Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M57 + ThinkVision D221 vs Lenovo ThinkCentre M57p + ThinkVision D221

100specifications compared
27differ
73identical
7known for one product only

Key differences

The Lenovo ThinkCentre M57p + ThinkVision D221 has 0.6 GHz more processor frequency than the Lenovo ThinkCentre M57 + ThinkVision D221 (3 GHz vs 2.4 GHz). The Lenovo ThinkCentre M57p + ThinkVision D221 has 4 MB more processor cache than the Lenovo ThinkCentre M57 + ThinkVision D221 (6 MB vs 2 MB). The Lenovo ThinkCentre M57p + ThinkVision D221 has 533 MHz more processor front side bus than the Lenovo ThinkCentre M57 + ThinkVision D221 (1333 MHz vs 800 MHz). Only the Lenovo ThinkCentre M57p + ThinkVision D221 has embedded options available. Only the Lenovo ThinkCentre M57p + ThinkVision D221 has Intel Trusted Execution Technology.

Processor model
- ThinkCentre M57 + ThinkVision D221:E4600
- ThinkCentre M57p + ThinkVision D221:E8400
Processor frequency
- ThinkCentre M57 + ThinkVision D221:2.4 GHz
- ThinkCentre M57p + ThinkVision D221:3 GHz
Processor cache
- ThinkCentre M57 + ThinkVision D221:2 MB
- ThinkCentre M57p + ThinkVision D221:6 MB
Processor front side bus
- ThinkCentre M57 + ThinkVision D221:800 MHz
- ThinkCentre M57p + ThinkVision D221:1333 MHz
Processor lithography
- ThinkCentre M57 + ThinkVision D221:65 nm
- ThinkCentre M57p + ThinkVision D221:45 nm
Processor codename
- ThinkCentre M57 + ThinkVision D221:Conroe
- ThinkCentre M57p + ThinkVision D221:Wolfdale
Tcase
- ThinkCentre M57 + ThinkVision D221:73.3 °C
- ThinkCentre M57p + ThinkVision D221:72.4 °C
Number of Processing Die Transistors
- ThinkCentre M57 + ThinkVision D221:167 M
- ThinkCentre M57p + ThinkVision D221:410 M

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre M57 + ThinkVision D221, ThinkCentre M57p + ThinkVision D221
107 specifications	A Lenovo ThinkCentre M57 + ThinkVision D221 View product	B Lenovo ThinkCentre M57p + ThinkVision D221 View product
Processor12 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	E4600	E8400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.4 GHz	3 GHz
Processor cacheDiffers	2 MB	6 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 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 Duo E4000 Series	Intel Core 2 Duo E8000 Series
Processor codenameDiffers	Conroe	Wolfdale
Thermal Design Power (TDP)	65 W	65 W
TcaseDiffers	73.3 °C	72.4 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	167 M	410 M
Processing Die sizeDiffers	111 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	12	9
SteppingDiffers	M0	E0
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	1 GB	2 GB
Maximum internal memoryDiffers	4 GB	8 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Differs	1 x 1 GB	2 x 1 GB
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	250 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
Floppy drive installed	No	No
Graphicsidentical
On-board graphics card	Yes	Yes
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
Ethernet LAN	Yes	Yes
Wi-Fi	No	No
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
PS/2 ports quantity	2	2
Firewire (IEEE 1394) ports	0	0
Serial ports quantity	1	1
Parallel ports quantity	1	1
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	225 W	280 W
Power supply input voltageKnown for one	Unknown — not stated by the source	115 - 230 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Designidentical
Chassis typeKnown for one	Unknown — not stated by the source	Tower
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Displayidentical
Display included	Yes	Yes
Display diagonal	55.9 cm (22")	55.9 cm (22")
Display resolution	1680 x 1050 pixels	1680 x 1050 pixels
Contrast ratio (typical)	700:1	700:1
Display brightness	300 cd/m²	300 cd/m²
Viewing angle, horizontal	176°	176°
Viewing angle, vertical	176°	176°
Processor special features6 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)Differs	No	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	32242	33910
Processor codeDiffers	SLA94	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
Audioidentical
Audio system	AD1882	AD1882
Weight & dimensions4 differ
WidthDiffers	276 mm	175 mm
DepthDiffers	273 mm	440 mm
HeightDiffers	89 mm	402 mm
WeightDiffers	6.4 kg	10.2 kg
Packaging contentidentical
Remote control included	No	No
Other featuresidentical
TV tuner integrated	No	No
Intel segment tagging	Enterprise, Professional	Enterprise, Professional

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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