Product comparison · 2 laptops

Dell 15 5557 vs Dell Inspiron 7790 Intel® Core™ i5 i5-7200U Hybrid (2-in-1)

158specifications compared
39differ
119identical
34known for one product only

Key differences

Product type
- 15 5557:Laptop
- Inspiron 7790 Intel® Core™ i5 i5-7200U Hybrid (2-in-1):Hybrid (2-in-1)
Form factor
- 15 5557:Clamshell
- Inspiron 7790 Intel® Core™ i5 i5-7200U Hybrid (2-in-1):Convertible (Folder)
Display diagonal
- 15 5557:39.6 cm (15.6")
- Inspiron 7790 Intel® Core™ i5 i5-7200U Hybrid (2-in-1):43.9 cm (17.3")
Touchscreen
- 15 5557:No
- Inspiron 7790 Intel® Core™ i5 i5-7200U Hybrid (2-in-1):Yes
Processor generation
- 15 5557:6th gen Intel® Core™ i5
- Inspiron 7790 Intel® Core™ i5 i5-7200U Hybrid (2-in-1):7th gen Intel® Core™ i5
Processor model
- 15 5557:i5-6200U
- Inspiron 7790 Intel® Core™ i5 i5-7200U Hybrid (2-in-1):i5-7200U
Processor boost frequency
- 15 5557:2.8 GHz
- Inspiron 7790 Intel® Core™ i5 i5-7200U Hybrid (2-in-1):3.1 GHz
Processor frequency
- 15 5557:2.3 GHz
- Inspiron 7790 Intel® Core™ i5 i5-7200U Hybrid (2-in-1):2.5 GHz

Side by side

Differences highlightedShow differences only

Comparison of 15 5557, 7790
192 specifications	A Dell 15 5557 View product	B Dell Inspiron 7790 Intel® Core™ i5 i5-7200U Hybrid (2-in-1) Model 7790 View product
Design2 differ
Product typeDiffers	Laptop	Hybrid (2-in-1)
Product colour	Black, Silver	Black, Silver
Form factorDiffers	Clamshell	Convertible (Folder)
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	43.9 cm (17.3")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
TouchscreenDiffers	No	Yes
HD type	Full HD	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Pixel pitchKnown for one	Unknown — not stated by the source	0.1989 x 0.1989 mm
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor10 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generationDiffers	6th gen Intel® Core™ i5	7th gen Intel® Core™ i5
Processor modelDiffers	i5-6200U	i5-7200U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.8 GHz	3.1 GHz
Processor frequencyDiffers	2.3 GHz	2.5 GHz
System bus rate	4 GT/s	4 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	LGA 1356 (Socket B2)	BGA 1356
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor codenameDiffers	Skylake	Kaby Lake
Bus typeDiffers	QPI	OPI
SteppingDiffers	D1	H0
Thermal Design Power (TDP)	15 W	15 W
Configurable TDP-up frequencyDiffers	2.4 GHz	2.7 GHz
Configurable TDP-up	25 W	25 W
Configurable TDP-down	7.5 W	7.5 W
Configurable TDP-down frequency	0.8 GHz	0.8 GHz
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurationsDiffers	1x4, 4x1	1x2+2x1, 1x4, 2x2, 4x1
PCI Express slots version	3.0	3.0
ECC supported by processor	No	No
Processor seriesKnown for one	Intel Core i5-6200 series	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	4 GB	12 GB
Internal memory typeDiffers	DDR3L-SDRAM	DDR4-SDRAM
Memory clock speedDiffers	1600 MHz	2133 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 + 1 x 8 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	16 GB	16 GB
Maximum internal memory (64-bit)	16 GB	16 GB
Storage3 differ
Total storage capacityDiffers	256 GB	1 TB
Storage mediaDiffers	SSD	HDD
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 interfaceKnown for one	Unknown — not stated by the source	SATA III
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MS PRO, Memory Stick (MS), SD, SDHC	SD, SDHC, SDXC
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
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® 930M	NVIDIA® GeForce® 940MX
Discrete graphics card memoryDiffers	4 GB	2 GB
Discrete graphics memory typeDiffers	GDDR3	GDDR5
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 520	Intel® HD Graphics 620
Maximum on-board graphics card memoryDiffers	1.74 GB	32 GB
On-board graphics card base frequency	300 MHz	300 MHz
On-board graphics card dynamic frequency (max)	1000 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	1916	0x5916
Number of discrete graphics cards installed	1	1
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	MaxxAudio Pro
Number of built-in speakers	2	2
Speakers manufacturer	Waves	Waves
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)	0.92 MP	0.92 MP
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Video capturing speedKnown for one	Unknown — not stated by the source	30 fps
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standards	Wi-Fi 5 (802.11ac)	Wi-Fi 5 (802.11ac)
Ethernet LANDiffers	Yes	No
Bluetooth	Yes	Yes
Bluetooth versionDiffers	4.0	4.2
Ethernet LAN data ratesKnown for one	10,100 Mbit/s	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
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) portsDiffers	1	0
HDMI ports quantity	1	1
HDMI version	1.4a	1.4a
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	0
Thunderbolt ports quantity	0	0
Combo headphone/mic port	Yes	Yes
Docking connector	No	No
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
Keyboardidentical
Pointing device	Touchpad	Touchpad
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Numeric keypadKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 10 Home	Windows 10 Home
Operating system architecture	64-bit	64-bit
Operating system languageKnown for one	Simplified Chinese	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 Identity Protection Technology version	1.00	1.00
Intel Secure Key Technology 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-NI	No	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® Insider™	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® Small Business Advantage (Intel® SBA)	Yes	Yes
Intel® Smart Response Technology	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	88193	95443
Processor codeDiffers	SR2EY	SR2ZU
Processor package size	42 X 24 mm	42 x 24 mm
Supported instruction setsDiffers	SSE4.1, SSE4.2, AVX 2.0	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	3	4
Battery capacityDiffers	44 Wh	56 Wh
Battery voltageKnown for one	Unknown — not stated by the source	15.2 V
Battery life (max)Known for one	7.5 h	Unknown — not stated by the source
Battery recharge timeKnown for one	4 h	Unknown — not stated by the source
Poweridentical
AC adapter power	65 W	65 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output current	3.34 A	3.34 A
AC adapter output voltage	19.5 V	19.5 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Noble
Password protectionKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)	0 - 35 °C	0 - 35 °C
Storage temperature (T-T)	-40 - 65 °C	-40 - 65 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage relative humidity (H-H)	0 - 95%	0 - 95%
Operating altitude	-15.2 - 3048 m	-15.2 - 3048 m
Non-operating altitude	-15.2 - 10668 m	-15.2 - 10668 m
Operating shock	110 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 certificates	EPEAT Silver, ENERGY STAR	EPEAT Silver, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.17 kg	2.77 kg
WidthDiffers	380 mm	412.5 mm
DepthDiffers	259 mm	277.5 mm
Height (front)Known for one	Unknown — not stated by the source	2.21 cm
Height (rear)Known for one	Unknown — not stated by the source	2.26 cm
HeightKnown for one	21.8 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Warranty card	Yes	Yes
Other featuresidentical
Intel segment taggingKnown for one	Home office	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.

More laptop comparisons

All laptop comparisons