Product comparison · 2 pcs/workstations

Acer eMachines ET1840 Intel® Celeron® 450 vs HP Essential 500B Intel® Core™2 Duo E7500

95specifications compared
37differ
58identical
31known for one product only

Key differences

The HP Essential 500B Intel® Core™2 Duo E7500 has 1 more processor cores than the Acer eMachines ET1840 Intel® Celeron® 450 (2 vs 1). The HP Essential 500B Intel® Core™2 Duo E7500 has 1 more processor threads than the Acer eMachines ET1840 Intel® Celeron® 450 (2 vs 1). The HP Essential 500B Intel® Core™2 Duo E7500 has 0.73 GHz more processor frequency than the Acer eMachines ET1840 Intel® Celeron® 450 (2.93 GHz vs 2.2 GHz). Only the Acer eMachines ET1840 Intel® Celeron® 450 has DVI port. Only the HP Essential 500B Intel® Core™2 Duo E7500 has enhanced Intel SpeedStep Technology.

Processor family
- eMachines ET1840 Intel® Celeron® 450:Intel® Celeron®
- Essential 500B Intel® Core™2 Duo E7500:Intel® Core™2 Duo
Processor model
- eMachines ET1840 Intel® Celeron® 450:450
- Essential 500B Intel® Core™2 Duo E7500:E7500
Processor cores
- eMachines ET1840 Intel® Celeron® 450:1
- Essential 500B Intel® Core™2 Duo E7500:2
Processor threads
- eMachines ET1840 Intel® Celeron® 450:1
- Essential 500B Intel® Core™2 Duo E7500:2
Processor frequency
- eMachines ET1840 Intel® Celeron® 450:2.2 GHz
- Essential 500B Intel® Core™2 Duo E7500:2.93 GHz
Processor cache
- eMachines ET1840 Intel® Celeron® 450:0.512 MB
- Essential 500B Intel® Core™2 Duo E7500:3 MB
Processor front side bus
- eMachines ET1840 Intel® Celeron® 450:800 MHz
- Essential 500B Intel® Core™2 Duo E7500:1066 MHz
Processor lithography
- eMachines ET1840 Intel® Celeron® 450:65 nm
- Essential 500B Intel® Core™2 Duo E7500:45 nm

Side by side

Differences highlightedShow differences only

Comparison of ET1840, 500B
126 specifications	A Acer eMachines ET1840 Intel® Celeron® 450 Model ET1840 View product	B HP Essential 500B Intel® Core™2 Duo E7500 Model 500B View product
Processor14 differ
Processor familyDiffers	Intel® Celeron®	Intel® Core™2 Duo
Processor modelDiffers	450	E7500
Processor coresDiffers	1	2
Processor threadsDiffers	1	2
Processor frequencyDiffers	2.2 GHz	2.93 GHz
Processor cacheDiffers	0.512 MB	3 MB
Processor front side busDiffers	800 MHz	1066 MHz
Processor lithographyDiffers	65 nm	45 nm
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo E7000 Series
Processor codenameDiffers	Conroe	Wolfdale
Thermal Design Power (TDP)Differs	35 W	65 W
TcaseDiffers	60.4 °C	74.1 °C
Number of Processing Die TransistorsDiffers	105 M	228 M
Processing Die sizeDiffers	77 mm²	82 mm²
SteppingDiffers	A1	R0
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Number of processors installedKnown for one	1	Unknown — not stated by the source
PlatformKnown for one	PC	Unknown — not stated by the source
Memory1 differ
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Memory busKnown for one	Unknown — not stated by the source	32 bit
Storage1 differ
Optical drive typeDiffers	DVD-RW	DVD Super Multi
Card reader integratedKnown for one	Unknown — not stated by the source	No
Graphics1 differ
Discrete graphics card modelDiffers	Intel 3100	Intel® GMA 4500
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	Yes
BD interface typeKnown for one	Unknown — not stated by the source	SATA
Network2 differ
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
BluetoothKnown for one	Unknown — not stated by the source	No
Networking featuresDiffers	Gigabit Ethernet	Realtek 8103EL
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	6	8
HDMI ports quantityDiffers	1	0
Headphone outputsDiffers	1	0
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
DVI portDiffers	Yes	No
PS/2 ports quantityDiffers	2	0
Expansion slots1 differ
PCI Express x1 slotsDiffers	1	2
Power1 differ
Power requirementsDiffers	100-240V	115V/230V
Power supplyKnown for one	Unknown — not stated by the source	300 W
Power supply typeKnown for one	AC	Unknown — not stated by the source
Designidentical
Country of originKnown for one	Unknown — not stated by the source	China
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Bundled softwareKnown for one	Unknown — not stated by the source	2007 Microsoft Office Ready PC Microsoft Office 2007 Small Business Microsoft Office 2007 Microsoft Office 2010 Professional Microsoft Office Home & Business 2010 Microsoft Office Starter 2010 Preloaded Microsoft Windows Virtual PC – XP Mozilla Firefox - HP Virtual Solutions Roxio Creator Business 1
Processor special features5 differ
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	2
Processor ARK IDDiffers	35239	36503
Processor codeDiffers	SLAFZ	SLB9Z
Processor package sizeDiffers	37.5 mm	37.5 x 37.5 mm
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	HD	Realtek ALC662
SpeakersKnown for one	Unknown — not stated by the source	No
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Weight & dimensions3 differ
WidthDiffers	180 mm	166 mm
DepthDiffers	411 mm	428 mm
HeightDiffers	361 mm	384 mm
WeightKnown for one	Unknown — not stated by the source	10.2 kg
Packaging content1 differ
Mouse includedKnown for one	Unknown — not stated by the source	No
Keyboard includedKnown for one	Unknown — not stated by the source	No
Remote control includedDiffers	No	Yes
Multimediaidentical
Built-in cameraKnown for one	Unknown — not stated by the source	No
Certificatesidentical
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
CertificationKnown for one	CE, CB, FCC	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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