Product comparison · 2 pcs/workstations

HP 820 Intel® Xeon® E5 Family E5-2643 vs Lenovo E30 + LT2452p

97specifications compared
50differ
47identical
57known for one product only

Key differences

Processor family
- 820 Intel® Xeon® E5 Family E5-2643:Intel® Xeon® E5 Family
- E30 + LT2452p:Intel® Xeon® E3 Family
Processor model
- 820 Intel® Xeon® E5 Family E5-2643:E5-2643
- E30 + LT2452p:E3-1220
Processor threads
- 820 Intel® Xeon® E5 Family E5-2643:8
- E30 + LT2452p:4
Processor boost frequency
- 820 Intel® Xeon® E5 Family E5-2643:3.5 GHz
- E30 + LT2452p:3.4 GHz
Processor frequency
- 820 Intel® Xeon® E5 Family E5-2643:3.3 GHz
- E30 + LT2452p:3.1 GHz
Processor cache
- 820 Intel® Xeon® E5 Family E5-2643:10 MB
- E30 + LT2452p:8 MB
Bus type
- 820 Intel® Xeon® E5 Family E5-2643:QPI
- E30 + LT2452p:DMI
System bus rate
- 820 Intel® Xeon® E5 Family E5-2643:8 GT/s
- E30 + LT2452p:5 GT/s

Side by side

Differences highlightedShow differences only

Comparison of 820, E30 + LT2452p
154 specifications	A HP 820 Intel® Xeon® E5 Family E5-2643 Model 820 View product	B Lenovo E30 + LT2452p View product
Processor20 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® E5 Family	Intel® Xeon® E3 Family
Processor modelDiffers	E5-2643	E3-1220
Processor cores	4	4
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.5 GHz	3.4 GHz
Processor frequencyDiffers	3.3 GHz	3.1 GHz
Processor cacheDiffers	10 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Bus typeDiffers	QPI	DMI
FSB Parity	No	No
System bus rateDiffers	8 GT/s	5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Xeon E5-2600	Intel Xeon E3-1200
Processor codenameDiffers	Sandy Bridge EP	Sandy Bridge
Thermal Design Power (TDP)Differs	130 W	80 W
TcaseDiffers	73 °C	69.1 °C
Maximum number of PCI Express lanesDiffers	40	20
PCI Express configurationsKnown for one	x4, x8, x16	Unknown — not stated by the source
PCI Express slots versionDiffers	3.0	2.0
Number of QPI linksKnown for one	2	Unknown — not stated by the source
Number of processors installedDiffers	2	1
Processor socketDiffers	LGA 2011 (Socket R)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs	35	31
SteppingKnown for one	M1	Unknown — not stated by the source
Maximum internal memory supported by processorDiffers	750 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	800,1066,1333,1600 MHz	1066,1333 MHz
Memory bandwidth supported by processor (max)Differs	51.2 GB/s	21 GB/s
ECC supported by processor	Yes	Yes
Memory5 differ
Internal memoryDiffers	32 GB	4 GB
Maximum internal memoryDiffers	512 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory slotsDiffers	16x DIMM	3x DIMM
Memory clock speedDiffers	1600 MHz	1333 MHz
Memory channelsDiffers	Quad-channel	Dual-channel
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 2 GB
ECCKnown for one	Unknown — not stated by the source	Yes
Storage2 differ
Total storage capacityKnown for one	1 TB	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	DVD-RW
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Total HDDs capacityKnown for one	1 TB	Unknown — not stated by the source
Number of HDDs installed	1	1
HDD capacityDiffers	1 TB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	MMC, SD, SDXC, SDHC	Unknown — not stated by the source
RAID supportKnown for one	Unknown — not stated by the source	Yes
RAID levelsKnown for one	Unknown — not stated by the source	0, 1
Graphicsidentical
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card modelKnown for one	Not available	Unknown — not stated by the source
Performance1 differ
Product type	Workstation	Workstation
Motherboard chipsetDiffers	Intel® C602	Intel® C206
Optical driveidentical
Optical drives quantityKnown for one	1	Unknown — not stated by the source
LightScribeKnown for one	No	Unknown — not stated by the source
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Wi-Fi standardsKnown for one	Not supported	Unknown — not stated by the source
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet (10/100/1000)
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	5	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	0
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	2	1
Combo headphone/mic portKnown for one	No	Unknown — not stated by the source
Headphone outputs	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	2	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
DC-in jackKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
Serial ports quantityDiffers	1	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Expansion slots2 differ
Number of 3.5" baysDiffers	4	3
PCI Express x4 (Gen 2.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x4 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x8 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 (Gen 3.x) slotsKnown for one	3	Unknown — not stated by the source
PCI slotsDiffers	1	2
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	1
Power1 differ
Power supplyDiffers	1125 W	280 W
Design2 differ
Chassis typeDiffers	Mini Tower	Tower
Number of 5.25" baysDiffers	3	2
Product colour	Black	Black
Country of originKnown for one	China	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	61 cm (24")
ResolutionKnown for one	Unknown — not stated by the source	1920 x 1200 pixels
Processor special features8 differ
CPU configuration (max)Differs	2	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	Yes	Yes
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Identity Protection Technology versionDiffers	0.00	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	0.00	Unknown — not stated by the source
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
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)	Yes	Yes
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® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Known for one	46 bit	Unknown — not stated by the source
Processor ARK IDDiffers	64587	52269
Processor package sizeDiffers	52.5 x 45.0 mm	37.5 x 37.5 mm
ScalabilityKnown for one	2S	Unknown — not stated by the source
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
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® Identity Protection Technology (Intel® IPT)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WidthDiffers	203 mm	175 mm
DepthDiffers	525 mm	420 mm
HeightDiffers	444 mm	412 mm
WeightDiffers	19.5 kg	14 kg
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard includedKnown for one	Yes	Unknown — not stated by the source
AC adapter includedKnown for one	No	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HD
Certificatesidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab

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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