Product comparison · 2 pcs/workstations

HP Compaq Pro AX351AW PC Intel® Core™2 Duo E8400 vs Lenovo ThinkCentre M91 Intel® Pentium® G620

75specifications compared
29differ
46identical
75known for one product only

Key differences

Processor family
- Compaq Pro AX351AW PC Intel® Core™2 Duo E8400:Intel® Core™2 Duo
- ThinkCentre M91 Intel® Pentium® G620:Intel® Pentium®
Processor model
- Compaq Pro AX351AW PC Intel® Core™2 Duo E8400:E8400
- ThinkCentre M91 Intel® Pentium® G620:G620
Processor frequency
- Compaq Pro AX351AW PC Intel® Core™2 Duo E8400:3 GHz
- ThinkCentre M91 Intel® Pentium® G620:2.6 GHz
Processor cache
- Compaq Pro AX351AW PC Intel® Core™2 Duo E8400:6 MB
- ThinkCentre M91 Intel® Pentium® G620:3 MB
Processor cache type
- Compaq Pro AX351AW PC Intel® Core™2 Duo E8400:L2
- ThinkCentre M91 Intel® Pentium® G620:Smart Cache
Bus type
- Compaq Pro AX351AW PC Intel® Core™2 Duo E8400:FSB
- ThinkCentre M91 Intel® Pentium® G620:DMI
Processor lithography
- Compaq Pro AX351AW PC Intel® Core™2 Duo E8400:45 nm
- ThinkCentre M91 Intel® Pentium® G620:32 nm
Processor codename
- Compaq Pro AX351AW PC Intel® Core™2 Duo E8400:Wolfdale
- ThinkCentre M91 Intel® Pentium® G620:Sandy Bridge

Side by side

Differences highlightedShow differences only

Comparison of AX351AW, M91
150 specifications	A HP Compaq Pro AX351AW PC Intel® Core™2 Duo E8400 Model AX351AW View product	B Lenovo ThinkCentre M91 Intel® Pentium® G620 Model M91 View product
Processor13 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Pentium®
Processor modelDiffers	E8400	G620
Processor frequencyDiffers	3 GHz	2.6 GHz
Processor cacheDiffers	6 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busKnown for one	1333 MHz	Unknown — not stated by the source
Bus typeDiffers	FSB	DMI
FSB ParityKnown for one	No	Unknown — not stated by the source
Processor lithographyDiffers	45 nm	32 nm
Processor seriesDiffers	Intel Core 2 Duo E8000 Series	Intel Pentium G600 Series for Desktop
Processor codenameDiffers	Wolfdale	Sandy Bridge
TcaseDiffers	72.4 °C	69.1 °C
Processor socketDiffers	LGA 775 (Socket T)	LGA 1155 (Socket H2)
Number of Processing Die TransistorsKnown for one	410 M	Unknown — not stated by the source
Processing Die sizeKnown for one	107 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	9	26
SteppingDiffers	E0	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
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
Memory1 differ
Maximum internal memoryKnown for one	16 GB	Unknown — not stated by the source
Memory slotsDiffers	4x DIMM	2x SO-DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Storage3 differ
Total storage capacityDiffers	250 GB	320 GB
Optical drive typeDiffers	DVD Super Multi	DVD-RW
Total HDDs capacityKnown for one	250 GB	Unknown — not stated by the source
HDD capacityDiffers	250 GB	320 GB
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Storage mediaKnown for one	Unknown — not stated by the source	HDD
Graphics1 differ
On-board graphics card modelDiffers	Not available	Intel® HD Graphics
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	Not available
On-board graphics card familyKnown 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
Performanceidentical
Motherboard chipsetKnown for one	Intel® Q43	Unknown — not stated by the source
Optical driveidentical
DVD interface typeKnown for one	SATA	Unknown — not stated by the source
Networkidentical
BluetoothKnown for one	No	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	No
Ports & interfacesidentical
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
Combo headphone/mic portKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
Expansion slotsidentical
Number of 3.5" baysKnown for one	2	Unknown — not stated by the source
PCI Express x1 slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Poweridentical
Power supply input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Power supply input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Power consumption (typical)Known for one	240 W	Unknown — not stated by the source
Designidentical
Chassis typeKnown for one	SFF	Unknown — not stated by the source
Number of 5.25" baysKnown for one	1	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
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 architectureDiffers	32-bit	64-bit
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Pre-installed softwareKnown for one	Microsoft Office 2010	Unknown — not stated by the source
Trial softwareKnown for one	McAfee Total Protection Anti-Virus	Unknown — not stated by the source
Processor special features10 differ
Embedded options availableDiffers	Yes	No
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
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 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 TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Processor ARK IDDiffers	33910	53480
Processor codeDiffers	SLB9J	SR05R
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
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.1, SSE4.2
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	No
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	337 mm	Unknown — not stated by the source
DepthKnown for one	378 mm	Unknown — not stated by the source
HeightKnown for one	100 mm	Unknown — not stated by the source
WeightKnown for one	7.26 kg	Unknown — not stated by the source
Packaging contentidentical
Remote control includedKnown for one	No	Unknown — not stated by the source
Multimediaidentical
Built-in cameraKnown for one	No	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
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	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
CertificationKnown for one	Unknown — not stated by the source	RoHS

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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