i9-11900F vs i5-8400

VS

Aggregate performance score

Core i5-8400
2017
6 cores / 6 threads, 65 Watt
5.81
Core i9-11900F
2021
8 cores / 16 threads, 65 Watt
13.98
+141%

Core i9-11900F outperforms Core i5-8400 by a whopping 141% based on our aggregate benchmark results.

Primary details

Comparing Core i5-8400 and Core i9-11900F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1128531
Place by popularity63not in top-100
Cost-effectiveness evaluation4.95no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5no data
Power efficiency8.4620.35
Architecture codenameCoffee Lake-S (2017−2018)Rocket Lake (2021)
Release date24 September 2017 (7 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$182no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8400 and Core i9-11900F 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)
Threads616
Base clock speed2.8 GHz2.5 GHz
Boost clock speed4 GHz5.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier28no data
L1 cache384 KB64K (per core)
L2 cache1.5 MB256K (per core)
L3 cache9 MB (shared)16 MB (shared)
Chip lithography14 nm14 nm
Die size149 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i5-8400 and Core i9-11900F 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
SocketFCLGA1151FCLGA1200
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400 and Core i9-11900F. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® 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 States++
Thermal Monitoring++
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core i5-8400 and Core i9-11900F technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
MPX+-
Identity Protection++
SGXYes with Intel® ME-
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400 and Core i9-11900F are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400 and Core i9-11900F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4-3200
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.05 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-8400 and Core i9-11900F integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-8400 and Core i9-11900F integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Core i5-8400 and Core i9-11900F integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8400 and Core i9-11900F.

PCIe version3.04.0
PCI Express lanes1620

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.

i5-8400 5.81
i9-11900F 13.98
+141%

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.

i5-8400 9236
i9-11900F 22213
+141%

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.

i5-8400 1373
i9-11900F 2223
+61.9%

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.

i5-8400 4809
i9-11900F 9460
+96.7%

Gaming performance

Pros & cons summary


Performance score 5.81 13.98
Recency 24 September 2017 16 March 2021
Physical cores 6 8
Threads 6 16

i9-11900F has a 140.6% higher aggregate performance score, an age advantage of 3 years, and 33.3% more physical cores and 166.7% more threads.

The Core i9-11900F is our recommended choice as it beats the Core i5-8400 in performance tests.


Should you still have questions on choice between Core i5-8400 and Core i9-11900F, ask them in Comments section, and we shall answer.

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Intel Core i5-8400
Core i5-8400
Intel Core i9-11900F
Core i9-11900F

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Community ratings

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Questions & comments

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