Lenovo ThinkCentre M58p + ThinkVision L2251p vs Lenovo ThinkCentre M58p + ThinkVision L2251x

Comparison of ThinkCentre M58p + ThinkVision L2251p, ThinkCentre M58p + ThinkVision L2251x

105 specifications	A Lenovo ThinkCentre M58p + ThinkVision L2251pView product	B Lenovo ThinkCentre M58p + ThinkVision L2251xView product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor model	E8400	E8400
Processor cores	2	2
Processor threads	2	2
Processor frequency	3 GHz	3 GHz
Processor cache	6 MB	6 MB
Processor cache type	L2	L2
Processor front side bus	1333 MHz	1333 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core 2 Duo E8000 Series	Intel Core 2 Duo E8000 Series
Processor codename	Wolfdale	Wolfdale
Thermal Design Power (TDP)	65 W	65 W
Tcase	72.4 °C	72.4 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)	9	9
Stepping	E0	E0
ECC supported by processor	No	No
Memoryidentical
Internal memory	2 GB	2 GB
Maximum internal memory	8 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)	1 x 2 GB	1 x 2 GB
Memory clock speed	1066 MHz	1066 MHz
Storageidentical
Total storage capacity	500 GB	500 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 4500M	Intel® GMA 4500M
On-board graphics card model	Not available	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	0	0
Parallel ports quantity	1	1
Poweridentical
Power supply	280 W	280 W
Power supply input voltage	115 - 230 V	115 - 230 V
Designidentical
Chassis type	Tower	Tower
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
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)	1000:1	1000:1
Display brightness	250 cd/m²	250 cd/m²
Viewing angle, horizontal	170°	170°
Viewing angle, vertical	160°	160°
Processor special featuresidentical
Embedded options available	Yes	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	45 nm	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 Technology	Yes	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)	Yes	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 ID	33910	33910
Processor code	SLB9J	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	High Definition Audio	High Definition Audio
Weight & dimensionsidentical
Width	175 mm	175 mm
Depth	440 mm	440 mm
Height	402 mm	402 mm
Weight	11 kg	11 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.