Product comparison · 2 pcs/workstations

Acer ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN vs Lenovo ThinkCentre A51 P4 630 HT 3.0GHz

24specifications compared
14differ
10identical
72known for one product only

Key differences

The Lenovo ThinkCentre A51 P4 630 HT 3.0GHz has 1 GHz more processor frequency than the Acer ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN (3 GHz vs 2 GHz). The Acer ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN has 0.25 GB more internal memory than the Lenovo ThinkCentre A51 P4 630 HT 3.0GHz (0.5 GB vs 0.25 GB). The Acer ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN has 80 GB more total storage capacity than the Lenovo ThinkCentre A51 P4 630 HT 3.0GHz (160 GB vs 80 GB). Processor manufacturer: AMD on the Acer ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN, Intel on the Lenovo ThinkCentre A51 P4 630 HT 3.0GHz. Processor family: AMD Sempron on the Acer ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN, Intel® Pentium® 4 on the Lenovo ThinkCentre A51 P4 630 HT 3.0GHz.

Processor manufacturer
- ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN:AMD
- ThinkCentre A51 P4 630 HT 3.0GHz:Intel
Processor family
- ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN:AMD Sempron
- ThinkCentre A51 P4 630 HT 3.0GHz:Intel® Pentium® 4
Processor model
- ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN:3000+
- ThinkCentre A51 P4 630 HT 3.0GHz:630
Processor frequency
- ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN:2 GHz
- ThinkCentre A51 P4 630 HT 3.0GHz:3 GHz
Internal memory
- ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN:0.5 GB
- ThinkCentre A51 P4 630 HT 3.0GHz:0.25 GB
Internal memory type
- ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN:DDR-SDRAM
- ThinkCentre A51 P4 630 HT 3.0GHz:DDR2-SDRAM
Total storage capacity
- ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN:160 GB
- ThinkCentre A51 P4 630 HT 3.0GHz:80 GB
Optical drive type
- ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN:DVD-RW
- ThinkCentre A51 P4 630 HT 3.0GHz:DVD-ROM

Side by side

Differences highlightedShow differences only

Comparison of ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN, ThinkCentre A51 P4 630 HT 3.0GHz
96 specifications	A Acer ASPIRE T135 SEMPRON 3000+ XPH 512MB 160GB DVD RW MULTI9-IN1 LAN View product	B Lenovo ThinkCentre A51 P4 630 HT 3.0GHz View product
Processor4 differ
Processor manufacturerDiffers	AMD	Intel
Processor familyDiffers	AMD Sempron	Intel® Pentium® 4
Processor modelDiffers	3000+	630
Processor coresKnown for one	Unknown — not stated by the source	1
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	2 GHz	3 GHz
Processor cacheKnown for one	Unknown — not stated by the source	2 MB
Processor cache typeKnown for one	Unknown — not stated by the source	L2
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Bus typeKnown for one	Unknown — not stated by the source	FSB
FSB ParityKnown for one	Unknown — not stated by the source	No
Processor lithographyKnown for one	Unknown — not stated by the source	90 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Pentium 4 600 Series supporting Hyper-Threading Technology
Processor codenameKnown for one	Unknown — not stated by the source	Prescott
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	84 W
TcaseKnown for one	Unknown — not stated by the source	66.6 °C
Processor socketKnown for one	Unknown — not stated by the source	LGA 775 (Socket T)
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	169 M
Processing Die sizeKnown for one	Unknown — not stated by the source	135 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	15
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory2 differ
Internal memoryDiffers	0.5 GB	0.25 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Internal memory typeDiffers	DDR-SDRAM	DDR2-SDRAM
Storage2 differ
Total storage capacityDiffers	160 GB	80 GB
Optical drive typeDiffers	DVD-RW	DVD-ROM
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Diskette drive memoryKnown for one	Unknown — not stated by the source	1.44 MB
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 900
Video adapter, busKnown for one	Unknown — not stated by the source	PCI Express
Performanceidentical
Product type	PC	PC
Optical driveidentical
DVD read speedKnown for one	Unknown — not stated by the source	16x
Ports & interfacesidentical
USB 2.0 ports quantity	6	6
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 quantity	1	1
Parallel ports quantity	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	Yes	Unknown — not stated by the source
TV-outKnown for one	No	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
USB 1.1 ports quantityKnown for one	0	Unknown — not stated by the source
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	310 W
Design1 differ
Chassis typeDiffers	Mini Tower	Tower
Software2 differ
Operating system installedDiffers	Windows XP Home Edition	Windows XP Professional
Bundled softwareDiffers	Norton AntiVirus 2005 (60days trail), Adobe Reader 7.0, CyberLink PowerDVD, with SuperMultiPlus, Quick Burning (NTI CD-Maker Gold), with SuperMultiPlus	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium edition (license), Access program, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnostics, ThinkVantage Rescue and Recovery with Rapid Restore
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	No
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	No
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Insider™Known for one	Unknown — not stated by the source	No
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Processor ARK IDKnown for one	Unknown — not stated by the source	27478
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 mm
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	SoundMAX Cadenza
Weight & dimensions3 differ
WidthDiffers	180 mm	178 mm
DepthDiffers	420 mm	450 mm
HeightDiffers	360 mm	430 mm
WeightKnown for one	Unknown — not stated by the source	12.5 kg
Other featuresidentical
Security featuresKnown for one	Unknown — not stated by the source	-Boot without keyboard or mouse -Boot sequence control -Configuration password -Diskette boot inhibit -Diskette I/O control -Hardfile I/O control -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature
Bundled hardwareKnown for one	US Int. PS/2 keyboard & scroll mouse	Unknown — not stated by the source
Networkidentical
Networking featuresKnown for one	Ethernet/Fast Ethernet	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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