Product comparison · 2 pcs/workstations

Acer Veriton 3900Pro vs Lenovo ThinkCentre M51 Intel® Pentium® 4

30specifications compared
15differ
15identical
59known for one product only

Key differences

Processor family
- Veriton 3900Pro:Intel® Core™2 Duo
- ThinkCentre M51 Intel® Pentium® 4:Intel® Pentium® 4
Processor frequency
- Veriton 3900Pro:1.8 GHz
- ThinkCentre M51 Intel® Pentium® 4:3.2 GHz
Maximum internal memory
- Veriton 3900Pro:8 GB
- ThinkCentre M51 Intel® Pentium® 4:4 GB
Internal memory type
- Veriton 3900Pro:DDR2-SDRAM
- ThinkCentre M51 Intel® Pentium® 4:DDR-SDRAM
Total storage capacity
- Veriton 3900Pro:80 GB
- ThinkCentre M51 Intel® Pentium® 4:40 GB
Optical drive type
- Veriton 3900Pro:DVD-ROM
- ThinkCentre M51 Intel® Pentium® 4:CD-ROM
Discrete graphics card model
- Veriton 3900Pro:Intel® GMA 3000
- ThinkCentre M51 Intel® Pentium® 4:Intel® GMA 900
Power supply
- Veriton 3900Pro:250 W
- ThinkCentre M51 Intel® Pentium® 4:310 W

Side by side

Differences highlightedShow differences only

Comparison of Veriton 3900Pro, M51
89 specifications	A Acer Veriton 3900Pro View product	B Lenovo ThinkCentre M51 Intel® Pentium® 4 Model M51 View product
Processor2 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Pentium® 4
Processor modelKnown for one	E4300	Unknown — not stated by the source
Processor coresKnown for one	2	Unknown — not stated by the source
Processor threadsKnown for one	2	Unknown — not stated by the source
Processor frequencyDiffers	1.8 GHz	3.2 GHz
Processor cacheKnown for one	2 MB	Unknown — not stated by the source
Processor cache typeKnown for one	L2	Unknown — not stated by the source
Processor front side bus	800 MHz	800 MHz
Bus typeKnown for one	FSB	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
Processor lithographyKnown for one	65 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core 2 Duo E4000 Series	Unknown — not stated by the source
Processor codenameKnown for one	Conroe	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	65 W	Unknown — not stated by the source
Scenario Design Power (SDP)Known for one	12 W	Unknown — not stated by the source
TcaseKnown for one	61.4 °C	Unknown — not stated by the source
Processor socketKnown for one	LGA 775 (Socket T)	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	167 M	Unknown — not stated by the source
Processing Die sizeKnown for one	111 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	9	Unknown — not stated by the source
Processor core voltage (AC)Known for one	1.225 - 1.325 V	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory2 differ
Internal memory	0.5 GB	0.5 GB
Maximum internal memoryDiffers	8 GB	4 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR-SDRAM
Storage2 differ
Total storage capacityDiffers	80 GB	40 GB
Optical drive typeDiffers	DVD-ROM	CD-ROM
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Diskette drive memoryKnown for one	Unknown — not stated by the source	1.44 MB
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 3000	Intel® GMA 900
Performanceidentical
Product type	PC	PC
Network1 differ
Networking featuresDiffers	Gigabit Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
PS/2 ports quantity	2	2
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Parallel ports quantity	1	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power supplyDiffers	250 W	310 W
Design1 differ
Chassis typeDiffers	SFF	Tower
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareDiffers	Acer Empowering Technology, LANScope, Norton AntiVirus (trial), Adobe Reader, NTI CD-Maker Gold	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Norton AntiVirus 2004, PC Doctor diagnostics, Access Program, ThinkVantage Client Security Solution, ThinkVantage Rescue and Recovery with Rapid Restore, IBM Director Agent (web deliverable)
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options availableKnown for one	Yes	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Processor ARK IDKnown for one	28024	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	101 mm	175 mm
DepthDiffers	415 mm	450 mm
HeightDiffers	345 mm	492 mm
WeightKnown for one	Unknown — not stated by the source	13.5 kg
Other features1 differ
Intel segment taggingDiffers	Enterprise, Small Business	Enterprise, Professional
Security featuresKnown for one	Unknown — not stated by the source	-Boot without keyboard or mouse -Configuration password -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Padlock loop -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	48x
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	SoundMAX Cadenza

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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