Product comparison · 2 pcs/workstations

Acer Extensa PS.X08EC.016 PC Intel® Celeron® E3500 vs Lenovo ThinkCentre M55 8811

99specifications compared
32differ
67identical
49known for one product only

Key differences

The Acer Extensa PS.X08EC.016 PC Intel® Celeron® E3500 has 0.84 GHz more processor frequency than the Lenovo ThinkCentre M55 8811 (2.7 GHz vs 1.86 GHz). The Lenovo ThinkCentre M55 8811 has 1 MB more processor cache than the Acer Extensa PS.X08EC.016 PC Intel® Celeron® E3500 (2 MB vs 1 MB). The Lenovo ThinkCentre M55 8811 has 266 MHz more processor front side bus than the Acer Extensa PS.X08EC.016 PC Intel® Celeron® E3500 (1066 MHz vs 800 MHz). Only the Acer Extensa PS.X08EC.016 PC Intel® Celeron® E3500 has card reader integrated. Only the Acer Extensa PS.X08EC.016 PC Intel® Celeron® E3500 has DVI port.

Processor family
- Extensa PS.X08EC.016 PC Intel® Celeron® E3500:Intel® Celeron®
- ThinkCentre M55 8811:Intel® Core™2 Duo
Processor model
- Extensa PS.X08EC.016 PC Intel® Celeron® E3500:E3500
- ThinkCentre M55 8811:E6300
Processor frequency
- Extensa PS.X08EC.016 PC Intel® Celeron® E3500:2.7 GHz
- ThinkCentre M55 8811:1.86 GHz
Processor cache
- Extensa PS.X08EC.016 PC Intel® Celeron® E3500:1 MB
- ThinkCentre M55 8811:2 MB
Processor cache type
- Extensa PS.X08EC.016 PC Intel® Celeron® E3500:Smart Cache
- ThinkCentre M55 8811:L2
Processor front side bus
- Extensa PS.X08EC.016 PC Intel® Celeron® E3500:800 MHz
- ThinkCentre M55 8811:1066 MHz
Processor lithography
- Extensa PS.X08EC.016 PC Intel® Celeron® E3500:45 nm
- ThinkCentre M55 8811:65 nm
Processor codename
- Extensa PS.X08EC.016 PC Intel® Celeron® E3500:Wolfdale
- ThinkCentre M55 8811:Conroe

Side by side

Differences highlightedShow differences only

Comparison of PS.X08EC.016, ThinkCentre M55 8811
148 specifications	A Acer Extensa PS.X08EC.016 PC Intel® Celeron® E3500 Model PS.X08EC.016 View product	B Lenovo ThinkCentre M55 8811 View product
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™2 Duo
Processor modelDiffers	E3500	E6300
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.7 GHz	1.86 GHz
Processor cacheDiffers	1 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor front side busDiffers	800 MHz	1066 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithographyDiffers	45 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Intel Celeron Processor E3000 Series for Desktop	Unknown — not stated by the source
Processor codenameDiffers	Wolfdale	Conroe
Thermal Design Power (TDP)	65 W	65 W
TcaseDiffers	74.1 °C	61.4 °C
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
CPU multiplier (bus/core ratio)Differs	13.5	7
Stepping	R0	R0
ECC supported by processor	No	No
Number of processors installedKnown for one	Unknown — not stated by the source	1
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	167 M
Processing Die sizeKnown for one	Unknown — not stated by the source	111 mm²
PlatformKnown for one	Unknown — not stated by the source	PC
Memory4 differ
Internal memoryDiffers	2 GB	1 GB
Maximum internal memory	8 GB	8 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Differs	1 x 2 GB	1 x 1 GB
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Memory clock speedDiffers	1333 MHz	667 MHz
Storage3 differ
Total storage capacityDiffers	320 GB	160 GB
Optical drive typeDiffers	DVD Super Multi DL	DVD-ROM
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	320 GB	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedDiffers	Yes	No
Floppy drive installedKnown for one	Unknown — not stated by the source	No
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA X4500	Intel® GMA 3000
Graphics card family	Intel	Intel
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® G43	Intel® Q965 Express
Optical driveidentical
BD interface typeKnown for one	SATA	Unknown — not stated by the source
Networkidentical
Ethernet LAN	Yes	Yes
Wi-Fi	No	No
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantity	8	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portDiffers	Yes	No
Mini HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
PS/2 ports quantity	0	0
Firewire (IEEE 1394) ports	0	0
eSATA ports quantityKnown 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	No	Unknown — not stated by the source
TV-outKnown for one	No	Unknown — not stated by the source
Serial ports quantity	1	1
Parallel ports quantityDiffers	0	1
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
USB 1.1 ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x1 slots	1	1
PCI Express x4 slotsKnown for one	0	Unknown — not stated by the source
PCI Express x8 slotsKnown for one	0	Unknown — not stated by the source
PCI Express x16 slots	1	1
Mini PCI Express slotsKnown for one	0	Unknown — not stated by the source
PCI slots	2	2
AGP x4 slotsKnown for one	0	Unknown — not stated by the source
AGP x8 slotsKnown for one	0	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	250 W	310 W
Power supply typeKnown for one	Unknown — not stated by the source	AC
Power requirementsKnown for one	Unknown — not stated by the source	120 - 230 V
Design1 differ
Chassis typeDiffers	Mini Tower	Tower
Product colour	Black	Black
External drive baysKnown for one	Unknown — not stated by the source	2 x 5.25", 1 x 3.5"
Internal drive baysKnown for one	Unknown — not stated by the source	2 x 3.5"
Software1 differ
Operating system installedDiffers	Linux	Windows XP Professional
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	47 cm (18.5")	Unknown — not stated by the source
Display resolutionKnown for one	1366 x 768 pixels	Unknown — not stated by the source
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Contrast ratio (typical)Known for one	5000:1	Unknown — not stated by the source
TouchscreenKnown for one	No	Unknown — not stated by the source
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
DisplayKnown for one	TN+Film	Unknown — not stated by the source
Processor special features2 differ
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	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)	Yes	Yes
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	42773	27248
Processor codeDiffers	SLGTY	SLGW2
Processor package size	37.5 X 37.5 mm	37.5 x 37.5 mm
Supported instruction setsKnown for one	SSE2, SSE3, SSSE3	Unknown — not stated by the source
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
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Audio1 differ
Audio systemDiffers	HD	High Definition Audio
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	180 mm	178 mm
DepthDiffers	449 mm	450 mm
HeightDiffers	359 mm	432 mm
WeightDiffers	15 kg	12.5 kg
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Keyboard includedKnown for one	Yes	Unknown — not stated by the source
Remote control included	No	No
Multimediaidentical
Built-in cameraKnown for one	No	Unknown — not stated by the source
Other featuresidentical
TV tuner integrated	No	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional
Certificatesidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE802.3, IEEE802.3u, IEEE802.3ab

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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