Product comparison · 2 pcs/workstations

Acer Aspire M7811 vs Lenovo ThinkCentre M58 + ThinkVision L2251p

82specifications compared
38differ
44identical
39known for one product only

Key differences

Processor family
- Aspire M7811:Intel® Core™ i7
- ThinkCentre M58 + ThinkVision L2251p:Intel® Pentium®
Processor model
- Aspire M7811:i7-860
- ThinkCentre M58 + ThinkVision L2251p:E5400
Processor cores
- Aspire M7811:4
- ThinkCentre M58 + ThinkVision L2251p:2
Processor threads
- Aspire M7811:8
- ThinkCentre M58 + ThinkVision L2251p:2
Processor frequency
- Aspire M7811:2.8 GHz
- ThinkCentre M58 + ThinkVision L2251p:2.7 GHz
Processor cache
- Aspire M7811:8 MB
- ThinkCentre M58 + ThinkVision L2251p:2 MB
Processor cache type
- Aspire M7811:Smart Cache
- ThinkCentre M58 + ThinkVision L2251p:L2
Processor front side bus
- Aspire M7811:1333 MHz
- ThinkCentre M58 + ThinkVision L2251p:800 MHz

Side by side

Differences highlightedShow differences only

Comparison of Aspire M7811, ThinkCentre M58 + ThinkVision L2251p
121 specifications	A Acer Aspire M7811 View product	B Lenovo ThinkCentre M58 + ThinkVision L2251p View product
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Pentium®
Processor modelDiffers	i7-860	E5400
Processor coresDiffers	4	2
Processor threadsDiffers	8	2
Processor frequencyDiffers	2.8 GHz	2.7 GHz
Processor cacheDiffers	8 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor front side busDiffers	1333 MHz	800 MHz
Bus typeDiffers	DMI	FSB
FSB Parity	No	No
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-800 Desktop Series	Intel Pentium E5000 Series for Desktop
Processor codenameDiffers	Lynnfield	Wolfdale
Thermal Design Power (TDP)Differs	95 W	45, 65
TcaseDiffers	72.7 °C	74.1 °C
Processor socketDiffers	LGA 1156 (Socket H)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	774 M	228 M
Processing Die sizeDiffers	296 mm²	82 mm²
CPU multiplier (bus/core ratio)Differs	21	13.5
SteppingKnown for one	Unknown — not stated by the source	R0
ECC supported by processor	No	No
Processor generationKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Processor boost frequencyKnown for one	3.46 GHz	Unknown — not stated by the source
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
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
Maximum internal memory supported by processorKnown for one	16 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	1066,1333 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	6 GB	2 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	1.5 TB	320 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
HDD interface	SATA	SATA
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Card reader integratedDiffers	Yes	No
Floppy drive installed	No	No
Graphics2 differ
On-board graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 320	Intel® GMA 4500M
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Networkidentical
Ethernet LAN	Yes	Yes
Wi-Fi	No	No
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantity	8	8
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portDiffers	Yes	No
PS/2 ports quantity	2	2
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	1	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	130 W
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Chassis typeKnown for one	Tower	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	55.9 cm (22")
Display resolutionKnown for one	Unknown — not stated by the source	1680 x 1050 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 features9 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	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 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)	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	41316	40478
Processor codeKnown for one	Unknown — not stated by the source	SLGH7
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
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
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio 7.1	High Definition Audio
Weight & dimensions3 differ
WidthDiffers	192 mm	277 mm
DepthDiffers	453 mm	244 mm
HeightDiffers	435 mm	82 mm
WeightKnown for one	Unknown — not stated by the source	4.18 kg
Packaging contentidentical
Remote control included	No	No
Other featuresidentical
TV tuner integrated	No	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional

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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