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

The HP Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA) has 4 more processor cores than the HP Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT) (8 vs 4). The HP Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA) has 0.3 GHz more processor boost frequency than the HP Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT) (4.9 GHz vs 4.6 GHz). The HP Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT) has 0.5 GHz more processor frequency than the HP Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA) (4.1 GHz vs 3.6 GHz). Only the HP Z2 G4 (6TX06EA) + 4TB HDD (K4T76AA) has card reader integrated. Only the HP Z4 G4 (9LM37EA) + 4TB SATA 7200 (K4T76AA) + NVIDIA Quadro RTX 4000 (5JV89AT) + 16GB (1x16GB) DDR4-2933 ECC (5YZ54AT) has discrete graphics card.

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

Side by side

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 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 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 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
Processor socketDiffers	LGA 1151 (Socket H4)	LGA 2066 (Socket R4)
Maximum internal memory supported by processorDiffers	128 GB	1 TB
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
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
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
Motherboard chipsetDiffers	Intel C246	Intel® C422
Market positioningKnown for one	Unknown — not stated by the source	Business
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
DisplayPorts quantityKnown for one	2	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	1	2
Microphone inDiffers	No	Yes
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
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
Processor special features5 differ
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® 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® Optane™ Memory ReadyKnown for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	186604	198610
Processor package sizeDiffers	37.5 x 37.5 mm	45 x 52.5 mm
Supported instruction setsDiffers	SSE4.1, SSE4.2, AVX 2.0	SSE4.2, AVX, AVX 2.0, AVX-512
Thermal solution specificationKnown for one	PCG 2015D	Unknown — not stated by the source
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 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
DepthDiffers	435 mm	445 mm
HeightDiffers	356 mm	386 mm
WeightDiffers	7 kg	10.2 kg
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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