Product comparison · 2 pcs/workstations

Acer Aspire T135 Sempron3000+ 512MB 160GB QW vs Lenovo TS ThinkCentre A51 P4 640 512MB 80GB XPP

27specifications compared
14differ
13identical
83known for one product only

Key differences

The Lenovo TS ThinkCentre A51 P4 640 512MB 80GB XPP has 1.2 GHz more processor frequency than the Acer Aspire T135 Sempron3000+ 512MB 160GB QW (3.2 GHz vs 2 GHz). The Acer Aspire T135 Sempron3000+ 512MB 160GB QW has 80 GB more total storage capacity than the Lenovo TS ThinkCentre A51 P4 640 512MB 80GB XPP (160 GB vs 80 GB). The Lenovo TS ThinkCentre A51 P4 640 512MB 80GB XPP has 2 more USB 2.0 ports quantity than the Acer Aspire T135 Sempron3000+ 512MB 160GB QW (8 vs 6). Processor manufacturer: AMD on the Acer Aspire T135 Sempron3000+ 512MB 160GB QW, Intel on the Lenovo TS ThinkCentre A51 P4 640 512MB 80GB XPP. Processor family: AMD Sempron on the Acer Aspire T135 Sempron3000+ 512MB 160GB QW, Intel® Pentium® 4 on the Lenovo TS ThinkCentre A51 P4 640 512MB 80GB XPP.

Processor manufacturer
- Aspire T135 Sempron3000+ 512MB 160GB QW:AMD
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:Intel
Processor family
- Aspire T135 Sempron3000+ 512MB 160GB QW:AMD Sempron
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:Intel® Pentium® 4
Processor model
- Aspire T135 Sempron3000+ 512MB 160GB QW:3000+
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:640
Processor frequency
- Aspire T135 Sempron3000+ 512MB 160GB QW:2 GHz
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:3.2 GHz
Total storage capacity
- Aspire T135 Sempron3000+ 512MB 160GB QW:160 GB
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:80 GB
USB 2.0 ports quantity
- Aspire T135 Sempron3000+ 512MB 160GB QW:6
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:8
Serial ports quantity
- Aspire T135 Sempron3000+ 512MB 160GB QW:1
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:0
Chassis type
- Aspire T135 Sempron3000+ 512MB 160GB QW:Mini Tower
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:SFF

Side by side

Differences highlightedShow differences only

Comparison of Aspire T135 Sempron3000+ 512MB 160GB QW, TS ThinkCentre A51 P4 640 512MB 80GB XPP
110 specifications	A Acer Aspire T135 Sempron3000+ 512MB 160GB QW View product	B Lenovo TS ThinkCentre A51 P4 640 512MB 80GB XPP View product
Processor4 differ
Processor manufacturerDiffers	AMD	Intel
Processor familyDiffers	AMD Sempron	Intel® Pentium® 4
Processor modelDiffers	3000+	640
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	3.2 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 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
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
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	16
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.25 - 1.388 V
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	32 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	1066 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	17 GB/s
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memoryidentical
Internal memory	0.5 GB	0.5 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	2 GB
Internal memory type	DDR-SDRAM	DDR-SDRAM
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Storage1 differ
Total storage capacityDiffers	160 GB	80 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-ROM
Storage drive typeKnown 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
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 900
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	850 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
Video adapter resolutionKnown for one	Unknown — not stated by the source	2048x1536 16777216 colors
Video adapter, busKnown for one	Unknown — not stated by the source	PCI Express
Performanceidentical
Product type	PC	PC
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	48x
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
DVD read speedKnown for one	Unknown — not stated by the source	12x
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	6	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
Firewire (IEEE 1394) ports	0	0
Serial ports quantityDiffers	1	0
Parallel ports quantity	1	1
Modem (RJ-11) ports	0	0
USB 1.1 ports quantity	0	0
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
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
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	225 W
Design1 differ
Chassis typeDiffers	Mini Tower	SFF
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 (license), Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 OEM Version, PC Doctor diagnosti
Displayidentical
Display included	No	No
Processor special featuresidentical
CPU configuration (max)Known for one	Unknown — not stated by the source	1
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 Enhanced Halt StateKnown 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 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	27480
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.1/4.2
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
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	309 mm
DepthDiffers	420 mm	359 mm
HeightDiffers	360 mm	85 mm
WeightKnown for one	Unknown — not stated by the source	8.5 kg
Other featuresidentical
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 -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring featu
Bundled hardwareKnown for one	US Int. PS/2 keyboard & scroll mouse	Unknown — not stated by the source
Expansion slotsidentical
Expansion slotsKnown for one	3 x PCI	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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