Product comparison · 2 all-in-one pcs/workstations

HP Z1 WM428EA Intel® Xeon® E3 Family E3-1245 vs HP Z1 WM429EA Intel® Xeon® E3 Family E3-1280

105specifications compared
18differ
87identical
8known for one product only

Key differences

Processor model
- Z1 WM428EA Intel® Xeon® E3 Family E3-1245:E3-1245
- Z1 WM429EA Intel® Xeon® E3 Family E3-1280:E3-1280
Processor boost frequency
- Z1 WM428EA Intel® Xeon® E3 Family E3-1245:3.7 GHz
- Z1 WM429EA Intel® Xeon® E3 Family E3-1280:3.9 GHz
Processor frequency
- Z1 WM428EA Intel® Xeon® E3 Family E3-1245:3.3 GHz
- Z1 WM429EA Intel® Xeon® E3 Family E3-1280:3.5 GHz
CPU multiplier (bus/core ratio)
- Z1 WM428EA Intel® Xeon® E3 Family E3-1245:33
- Z1 WM429EA Intel® Xeon® E3 Family E3-1280:35
Processor code
- Z1 WM428EA Intel® Xeon® E3 Family E3-1245:SR00L
- Z1 WM429EA Intel® Xeon® E3 Family E3-1280:SR00R
Tcase
- Z1 WM428EA Intel® Xeon® E3 Family E3-1245:72.6 °C
- Z1 WM429EA Intel® Xeon® E3 Family E3-1280:73.6 °C
Internal memory
- Z1 WM428EA Intel® Xeon® E3 Family E3-1245:4 GB
- Z1 WM429EA Intel® Xeon® E3 Family E3-1280:8 GB
Memory layout (slots x size)
- Z1 WM428EA Intel® Xeon® E3 Family E3-1245:2 x 2 GB
- Z1 WM429EA Intel® Xeon® E3 Family E3-1280:2 x 4 GB

Side by side

Differences highlightedShow differences only

Comparison of WM428EA, WM429EA
113 specifications	A HP Z1 WM428EA Intel® Xeon® E3 Family E3-1245 Model WM428EA View product	B HP Z1 WM429EA Intel® Xeon® E3 Family E3-1280 Model WM429EA View product
Displayidentical
Display diagonal	68.6 cm (27")	68.6 cm (27")
Processor6 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Xeon® E3 Family	Intel® Xeon® E3 Family
Processor modelDiffers	E3-1245	E3-1280
Processor cores	4	4
Processor threads	8	8
Processor boost frequencyDiffers	3.7 GHz	3.9 GHz
Processor frequencyDiffers	3.3 GHz	3.5 GHz
Processor cache	8 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
System bus rate	5 GT/s	5 GT/s
Thermal Design Power (TDP)	95 W	95 W
Bus type	DMI	DMI
CPU multiplier (bus/core ratio)Differs	33	35
FSB Parity	No	No
Maximum number of PCI Express lanes	20	20
PCI Express slots version	2.0	2.0
Processor codeDiffers	SR00L	SR00R
Processor codename	Sandy Bridge	Sandy Bridge
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Xeon E3-1200	Intel Xeon E3-1200
Stepping	D2	D2
TcaseDiffers	72.6 °C	73.6 °C
Conflict-Free processor	No	No
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	1066,1333 MHz	1066,1333 MHz
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
Memory channels supported by processor	Dual	Dual
ECC supported by processor	Yes	Yes
Memory2 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory type	DDR3	DDR3
Maximum internal memory	32 GB	32 GB
Memory slots	4x DIMM	4x DIMM
Memory clock speed	1600 MHz	1600 MHz
Memory layout (slots x size)Differs	2 x 2 GB	2 x 4 GB
Storage1 differ
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	1 TB
HDD speed	7200 RPM	7200 RPM
HDD interface	SATA	SATA
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
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 P3000	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	850 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1350 MHz	Unknown — not stated by the source
Audioidentical
Audio system	HD Audio	HD Audio
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
DisplayPorts quantity	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
Firewire (IEEE 1394) ports	1	1
S/PDIF out port	Yes	Yes
Designidentical
Country of origin	China	China
Performanceidentical
Product type	All-in-One workstation	All-in-One workstation
Motherboard chipset	Intel® C206	Intel® C206
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Processor special features7 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	Yes	No
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Advanced Vector ExtensionsKnown for one	Yes	Unknown — not stated by the source
Intel Clear Video Technology	No	No
Intel Demand Based Switching	Yes	Yes
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
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® Anti-Theft Technology (Intel® AT)	No	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® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Turbo Boost Technology	2.0	2.0
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	52274	52278
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Weight & dimensionsidentical
Width (with stand)	660.4 mm	660.4 mm
Depth (with stand)	419.1 mm	419.1 mm
Height (with stand)	584.2 mm	584.2 mm
Weight (with stand)	21.3 kg	21.3 kg
Other features2 differ
Graphics card familyDiffers	Intel	NVIDIA
Display included	Yes	Yes
Graphics cardDiffers	HD Graphics P3000	Quadro 1000M
Networking features	Gigabit Ethernet (10/100/1000)	Gigabit Ethernet (10/100/1000)
Number of processors installed	1	1
Power supply	400 W	400 W
Rack mounting	No	No
Wireless technology	802.11 a/g/n, Bluetooth	802.11 a/g/n, Bluetooth
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	2048 MB

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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