Product comparison · 2 laptops

ASUS U-DH21 AMD E E-450 vs ASUS U31SD-DH31 laptop Intel® Core™ i3 i3-2310M

70specifications compared
24differ
46identical
71known for one product only

Key differences

Product colour
- U-DH21 AMD E E-450:Brown
- U31SD-DH31 laptop Intel® Core™ i3 i3-2310M:Black
Display diagonal
- U-DH21 AMD E E-450:40.6 cm (16")
- U31SD-DH31 laptop Intel® Core™ i3 i3-2310M:33.8 cm (13.3")
Processor manufacturer
- U-DH21 AMD E E-450:AMD
- U31SD-DH31 laptop Intel® Core™ i3 i3-2310M:Intel
Processor family
- U-DH21 AMD E E-450:AMD E
- U31SD-DH31 laptop Intel® Core™ i3 i3-2310M:Intel® Core™ i3
Processor model
- U-DH21 AMD E E-450:E-450
- U31SD-DH31 laptop Intel® Core™ i3 i3-2310M:i3-2310M
Processor frequency
- U-DH21 AMD E E-450:1.65 GHz
- U31SD-DH31 laptop Intel® Core™ i3 i3-2310M:2.1 GHz
Processor cache
- U-DH21 AMD E E-450:1 MB
- U31SD-DH31 laptop Intel® Core™ i3 i3-2310M:3 MB
Processor cache type
- U-DH21 AMD E E-450:L2
- U31SD-DH31 laptop Intel® Core™ i3 i3-2310M:Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of U-DH21, U31SD-DH31
141 specifications	A ASUS U-DH21 AMD E E-450 Model U-DH21 View product	B ASUS U31SD-DH31 laptop Intel® Core™ i3 i3-2310M Model U31SD-DH31 View product
Design1 differ
Product colourDiffers	Brown	Black
Display1 differ
Display diagonalDiffers	40.6 cm (16")	33.8 cm (13.3")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Native aspect ratio	16:9	16:9
LED backlightKnown for one	Yes	Unknown — not stated by the source
Processor6 differ
Processor manufacturerDiffers	AMD	Intel
Processor familyDiffers	AMD E	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i3
Processor modelDiffers	E-450	i3-2310M
Processor coresKnown for one	Unknown — not stated by the source	2
Processor threadsKnown for one	Unknown — not stated by the source	4
Processor frequencyDiffers	1.65 GHz	2.1 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	1 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	BGA 1023
Processor lithographyKnown for one	Unknown — not stated by the source	32 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core i3-2300 Mobile Series
Processor codenameKnown for one	Unknown — not stated by the source	Sandy Bridge
Bus typeKnown for one	Unknown — not stated by the source	DMI
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingKnown for one	Unknown — not stated by the source	J1
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	35 W
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8, 1x8+2x4
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	21
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storage4 differ
Total storage capacityDiffers	500 GB	640 GB
Storage media	HDD	HDD
HDD capacityDiffers	500 GB	640 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD	Memory Stick (MS), MMC, SD
Graphics1 differ
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	NVIDIA® GeForce® GT 520M
Graphics card familyDiffers	AMD	NVIDIA
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR3
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics 3000
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	650 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x116
Audioidentical
Built-in microphone	Yes	Yes
Cameraidentical
Front camera resolution (numeric)	0.3 MP	0.3 MP
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet, WLAN	Gigabit Ethernet, WLAN
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	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
Bluetooth	No	No
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces1 differ
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
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 portDiffers	No	Yes
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Performance1 differ
Motherboard chipsetDiffers	AMD A50M	Intel® HM65 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	Yes
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	32 nm
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
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	Yes
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)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® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Insider™Known for one	Unknown — not stated by the source	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	Yes
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	No
Processor ARK IDKnown for one	Unknown — not stated by the source	52220
Processor codeKnown for one	Unknown — not stated by the source	SR04S
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 xrPGA988B); 31 x 24 (BGA1023)
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Battery2 differ
Number of battery cellsDiffers	6	8
Battery capacityDiffers	56 Wh	83 Wh
Battery life (max)Known for one	Unknown — not stated by the source	10 h
Power1 differ
AC adapter powerDiffers	65 W	90 W
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Password protection type	BIOS, User	BIOS, User
Weight & dimensions5 differ
WeightDiffers	2.6 kg	1.78 kg
WidthDiffers	378 mm	328 mm
DepthDiffers	253 mm	233 mm
Height (front)Differs	2.83 cm	2.54 cm
Height (rear)Differs	3.49 cm	2.85 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Power requirements	100 - 240 V AC, 50/60 Hz	100 - 240 V AC, 50/60 Hz
Supplied AC adapter type	AC	AC

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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