i9-12900K vs i5-2400

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Aggregate performance score

Core i5-2400
2011
4 cores / 4 threads, 95 Watt
2.43
Core i9-12900K
2021
16 cores / 24 threads, 125 Watt
26.08
+973%

Core i9-12900K outperforms Core i5-2400 by a whopping 973% based on our aggregate benchmark results.

Primary details

Comparing Core i5-2400 and Core i9-12900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1773191
Place by popularity41not in top-100
Cost-effectiveness evaluation0.8637.30
Market segmentDesktop processorDesktop processor
SeriesCore i5 (Desktop)Intel Core i9
Power efficiency2.4219.76
Architecture codenameSandy Bridge (2011−2013)Alder Lake, Golden Cove, Gracemont (2021)
Release date9 January 2011 (13 years ago)4 November 2021 (3 years ago)
Launch price (MSRP)$60$589

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-12900K has 4237% better value for money than i5-2400.

Detailed specifications

Core i5-2400 and Core i9-12900K 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 cores4 (Quad-Core)16 (Hexadeca-Core)
Threads424
Base clock speed3.1 GHz3.2 GHz
Boost clock speed3.4 GHz5.2 GHz
Bus typeno dataDMI 4.0
Bus rate5 GT/s8 × 16 GT/s
Multiplierno data32
L1 cache64 KB (per core)80K (per core)
L2 cache256 KB (per core)1.25 MB (per core)
L3 cache6144 KB (shared)30 MB (shared)
Chip lithography32 nm10 nm
Die size216 mm2215.25 mm2"
Maximum core temperature73 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors1,160 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Core i5-2400 and Core i9-12900K 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
SocketLGA1155FCLGA1700
Power consumption (TDP)95 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2400 and Core i9-12900K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
SIPP-+
Turbo Boost Max 3.0no data+
FDI+no data
Fast Memory Access+no data
Deep Learning Boost-+

Security technologies

Core i5-2400 and Core i9-12900K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
Identity Protection+-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2400 and Core i9-12900K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2400 and Core i9-12900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4, DDR5
Maximum memory size32 GB128 GB
Max memory channels22
Maximum memory bandwidth21 GB/s76.805 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 2000Intel UHD Graphics 770
Quick Sync Video++
Clear Video HD++
Graphics max frequency1.1 GHz1.55 GHz
Execution Unitsno data32
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-2400 and Core i9-12900K integrated GPUs.

Number of displays supported24

Graphics image quality

Maximum display resolutions supported by Core i5-2400 and Core i9-12900K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2160 @ 60Hz
Max resolution over eDPno data5120 x 3200 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i5-2400 and Core i9-12900K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i5-2400 and Core i9-12900K.

PCIe version2.05.0 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.

i5-2400 2.43
i9-12900K 26.08
+973%

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.

i5-2400 3866
i9-12900K 41434
+972%

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.

i5-2400 550
i9-12900K 2647
+381%

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.

i5-2400 1599
i9-12900K 15553
+873%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i5-2400 4425
i9-12900K 9859
+123%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i5-2400 15344
i9-12900K 71819
+368%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i5-2400 5715
i9-12900K 18753
+228%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i5-2400 11.7
i9-12900K 3.66
+220%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i5-2400 5
i9-12900K 46
+796%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i5-2400 2.4
i9-12900K 19.3
+702%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i5-2400 3194
i9-12900K 11834
+271%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i5-2400 27
i9-12900K 201
+653%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i5-2400 137
i9-12900K 367
+168%

Gaming performance

Pros & cons summary


Performance score 2.43 26.08
Integrated graphics card 0.55 6.16
Recency 9 January 2011 4 November 2021
Physical cores 4 16
Threads 4 24
Chip lithography 32 nm 10 nm
Power consumption (TDP) 95 Watt 125 Watt

i5-2400 has 31.6% lower power consumption.

i9-12900K, on the other hand, has a 973.3% higher aggregate performance score, 1020% faster integrated GPU, an age advantage of 10 years, 300% more physical cores and 500% more threads, and a 220% more advanced lithography process.

The Core i9-12900K is our recommended choice as it beats the Core i5-2400 in performance tests.


Should you still have questions on choice between Core i5-2400 and Core i9-12900K, ask them in Comments section, and we shall answer.

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Intel Core i5-2400
Core i5-2400
Intel Core i9-12900K
Core i9-12900K

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Community ratings

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Questions & comments

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