Product comparison · 2 pcs/workstations

Lenovo 3000 J200 + Lenovo D221 vs Lenovo ThinkCentre A55 + 1GB

79specifications compared
7differ
72identical
13known for one product only

Key differences

The Lenovo ThinkCentre A55 + 1GB has 2 GB more maximum internal memory than the Lenovo 3000 J200 + Lenovo D221 (4 GB vs 2 GB). The Lenovo ThinkCentre A55 + 1GB has 2 more USB 2.0 ports quantity than the Lenovo 3000 J200 + Lenovo D221 (8 vs 6). Only the Lenovo 3000 J200 + Lenovo D221 has display included. Discrete graphics card model: Intel® GMA 950 on the Lenovo 3000 J200 + Lenovo D221, Intel® GMA 3000 on the Lenovo ThinkCentre A55 + 1GB. Networking features: Ethernet/Fast Ethernet on the Lenovo 3000 J200 + Lenovo D221, Gigabit Ethernet on the Lenovo ThinkCentre A55 + 1GB.

Maximum internal memory
- 3000 J200 + Lenovo D221:2 GB
- ThinkCentre A55 + 1GB:4 GB
Discrete graphics card model
- 3000 J200 + Lenovo D221:Intel® GMA 950
- ThinkCentre A55 + 1GB:Intel® GMA 3000
Networking features
- 3000 J200 + Lenovo D221:Ethernet/Fast Ethernet
- ThinkCentre A55 + 1GB:Gigabit Ethernet
USB 2.0 ports quantity
- 3000 J200 + Lenovo D221:6
- ThinkCentre A55 + 1GB:8
Chassis type
- 3000 J200 + Lenovo D221:Tower
- ThinkCentre A55 + 1GB:SFF
Display included
- 3000 J200 + Lenovo D221:Yes
- ThinkCentre A55 + 1GB:No
Audio system
- 3000 J200 + Lenovo D221:AD HD 1988A CODEC
- ThinkCentre A55 + 1GB:ADI 1986 A

Side by side

Differences highlightedShow differences only

Comparison of 3000 J200 + Lenovo D221, ThinkCentre A55 + 1GB
92 specifications	A Lenovo 3000 J200 + Lenovo D221 View product	B Lenovo ThinkCentre A55 + 1GB View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor model	E4500	E4500
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.2 GHz	2.2 GHz
Processor cache	2 MB	2 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core 2 Duo E4000 Series	Intel Core 2 Duo E4000 Series
Processor codename	Conroe	Conroe
Thermal Design Power (TDP)	65 W	65 W
Tcase	73.3 °C	73.3 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die Transistors	167 M	167 M
Processing Die size	111 mm²	111 mm²
CPU multiplier (bus/core ratio)	11	11
Processor core voltage (AC)	0.85 - 1.5 V	0.85 - 1.5 V
Stepping	M0	M0
ECC supported by processor	No	No
Memory1 differ
Internal memory	1 GB	1 GB
Maximum internal memoryDiffers	2 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory slots	2x DIMM	2x DIMM
Storageidentical
Total storage capacity	160 GB	160 GB
Optical drive type	DVD±RW	DVD±RW
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 950	Intel® GMA 3000
Performanceidentical
Product type	PC	PC
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet	Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	8
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
Serial ports quantity	1	1
Parallel ports quantity	1	1
PS/2 ports quantityKnown for one	Unknown — not stated by the source	2
Design1 differ
Chassis typeDiffers	Tower	SFF
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	55.9 cm (22")	Unknown — not stated by the source
Display resolutionKnown for one	1680 x 1050 pixels	Unknown — not stated by the source
Contrast ratio (typical)Known for one	700:1	Unknown — not stated by the source
Display brightnessKnown for one	300 cd/m²	Unknown — not stated by the source
Viewing angle, horizontalKnown for one	176°	Unknown — not stated by the source
Viewing angle, verticalKnown for one	176°	Unknown — not stated by the source
DisplayKnown for one	TFT	Unknown — not stated by the source
Processor special featuresidentical
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 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)	No	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 ID	30781	30781
Processor code	SLA95	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	AD HD 1988A CODEC	ADI 1986 A
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	225 W
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	310 mm
DepthKnown for one	Unknown — not stated by the source	358 mm
HeightKnown for one	Unknown — not stated by the source	85 mm
WeightKnown for one	Unknown — not stated by the source	8.5 kg

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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