Lenovo ThinkCentre A57 + 19" monitor vs Lenovo ThinkCentre A57 + L1940

Comparison of ThinkCentre A57 + 19" monitor, ThinkCentre A57 + L1940

91 specifications	A Lenovo ThinkCentre A57 + 19" monitorView product	B Lenovo ThinkCentre A57 + L1940View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Quad	Intel® Core™2 Quad
Processor model	Q6600	Q6600
Processor cores	4	4
Processor threads	4	4
Processor frequency	2.4 GHz	2.4 GHz
Processor cache	8 MB	8 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 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 Quad Q6000 Series	Intel Core 2 Quad Q6000 Series
Processor codename	Kentsfield	Kentsfield
Thermal Design Power (TDP)	95, 105	95, 105
Tcase	B3=62.2; G0=71	B3=62.2; G0=71
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die Transistors	582 M	582 M
Processing Die size	286 mm²	286 mm²
CPU multiplier (bus/core ratio)	9	9
Processor core voltage (AC)	0.85 - 1.5 V	0.85 - 1.5 V
Stepping	G0	G0
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	320 GB	320 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	Gigabit Ethernet	Gigabit Ethernet
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	0	0
Parallel ports quantity	1	1
Poweridentical
Power supply	280 W	280 W
Power supply input voltage	110 - 220 V	110 - 220 V
Power supply input frequency	50 - 60 Hz	50 - 60 Hz
Designidentical
Chassis type	Tower	Tower
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Displayidentical
Display included	Yes	Yes
Display diagonal	48.3 cm (19")	48.3 cm (19")
Display resolutionKnown for one	—Unknown — not stated by the source	1280 x 1024 pixels
DisplayKnown for one	—Unknown — not stated by the source	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)	Yes	Yes
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	29765	29765
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.