Product comparison · 2 cpus

HP Intel Core i9-7900X vs HP Intel Core i9-7940X

49specifications compared
8differ
41identical
3known for one product only

Key differences

Processor model
- Intel Core i9-7900X:i9-7900X
- Intel Core i9-7940X:i9-7940X
Processor base frequency
- Intel Core i9-7900X:3.3 GHz
- Intel Core i9-7940X:3.1 GHz
Processor cores
- Intel Core i9-7900X:10
- Intel Core i9-7940X:14
Component for
- Intel Core i9-7900X:PC
- Intel Core i9-7940X:Server/workstation
Processor threads
- Intel Core i9-7900X:20
- Intel Core i9-7940X:28
Processor cache
- Intel Core i9-7900X:13.75 MB
- Intel Core i9-7940X:19.25 MB
Thermal Design Power (TDP)
- Intel Core i9-7900X:140 W
- Intel Core i9-7940X:165 W
Tjunction
- Intel Core i9-7900X:95 °C
- Intel Core i9-7940X:102 °C

Side by side

Differences highlightedShow differences only

Comparison of Intel Core i9-7900X, Intel Core i9-7940X
52 specifications	A HP Intel Core i9-7900X View product	B HP Intel Core i9-7940X View product
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i9 X-series	Intel® Core™ i9 X-series
Processor generation	7th gen Intel® Core™ i9	7th gen Intel® Core™ i9
Processor modelDiffers	i9-7900X	i9-7940X
Processor base frequencyDiffers	3.3 GHz	3.1 GHz
Processor coresDiffers	10	14
Processor socket	LGA 2066 (Socket R4)	LGA 2066 (Socket R4)
Processor lithography	14 nm	14 nm
Component forDiffers	PC	Server/workstation
Processor threadsDiffers	20	28
System bus rate	8 GT/s	8 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequency	4.3 GHz	4.3 GHz
Processor cacheDiffers	13.75 MB	19.25 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	140 W	165 W
Compatible chipsetsKnown for one	Intel® X299	Unknown — not stated by the source
Bus type	DMI3	DMI3
Number of QPI linksKnown for one	0	Unknown — not stated by the source
Processor codename	Skylake	Skylake
Memoryidentical
Maximum internal memory supported by processor	128 GB	128 GB
Memory types supported by processor	DDR4-SDRAM	DDR4-SDRAM
Memory clock speeds supported by processor	2666 MHz	2666 MHz
Memory channels	Quad-channel	Quad-channel
ECC	No	No
Graphicsidentical
Discrete graphics card	No	No
On-board graphics card	No	No
On-board graphics card model	Not available	Not available
Discrete graphics card model	Not available	Not available
Featuresidentical
Execute Disable Bit	Yes	Yes
Market segment	Desktop	Desktop
Maximum number of PCI Express lanes	44	44
PCI Express slots version	3.0	3.0
Supported instruction sets	AVX 2.0, AVX-512, SSE4.1, SSE4.2	AVX 2.0, AVX-512, SSE4.1, SSE4.2
CPU configuration (max)	1	1
Embedded options available	No	No
PCI Express CEM revision	3.0	3.0
Scalability	1S	1S
Thermal solution specification	PCG 2017X	PCG 2017X
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
AVX-512 Fused Multiply-Add (FMA) units	2	2
Conflict-Free processor	Yes	Yes
Intel 64	Yes	Yes
Intel Turbo Boost Max Technology 3.0	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® Optane™ Memory Ready	Yes	Yes
Virtual Reality (VR) readyKnown for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
TjunctionDiffers	95 °C	102 °C

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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