Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 Intel® Core™2 Quad Q6600 vs Lenovo ThinkCentre A57 + ThinkVision L1940P

82specifications compared
27differ
55identical
17known for one product only

Key differences

Processor family
- ThinkCentre A57 Intel® Core™2 Quad Q6600:Intel® Core™2 Quad
- ThinkCentre A57 + ThinkVision L1940P:Intel® Core™2 Duo
Processor model
- ThinkCentre A57 Intel® Core™2 Quad Q6600:Q6600
- ThinkCentre A57 + ThinkVision L1940P:E8400
Processor cores
- ThinkCentre A57 Intel® Core™2 Quad Q6600:4
- ThinkCentre A57 + ThinkVision L1940P:2
Processor threads
- ThinkCentre A57 Intel® Core™2 Quad Q6600:4
- ThinkCentre A57 + ThinkVision L1940P:2
Processor frequency
- ThinkCentre A57 Intel® Core™2 Quad Q6600:2.4 GHz
- ThinkCentre A57 + ThinkVision L1940P:3 GHz
Processor cache
- ThinkCentre A57 Intel® Core™2 Quad Q6600:8 MB
- ThinkCentre A57 + ThinkVision L1940P:6 MB
Processor front side bus
- ThinkCentre A57 Intel® Core™2 Quad Q6600:1066 MHz
- ThinkCentre A57 + ThinkVision L1940P:1333 MHz
Processor lithography
- ThinkCentre A57 Intel® Core™2 Quad Q6600:65 nm
- ThinkCentre A57 + ThinkVision L1940P:45 nm

Side by side

Differences highlightedShow differences only

Comparison of A57, ThinkCentre A57 + ThinkVision L1940P
99 specifications	A Lenovo ThinkCentre A57 Intel® Core™2 Quad Q6600 Model A57 View product	B Lenovo ThinkCentre A57 + ThinkVision L1940P View product
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Quad	Intel® Core™2 Duo
Processor modelDiffers	Q6600	E8400
Processor coresDiffers	4	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	2.4 GHz	3 GHz
Processor cacheDiffers	8 MB	6 MB
Processor cache type	L2	L2
Processor front side busDiffers	1066 MHz	1333 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithographyDiffers	65 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Quad Q6000 Series	Intel Core 2 Duo E8000 Series
Processor codenameDiffers	Kentsfield	Wolfdale
Thermal Design Power (TDP)Differs	95, 105	65 W
TcaseDiffers	B3=62.2; G0=71	72.4 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	582 M	410 M
Processing Die sizeDiffers	286 mm²	107 mm²
CPU multiplier (bus/core ratio)	9	9
SteppingDiffers	G0	E0
ECC supported by processor	No	No
Processor core voltage (AC)Known for one	0.85 - 1.5 V	Unknown — not stated by the source
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)Known for one	Unknown — not stated by the source	1 x 2 GB
Memory slots	2x DIMM	2x DIMM
Memory clock speedKnown for one	Unknown — not stated by the source	667 MHz
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
On-board graphics card modelKnown for one	Unknown — not stated by the source	Not available
Performanceidentical
Product type	PC	PC
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	8	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 quantityDiffers	0	1
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	280 W
Power supply input voltageKnown for one	Unknown — not stated by the source	110 - 220 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Design1 differ
Chassis typeDiffers	Tower	SFF
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	48.3 cm (19")
Display resolutionKnown for one	Unknown — not stated by the source	1440 x 900 pixels
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
DisplayKnown for one	Unknown — not stated by the source	TFT
Processor special features4 differ
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
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 TechnologyDiffers	No	Yes
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)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	29765	33910
Processor codeKnown for one	Unknown — not stated by the source	SLB9J
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	Realtek ALC662
Weight & dimensions3 differ
WidthDiffers	175 mm	317 mm
DepthDiffers	440 mm	355 mm
HeightDiffers	402 mm	99 mm
WeightKnown for one	Unknown — not stated by the source	3.31 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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