Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A58 Tower (75157SG) vs Lenovo ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X

87specifications compared
22differ
65identical
24known for one product only

Key differences

The Lenovo ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X has 0.33 GHz more processor frequency than the Lenovo ThinkCentre A58 Tower (75157SG) (2.93 GHz vs 2.6 GHz). The Lenovo ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X has 1 MB more processor cache than the Lenovo ThinkCentre A58 Tower (75157SG) (3 MB vs 2 MB). The Lenovo ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X has 266 MHz more processor front side bus than the Lenovo ThinkCentre A58 Tower (75157SG) (1066 MHz vs 800 MHz). Only the Lenovo ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X has display included. Only the Lenovo ThinkCentre A58 Tower (75157SG) has embedded options available.

Processor family
- ThinkCentre A58 Tower (75157SG):Intel® Pentium®
- ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X:Intel® Core™2 Duo
Processor model
- ThinkCentre A58 Tower (75157SG):E5300
- ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X:E7500
Processor frequency
- ThinkCentre A58 Tower (75157SG):2.6 GHz
- ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X:2.93 GHz
Processor cache
- ThinkCentre A58 Tower (75157SG):2 MB
- ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X:3 MB
Processor front side bus
- ThinkCentre A58 Tower (75157SG):800 MHz
- ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X:1066 MHz
CPU multiplier (bus/core ratio)
- ThinkCentre A58 Tower (75157SG):13
- ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X:11
Internal memory type
- ThinkCentre A58 Tower (75157SG):DDR2-SDRAM
- ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X:DDR3-SDRAM
Memory clock speed
- ThinkCentre A58 Tower (75157SG):800 MHz
- ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X:1066 MHz

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A58 Tower (75157SG), ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X
111 specifications	A Lenovo ThinkCentre A58 Tower (75157SG)View product	B Lenovo ThinkCentre M58 USFF (8820AJG) + ThinkVision L2251X View product
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™2 Duo
Processor modelDiffers	E5300	E7500
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.6 GHz	2.93 GHz
Processor cacheDiffers	2 MB	3 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium E5000 Series for Desktop	Intel Core 2 Duo E7000 Series
Processor codename	Wolfdale	Wolfdale
Thermal Design Power (TDP)	65 W	65 W
Tcase	74.1 °C	74.1 °C
Number of processors installed	1	1
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die Transistors	228 M	228 M
Processing Die size	82 mm²	82 mm²
CPU multiplier (bus/core ratio)Differs	13	11
Stepping	R0	R0
ECC supported by processor	No	No
Memory2 differ
Internal memory	2 GB	2 GB
Maximum internal memory	4 GB	4 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Memory clock speedDiffers	800 MHz	1066 MHz
Storage1 differ
Total storage capacity	320 GB	320 GB
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
HDD interfaceDiffers	SATA	SATA II
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Floppy drive installedKnown for one	No	Unknown — not stated by the source
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA X4500	Intel® GMA 4500M
Performanceidentical
Product type	PC	PC
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	6	8
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Serial ports quantityDiffers	1	0
Parallel ports quantity	1	1
Expansion slotsidentical
PCI Express x16 slotsKnown for one	2	Unknown — not stated by the source
Poweridentical
Power supplyKnown for one	280 W	Unknown — not stated by the source
Power supply input voltageKnown for one	110 - 220 V	Unknown — not stated by the source
Power supply input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Designidentical
Chassis typeKnown for one	Tower	Unknown — not stated by the source
Product colour	Black	Black
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 7 Professional	Windows 7 Professional
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Windows XP Home Microsoft Windows XP Professional Windows Vista Business Windows Vista Home Basic
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	55.9 cm (22")
Display resolutionKnown for one	Unknown — not stated by the source	1680 x 1050 pixels
Processor special features3 differ
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableDiffers	Yes	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)	2	2
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 IDDiffers	35300	36503
Processor codeDiffers	SLB9U	SLB9Z
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
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 mm
Audio1 differ
Audio systemDiffers	ALC662	Intel HDA
Weight & dimensions4 differ
WidthDiffers	175 mm	277 mm
DepthDiffers	442 mm	82 mm
HeightDiffers	412 mm	244 mm
WeightDiffers	11.2 kg	4.18 kg
Packaging contentidentical
Mouse included	Yes	Yes
Remote control includedKnown for one	No	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Unknown — not stated by the source	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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