Product comparison · 2 pcs/workstations

HP Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA) vs HP Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT)

100specifications compared
40differ
60identical
45known for one product only

Key differences

Processor family
- Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA):Intel® Core™ i7
- Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT):Intel Xeon W
Processor model
- Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA):i7-9700K
- Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT):W-2225
Processor cores
- Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA):8
- Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT):4
Processor boost frequency
- Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA):4.9 GHz
- Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT):4.6 GHz
Processor frequency
- Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA):3.6 GHz
- Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT):4.1 GHz
Processor cache
- Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA):12 MB
- Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT):8.25 MB
Processor codename
- Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA):Coffee Lake
- Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT):Cascade Lake
Thermal Design Power (TDP)
- Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA):95 W
- Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT):105 W

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Differences highlightedShow differences only

Comparison of Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA), Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT)
145 specifications	A HP Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA)View product	B HP Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT)View product
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel Xeon W
Processor generationKnown for one	9th gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-9700K	W-2225
Processor coresDiffers	8	4
Processor threads	8	8
Processor boost frequencyDiffers	4.9 GHz	4.6 GHz
Processor frequencyDiffers	3.6 GHz	4.1 GHz
Processor cacheDiffers	12 MB	8.25 MB
Processor cache typeKnown for one	Smart Cache	Unknown — not stated by the source
System bus rateKnown for one	8 GT/s	Unknown — not stated by the source
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor codenameDiffers	Coffee Lake	Cascade Lake
Thermal Design Power (TDP)Differs	95 W	105 W
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesDiffers	16	48
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x4, 1x8, 1x16
PCI Express slots version	3.0	3.0
Number of processors installed	1	1
Processor socketDiffers	LGA 1151 (Socket H4)	LGA 2066 (Socket R4)
Maximum internal memory supported by processorDiffers	128 GB	1 TB
Memory types supported by processor	DDR4-SDRAM	DDR4-SDRAM
Memory clock speeds supported by processorDiffers	2666 MHz	2933 MHz
Memory bandwidth supported by processor (max)Differs	41.6 GB/s	93.85 GB/s
TcaseKnown for one	Unknown — not stated by the source	61 °C
Memory5 differ
Internal memoryDiffers	16 GB	32 GB
Maximum internal memoryDiffers	128 GB	256 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Memory layout (slots x size)Differs	2 x 8 GB	2 x 16 GB
Memory slotsDiffers	4x DIMM	8x DIMM
Memory clock speedDiffers	2666 MHz	2933 MHz
ECCKnown for one	Unknown — not stated by the source	Yes
Storage2 differ
Total storage capacity	4.51 TB	4.51 TB
Optical drive type	DVD-RW	DVD-RW
Storage media	HDD+SSD	HDD+SSD
Total HDDs capacity	4 TB	4 TB
Number of HDDs installed	1	1
HDD capacity	4 TB	4 TB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Total SSDs capacity	512 GB	512 GB
Number of SSDs installed	1	1
SSD capacity	512 GB	512 GB
SSD interfaceDiffers	PCI Express	SATA
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	SD	Unknown — not stated by the source
RAID supportKnown for one	Unknown — not stated by the source	Yes
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 10
Graphics4 differ
Discrete graphics cardDiffers	No	Yes
On-board graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	Not available	NVIDIA Quadro RTX 4000
On-board GPU manufacturerKnown for one	Intel	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® UHD Graphics 630	Not available
Maximum on-board graphics card memoryKnown for one	64 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	1200 MHz	Unknown — not stated by the source
On-board graphics card DirectX versionKnown for one	12.0	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x3E98	Unknown — not stated by the source
On-board graphics card OpenGL versionKnown for one	4.5	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	8 GB
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR6
Performance1 differ
Product type	Workstation	Workstation
Motherboard chipsetDiffers	Intel C246	Intel® C422
Market positioningKnown for one	Unknown — not stated by the source	Business
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	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	6	12
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
Thunderbolt 3 ports quantity	0	0
DisplayPorts quantityKnown for one	2	Unknown — not stated by the source
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) portsDiffers	1	2
Combo headphone/mic port	Yes	Yes
Headphone outputs	1	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone inDiffers	No	Yes
VGA (D-Sub) ports quantity	0	0
DVI portDiffers	Yes	No
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	Unknown — not stated by the source	2
PS/2 ports quantityKnown for one	Unknown — not stated by the source	2
Expansion slotsidentical
PCI Express x1 (Gen 3.x) slotsKnown for one	2	Unknown — not stated by the source
PCI Express x4 (Gen 3.x) slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
Designidentical
Chassis type	Tower	Tower
Placement supported	Vertical	Vertical
Product colour	Black	Black
Number of 5.25" baysKnown for one	Unknown — not stated by the source	2
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Country of originKnown for one	Unknown — not stated by the source	China
Softwareidentical
Operating system installed	Windows 10 Pro	Windows 10 Pro
Operating system architecture	64-bit	64-bit
Displayidentical
Display included	No	No
Processor special features5 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Software Guard Extensions (Intel SGX)Differs	Yes	No
Intel Stable Image Platform Program (SIPP)Known for one	Yes	Unknown — not stated by the source
Intel TSX-NI	Yes	Yes
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)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® OS Guard	Yes	Yes
Intel® Optane™ Memory ReadyKnown for one	Yes	Unknown — not stated by the source
Intel® Secure Key	Yes	Yes
Processor ARK IDDiffers	186604	198610
Processor package sizeDiffers	37.5 x 37.5 mm	45 x 52.5 mm
Scalability	1S	1S
Supported instruction setsDiffers	SSE4.1, SSE4.2, AVX 2.0	SSE4.2, AVX, AVX 2.0, AVX-512
Thermal Monitoring Technologies	Yes	Yes
Thermal solution specificationKnown for one	PCG 2015D	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 TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Brand-specific featuresidentical
HP segmentKnown for one	Business	Unknown — not stated by the source
Audio1 differ
Audio chipDiffers	Conexant CX20632-31Z	Realtek HD ALC221
Weight & dimensions3 differ
Width	169 mm	169 mm
DepthDiffers	435 mm	445 mm
HeightDiffers	356 mm	386 mm
WeightDiffers	7 kg	10.2 kg
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Optical driveidentical
Optical drives quantityKnown for one	Unknown — not stated by the source	1
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	1000 W
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84715000

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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