Product comparison · 2 pcs/workstations

HP 400 G1 SFF + monitor vs HP 820 + 3x Z23i

121specifications compared
64differ
57identical
41known for one product only

Key differences

Processor family
- 400 G1 SFF + monitor:Intel® Core™ i5
- 820 + 3x Z23i:Intel® Xeon® E5 V2 Family
Processor model
- 400 G1 SFF + monitor:i5-4570
- 820 + 3x Z23i:E5-2620V2
Processor cores
- 400 G1 SFF + monitor:4
- 820 + 3x Z23i:6
Processor threads
- 400 G1 SFF + monitor:4
- 820 + 3x Z23i:12
Processor boost frequency
- 400 G1 SFF + monitor:3.6 GHz
- 820 + 3x Z23i:2.6 GHz
Processor frequency
- 400 G1 SFF + monitor:3.2 GHz
- 820 + 3x Z23i:2.1 GHz
Processor cache
- 400 G1 SFF + monitor:6 MB
- 820 + 3x Z23i:15 MB
Bus type
- 400 G1 SFF + monitor:DMI2
- 820 + 3x Z23i:QPI

Side by side

Differences highlightedShow differences only

Comparison of 400 G1 SFF + monitor, 820 + 3x Z23i
162 specifications	A HP 400 G1 SFF + monitor View product	B HP 820 + 3x Z23i View product
Processor22 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Xeon® E5 V2 Family
Processor generationKnown for one	4th gen Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-4570	E5-2620V2
Processor coresDiffers	4	6
Processor threadsDiffers	4	12
Processor boost frequencyDiffers	3.6 GHz	2.6 GHz
Processor frequencyDiffers	3.2 GHz	2.1 GHz
Processor cacheDiffers	6 MB	15 MB
Processor cache type	Smart Cache	Smart Cache
Bus typeDiffers	DMI2	QPI
FSB Parity	No	No
System bus rateDiffers	5 GT/s	7.2 GT/s
Processor lithographyDiffers	28 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-4500 Desktop Series	Intel Xeon E5-2600 v2
Processor codenameDiffers	Haswell	Ivy Bridge EP
Thermal Design Power (TDP)Differs	84 W	80 W
TcaseDiffers	72.72 °C	71 °C
Maximum number of PCI Express lanesDiffers	16	40
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	x4, x8, x16
PCI Express slots version	3.0	3.0
Number of QPI linksDiffers	0	2
Number of processors installed	1	1
Processor socketDiffers	LGA 1150 (Socket H3)	LGA 2011 (Socket R)
SteppingKnown for one	C0	Unknown — not stated by the source
Maximum internal memory supported by processorDiffers	32 GB	768 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1333,1600 MHz	800,1066,1333,1600 MHz
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	51.2 GB/s
ECC supported by processorDiffers	No	Yes
Memory5 differ
Internal memoryDiffers	4 GB	16 GB
Maximum internal memoryKnown for one	16 GB	Unknown — not stated by the source
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 4 GB	4 x 4 GB
Memory slotsDiffers	2x DIMM	16x DIMM
Memory clock speedDiffers	1600 MHz	1866 MHz
Memory channelsDiffers	Dual-channel	Quad-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Storage2 differ
Total storage capacityDiffers	500 GB	1 TB
Optical drive type	DVD Super Multi	DVD Super Multi
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	1 TB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	Yes	Yes
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card model	Not available	Not available
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics 4600	Unknown — not stated by the source
Maximum on-board graphics card memoryKnown for one	1.74 GB	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	3	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	350 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1150 MHz	Unknown — not stated by the source
On-board graphics card DirectX versionKnown for one	11.1	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x412	Unknown — not stated by the source
Performance2 differ
Product typeDiffers	PC	Workstation
Motherboard chipsetDiffers	Intel® H81	Intel® C602
Optical driveidentical
Optical drives quantity	1	1
BD interface type	SATA	SATA
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 & interfaces5 differ
USB 2.0 ports quantityDiffers	6	5
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	4
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) portsDiffers	1	2
Headphone outputs	1	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	1	0
DVI portDiffers	Yes	No
PS/2 ports quantity	2	2
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	2
Expansion slots1 differ
Number of 3.5" baysDiffers	2	4
PCI Express x1 slotsKnown for one	3	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x4 (Gen 2.x) slotsKnown for one	Unknown — not stated by the source	1
PCI Express x4 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	1
PCI Express x8 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	3
PCI slotsKnown for one	Unknown — not stated by the source	1
Power1 differ
Power supplyDiffers	240 W	1125 W
Design1 differ
Chassis typeDiffers	SFF	Mini Tower
Number of 2.5" baysKnown for one	1	Unknown — not stated by the source
Product colour	Black	Black
Country of origin	China	China
Number of 5.25" baysKnown for one	Unknown — not stated by the source	3
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
Displayidentical
Display included	Yes	Yes
Display diagonalKnown for one	Unknown — not stated by the source	58.4 cm (23")
Display resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels
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 brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	178°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	178°
Processor special features19 differ
CPU configuration (max)Differs	1	2
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based SwitchingDiffers	No	Yes
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology versionDiffers	1.00	0.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	1.00	Unknown — not stated by the source
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
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)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® OS Guard	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Processor ARK IDDiffers	75043	75789
Processor codeKnown for one	SR14E	Unknown — not stated by the source
Processor package sizeDiffers	37.5 x 37.5 mm	52.5 x 45 mm
ScalabilityDiffers	1S	2S
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX
Thermal Monitoring Technologies	Yes	Yes
Thermal solution specificationKnown for one	PCG 2013D	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Conflict-Free processorDiffers	Yes	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	46 bit
Audio1 differ
Audio systemDiffers	DTS Studio Sound	HD
Weight & dimensions4 differ
WidthDiffers	182.8 mm	203 mm
DepthDiffers	402 mm	525 mm
HeightDiffers	357 mm	444 mm
WeightDiffers	7.14 kg	19.5 kg
Packaging content1 differ
Mouse included	No	No
Keyboard includedDiffers	No	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
Intel segment taggingKnown for one	Enterprise, Small Business	Unknown — not stated by the source

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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