i9-9800X vs i7-7800X

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Primary details

Comparing Core i7-7800X and Core i9-9800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking935not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.30no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7no data
Power efficiency5.48no data
Architecture codenameSkylake (server) (2017−2018)Skylake-X (2018)
Release date26 June 2017 (7 years ago)October 2018 (6 years ago)
Launch price (MSRP)$383no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-7800X and Core i9-9800X basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores6 (Hexa-Core)8 (Octa-Core)
Threads1216
Base clock speed3.5 GHzno data
Boost clock speed4 GHz3.8 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier35no data
L1 cache64 KB (per core)64K (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache8.25 MB (shared)16.5 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier++

Compatibility

Information on Core i7-7800X and Core i9-9800X compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCLGA20662066
Power consumption (TDP)140 Watt165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7800X and Core i9-9800X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++

Security technologies

Core i7-7800X and Core i9-9800X technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7800X and Core i9-9800X are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7800X and Core i9-9800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR4
Maximum memory size128 GBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Core i7-7800X and Core i9-9800X.

PCIe version3.0no data
PCI Express lanes28no data

Pros & cons summary


Physical cores 6 8
Threads 12 16
Power consumption (TDP) 140 Watt 165 Watt

i7-7800X has 17.9% lower power consumption.

i9-9800X, on the other hand, has 33.3% more physical cores and 33.3% more threads.

We couldn't decide between Core i7-7800X and Core i9-9800X. We've got no test results to judge.


Should you still have questions on choice between Core i7-7800X and Core i9-9800X, ask them in Comments section, and we shall answer.

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Intel Core i7-7800X
Core i7-7800X
Intel Core i9-9800X
Core i9-9800X

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Community ratings

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