Product comparison · 2 pcs/workstations

HP 230 SFF + Z24n vs HP 251-a123w Intel® Pentium® J2900

114specifications compared
70differ
44identical
55known for one product only

Key differences

Processor family
- 230 SFF + Z24n:Intel® Core™ i7
- 251-a123w Intel® Pentium® J2900:Intel® Pentium®
Processor model
- 230 SFF + Z24n:i7-4790
- 251-a123w Intel® Pentium® J2900:J2900
Processor threads
- 230 SFF + Z24n:8
- 251-a123w Intel® Pentium® J2900:4
Processor boost frequency
- 230 SFF + Z24n:4 GHz
- 251-a123w Intel® Pentium® J2900:2.66 GHz
Processor frequency
- 230 SFF + Z24n:3.6 GHz
- 251-a123w Intel® Pentium® J2900:2.41 GHz
Processor cache
- 230 SFF + Z24n:8 MB
- 251-a123w Intel® Pentium® J2900:2 MB
Processor cache type
- 230 SFF + Z24n:Smart Cache
- 251-a123w Intel® Pentium® J2900:L2
Processor codename
- 230 SFF + Z24n:Haswell
- 251-a123w Intel® Pentium® J2900:Bay Trail

Side by side

Differences highlightedShow differences only

Comparison of 230 SFF + Z24n, 251-a123w
169 specifications	A HP 230 SFF + Z24n View product	B HP 251-a123w Intel® Pentium® J2900 Model 251-a123w View product
Processor19 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Pentium®
Processor generationKnown for one	4th gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-4790	J2900
Processor cores	4	4
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	4 GHz	2.66 GHz
Processor frequencyDiffers	3.6 GHz	2.41 GHz
Processor cacheDiffers	8 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB Parity	No	No
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor lithography	22 nm	22 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Core i7-4700 Desktop series	Intel Pentium J2000 Series for Desktop
Processor codenameDiffers	Haswell	Bay Trail
Thermal Design Power (TDP)Differs	84 W	10 W
TcaseKnown for one	72.72 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesDiffers	16	4
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x4
PCI Express slots versionDiffers	3.0	2.0
Number of QPI linksKnown for one	0	Unknown — not stated by the source
Number of processors installed	1	1
Processor socketDiffers	LGA 1150 (Socket H3)	BGA 1170
SteppingDiffers	C0	B3
Maximum internal memory supported by processorDiffers	32 GB	8 GB
Memory types supported by processorDiffers	DDR3-SDRAM	DDR3L-SDRAM
Memory clock speeds supported by processorDiffers	1333,1600 MHz	1333 MHz
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	21.3 GB/s
ECC supported by processor	No	No
TjunctionKnown for one	Unknown — not stated by the source	105 °C
Memory3 differ
Internal memoryDiffers	8 GB	4 GB
Maximum internal memoryDiffers	32 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	2 x 4 GB	Unknown — not stated by the source
Memory slotsDiffers	4x DIMM	2x DIMM
Memory clock speed	1600 MHz	1600 MHz
ECCKnown for one	Yes	Unknown — not stated by the source
Memory channels	Dual-channel	Dual-channel
Storage3 differ
Total storage capacityDiffers	256 GB	1 TB
Optical drive type	DVD Super Multi	DVD Super Multi
Storage mediaDiffers	SSD	HDD
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	256 GB	Unknown — not stated by the source
SSD interfaceKnown for one	PCI Express	Unknown — not stated by the source
Card reader integratedDiffers	No	Yes
Total HDDs capacityKnown for one	Unknown — not stated by the source	1 TB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	1 TB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphics5 differ
On-board graphics card	Yes	Yes
Discrete graphics card model	Not available	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4600	Intel® HD Graphics
Maximum on-board graphics card memoryKnown for one	1.024 GB	Unknown — not stated by the source
Number of displays supported (on-board graphics)Differs	3	2
On-board graphics card base frequencyDiffers	350 MHz	688 MHz
On-board graphics card dynamic frequency (max)Differs	1200 MHz	896 MHz
On-board graphics card DirectX versionDiffers	11.1	11.2
On-board graphics card IDKnown for one	0x412	Unknown — not stated by the source
Discrete graphics cardKnown for one	Unknown — not stated by the source	No
On-board graphics card burst frequencyKnown for one	Unknown — not stated by the source	896 MHz
Performance1 differ
Product typeDiffers	Workstation	PC
Motherboard chipsetKnown for one	Intel® C226	Unknown — not stated by the source
Optical driveidentical
Optical drives quantity	1	1
BD interface typeKnown for one	SATA	Unknown — not stated by the source
Network2 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Wi-FiDiffers	No	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	6	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
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 portDiffers	No	Yes
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Expansion slotsidentical
PCI Express x1 (Gen 2.x) slotsKnown for one	2	Unknown — not stated by the source
PCI Express x4 (Gen 2.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	240 W	65 W
Design1 differ
Chassis typeDiffers	SFF	Tower
Product colour	Black	Black
Country of origin	China	China
Liquid cooling systemKnown for one	Unknown — not stated by the source	No
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 10 Home
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Windows 8.1 Pro	Unknown — not stated by the source
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	61 cm (24")	Unknown — not stated by the source
Display resolutionKnown for one	1920 x 1200 pixels	Unknown — not stated by the source
Panel typeKnown for one	IPS	Unknown — not stated by the source
Native aspect ratioKnown for one	16:10	Unknown — not stated by the source
Contrast ratio (typical)Known for one	1000:1	Unknown — not stated by the source
Display brightnessKnown for one	300 cd/m²	Unknown — not stated by the source
Viewing angle, horizontalKnown for one	178°	Unknown — not stated by the source
Viewing angle, verticalKnown for one	178°	Unknown — not stated by the source
Processor special features25 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	22 nm	22 nm
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 StateDiffers	Yes	No
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 versionKnown for one	1.00	Unknown — not stated by the source
Intel Small Business Advantage (SBA) versionDiffers	1.00	0.00
Intel Stable Image Platform Program (SIPP)Differs	Yes	No
Intel Stable Image Platform Program (SIPP) versionDiffers	1.00	0.00
Intel TSX-NIKnown for one	No	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	0.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
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 GuardKnown for one	Yes	Unknown — not stated by the source
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheDiffers	Yes	No
Intel® Virtualization Technology (Intel® VT)Differs	VT-d, VT-x	VT-x
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Processor ARK IDDiffers	80806	78868
Processor codeDiffers	SR1QF	SR1SB
Processor package sizeDiffers	37.5 x 37.5 mm	25 X 27 mm
ScalabilityKnown for one	1S	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX 2.0, SSE4.1, SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
Thermal solution specificationKnown for one	PCG 2013D	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Quick Sync Video Technology	Yes	Yes
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 processor	Yes	Yes
Intel HD GraphicsKnown for one	Unknown — not stated by the source	Yes
Intel® Built-in Visuals TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Audioidentical
Audio systemKnown for one	HD	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	337 mm	165.1 mm
DepthDiffers	384 mm	375 mm
HeightDiffers	100 mm	363.9 mm
WeightDiffers	7.2 kg	4.87 kg
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	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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