Product comparison · 2 laptops

ASUS K55A-SX377D laptop Intel® Pentium® B980 vs ASUS K55A-SX499D laptop Intel® Pentium® 2020M

148specifications compared
16differ
132identical
2known for one product only

Key differences

Processor model
- K55A-SX377D laptop Intel® Pentium® B980:B980
- K55A-SX499D laptop Intel® Pentium® 2020M:2020M
Processor cache type
- K55A-SX377D laptop Intel® Pentium® B980:L2
- K55A-SX499D laptop Intel® Pentium® 2020M:Smart Cache
Processor lithography
- K55A-SX377D laptop Intel® Pentium® B980:32 nm
- K55A-SX499D laptop Intel® Pentium® 2020M:22 nm
Processor codename
- K55A-SX377D laptop Intel® Pentium® B980:Sandy Bridge
- K55A-SX499D laptop Intel® Pentium® 2020M:Ivy Bridge
Stepping
- K55A-SX377D laptop Intel® Pentium® B980:Q0
- K55A-SX499D laptop Intel® Pentium® 2020M:L1
Tjunction
- K55A-SX377D laptop Intel® Pentium® B980:85 °C
- K55A-SX499D laptop Intel® Pentium® 2020M:90 °C
On-board graphics card dynamic frequency (max)
- K55A-SX377D laptop Intel® Pentium® B980:1150 MHz
- K55A-SX499D laptop Intel® Pentium® 2020M:1100 MHz
Graphics & IMC lithography
- K55A-SX377D laptop Intel® Pentium® B980:32 nm
- K55A-SX499D laptop Intel® Pentium® 2020M:22 nm

Side by side

Differences highlightedShow differences only

Comparison of K55A-SX377D, K55A-SX499D
150 specifications	A ASUS K55A-SX377D laptop Intel® Pentium® B980 Model K55A-SX377D View product	B ASUS K55A-SX499D laptop Intel® Pentium® 2020M Model K55A-SX499D View product
Designidentical
Product type	Laptop	Laptop
Product colour	Brown	Brown
Form factor	Clamshell	Clamshell
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
HD type	HD	HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium®	Intel® Pentium®
Processor modelDiffers	B980	2020M
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.4 GHz	2.4 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	2 MB	2 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socket	PGA988	PGA988
Processor lithographyDiffers	32 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium B900 Series for Mobile	Intel Pentium 2000 series for Mobile
Processor codenameDiffers	Sandy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	Q0	L1
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	85 °C	90 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)	24	24
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storageidentical
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD size	2.5"	2.5"
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD	MMC, SD
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1100 MHz
Audioidentical
Audio system	SonicMaster Lite	SonicMaster Lite
Speakers manufacturer	Altec Lansing	Altec Lansing
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)	0.3 MP	0.3 MP
Networkidentical
Wi-Fi	Yes	Yes
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	3.0+HS	3.0+HS
Data network	Not supported	Not supported
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
4G WiMAX	No	No
Integrated 4G WiMAX	No	No
Ports & interfacesidentical
USB 2.0 ports quantity	1	1
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 quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorKnown for one	No	Unknown — not stated by the source
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Performanceidentical
Motherboard chipset	Intel HM76 Express	Intel HM76 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	FreeDOS	FreeDOS
Processor special features8 differ
Intel® Wireless Display (Intel® WiDi)	No	No
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 Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video Technology	No	No
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	69669	71142
Processor codeDiffers	SR0J1	SR0U1
Processor package sizeDiffers	37.5x37.5 (rPGA988B)	37.5 x 37.5 (rPGA988B)
Supported instruction sets	SSE4.1, SSE4.2	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processorDiffers	No	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Number of battery cells	6	6
Battery capacity	50 Wh	50 Wh
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	4.74 A	4.74 A
AC adapter output voltage	19 V	19 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection type	BIOS, HDD, User	BIOS, HDD, User
Weight & dimensionsidentical
Weight	2.52 kg	2.52 kg
Width	378 mm	378 mm
Depth	251 mm	251 mm
Height (front)	2.55 cm	2.55 cm
Height (rear)	3.19 cm	3.19 cm
Other featuresidentical
3D	No	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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