Product comparison · 2 pcs/workstations

Lenovo ThinkCentre SJCACFR+T72HNEU PC Intel® Core™2 Duo E7400 vs Lenovo ThinkCentre A55+T31HNEU

109specifications compared
41differ
68identical
19known for one product only

Key differences

Processor model
- ThinkCentre SJCACFR+T72HNEU PC Intel® Core™2 Duo E7400:E7400
- ThinkCentre A55+T31HNEU:E4500
Processor frequency
- ThinkCentre SJCACFR+T72HNEU PC Intel® Core™2 Duo E7400:2.8 GHz
- ThinkCentre A55+T31HNEU:2.2 GHz
Processor cache
- ThinkCentre SJCACFR+T72HNEU PC Intel® Core™2 Duo E7400:3 MB
- ThinkCentre A55+T31HNEU:2 MB
Processor front side bus
- ThinkCentre SJCACFR+T72HNEU PC Intel® Core™2 Duo E7400:1066 MHz
- ThinkCentre A55+T31HNEU:800 MHz
Processor lithography
- ThinkCentre SJCACFR+T72HNEU PC Intel® Core™2 Duo E7400:45 nm
- ThinkCentre A55+T31HNEU:65 nm
Processor codename
- ThinkCentre SJCACFR+T72HNEU PC Intel® Core™2 Duo E7400:Wolfdale
- ThinkCentre A55+T31HNEU:Conroe
Tcase
- ThinkCentre SJCACFR+T72HNEU PC Intel® Core™2 Duo E7400:74.1 °C
- ThinkCentre A55+T31HNEU:73.3 °C
Number of Processing Die Transistors
- ThinkCentre SJCACFR+T72HNEU PC Intel® Core™2 Duo E7400:228 M
- ThinkCentre A55+T31HNEU:167 M

Side by side

Differences highlightedShow differences only

Comparison of SJCACFR+T72HNEU, ThinkCentre A55+T31HNEU
128 specifications	A Lenovo ThinkCentre SJCACFR+T72HNEU PC Intel® Core™2 Duo E7400 Model SJCACFR+T72HNEU View product	B Lenovo ThinkCentre A55+T31HNEU View product
Processor12 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	E7400	E4500
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.8 GHz	2.2 GHz
Processor cacheDiffers	3 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	1066 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithographyDiffers	45 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo E7000 Series	Intel Core 2 Duo E4000 Series
Processor codenameDiffers	Wolfdale	Conroe
Thermal Design Power (TDP)	65 W	65 W
TcaseDiffers	74.1 °C	73.3 °C
Number of processors installedKnown for one	Unknown — not stated by the source	1
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	228 M	167 M
Processing Die sizeDiffers	82 mm²	111 mm²
CPU multiplier (bus/core ratio)Differs	10.5	11
Platform	PC	PC
Processor core voltage (AC)Known for one	Unknown — not stated by the source	0.85 - 1.5 V
SteppingDiffers	R0	M0
ECC supported by processor	No	No
Memory5 differ
Internal memoryDiffers	2 GB	1 GB
Maximum internal memoryDiffers	8 GB	4 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	Unknown — not stated by the source	2x DIMM
Memory clock speedDiffers	1066 MHz	667 MHz
Storage1 differ
Total storage capacityDiffers	320 GB	160 GB
Optical drive type	DVD-RW	DVD-RW
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Drive device, transfer rateKnown for one	Unknown — not stated by the source	300 MB/s
Floppy drive installed	No	No
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA 4500M	Intel® GMA 3000
Graphics card RAMDACKnown for one	Unknown — not stated by the source	400 MHz
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.256 GB
Graphics card family	Intel	Intel
Performanceidentical
Product type	PC	PC
Password protection type	BIOS	BIOS
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	1000 Mbit/s	10,100,1000 Mbit/s
Wi-Fi	No	No
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	8	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
PS/2 ports quantityDiffers	0	2
Firewire (IEEE 1394) ports	0	0
Serial ports quantityDiffers	0	1
Parallel ports quantityDiffers	0	1
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Expansion slots1 differ
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	1
PCI slotsDiffers	1	2
Power1 differ
Power supplyDiffers	130 W	280 W
Designidentical
Chassis typeKnown for one	Unknown — not stated by the source	Tower
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
Product colour	Black	Black
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareDiffers	Adobe Acrobat Reader Roxio Creator Business Edition Intervideo WinDVD PC-Doctor Sun JRE ThinkVantage Fingerprint Software ThinkVantage Productivity Center ThinkVantage Rescue and Recovery ThinkVantage System Update ThinkVantage System Migration Assistant ThinkVantage Client Security Solution ThinkVa	Rescue & Recovery Client Security Solution Multimedia Center Think Offerings Sonic RecordNow & Drive Letter Access InterVideo WinDVD
Trial softwareKnown for one	Microsoft Office 2007 McAfee VirusScan Plus	Unknown — not stated by the source
Display5 differ
Display included	Yes	Yes
Display diagonalDiffers	55.9 cm (22")	48.3 cm (19")
Display resolutionDiffers	1680 x 1050 pixels	1280 x 1024 pixels
Contrast ratio (typical)Differs	1000:1	800:1
Touchscreen	No	No
Display brightnessDiffers	250 cd/m²	300 cd/m²
Viewing angle, horizontalDiffers	170°	160°
Viewing angle, vertical	160°	160°
Display	TFT	TFT
Processor special features4 differ
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 Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)Differs	2	No
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	36500	30781
Processor codeDiffers	SLB9Y	SLA95
Processor package size	37.5 x 37.5 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)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Audio1 differ
Audio systemDiffers	High Definition Audio	AD1986A
Weight & dimensions4 differ
WidthDiffers	238 mm	175 mm
DepthDiffers	275 mm	424 mm
HeightDiffers	80 mm	410 mm
WeightDiffers	4.18 kg	10 kg
Packaging contentidentical
Remote control included	No	No
Certificatesidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Other featuresidentical
TV tuner integrated	No	No
Intel segment taggingKnown for one	Enterprise, Professional	Unknown — not stated by the source

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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