Product comparison · 2 pcs/workstations

Acer Aspire X3900 Intel® Core™ i5 i5-650 vs HP dc7900 MT + LE2001w

88specifications compared
47differ
41identical
45known for one product only

Key differences

Processor family
- Aspire X3900 Intel® Core™ i5 i5-650:Intel® Core™ i5
- dc7900 MT + LE2001w:Intel® Pentium®
Processor model
- Aspire X3900 Intel® Core™ i5 i5-650:i5-650
- dc7900 MT + LE2001w:E5300
Processor threads
- Aspire X3900 Intel® Core™ i5 i5-650:4
- dc7900 MT + LE2001w:2
Processor frequency
- Aspire X3900 Intel® Core™ i5 i5-650:3.2 GHz
- dc7900 MT + LE2001w:2.6 GHz
Processor cache
- Aspire X3900 Intel® Core™ i5 i5-650:4 MB
- dc7900 MT + LE2001w:2 MB
Processor cache type
- Aspire X3900 Intel® Core™ i5 i5-650:Smart Cache
- dc7900 MT + LE2001w:L2
Bus type
- Aspire X3900 Intel® Core™ i5 i5-650:DMI
- dc7900 MT + LE2001w:FSB
Processor lithography
- Aspire X3900 Intel® Core™ i5 i5-650:32 nm
- dc7900 MT + LE2001w:45 nm

Side by side

Differences highlightedShow differences only

Comparison of X3900, dc7900 MT + LE2001w
133 specifications	A Acer Aspire X3900 Intel® Core™ i5 i5-650 Model X3900 View product	B HP dc7900 MT + LE2001w View product
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Pentium®
Processor generationKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-650	E5300
Processor cores	2	2
Processor threadsDiffers	4	2
Processor boost frequencyKnown for one	3.46 GHz	Unknown — not stated by the source
Processor frequencyDiffers	3.2 GHz	2.6 GHz
Processor cacheDiffers	4 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Bus typeDiffers	DMI	FSB
FSB Parity	No	No
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-600 Desktop Series	Intel Pentium E5000 Series for Desktop
Processor codenameDiffers	Clarkdale	Wolfdale
Thermal Design Power (TDP)Differs	73 W	65 W
TcaseDiffers	72.6 °C	74.1 °C
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Processor socketDiffers	LGA 1156 (Socket H)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	382 M	228 M
Processing Die sizeDiffers	81 mm²	82 mm²
CPU multiplier (bus/core ratio)Differs	24	13
SteppingDiffers	C2	R0
Maximum internal memory supported by processorKnown for one	16 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3 1066/1333	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
ECC supported by processor	No	No
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Memory3 differ
Internal memoryDiffers	4 GB	2 GB
Maximum internal memoryDiffers	8 GB	16 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	1 TB	160 GB
Optical drive typeDiffers	DVD-RW	DVD±RW
HDD interface	SATA	SATA
Card reader integratedDiffers	Yes	No
Floppy drive installed	No	No
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Radeon HD 4650	Intel® GMA 4500M
Discrete graphics card memoryKnown for one	1 GB	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 modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	733 MHz	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	1.919 GB	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Audio output channelsKnown for one	5.1 channels	Unknown — not stated by the source
Networkidentical
Ethernet LAN	Yes	Yes
Wi-Fi	No	No
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	9	8
HDMI ports quantityDiffers	1	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsDiffers	1	0
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Serial ports quantityDiffers	0	1
Parallel ports quantity	0	0
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Poweridentical
Power supplyKnown for one	220 W	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	SFF	Mini Tower
Product colourKnown for one	Black	Unknown — not stated by the source
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Country of originKnown for one	Unknown — not stated by the source	China
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows Vista Business
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Trial softwareKnown for one	-Microsoft Works with Office Home & Student 2007 -McAfee Internet Security Suite 2009	Unknown — not stated by the source
Bundled softwareKnown for one	-Acer eRecovery Management -Acer Arcade Deluxe -Adobe Reader -eSobi -MyWinLocker -Nero 9 Essentials -Oberon GameZone	Unknown — not stated by the source
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	50.8 cm (20")
Display resolutionKnown for one	Unknown — not stated by the source	1600 x 900 pixels
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	170°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	160°
Processor special features13 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	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 Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	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	2
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)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Processor ARK IDDiffers	43546	35300
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	1.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	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
Processor codeKnown for one	Unknown — not stated by the source	SLB9U
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Weight & dimensions3 differ
WidthDiffers	100 mm	177 mm
DepthDiffers	352 mm	452 mm
HeightDiffers	265 mm	447 mm
WeightKnown for one	Unknown — not stated by the source	11.8 kg
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Remote control included	No	No
Other featuresidentical
TV tuner integrated	No	No

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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