Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 + D221 vs Lenovo ThinkCentre A57 + ThinkVision L194W

94specifications compared
3differ
91identical
2known for one product only

Key differences

The Lenovo ThinkCentre A57 + ThinkVision L194W has 300 :1 more contrast ratio (typical) than the Lenovo ThinkCentre A57 + D221 (1000:1 vs 700:1). Display diagonal: 55.9 cm (22") on the Lenovo ThinkCentre A57 + D221, 48.3 cm (19") on the Lenovo ThinkCentre A57 + ThinkVision L194W. Display resolution: 1680 x 1050 pixels on the Lenovo ThinkCentre A57 + D221, 1440 x 900 pixels on the Lenovo ThinkCentre A57 + ThinkVision L194W.

Display diagonal
- ThinkCentre A57 + D221:55.9 cm (22")
- ThinkCentre A57 + ThinkVision L194W:48.3 cm (19")
Display resolution
- ThinkCentre A57 + D221:1680 x 1050 pixels
- ThinkCentre A57 + ThinkVision L194W:1440 x 900 pixels
Contrast ratio (typical)
- ThinkCentre A57 + D221:700:1
- ThinkCentre A57 + ThinkVision L194W:1000:1

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A57 + D221, ThinkCentre A57 + ThinkVision L194W
96 specifications	A Lenovo ThinkCentre A57 + D221 View product	B Lenovo ThinkCentre A57 + ThinkVision L194W View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor model	E4600	E4600
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.4 GHz	2.4 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)	12	12
Stepping	M0	M0
ECC supported by processor	No	No
Memoryidentical
Internal memory	2 GB	2 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory layout (slots x size)	2 x 1 GB	2 x 1 GB
Memory slots	2x DIMM	2x DIMM
Storageidentical
Total storage capacity	250 GB	250 GB
Optical drive type	DVD±RW	DVD±RW
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Graphicsidentical
Discrete graphics card model	Intel® GMA 3100	Intel® GMA 3100
Performanceidentical
Product type	PC	PC
Networkidentical
Networking features	g	g
Ports & interfacesidentical
USB 2.0 ports quantity	6	6
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
PS/2 ports quantity	2	2
Serial ports quantity	1	1
Parallel ports quantity	1	1
Poweridentical
Power requirements	110 - 220V, 50/ 60Hz	110 - 220V, 50/ 60Hz
Power supply	310 W	310 W
Designidentical
Chassis type	Tower	Tower
Cable lock slot	Yes	Yes
Cable lock slot type	IBM	IBM
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Display3 differ
Display included	Yes	Yes
Display diagonalDiffers	55.9 cm (22")	48.3 cm (19")
Display resolutionDiffers	1680 x 1050 pixels	1440 x 900 pixels
Contrast ratio (typical)Differs	700:1	1000:1
Display brightness	300 cd/m²	300 cd/m²
Viewing angle, horizontalKnown for one	176°	Unknown — not stated by the source
Viewing angle, verticalKnown for one	176°	Unknown — not stated by the source
Display	TFT	TFT
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	32242	32242
Processor code	SLA94	SLA94
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
Audioidentical
Audio system	Realtek ALC662	Realtek ALC662
Weight & dimensionsidentical
Width	175 mm	175 mm
Depth	440 mm	440 mm
Height	402 mm	402 mm
Weight	11 kg	11 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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