HP Z640 + Z22n vs HP Z640 + Z23n G2

Comparison of Z640 + Z22n, Z640 + Z23n G2

136 specifications	A HP Z640 + Z22nView product	B HP Z640 + Z23n G2View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Xeon® E5 v4	Intel® Xeon® E5 v4
Processor model	E5-2620V4	E5-2620V4
Processor cores	8	8
Processor threads	16	16
Processor boost frequency	3 GHz	3 GHz
Processor frequency	2.1 GHz	2.1 GHz
Processor cache	20 MB	20 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	QPI	QPI
System bus rate	8 GT/s	8 GT/s
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Xeon E5-2600 v4	Intel Xeon E5-2600 v4
Processor codename	Broadwell	Broadwell
Thermal Design Power (TDP)	85 W	85 W
Tcase	74 °C	74 °C
Maximum number of PCI Express lanes	40	40
PCI Express slots version	3.0	3.0
Number of QPI links	2	2
Number of processors installed	1	1
Processor socket	LGA 2011-v3	LGA 2011-v3
Stepping	R0	R0
Maximum internal memory supported by processor	1.53 TB	1.53 TB
Memory types supported by processor	DDR4-SDRAM	DDR4-SDRAM
Memory clock speeds supported by processor	1600,1866,2133 MHz	1600,1866,2133 MHz
Memory bandwidth supported by processor (max)	68.3 GB/s	68.3 GB/s
ECC supported by processor	Yes	Yes
Memoryidentical
Internal memory	16 GB	16 GB
Maximum internal memory	32 GB	32 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Memory layout (slots x size)	2 x 8 GB	2 x 8 GB
Memory slots	4x DIMM	4x DIMM
Memory clock speed	2133 MHz	2133 MHz
ECC	Yes	Yes
Memory channels	Quad-channel	Quad-channel
Storageidentical
Total storage capacity	1 TB	1 TB
Optical drive type	DVD Super Multi	DVD Super Multi
Storage media	HDD	HDD
Total HDDs capacity	1 TB	1 TB
Number of HDDs installed	1	1
HDD capacity	1 TB	1 TB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Graphicsidentical
Discrete graphics card	No	No
On-board graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card model	Not available	Not available
Performanceidentical
Product type	Workstation	Workstation
Motherboard chipset	Intel® C612	Intel® C612
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 & interfacesidentical
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	8	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0	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 quantity	0	0
Thunderbolt 3 ports quantity	0	0
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 quantity	0	0
DVI port	No	No
PS/2 ports quantity	2	2
Expansion slotsidentical
Number of 3.5" bays	2	2
PCI Express x1 (Gen 2.x) slots	1	1
PCI Express x4 (Gen 2.x) slots	1	1
PCI Express x8 (Gen 3.x) slots	1	1
PCI Express x16 (Gen 3.x) slots	2	2
PCI slots	1	1
Poweridentical
Power supply	925 W	925 W
Designidentical
Chassis type	Mini Tower	Mini Tower
Number of 5.25" bays	2	2
Product colour	Black	Black
Country of origin	China	China
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating system	Windows 10 Pro	Windows 10 Pro
Display1 differ
Display included	Yes	Yes
Display diagonalDiffers	54.6 cm (21.5")	58.4 cm (23")
Display type	LED	LED
Full HD	Yes	Yes
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Panel type	IPS	IPS
Native aspect ratio	16:9	16:9
Contrast ratio (typical)	1000:1	1000:1
Display brightness	250 cd/m²	250 cd/m²
Viewing angle, horizontal	178°	178°
Viewing angle, vertical	178°	178°
Processor special featuresidentical
CPU configuration (max)	2	2
Embedded options available	Yes	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Demand Based Switching	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	0.00	0.00
Intel Secure Key Technology version	1.00	1.00
Intel TSX-NI	Yes	Yes
Intel TSX-NI version	1.00	1.00
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® OS Guard	Yes	Yes
Intel® Secure Key	Yes	Yes
Physical Address Extension (PAE)	Yes	Yes
Processor ARK ID	92986	92986
Processor code	SR2R6	SR2R6
Processor package size	45 x 52.5 mm	45 x 52.5 mm
Scalability	2S	2S
Supported instruction sets	AVX 2.0	AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	No	No
Conflict-Free processor	Yes	Yes
Audioidentical
Audio system	HD	HD
Weight & dimensionsidentical
Width	175 mm	175 mm
Depth	464.8 mm	464.8 mm
Height	444.5 mm	444.5 mm
Weight	15 kg	15 kg
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	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.