i5-11400F vs i7-7800X

VS

Aggregate performance score

Core i7-7800X
2017
6 cores / 12 threads, 140 Watt
8.11
Core i5-11400F
2021
6 cores / 12 threads, 65 Watt
10.71
+32.1%

Core i5-11400F outperforms Core i7-7800X by a substantial 32% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7800X and Core i5-11400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking935732
Place by popularitynot in top-10030
Cost-effectiveness evaluation3.3139.28
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7no data
Power efficiency5.4815.59
Architecture codenameSkylake (server) (2017−2018)Rocket Lake (2021)
Release date30 May 2017 (7 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$383$157

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-11400F has 1087% better value for money than i7-7800X.

Detailed specifications

Core i7-7800X and Core i5-11400F 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)6 (Hexa-Core)
Threads1212
Base clock speed3.5 GHz2.6 GHz
Boost clock speed4 GHz4.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier35no data
L1 cache384 KB64K (per core)
L2 cache6 MB256K (per core)
L3 cache8.25 MB (shared)12 MB (shared)
Chip lithography14 nm14 nm
Die sizeno data276 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i7-7800X and Core i5-11400F 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
SocketFCLGA20661200
Power consumption (TDP)140 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7800X and Core i5-11400F. 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
AES-NI++
FMA-+
AVX++
vProno data-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data-
Deep Learning Boost-+

Security technologies

Core i7-7800X and Core i5-11400F 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 i7-7800X and Core i5-11400F are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7800X and Core i5-11400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR4
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/Ano data

Peripherals

Specifications and connection of peripherals supported by Core i7-7800X and Core i5-11400F.

PCIe version3.04.0
PCI Express lanes2820

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.

i7-7800X 8.11
i5-11400F 10.71
+32.1%

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.

i7-7800X 12883
i5-11400F 17005
+32%

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.

i7-7800X 1357
i5-11400F 1980
+45.9%

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.

i7-7800X 6135
i5-11400F 7601
+23.9%

Gaming performance

Pros & cons summary


Performance score 8.11 10.71
Recency 30 May 2017 16 March 2021
Power consumption (TDP) 140 Watt 65 Watt

i5-11400F has a 32.1% higher aggregate performance score, an age advantage of 3 years, and 115.4% lower power consumption.

The Core i5-11400F is our recommended choice as it beats the Core i7-7800X in performance tests.


Should you still have questions on choice between Core i7-7800X and Core i5-11400F, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i7-7800X
Core i7-7800X
Intel Core i5-11400F
Core i5-11400F

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Community ratings

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Questions & comments

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