Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A70z Intel® Core™2 Duo E7600 vs Lenovo C20 + ThinkVision L2321x

75specifications compared
31differ
44identical
41known for one product only

Key differences

The Lenovo C20 + ThinkVision L2321x has 2 more processor cores than the Lenovo ThinkCentre A70z Intel® Core™2 Duo E7600 (4 vs 2). The Lenovo C20 + ThinkVision L2321x has 2 more processor threads than the Lenovo ThinkCentre A70z Intel® Core™2 Duo E7600 (4 vs 2). The Lenovo ThinkCentre A70z Intel® Core™2 Duo E7600 has 0.8 GHz more processor frequency than the Lenovo C20 + ThinkVision L2321x (3.06 GHz vs 2.26 GHz). Only the Lenovo C20 + ThinkVision L2321x has ECC supported by processor. Only the Lenovo C20 + ThinkVision L2321x has Intel Demand Based Switching.

Processor family
- ThinkCentre A70z Intel® Core™2 Duo E7600:Intel® Core™2 Duo
- C20 + ThinkVision L2321x:Intel® Xeon® 5000 Sequence
Processor model
- ThinkCentre A70z Intel® Core™2 Duo E7600:E7600
- C20 + ThinkVision L2321x:E5507
Processor cores
- ThinkCentre A70z Intel® Core™2 Duo E7600:2
- C20 + ThinkVision L2321x:4
Processor threads
- ThinkCentre A70z Intel® Core™2 Duo E7600:2
- C20 + ThinkVision L2321x:4
Processor frequency
- ThinkCentre A70z Intel® Core™2 Duo E7600:3.06 GHz
- C20 + ThinkVision L2321x:2.26 GHz
Processor cache
- ThinkCentre A70z Intel® Core™2 Duo E7600:3 MB
- C20 + ThinkVision L2321x:4 MB
Processor cache type
- ThinkCentre A70z Intel® Core™2 Duo E7600:L2
- C20 + ThinkVision L2321x:Smart Cache
Bus type
- ThinkCentre A70z Intel® Core™2 Duo E7600:FSB
- C20 + ThinkVision L2321x:QPI

Side by side

Differences highlightedShow differences only

Comparison of A70z, C20 + ThinkVision L2321x
116 specifications	A Lenovo ThinkCentre A70z Intel® Core™2 Duo E7600 Model A70z View product	B Lenovo C20 + ThinkVision L2321x View product
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E7600	E5507
Processor coresDiffers	2	4
Processor threadsDiffers	2	4
Processor frequencyDiffers	3.06 GHz	2.26 GHz
Processor cacheDiffers	3 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Bus typeDiffers	FSB	QPI
FSB Parity	No	No
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo E7000 Series	Intel Xeon 5500 Series
Processor codenameDiffers	Wolfdale	Nehalem EP
Thermal Design Power (TDP)Differs	65 W	80 W
TcaseDiffers	74.1 °C	76 °C
Processor socketDiffers	LGA 775 (Socket T)	Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one	228 M	Unknown — not stated by the source
Processing Die sizeKnown for one	82 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	11.5	Unknown — not stated by the source
SteppingDiffers	R0	D0
ECC supported by processorDiffers	No	Yes
System bus rateKnown for one	Unknown — not stated by the source	4.8 GT/s
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Number of processors installedKnown for one	Unknown — not stated by the source	2
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	144 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	800 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	19.2 GB/s
Memory1 differ
Internal memory	4 GB	4 GB
Maximum internal memoryDiffers	4 GB	96 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)	2 x 2 GB	2 x 2 GB
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
ECCKnown for one	Unknown — not stated by the source	Yes
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
Storageidentical
Total storage capacityKnown for one	320 GB	Unknown — not stated by the source
Optical drive type	DVD-RW	DVD-RW
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Floppy drive installedKnown for one	No	Unknown — not stated by the source
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Intel® GMA X4500	Unknown — not stated by the source
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Performance1 differ
Product typeDiffers	PC	Workstation
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® 5520
Network1 differ
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet (10/100/1000)
Wireless technologyKnown for one	IEEE 802.11b/g/n	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	10
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	130 W	800 W
Designidentical
Chassis type	Tower	Tower
Product colour	Black	Black
Rack mountingKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Display1 differ
Display included	Yes	Yes
Display diagonalDiffers	48.3 cm (19")	58.4 cm (23")
Display resolutionKnown for one	1440 x 900 pixels	Unknown — not stated by the source
Contrast ratio (typical)Known for one	1000:1	Unknown — not stated by the source
Display brightnessKnown for one	300 cd/m²	Unknown — not stated by the source
ResolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels
Processor special features5 differ
Embedded options available	No	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 SwitchingDiffers	No	Yes
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)Differs	No	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)	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	41495	37100
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
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
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SLBKC
Audio1 differ
Audio systemDiffers	CX20582-11Z	ADI 1988A
Weight & dimensions4 differ
WidthDiffers	472 mm	130 mm
DepthDiffers	73 mm	444 mm
HeightDiffers	356.1 mm	427 mm
WeightDiffers	8 kg	18.5 kg
Packaging contentidentical
Remote control includedKnown for one	No	Unknown — not stated by the source
Multimediaidentical
Built-in cameraKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	No	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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