Product comparison · 2 pcs/workstations

Acer Aspire X3450 Intel® Celeron® 220 vs Lenovo M91 + ThinkVision L2251p

74specifications compared
35differ
39identical
60known for one product only

Key differences

Processor family
- Aspire X3450 Intel® Celeron® 220:Intel® Celeron®
- M91 + ThinkVision L2251p:Intel® Pentium®
Processor model
- Aspire X3450 Intel® Celeron® 220:220
- M91 + ThinkVision L2251p:G620
Processor cores
- Aspire X3450 Intel® Celeron® 220:1
- M91 + ThinkVision L2251p:2
Processor threads
- Aspire X3450 Intel® Celeron® 220:1
- M91 + ThinkVision L2251p:2
Processor frequency
- Aspire X3450 Intel® Celeron® 220:1.2 GHz
- M91 + ThinkVision L2251p:2.6 GHz
Processor cache
- Aspire X3450 Intel® Celeron® 220:0.512 MB
- M91 + ThinkVision L2251p:3 MB
Processor cache type
- Aspire X3450 Intel® Celeron® 220:L2
- M91 + ThinkVision L2251p:Smart Cache
Bus type
- Aspire X3450 Intel® Celeron® 220:FSB
- M91 + ThinkVision L2251p:DMI

Side by side

Differences highlightedShow differences only

Comparison of X3450, M91 + ThinkVision L2251p
134 specifications	A Acer Aspire X3450 Intel® Celeron® 220 Model X3450 View product	B Lenovo M91 + ThinkVision L2251p View product
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Pentium®
Processor modelDiffers	220	G620
Processor coresDiffers	1	2
Processor threadsDiffers	1	2
Processor frequencyDiffers	1.2 GHz	2.6 GHz
Processor cacheDiffers	0.512 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busKnown for one	533 MHz	Unknown — not stated by the source
Bus typeDiffers	FSB	DMI
FSB ParityKnown for one	No	Unknown — not stated by the source
Processor lithographyDiffers	65 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Celeron Processor 200 Series for Desktop	Intel Pentium G600 Series for Desktop
Processor codenameDiffers	Conroe	Sandy Bridge
Thermal Design Power (TDP)Differs	18.2, 19	65 W
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Number of processors installed	1	1
Processor socketDiffers	Socket 479	LGA 1155 (Socket H2)
Number of Processing Die TransistorsKnown for one	105 M	Unknown — not stated by the source
Processing Die sizeKnown for one	77 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	12	26
PlatformKnown for one	PC	Unknown — not stated by the source
SteppingDiffers	A1	Q0
ECC supported by processorKnown for one	No	Unknown — not stated by the source
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
TcaseKnown for one	Unknown — not stated by the source	69.1 °C
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
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
Memory3 differ
Internal memoryDiffers	4 GB	2 GB
Maximum internal memoryKnown for one	16 GB	Unknown — not stated by the source
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 1 + 1 x 2 GB	1 x 2 GB
Memory slotsDiffers	4x DIMM	2x SO-DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Storage3 differ
Total storage capacityDiffers	500 GB	320 GB
Optical drive typeDiffers	DVD Super Multi	DVD-RW
Number of HDDs installed	1	1
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Card reader integratedDiffers	Yes	No
Performanceidentical
Product type	PC	PC
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Wi-Fi	No	No
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	11	10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
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	No	No
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Firewire (IEEE 1394) ports	0	0
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	Unknown — not stated by the source	1
Poweridentical
Power supplyKnown for one	220 W	Unknown — not stated by the source
Designidentical
Chassis typeKnown for one	Tower	Unknown — not stated by the source
Product colour	Black	Black
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Mac compatibilityKnown for one	No	Unknown — not stated by the source
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 features10 differ
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	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)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	33102	53480
Processor codeDiffers	SLAF2	SR05R
Processor package sizeDiffers	35 x 35 mm	37.5 x 37.5 mm
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)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.1, SSE4.2
Weight & dimensionsidentical
WidthKnown for one	100 mm	Unknown — not stated by the source
DepthKnown for one	367 mm	Unknown — not stated by the source
HeightKnown for one	270 mm	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Keyboard includedKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
CertificationKnown for one	Unknown — not stated by the source	RoHS
Keyboardidentical
Keyboard layoutKnown for one	AZERTY	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® 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
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HD
Other featuresidentical
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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