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 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 front side busDiffers	1066 MHz	1333 MHz
Processor lithographyDiffers	65 nm	45 nm
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
Number of Processing Die TransistorsDiffers	582 M	410 M
Processing Die sizeDiffers	286 mm²	107 mm²
SteppingDiffers	G0	E0
Processor core voltage (AC)Known for one	0.85 - 1.5 V	Unknown — not stated by the source
Memoryidentical
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Memory clock speedKnown for one	Unknown — not stated by the source	667 MHz
Graphicsidentical
On-board graphics card modelKnown for one	Unknown — not stated by the source	Not available
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	8	6
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
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
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Processor ARK IDDiffers	29765	33910
Processor codeKnown for one	Unknown — not stated by the source	SLB9J
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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