i7-6800K vs i5-13400

VS

Aggregate performance score

Core i5-13400
2023
10 cores / 16 threads, 65 Watt
14.88
+115%
Core i7-6800K
2016
6 cores / 12 threads, 140 Watt
6.91

Core i5-13400 outperforms Core i7-6800K by a whopping 115% based on our aggregate benchmark results.

Primary details

Comparing Core i5-13400 and Core i7-6800K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4861023
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation44.021.56
Market segmentDesktop processorDesktop processor
Power efficiency21.264.58
Architecture codenameRaptor Lake-S (2023−2024)Broadwell-E (2016)
Release date4 January 2023 (1 year ago)31 May 2016 (8 years ago)
Launch price (MSRP)$221$345

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-13400 has 2722% better value for money than i7-6800K.

Detailed specifications

Core i5-13400 and Core i7-6800K 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)6 (Hexa-Core)
Threads1612
Base clock speed2.5 GHz3.4 GHz
Boost clock speed4.6 GHz3.8 GHz
L1 cache80K (per core)32 KB (per core)
L2 cache1.25 MB (per core)256 KB (per core)
L3 cache20 MB (shared)15 MB (shared)
Chip lithographyIntel 7 nm14 nm
Die size257 mm2no data
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier-+

Compatibility

Information on Core i5-13400 and Core i7-6800K 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 configuration11
SocketFCLGA1700FCLGA2011
Power consumption (TDP)65 Watt140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-13400 and Core i7-6800K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring+-
Smart Responseno data+
Turbo Boost Max 3.0-+
Deep Learning Boost+-

Security technologies

Core i5-13400 and Core i7-6800K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-13400 and Core i7-6800K are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-13400 and Core i7-6800K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4800, DDR4-3200DDR4
Maximum memory size192 GB128 GB
Max memory channels24
Maximum memory bandwidth76.8 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 730no data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.55 GHzno data
Execution Units24no data

Graphics interfaces

Available interfaces and connections of Core i5-13400 and Core i7-6800K integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i5-13400 and Core i7-6800K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2160 @ 60Hzno data
Max resolution over eDP5120 x 3200 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core i5-13400 and Core i7-6800K integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-13400 and Core i7-6800K.

PCIe version5.0 and 4.03.0
PCI Express lanes1628

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.

i5-13400 14.88
+115%
i7-6800K 6.91

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.

i5-13400 23188
+115%
i7-6800K 10764

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.

i5-13400 2297
+85.4%
i7-6800K 1239

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.

i5-13400 10186
+78.7%
i7-6800K 5700

Gaming performance

Pros & cons summary


Performance score 14.88 6.91
Recency 4 January 2023 31 May 2016
Physical cores 10 6
Threads 16 12
Power consumption (TDP) 65 Watt 140 Watt

i5-13400 has a 115.3% higher aggregate performance score, an age advantage of 6 years, 66.7% more physical cores and 33.3% more threads, and 115.4% lower power consumption.

The Core i5-13400 is our recommended choice as it beats the Core i7-6800K in performance tests.


Should you still have questions on choice between Core i5-13400 and Core i7-6800K, ask them in Comments section, and we shall answer.

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Intel Core i5-13400
Core i5-13400
Intel Core i7-6800K
Core i7-6800K

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Community ratings

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Questions & comments

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