i5-11400 vs i9-9980XE

VS

Aggregate performance score

Core i9-9980XE
2018
18 cores / 36 threads, 165 Watt
18.34
+71.4%
Core i5-11400
2021
6 cores / 12 threads, 65 Watt
10.70

Core i9-9980XE outperforms Core i5-11400 by an impressive 71% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9980XE and Core i5-11400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking329735
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.94no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9no data
Power efficiency10.5215.58
Architecture codenameSkylake (server) (2017−2018)Rocket Lake (2021)
Release date8 October 2018 (6 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$1,979no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9980XE and Core i5-11400 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 cores18 (Octadeca-Core)6 (Hexa-Core)
Threads3612
Base clock speed3 GHz2.6 GHz
Boost clock speed4.5 GHz4.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier30no data
L1 cache1.125 MB64K (per core)
L2 cache18 MB256K (per core)
L3 cache24.75 MB (shared)12 MB (shared)
Chip lithography14 nm14 nm
Die size484 mm2no data
Maximum core temperature84 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-9980XE and Core i5-11400 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
SocketFCLGA2066FCLGA1200
Power consumption (TDP)165 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9980XE and Core i5-11400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0+-
Deep Learning Boost-+

Security technologies

Core i9-9980XE and Core i5-11400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Keyno data+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9980XE and Core i5-11400 are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9980XE and Core i5-11400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-3200
Maximum memory size128 GB128 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel UHD Graphics 730
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.3 GHz
Execution Unitsno data24
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i9-9980XE and Core i5-11400 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core i9-9980XE and Core i5-11400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2160@60Hz
Max resolution over eDPno data5120 x 3200 @60Hz
Max resolution over DisplayPortno data5120 x 3200 @60Hz

Graphics API support

APIs supported by Core i9-9980XE and Core i5-11400 integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i9-9980XE and Core i5-11400.

PCIe version3.04.0
PCI Express lanes4420

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.

i9-9980XE 18.34
+71.4%
i5-11400 10.70

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.

i9-9980XE 29127
+71.4%
i5-11400 16990

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i9-9980XE 1428
i5-11400 1964
+37.5%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i9-9980XE 11345
+55.5%
i5-11400 7298

Gaming performance

Pros & cons summary


Performance score 18.34 10.70
Recency 8 October 2018 16 March 2021
Physical cores 18 6
Threads 36 12
Power consumption (TDP) 165 Watt 65 Watt

i9-9980XE has a 71.4% higher aggregate performance score, and 200% more physical cores and 200% more threads.

i5-11400, on the other hand, has an age advantage of 2 years, and 153.8% lower power consumption.

The Core i9-9980XE is our recommended choice as it beats the Core i5-11400 in performance tests.


Should you still have questions on choice between Core i9-9980XE and Core i5-11400, ask them in Comments section, and we shall answer.

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Intel Core i9-9980XE
Core i9-9980XE
Intel Core i5-11400
Core i5-11400

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Community ratings

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Questions & comments

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