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 manufacturer	Intel	Intel
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 cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithographyDiffers	65 nm	45 nm
Processor operating modes	64-bit	64-bit
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
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	105 M	228 M
Processing Die sizeDiffers	77 mm²	82 mm²
CPU multiplier (bus/core ratio)	11	11
SteppingDiffers	A1	R0
ECC supported by processor	No	No
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	2 GB	2 GB
Maximum internal memory	4 GB	4 GB
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 slots	2x DIMM	2x DIMM
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
Total storage capacity	500 GB	500 GB
Optical drive typeDiffers	DVD-RW	DVD Super Multi
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedKnown for one	Unknown — not stated by the source	No
Floppy drive installed	No	No
Graphics1 differ
Discrete graphics card modelDiffers	Intel 3100	Intel® GMA 4500
Graphics card family	Intel	Intel
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
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	Yes	Yes
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
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
HDMI ports quantityDiffers	1	0
Ethernet LAN (RJ-45) ports	1	1
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
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portDiffers	Yes	No
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) ports	0	0
Serial ports quantity	0	0
Parallel ports quantity	0	0
Expansion slots1 differ
PCI Express x1 slotsDiffers	1	2
PCI Express x16 slots	1	1
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
Chassis type	Micro Tower	Micro Tower
Product colour	Black	Black
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
Displayidentical
Display included	No	No
Processor special features5 differ
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable Bit	Yes	Yes
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	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)Differs	No	2
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	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® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	35239	36503
Processor codeDiffers	SLAFZ	SLB9Z
Processor package sizeDiffers	37.5 mm	37.5 x 37.5 mm
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
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
Other featuresidentical
TV tuner integrated	No	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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