Product comparison · 2 laptops

Lenovo Essential B580 Intel® Core™ i3 i3-2328M Laptop vs Lenovo Twist S230u

138specifications compared
54differ
84identical
32known for one product only

Key differences

Form factor
- Essential B580 Intel® Core™ i3 i3-2328M Laptop:Clamshell
- Twist S230u:Convertible (Swivel)
Display diagonal
- Essential B580 Intel® Core™ i3 i3-2328M Laptop:39.6 cm (15.6")
- Twist S230u:31.8 cm (12.5")
Touchscreen
- Essential B580 Intel® Core™ i3 i3-2328M Laptop:No
- Twist S230u:Yes
Processor family
- Essential B580 Intel® Core™ i3 i3-2328M Laptop:Intel® Core™ i3
- Twist S230u:Intel® Core™ i5
Processor generation
- Essential B580 Intel® Core™ i3 i3-2328M Laptop:2nd gen Intel® Core™ i3
- Twist S230u:3rd gen Intel® Core™ i5
Processor model
- Essential B580 Intel® Core™ i3 i3-2328M Laptop:i3-2328M
- Twist S230u:i5-3317U
Processor frequency
- Essential B580 Intel® Core™ i3 i3-2328M Laptop:2.2 GHz
- Twist S230u:1.7 GHz
Processor cache type
- Essential B580 Intel® Core™ i3 i3-2328M Laptop:L3
- Twist S230u:Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of B580, Twist S230u
170 specifications	A Lenovo Essential B580 Intel® Core™ i3 i3-2328M Laptop Model B580 View product	B Lenovo Twist S230u View product
Design1 differ
Product type	Laptop	Laptop
Product colour	Black	Black
Form factorDiffers	Clamshell	Convertible (Swivel)
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	31.8 cm (12.5")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
TouchscreenDiffers	No	Yes
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	350 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i3	3rd gen Intel® Core™ i5
Processor modelDiffers	i3-2328M	i5-3317U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.6 GHz
Processor frequencyDiffers	2.2 GHz	1.7 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache typeDiffers	L3	Smart Cache
Processor socketDiffers	PGA988	BGA 1023
Processor lithographyDiffers	32 nm	22 nm
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor seriesDiffers	Intel Core i3-2300 Mobile Series	Intel Core i5-3300 Mobile series
Processor codenameDiffers	Sandy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	J1	L1
Thermal Design Power (TDP)Differs	35 W	17 W
TjunctionDiffers	85 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x8, 1x16, 2x4, 2x8	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	22	17
ECC supported by processor	No	No
Memory2 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1600 MHz	1333 MHz
Maximum internal memoryDiffers	8 GB	4 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	500 GB	524 GB
Storage mediaDiffers	HDD	HDD+SSD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speedDiffers	5400 RPM	7200 RPM
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	24 GB
SSD interfaceKnown for one	Unknown — not stated by the source	mSATA
Optical drive typeDiffers	DVD Super Multi DL	No
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	No
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
Graphics card family	Intel	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 3000	Intel® HD Graphics 4000
On-board graphics card base frequencyDiffers	650 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1050 MHz
On-board graphics card IDDiffers	0x116	0x166
Audio1 differ
Audio systemDiffers	HD	High Definition Audio
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Built-in microphone	Yes	Yes
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Networkidentical
Wi-Fi	Yes	Yes
Top Wi-Fi standard	Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	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 version	4.0	4.0
Integrated 4G WiMAX	Yes	Yes
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Mini HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Headphone outputsDiffers	1	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone inDiffers	Yes	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel HM77 Express
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	Yes	No
Spill-resistant 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
Windows keysKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8	Windows 8 Pro
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features8 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 lithographyDiffers	32 nm	22 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	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)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	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® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	70927	65707
Processor codeDiffers	SR0TC	SR0N8
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	31.0 x 24.0 mm
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processorDiffers	No	Yes
Battery3 differ
Battery technologyKnown for one	Unknown — not stated by the source	Lithium Polymer (LiPo)
Number of battery cellsDiffers	6	8
Battery capacityDiffers	2200 mAh	42.4 Wh
Battery life (max)Differs	6.5 h	6 h
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Power on, Supervisor
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	2.5 kg	1.6 kg
WidthDiffers	378 mm	313 mm
DepthDiffers	252 mm	236 mm
HeightDiffers	33.1 mm	20 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC
Other featuresidentical
Infrared data port	No	No
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	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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