i9-9990XE vs i9-7900X

VS

Aggregate performance score

Core i9-7900X
2017
10 cores / 20 threads, 140 Watt
13.25
Core i9-9990XE
2019
14 cores / 28 threads, 255 Watt
18.99
+43.3%

Core i9-9990XE outperforms Core i9-7900X by a considerable 43% based on our aggregate benchmark results.

Primary details

Comparing Core i9-7900X and Core i9-9990XE processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking568311
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.962.94
Market segmentDesktop processorWorkstation
SeriesCore i9 (Desktop)Intel Core i9
Power efficiency8.967.05
Architecture codenameSkylake (server) (2017−2018)Skylake (server) (2017−2018)
Release date30 May 2017 (7 years ago)3 January 2019 (5 years ago)
Launch price (MSRP)$999$2,800

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-7900X has 1% better value for money than i9-9990XE.

Detailed specifications

Core i9-7900X and Core i9-9990XE 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 cores10 (Deca-Core)14 (Tetradeca-Core)
Threads2028
Base clock speed3.3 GHz4 GHz
Boost clock speed4.5 GHz4 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier3340
L1 cache640 KB896 KB
L2 cache10 MB14 MB
L3 cache13.75 MB19.25 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperature95 °Cno data
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier++

Compatibility

Information on Core i9-7900X and Core i9-9990XE 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 (Uniprocessor)
SocketSocket R42066
Power consumption (TDP)140 Watt255 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7900X and Core i9-9990XE. 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++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
Turbo Boost Max 3.0+no data

Security technologies

Core i9-7900X and Core i9-9990XE technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7900X and Core i9-9990XE are enumerated here.

AMD-V+-
VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7900X and Core i9-9990XE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4 Quad-channel
Maximum memory size128 GB128 GB
Max memory channels44
Maximum memory bandwidth85.33 GB/s85.33 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AN/A

Peripherals

Specifications and connection of peripherals supported by Core i9-7900X and Core i9-9990XE.

PCIe version3.03.0
PCI Express lanes4444

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i9-7900X 13.25
i9-9990XE 18.99
+43.3%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i9-7900X 21040
i9-9990XE 30162
+43.4%

Gaming performance

Pros & cons summary


Performance score 13.25 18.99
Recency 30 May 2017 3 January 2019
Physical cores 10 14
Threads 20 28
Power consumption (TDP) 140 Watt 255 Watt

i9-7900X has 82.1% lower power consumption.

i9-9990XE, on the other hand, has a 43.3% higher aggregate performance score, an age advantage of 1 year, and 40% more physical cores and 40% more threads.

The Core i9-9990XE is our recommended choice as it beats the Core i9-7900X in performance tests.

Note that Core i9-7900X is a desktop processor while Core i9-9990XE is a server/workstation one.


Should you still have questions on choice between Core i9-7900X and Core i9-9990XE, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i9-7900X
Core i9-7900X
Intel Core i9-9990XE
Core i9-9990XE

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Community ratings

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Questions & comments

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