i7-12700K vs i5-10400

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Aggregate performance score

Core i5-10400
2020
6 cores / 12 threads, 65 Watt
7.63
Core i7-12700K
2021
12 cores / 20 threads, 125 Watt
21.78
+185%

Core i7-12700K outperforms Core i5-10400 by a whopping 185% based on our aggregate benchmark results.

Primary details

Comparing Core i5-10400 and Core i7-12700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking970244
Place by popularity9373
Cost-effectiveness evaluationno data41.89
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i7
Power efficiency11.1216.50
Architecture codenameComet Lake (2020)Alder Lake, Golden Cove, Gracemont (2021)
Release date30 April 2020 (4 years ago)4 November 2021 (3 years ago)
Launch price (MSRP)no data$409

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-10400 and Core i7-12700K 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)12 (Dodeca-Core)
Threads1220
Base clock speed2.9 GHz3.6 GHz
Boost clock speed4.3 GHz5 GHz
Bus typeno dataDMI 4.0
Bus rate8 GT/s8 × 16 GT/s
Multiplierno data36
L1 cache64K (per core)80K (per core)
L2 cache256K (per core)1.25 MB (per core)
L3 cache12 MB (shared)25 MB (shared)
Chip lithography14 nm10 nm
Die sizeno data215.25 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 i5-10400 and Core i7-12700K 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
SocketFCLGA1200FCLGA1700
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-10400 and Core i7-12700K. 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
AES-NI++
FMA-+
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
SIPP-+
Turbo Boost Max 3.0-+
Deep Learning Boost-+

Security technologies

Core i5-10400 and Core i7-12700K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-10400 and Core i7-12700K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-10400 and Core i7-12700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4, DDR5
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth41.6 GB/s76.805 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 630Intel UHD Graphics 770
Max video memory64 GBno data
Quick Sync Video++
Clear Video+no data
Clear Video HD++
Graphics max frequency1.1 GHz1.5 GHz
Execution Unitsno data32
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-10400 and Core i7-12700K integrated GPUs.

Number of displays supported34

Graphics image quality

Maximum display resolutions supported by Core i5-10400 and Core i7-12700K integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2160@30Hz4096 x 2160 @ 60Hz
Max resolution over eDP4096 x 2304@60Hz5120 x 3200 @ 120Hz
Max resolution over DisplayPort4096 x 2304@60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i5-10400 and Core i7-12700K integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i5-10400 and Core i7-12700K.

PCIe version3.05.0 and 4.0
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.

i5-10400 7.63
i7-12700K 21.78
+185%

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.

i5-10400 12117
i7-12700K 34599
+186%

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.

i5-10400 1446
i7-12700K 2555
+76.7%

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.

i5-10400 5534
i7-12700K 13784
+149%

Gaming performance

Pros & cons summary


Performance score 7.63 21.78
Integrated graphics card 3.09 6.16
Recency 30 April 2020 4 November 2021
Physical cores 6 12
Threads 12 20
Chip lithography 14 nm 10 nm
Power consumption (TDP) 65 Watt 125 Watt

i5-10400 has 92.3% lower power consumption.

i7-12700K, on the other hand, has a 185.5% higher aggregate performance score, 99.4% faster integrated GPU, an age advantage of 1 year, 100% more physical cores and 66.7% more threads, and a 40% more advanced lithography process.

The Core i7-12700K is our recommended choice as it beats the Core i5-10400 in performance tests.


Should you still have questions on choice between Core i5-10400 and Core i7-12700K, ask them in Comments section, and we shall answer.

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Intel Core i5-10400
Core i5-10400
Intel Core i7-12700K
Core i7-12700K

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Community ratings

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Questions & comments

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