Product comparison · 2 laptops

Acer Aspire 7745G vs HP EliteBook WD943EA Intel® Core™ i7 i7-840QM

121specifications compared
61differ
60identical
54known for one product only

Key differences

Product colour
- Aspire 7745G:Black
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:Black, Graphite
Display diagonal
- Aspire 7745G:43.9 cm (17.3")
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:43.2 cm (17")
Display resolution
- Aspire 7745G:1600 x 900 pixels
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:1920 x 1200 pixels
Native aspect ratio
- Aspire 7745G:16:9
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:16:10
Processor family
- Aspire 7745G:Intel® Core™ i5
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:Intel® Core™ i7
Processor generation
- Aspire 7745G:4th gen Intel® Core™ i5
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:Intel® Core™ i7
Processor model
- Aspire 7745G:i5-450M
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:i7-840QM
Processor cores
- Aspire 7745G:2
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:4

Side by side

Differences highlightedShow differences only

Comparison of Aspire 7745G, WD943EA
175 specifications	A Acer Aspire 7745G View product	B HP EliteBook WD943EA Intel® Core™ i7 i7-840QM Model WD943EA View product
Design1 differ
Product colourDiffers	Black	Black, Graphite
Form factorKnown for one	Unknown — not stated by the source	Clamshell
Country of originKnown for one	Unknown — not stated by the source	China
Display3 differ
Display diagonalDiffers	43.9 cm (17.3")	43.2 cm (17")
Display resolutionDiffers	1600 x 900 pixels	1920 x 1200 pixels
LED backlight	Yes	Yes
Native aspect ratioDiffers	16:9	16:10
Display surfaceKnown for one	Unknown — not stated by the source	Matt
HD typeKnown for one	HD+	Unknown — not stated by the source
Display brightnessKnown for one	220 cd/m²	Unknown — not stated by the source
Processor19 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	4th gen Intel® Core™ i5	Intel® Core™ i7
Processor modelDiffers	i5-450M	i7-840QM
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	2.66 GHz	3.2 GHz
Processor frequencyDiffers	2.4 GHz	1.86 GHz
System bus rateDiffers	4.8 GT/s	2.5 GT/s
Processor cacheDiffers	3 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	Socket 988	Socket 988
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-400 Series	Intel Core i7-800 Mobile Series
Processor codenameDiffers	Arrandale	Clarksfield
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	K0	B1
Thermal Design Power (TDP)Differs	35 W	45 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16	1x16, 2x8
PCI Express slots version	2.0	2.0
Number of Processing Die TransistorsDiffers	382 M	774 M
Processing Die sizeDiffers	81 mm²	296 mm²
CPU multiplier (bus/core ratio)Differs	18	14
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	4 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1066 MHz	1333 MHz
Maximum internal memoryDiffers	16 GB	32 GB
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	640 GB	500 GB
Storage mediaKnown for one	Unknown — not stated by the source	HDD
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceDiffers	SATA	SATA II
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Optical drive typeDiffers	DVD-RW	Blu-Ray DVD Combo
Card reader integrated	Yes	Yes
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO, SD, xD	Unknown — not stated by the source
Graphics3 differ
On-board graphics cardDiffers	Yes	No
Graphics card familyDiffers	AMD	NVIDIA
On-board graphics card modelDiffers	Intel® HD Graphics	Not available
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	AMD Radeon HD 5650	Unknown — not stated by the source
On-board graphics card familyKnown 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
Audioidentical
Audio system	HD	HD
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Number of built-in speakers	2	2
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Built-in subwooferKnown for one	Yes	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet, WLAN
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11a, 802.11b, 802.11g
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces9 differ
USB 2.0 ports quantityDiffers	4	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	2
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityDiffers	0	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	0	1
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputs	1	1
S/PDIF out portDiffers	Yes	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
Modem (RJ-11) ports	1	1
TV-out	No	No
TV-in portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel® HM55 Express	Intel® QM57 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypadKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features12 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
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	Yes	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	Yes
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)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	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)	Yes	Yes
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Turbo Boost Technology	1.0	1.0
Physical Address Extension (PAE)	36 bit	36 bit
Processor ARK IDDiffers	49022	43125
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	37.5 x 37.5 mm
Supported instruction setsDiffers	SSE4.1/4.2	SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Processor codeKnown for one	SLBTZ	Unknown — not stated by the source
Battery1 differ
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	6	8
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Battery life (max)Known for one	4 h	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	48.8 W	200 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	3.25 kg	3.57 kg
WidthDiffers	410 mm	397.5 mm
DepthDiffers	286 mm	285.5 mm
HeightKnown for one	Unknown — not stated by the source	36.5 mm
Height (front)Known for one	3.5 cm	Unknown — not stated by the source
Height (rear)Known for one	4.15 cm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Minimum storage drive spaceKnown for one	Unknown — not stated by the source	250 GB
Internal modem	Yes	Yes
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	v.92
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise
Supplied AC adapter type	AC	AC
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
TV tuner integratedKnown for one	No	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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