Product comparison · 2 pcs/workstations

Acer Aspire M7811-048 vs Lenovo ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X

104specifications compared
21differ
83identical
34known for one product only

Key differences

The Lenovo ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X has 0.27 GHz more processor frequency than the Acer Aspire M7811-048 (3.2 GHz vs 2.93 GHz). The Lenovo ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X has 2 more CPU multiplier (bus/core ratio) than the Acer Aspire M7811-048 (24 vs 22). The Acer Aspire M7811-048 has 4 GB more internal memory than the Lenovo ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X (8 GB vs 4 GB). Only the Acer Aspire M7811-048 has Wi-Fi. Only the Lenovo ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X has display included.

Processor family
- Aspire M7811-048:Intel® Core™ i3
- ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X:Intel® Core™ i5
Processor generation
- Aspire M7811-048:Intel® Core™ i3
- ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X:Intel® Core™ i5
Processor model
- Aspire M7811-048:i3-530
- ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X:i5-650
Processor frequency
- Aspire M7811-048:2.93 GHz
- ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X:3.2 GHz
CPU multiplier (bus/core ratio)
- Aspire M7811-048:22
- ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X:24
Internal memory
- Aspire M7811-048:8 GB
- ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X:4 GB
Memory layout (slots x size)
- Aspire M7811-048:4 x 2 GB
- ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X:2 x 2 GB
Total storage capacity
- Aspire M7811-048:2 TB
- ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X:500 GB

Side by side

Differences highlightedShow differences only

Comparison of Aspire M7811-048, ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X
138 specifications	A Acer Aspire M7811-048 View product	B Lenovo ThinkCentre M90p Tower (3282-A9G) + ThinkVision L2251X View product
Processor6 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor modelDiffers	i3-530	i5-650
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	2.93 GHz	3.2 GHz
Processor cache	4 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB Parity	No	No
System bus rate	2.5 GT/s	2.5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-500 Desktop Series	Intel Core i5-600 Desktop Series
Processor codename	Clarkdale	Clarkdale
Thermal Design Power (TDP)	73 W	73 W
Tcase	72.6 °C	72.6 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8	1x16, 2x8
PCI Express slots version	2.0	2.0
Processor socket	LGA 1156 (Socket H)	LGA 1156 (Socket H)
Number of Processing Die Transistors	382 M	382 M
Processing Die size	81 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	22	24
Stepping	C2	C2
Maximum internal memory supported by processor	16 GB	16 GB
Memory types supported by processor	DDR3 1066/1333	DDR3 1066/1333
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
ECC supported by processor	No	No
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.46 GHz
Number of processors installedKnown for one	Unknown — not stated by the source	1
Memory2 differ
Internal memoryDiffers	8 GB	4 GB
Maximum internal memory	8 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	4 x 2 GB	2 x 2 GB
Memory channels	Dual-channel	Dual-channel
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Storage2 differ
Total storage capacityDiffers	2 TB	500 GB
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
HDD interface	SATA II	SATA II
HDD speedDiffers	5400 RPM	7200 RPM
Card reader integrated	Yes	Yes
Floppy drive installed	No	No
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics card modelKnown for one	NVIDIA® GeForce® GT 330	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequency	733 MHz	733 MHz
Performanceidentical
Product type	PC	PC
Motherboard chipsetKnown for one	Intel® H57 Express	Unknown — not stated by the source
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
Network1 differ
Ethernet LAN	Yes	Yes
Wi-FiDiffers	Yes	No
Wake-on-LAN ready	Yes	Yes
Networking featuresKnown for one	Gigabit Ethernet, WLAN	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	1000 Mbit/s
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces2 differ
USB 2.0 ports quantity	8	8
HDMI ports quantityDiffers	1	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	Yes	Yes
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsDiffers	2	0
eSATA ports quantityKnown for one	2	Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Serial ports quantity	0	0
Parallel ports quantity	0	0
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Expansion slotsidentical
PCI Express x1 slotsKnown for one	2	Unknown — not stated by the source
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slots	1	1
PCI slotsKnown for one	Unknown — not stated by the source	1
Designidentical
Chassis type	Tower	Tower
Product colour	Black	Black
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Trial softwareKnown for one	- Microsoft Office 2007 + Microsoft Works 8.5 - McAfee Internet Security Suite 2009	Unknown — not stated by the source
Bundled softwareKnown for one	- Acer Arcade Deluxe - Acer eRecovery Management - Adobe Reader - eSobi - MyWinLocker - Nero 9 Essentials - Oberon GameZone	Unknown — not stated by the source
Optional operating system suppliedKnown for one	Unknown — not stated by the source	Windows XP 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
Processor special features5 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	45 nm	45 nm
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	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
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
Physical Address Extension (PAE)	36 bit	36 bit
Processor ARK IDDiffers	46472	43546
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	SSE4.2	SSE4.2
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
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
Audio1 differ
Audio systemDiffers	High Definition Audio	HDA
Weight & dimensionsidentical
WidthKnown for one	185 mm	Unknown — not stated by the source
DepthKnown for one	456 mm	Unknown — not stated by the source
HeightKnown for one	416 mm	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Remote control included	No	No
Other featuresidentical
TV tuner integrated	No	No
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	280 W
Power managementKnown for one	Unknown — not stated by the source	ACPI

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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