781 Intel® Core™ i3 i3-7020U Laptop Model 3781 View product	B Dell Inspiron I15RM-1927SLV laptop Intel® Core™ i5 i5-4200U Model I15RM-1927SLV View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	Silver
Colour nameKnown for one	Black	Unknown — not stated by the source
Form factor	Clamshell	Clamshell
Display5 differ
Display diagonalDiffers	43.9 cm (17.3")	39.6 cm (15.6")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
TouchscreenDiffers	No	Yes
HD typeDiffers	Full HD	HD
Panel typeKnown for one	IPS	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	300 cd/m²	Unknown — not stated by the source
Pixel densityKnown for one	127 ppi	Unknown — not stated by the source
Pixel pitchDiffers	0.1989 x 0.1989 mm	0.252 x 0.252 mm
Dual-screenKnown for one	No	Unknown — not stated by the source
Display response rise/fallKnown for one	35 ms	Unknown — not stated by the source
Maximum refresh rateKnown for one	60 Hz	Unknown — not stated by the source
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	7th gen Intel® Core™ i3	4th gen Intel® Core™ i5
Processor modelDiffers	i3-7020U	i5-4200U
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	2.3 GHz	1.6 GHz
System bus rateKnown for one	4 GT/s	Unknown — not stated by the source
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1356	BGA 1168
Processor lithographyDiffers	14 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor codenameDiffers	Kaby Lake	Haswell
Bus typeDiffers	OPI	DMI2
Thermal Design Power (TDP)	15 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurationsDiffers	1x4, 2x2	1x4, 2x4
PCI Express slots versionDiffers	3.0	2.0
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.6 GHz
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core i5-4200 Mobile series
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingKnown for one	Unknown — not stated by the source	C0
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory3 differ
Internal memory	8 GB	8 GB
Internal memory typeDiffers	DDR4-SDRAM	DDR3L-SDRAM
Memory clock speedDiffers	2666 MHz	1600 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Differs	1 x 8 GB	2 x 4 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	16 GB	16 GB
Maximum internal memory (64-bit)Known for one	16 GB	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	256 GB	1 TB
Storage mediaDiffers	SSD	HDD
HDD interface	SATA	SATA
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
NVMeKnown for one	Yes	Unknown — not stated by the source
SSD interfaceKnown for one	NVMe, PCI Express	Unknown — not stated by the source
SSD form factorKnown for one	M.2	Unknown — not stated by the source
Optical drive typeDiffers	DVD-RW	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD, SDHC, SDXC	Memory Stick (MS), MMC, MMC+, MS PRO, MSXC, SD, SDHC, SDXC
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
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics5 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card modelDiffers	Intel® HD Graphics 620	Intel® HD Graphics 4400
Maximum on-board graphics card memoryDiffers	32 GB	1.74 GB
On-board graphics card base frequencyDiffers	300 MHz	200 MHz
On-board graphics card dynamic frequency (max)	1000 MHz	1000 MHz
On-board graphics card DirectX versionDiffers	12.0	12
On-board graphics card OpenGL versionKnown for one	4.5	Unknown — not stated by the source
On-board graphics card IDDiffers	0x5916	0xA16
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Audio2 differ
Audio chipKnown for one	Realtek ALC3246	Unknown — not stated by the source
Audio systemDiffers	MaxxAudio Pro	Maxx Audio 4.0
Number of built-in speakers	2	2
Speaker powerDiffers	2 W	4 W
Built-in microphone	Yes	Yes
Speakers manufacturerKnown for one	Unknown — not stated by the source	Waves
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)	0.92 MP	0.92 MP
Front camera HD typeKnown for one	HD	Unknown — not stated by the source
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Front camera signal formatKnown for one	720p	Unknown — not stated by the source
Video capturing speed	30 fps	30 fps
Network2 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Wi-Fi standardsDiffers	Wi-Fi 5 (802.11ac)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Antenna typeKnown for one	1x1	Unknown — not stated by the source
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100 Mbit/s	10,100 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionDiffers	4.1	4.0
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	1	2
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	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
HDMI versionKnown for one	1.4b	Unknown — not stated by the source
DisplayPorts quantity	0	0
Thunderbolt 3 ports quantityKnown for one	0	Unknown — not stated by the source
Combo headphone/mic port	Yes	Yes
DVI portKnown for one	Unknown — not stated by the source	No
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	0
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Docking connectorKnown for one	Unknown — not stated by the source	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Keyboardidentical
Pointing device	Touchpad	Touchpad
Keyboard backlit	No	No
Numeric keypad	Yes	Yes
Windows keys	Yes	Yes
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Keyboard languageKnown for one	Unknown — not stated by the source	English
Software1 differ
Operating system installedDiffers	Windows 10 Home	Windows 8.1
Operating system architecture	64-bit	64-bit
Operating system languageKnown for one	German, Dutch, English, French, Italian	Unknown — not stated by the source
Trial softwareKnown for one	Microsoft Office, McAfee® LiveSafe	Unknown — not stated by the source
Processor special features9 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology version	1.00	1.00
Intel Secure Key Technology version	1.00	1.00
Intel Smart Response Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Software Guard Extensions (Intel SGX)Known for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	No	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	0.00	Unknown — not stated by the source
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	Yes	No
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)Differs	Yes	No
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 GuardKnown for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart Response TechnologyDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	122590	75459
Processor package sizeDiffers	42 X 24 mm	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	Yes
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	Yes
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	Yes
Intel® Insider™Known for one	Unknown — not stated by the source	Yes
Intel® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Processor codeKnown for one	Unknown — not stated by the source	SR170
Battery3 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	3	6
Battery capacityDiffers	42 Wh	65 Wh
Battery voltageDiffers	11.4 V	11.1 V
Battery recharge timeKnown for one	4 h	Unknown — not stated by the source
Battery weightKnown for one	200 g	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	45 W	Unknown — not stated by the source
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentKnown for one	2.31 A	Unknown — not stated by the source
AC adapter output voltage	19.5 V	19.5 V
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Password protectionKnown for one	Yes	Unknown — not stated by the source
Operational conditions5 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)Differs	-40 - 65 °C	-40 - 70 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage relative humidity (H-H)Differs	0 - 95%	10 - 95%
Operating altitudeDiffers	0 - 3048 m	-15.2 - 3048 m
Non-operating altitudeDiffers	0 - 10668 m	-15.2 - 10668 m
Operating shockDiffers	140 G	110 G
Non-operating shock	160 G	160 G
Operating vibration	0.66 G	0.66 G
Non-operating vibration	1.3 G	1.3 G
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	3.03 kg	2.5 kg
WidthDiffers	415.4 mm	376 mm
DepthDiffers	279.2 mm	259 mm
Height (front)Known for one	2.19 cm	Unknown — not stated by the source
Height (rear)Known for one	2.56 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	27.9 mm
Packaging dataidentical
Package materialKnown for one	Corrugated cardboard, High-Density Polyethylene (HDPE), Paper molded pulp, Polypropylene (PP)	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Laptop hinge testKnown for one	Yes	Unknown — not stated by the source
Keyboard testKnown for one	Yes	Unknown — not stated by the source
Extreme temperature testKnown for one	Yes	Unknown — not stated by the source
I/O ports testKnown for one	Yes	Unknown — not stated by the source
EPEAT ratingKnown for one	95.77%	Unknown — not stated by the source
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office
Optical driveidentical
LightScribeKnown 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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