Product comparison · 2 pcs/workstations

Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 vs Lenovo ThinkCentre A58 Tower (7515M9G), ES

83specifications compared
40differ
43identical
41known for one product only

Key differences

The Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 has 2 more processor cores than the Lenovo ThinkCentre A58 Tower (7515M9G), ES (4 vs 2). The Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 has 6 more processor threads than the Lenovo ThinkCentre A58 Tower (7515M9G), ES (8 vs 2). The Lenovo ThinkCentre A58 Tower (7515M9G), ES has 0.17 GHz more processor frequency than the Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 (2.7 GHz vs 2.53 GHz). Only the Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 has ECC supported by processor. Only the Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 has Intel Demand Based Switching.

Processor family
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:Intel® Xeon® 3000 Sequence
- ThinkCentre A58 Tower (7515M9G), ES:Intel® Pentium®
Processor model
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:X3440
- ThinkCentre A58 Tower (7515M9G), ES:E5400
Processor cores
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:4
- ThinkCentre A58 Tower (7515M9G), ES:2
Processor threads
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:8
- ThinkCentre A58 Tower (7515M9G), ES:2
Processor frequency
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:2.53 GHz
- ThinkCentre A58 Tower (7515M9G), ES:2.7 GHz
Processor cache
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:8 MB
- ThinkCentre A58 Tower (7515M9G), ES:2 MB
Processor cache type
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:Smart Cache
- ThinkCentre A58 Tower (7515M9G), ES:L2
Bus type
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:DMI
- ThinkCentre A58 Tower (7515M9G), ES:FSB

Side by side

Differences highlightedShow differences only

Comparison of E20, ThinkCentre A58 Tower (7515M9G), ES
124 specifications	A Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 Model E20 View product	B Lenovo ThinkCentre A58 Tower (7515M9G), ES View product
Processor18 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® 3000 Sequence	Intel® Pentium®
Processor modelDiffers	X3440	E5400
Processor coresDiffers	4	2
Processor threadsDiffers	8	2
Processor frequencyDiffers	2.53 GHz	2.7 GHz
Processor cacheDiffers	8 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Bus typeDiffers	DMI	FSB
FSB Parity	No	No
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Xeon 3400 Series	Intel Pentium E5000 Series for Desktop
Processor codenameDiffers	Lynnfield	Wolfdale
Thermal Design Power (TDP)Differs	95 W	45, 65
TcaseDiffers	72.7 °C	74.1 °C
Number of processors installed	1	1
Processor socketDiffers	LGA 1156 (Socket H)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	774 M	228 M
Processing Die sizeDiffers	296 mm²	82 mm²
CPU multiplier (bus/core ratio)Differs	19	13.5
SteppingDiffers	B1	R0
ECC supported by processorDiffers	Yes	No
Processor boost frequencyKnown for one	2.93 GHz	Unknown — not stated by the source
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor system typeKnown for one	Up	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8, 4x4	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	32 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3 800/1066/1333	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
Memory5 differ
Internal memoryDiffers	4 GB	1 GB
Maximum internal memoryDiffers	16 GB	4 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Differs	2 x 2 GB	1 x 1 GB
Memory clock speedDiffers	1333 MHz	800 MHz
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Storageidentical
Total storage capacityKnown for one	Unknown — not stated by the source	250 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-ROM
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Floppy drive installedKnown for one	Unknown — not stated by the source	No
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA X4500
Performance1 differ
Product typeDiffers	Workstation	PC
Motherboard chipsetKnown for one	Intel® 3450	Unknown — not stated by the source
Network1 differ
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Wi-FiKnown for one	Unknown — not stated by the source	No
Networking featuresDiffers	Gigabit Ethernet (10/100/1000)	Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	10	6
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsDiffers	2	0
Serial ports quantity	1	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	2
Poweridentical
Power supply	280 W	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
Power supply typeKnown for one	100 - 240 VAC, 50/60 Hz	Unknown — not stated by the source
Designidentical
Chassis type	Tower	Tower
Product colourKnown for one	Unknown — not stated by the source	Black
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Optional operating system suppliedKnown for one	Unknown — not stated by the source	Windows XP Professional
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features10 differ
CPU configuration (max)	1	1
Embedded options available	No	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 SwitchingDiffers	Yes	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	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	2
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	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	42928	40478
Processor codeDiffers	SLBLF	SLGH7
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	1.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	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
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Realtek ALC662	ALC662
Weight & dimensions2 differ
Width	175 mm	175 mm
DepthDiffers	430.8 mm	442 mm
HeightDiffers	425.2 mm	412 mm
Weight	11.2 kg	11.2 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Remote control includedKnown for one	Unknown — not stated by the source	No
Other featuresidentical
TV tuner integratedKnown for one	Unknown — not stated by the source	No

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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