Product comparison · 2 laptops

HP EliteBook WD921EA Intel® Core™ i7 i7-620M Laptop vs Samsung R R720-JS04DE Intel® Core™2 Duo T6600

111specifications compared
62differ
49identical
69known for one product only

Key differences

Product colour
- EliteBook WD921EA Intel® Core™ i7 i7-620M Laptop:Black, Graphite
- R R720-JS04DE Intel® Core™2 Duo T6600:Black
Display diagonal
- EliteBook WD921EA Intel® Core™ i7 i7-620M Laptop:39.6 cm (15.6")
- R R720-JS04DE Intel® Core™2 Duo T6600:43.9 cm (17.3")
Processor family
- EliteBook WD921EA Intel® Core™ i7 i7-620M Laptop:Intel® Core™ i7
- R R720-JS04DE Intel® Core™2 Duo T6600:Intel® Core™2 Duo
Processor model
- EliteBook WD921EA Intel® Core™ i7 i7-620M Laptop:i7-620M
- R R720-JS04DE Intel® Core™2 Duo T6600:T6600
Processor threads
- EliteBook WD921EA Intel® Core™ i7 i7-620M Laptop:4
- R R720-JS04DE Intel® Core™2 Duo T6600:2
Processor frequency
- EliteBook WD921EA Intel® Core™ i7 i7-620M Laptop:2.66 GHz
- R R720-JS04DE Intel® Core™2 Duo T6600:2.2 GHz
Processor cache
- EliteBook WD921EA Intel® Core™ i7 i7-620M Laptop:4 MB
- R R720-JS04DE Intel® Core™2 Duo T6600:2 MB
Processor cache type
- EliteBook WD921EA Intel® Core™ i7 i7-620M Laptop:Smart Cache
- R R720-JS04DE Intel® Core™2 Duo T6600:L2

Side by side

Differences highlightedShow differences only

Comparison of WD921EA, R720-JS04DE
180 specifications	A HP EliteBook WD921EA Intel® Core™ i7 i7-620M Laptop Model WD921EA View product	B Samsung R R720-JS04DE Intel® Core™2 Duo T6600 Model R720-JS04DE View product
Design1 differ
Product typeKnown for one	Laptop	Unknown — not stated by the source
Product colourDiffers	Black, Graphite	Black
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	43.9 cm (17.3")
TouchscreenKnown for one	No	Unknown — not stated by the source
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Display brightnessKnown for one	Unknown — not stated by the source	220 cd/m²
Processor16 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Core™2 Duo
Processor generationKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-620M	T6600
Processor threadsDiffers	4	2
Processor boost frequencyKnown for one	3.33 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.66 GHz	2.2 GHz
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	4 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor socketDiffers	BGA 1288	Socket 478
Processor lithographyDiffers	32 nm	45 nm
Processor seriesDiffers	Intel Core i7-600 Mobile Series	Intel Core 2 Duo T6000 Series
Processor codenameDiffers	Arrandale	Penryn
Bus typeDiffers	DMI	FSB
SteppingDiffers	C2	R0
TjunctionDiffers	105 °C	90 °C
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Number of Processing Die TransistorsDiffers	382 M	410 M
Processing Die sizeDiffers	81 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	20	11
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Memory3 differ
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory clock speedDiffers	1333 MHz	800 MHz
Maximum internal memoryDiffers	8 GB	4 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Storage3 differ
Total storage capacityDiffers	320 GB	500 GB
Storage mediaKnown for one	HDD	Unknown — not stated by the source
HDD capacityKnown for one	320 GB	Unknown — not stated by the source
HDD interfaceDiffers	SATA II	SATA
HDD speedDiffers	7200 RPM	5400 RPM
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, SD, SDHC
Graphics1 differ
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Graphics card familyDiffers	Intel, NVIDIA	AMD
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	500 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	766 MHz	Unknown — not stated by the source
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	AMD Radeon HD 4650
Maximum resolutionKnown for one	Unknown — not stated by the source	3840 x 2400 pixels
Audioidentical
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Optical driveidentical
LightScribeKnown for one	Yes	Unknown — not stated by the source
Network2 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
Wireless technologyDiffers	Yes	Wi-Fi
Wi-Fi standardsKnown for one	802.11a, 802.11b, 802.11g	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces8 differ
USB 2.0 ports quantityDiffers	2	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	0
eSATA/USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityDiffers	0	1
DisplayPorts quantityDiffers	1	0
Firewire (IEEE 1394) portsDiffers	1	0
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
Docking connectorDiffers	Yes	No
SmartCard slotDiffers	Yes	No
Modem (RJ-11) portsDiffers	1	0
TV-in portKnown for one	Unknown — not stated by the source	No
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	0
Performance1 differ
Motherboard chipsetDiffers	Intel® QM57 Express	Intel® PM45 Express
Keyboardidentical
Numeric keypadKnown for one	Yes	Unknown — not stated by the source
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Premium
Operating system architectureKnown for one	32-bit	Unknown — not stated by the source
Processor special features20 differ
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableDiffers	Yes	No
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyDiffers	Yes	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Turbo Boost TechnologyDiffers	1.0	No
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Processor ARK IDDiffers	43560	37255
Processor codeDiffers	SLBPE	SLGF5
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	35 x 35 mm
Supported instruction setsKnown for one	SSE4.1/4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
Battery1 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsDiffers	8	6
Battery capacityKnown for one	68 Wh	Unknown — not stated by the source
Security1 differ
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Password protection typeDiffers	Yes	BIOS
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.95 kg	2.88 kg
WidthDiffers	373.5 mm	411.4 mm
DepthDiffers	251.5 mm	272.4 mm
HeightKnown for one	32.4 mm	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	3.26 cm
Height (rear)Known for one	Unknown — not stated by the source	3.96 cm
Other featuresidentical
Minimum storage drive spaceKnown for one	160 GB	Unknown — not stated by the source
Internal modemKnown for one	Yes	Unknown — not stated by the source
Intel segment taggingKnown for one	Enterprise	Unknown — not stated by the source
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power requirementsKnown for one	Unknown — not stated by the source	100 - 240V
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP

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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