Product comparison · 2 pcs/workstations

HP 640 Intel Xeon E5 v3 E5-2620V3 vs Lenovo E73 + 18.5"

127specifications compared
70differ
57identical
54known for one product only

Key differences

Processor family
- 640 Intel Xeon E5 v3 E5-2620V3:Intel Xeon E5 v3
- E73 + 18.5":Intel® Core™ i5
Processor model
- 640 Intel Xeon E5 v3 E5-2620V3:E5-2620V3
- E73 + 18.5":i5-4440S
Processor cores
- 640 Intel Xeon E5 v3 E5-2620V3:6
- E73 + 18.5":4
Processor threads
- 640 Intel Xeon E5 v3 E5-2620V3:12
- E73 + 18.5":4
Processor boost frequency
- 640 Intel Xeon E5 v3 E5-2620V3:3.2 GHz
- E73 + 18.5":3.3 GHz
Processor frequency
- 640 Intel Xeon E5 v3 E5-2620V3:2.4 GHz
- E73 + 18.5":2.8 GHz
Processor cache
- 640 Intel Xeon E5 v3 E5-2620V3:15 MB
- E73 + 18.5":6 MB
System bus rate
- 640 Intel Xeon E5 v3 E5-2620V3:8 GT/s
- E73 + 18.5":5 GT/s

Side by side

Differences highlightedShow differences only

Comparison of 640, E73 + 18.5"
181 specifications	A HP 640 Intel Xeon E5 v3 E5-2620V3 Model 640 View product	B Lenovo E73 + 18.5"View product
Processor21 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Xeon E5 v3	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	4th gen Intel® Core™ i5
Processor modelDiffers	E5-2620V3	i5-4440S
Processor coresDiffers	6	4
Processor threadsDiffers	12	4
Processor boost frequencyDiffers	3.2 GHz	3.3 GHz
Processor frequencyDiffers	2.4 GHz	2.8 GHz
Processor cacheDiffers	15 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	QPI	QPI
FSB Parity	No	No
System bus rateDiffers	8 GT/s	5 GT/s
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Xeon E5-2600 v3	Intel Core i5-4400 Desktop series
Processor codename	Haswell	Haswell
Thermal Design Power (TDP)Differs	85 W	65 W
TcaseDiffers	72.6 °C	71.35 °C
Maximum number of PCI Express lanesDiffers	40	16
PCI Express configurationsDiffers	x4, x8, x16	1x16, 2x8, 1x8+2x4
PCI Express slots version	3.0	3.0
Number of QPI linksDiffers	2	1
Number of processors installed	1	1
Processor socketDiffers	LGA 2011-v3	LGA 1150 (Socket H3)
SteppingDiffers	R2	C0
Maximum internal memory supported by processorDiffers	768 GB	32 GB
Memory types supported by processorDiffers	DDR4-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1600,1866 MHz	1333,1600 MHz
Memory bandwidth supported by processor (max)Differs	59 GB/s	25.6 GB/s
ECC supported by processorDiffers	Yes	No
Memory7 differ
Internal memoryDiffers	8 GB	4 GB
Maximum internal memoryDiffers	256 GB	16 GB
Internal memory typeDiffers	DDR4-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 8 GB	1 x 4 GB
Memory slotsDiffers	4x DIMM	2x DIMM
Memory clock speedDiffers	2133 MHz	1600 MHz
Memory channelsDiffers	Quad-channel	Dual-channel
ECCKnown for one	Yes	Unknown — not stated by the source
Storage2 differ
Total storage capacity	1 TB	1 TB
Optical drive typeDiffers	DVD Super Multi	DVD±RW
Storage media	HDD	HDD
Number of storage drives installedKnown for one	Unknown — not stated by the source	1
Number of HDDs installed	1	1
HDD capacity	1 TB	1 TB
HDD interfaceDiffers	SATA	SATA III
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Card reader integrated	Yes	Yes
Graphics2 differ
On-board graphics cardDiffers	No	Yes
Discrete graphics card model	Not available	Not available
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelDiffers	Not available	Intel® HD Graphics 4600
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	3
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	350 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	11.1
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x412
Performance2 differ
Product typeDiffers	Workstation	PC
Motherboard chipsetDiffers	Intel® C612	Intel® H81
Optical driveidentical
Optical drives quantity	1	1
BD interface typeKnown for one	SATA	Unknown — not stated by the source
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Wi-Fi	No	No
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	2	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	8	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	Unknown — not stated by the source	0
Thunderbolt 3 ports quantityKnown for one	Unknown — not stated by the source	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
HDMI ports quantity	0	0
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 quantityDiffers	0	1
DVI port	No	No
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Expansion slots3 differ
Number of 3.5" baysDiffers	2	1
PCI Express x1 (Gen 2.x) slotsDiffers	1	2
PCI Express x16 (Gen 3.x) slotsDiffers	2	1
PCI Express x4 (Gen 2.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 slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	925 W	280 W
Power supply input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Design2 differ
Chassis typeDiffers	Mini Tower	Tower
Placement supportedKnown for one	Unknown — not stated by the source	Vertical
Number of 5.25" baysDiffers	2	1
Product colour	Black	Black
Liquid cooling systemKnown for one	No	Unknown — not stated by the source
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
Recovery operating system	Windows 8.1 Pro	Windows 8.1 Pro
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	47 cm (18.5")
Display typeKnown for one	Unknown — not stated by the source	LED
Display resolutionKnown for one	Unknown — not stated by the source	1366 x 768 pixels
Panel typeKnown for one	Unknown — not stated by the source	TN
Native aspect ratioKnown for one	Unknown — not stated by the source	16:9
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Display number of coloursKnown for one	Unknown — not stated by the source	16.78 million colours
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	170°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	160°
Processor special features21 differ
CPU configuration (max)Differs	2	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	22 nm
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 TechnologyDiffers	No	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology versionDiffers	0.00	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	1.00
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	No
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	0.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution TechnologyDiffers	Yes	No
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)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® OS Guard	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart Cache	Yes	Yes
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-d, VT-x
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
Processor ARK IDDiffers	83352	75040
Processor package sizeDiffers	52.5 x 45 mm	37.5 x 37.5 mm
ScalabilityDiffers	2S	1S
Supported instruction setsDiffers	AVX	AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
Thermal solution specificationKnown for one	Unknown — not stated by the source	PCG 2013C
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost Technology	2.0	2.0
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Conflict-Free processorDiffers	No	Yes
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor codeKnown for one	SR207	Unknown — not stated by the source
Audioidentical
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC662
Audio systemKnown for one	Unknown — not stated by the source	HD
Weight & dimensions4 differ
WidthDiffers	175 mm	160 mm
DepthDiffers	464.8 mm	400 mm
HeightDiffers	444.5 mm	397 mm
WeightDiffers	15 kg	7.5 kg
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	GREENGUARD, ErP Lot 3
Sustainability1 differ
Sustainability certificatesDiffers	ENERGY STAR	EPEAT Silver, ENERGY STAR

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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