Product comparison · 2 cpus

HP Intel Core i7-7800X vs HP Intel Core i9-7940X

46specifications compared
13differ
33identical
5known for one product only

Key differences

Processor family
- Intel Core i7-7800X:Intel® Core™ i7 X-series
- Intel Core i9-7940X:Intel® Core™ i9 X-series
Processor generation
- Intel Core i7-7800X:7th gen Intel® Core™ i7
- Intel Core i9-7940X:7th gen Intel® Core™ i9
Processor model
- Intel Core i7-7800X:i7-7800X
- Intel Core i9-7940X:i9-7940X
Processor base frequency
- Intel Core i7-7800X:3.5 GHz
- Intel Core i9-7940X:3.1 GHz
Processor cores
- Intel Core i7-7800X:6
- Intel Core i9-7940X:14
Component for
- Intel Core i7-7800X:PC
- Intel Core i9-7940X:Server/workstation
Processor threads
- Intel Core i7-7800X:12
- Intel Core i9-7940X:28
Processor boost frequency
- Intel Core i7-7800X:4 GHz
- Intel Core i9-7940X:4.3 GHz

Side by side

Differences highlightedShow differences only

Comparison of Intel Core i7-7800X, Intel Core i9-7940X
51 specifications	A HP Intel Core i7-7800X View product	B HP Intel Core i9-7940X View product
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7 X-series	Intel® Core™ i9 X-series
Processor generationDiffers	7th gen Intel® Core™ i7	7th gen Intel® Core™ i9
Processor modelDiffers	i7-7800X	i9-7940X
Processor base frequencyDiffers	3.5 GHz	3.1 GHz
Processor coresDiffers	6	14
Processor socket	LGA 2066 (Socket R4)	LGA 2066 (Socket R4)
Processor lithography	14 nm	14 nm
Component forDiffers	PC	Server/workstation
Processor threadsDiffers	12	28
System bus rate	8 GT/s	8 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	4 GHz	4.3 GHz
Processor cacheDiffers	8.25 MB	19.25 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	140 W	165 W
Bus typeKnown for one	Unknown — not stated by the source	DMI3
Processor codename	Skylake	Skylake
Package typeKnown for one	Tray	Unknown — not stated by the source
Cooler includedKnown for one	No	Unknown — not stated by the source
Memory1 differ
Maximum internal memory supported by processor	128 GB	128 GB
Memory types supported by processor	DDR4-SDRAM	DDR4-SDRAM
Memory clock speeds supported by processorDiffers	2400 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
Features1 differ
Execute Disable Bit	Yes	Yes
Market segment	Desktop	Desktop
Maximum number of PCI Express lanesDiffers	28	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 processorKnown for one	Unknown — not stated by the source	Yes
Intel 64	Yes	Yes
Intel Turbo Boost Max Technology 3.0Known for one	Unknown — not stated by the source	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
Operational conditions1 differ
TjunctionDiffers	100 °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.

More cpu comparisons

All cpu comparisons