i5-14400 vs i5-2500K

Aggregate performance score

Core i5-2500K
2011
4 cores / 4 threads, 95 Watt
2.60
Core i5-14400
2024
10 cores / 16 threads, 65 Watt
16.13
+520%

Core i5-14400 outperforms Core i5-2500K by a whopping 520% based on our aggregate benchmark results.

Primary details

Comparing Core i5-2500K and Core i5-14400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1718410
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.3150.11
Market segmentDesktop processorDesktop processor
SeriesCore i5 (Desktop)no data
Power efficiency2.5923.48
Architecture codenameSandy Bridge (2011−2013)Raptor Lake-R (2023−2024)
Release date9 January 2011 (13 years ago)8 January 2024 (less than a year ago)
Launch price (MSRP)$216$221

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-14400 has 16065% better value for money than i5-2500K.

Detailed specifications

Core i5-2500K and Core i5-14400 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)10 (Deca-Core)
Threads416
Base clock speed3.3 GHz2.5 GHz
Boost clock speed3.7 GHz4.7 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)80 KB (per core)
L2 cache256K (per core)1.25 MB (per core)
L3 cache6 MB (shared)20 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size216 mm2215 mm2
Maximum core temperature73 °C100 °C
Number of transistors1,160 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i5-2500K and Core i5-14400 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 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2500K and Core i5-14400. 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++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
FDI+no data
Fast Memory Access+no data
Deep Learning Boost-+

Security technologies

Core i5-2500K and Core i5-14400 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 i5-2500K and Core i5-14400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2500K and Core i5-14400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5-4800, DDR4-3200
Maximum memory size32 GB192 GB
Max memory channels22
Maximum memory bandwidth21 GB/s76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 3000Intel UHD Graphics 730
Quick Sync Video++
Clear Video HD++
Graphics max frequency1.1 GHz1.55 GHz
Execution Unitsno data24
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-2500K and Core i5-14400 integrated GPUs.

Number of displays supported24

Graphics image quality

Maximum display resolutions supported by Core i5-2500K and Core i5-14400 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 i5-2500K and Core i5-14400 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i5-2500K and Core i5-14400.

PCIe version2.05.0 and 4.0
PCI Express lanes1616

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.

i5-2500K 2.60
i5-14400 16.13
+520%

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.

i5-2500K 4123
i5-14400 25616
+521%

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.

i5-2500K 652
i5-14400 2393
+267%

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.

i5-2500K 1920
i5-14400 11156
+481%

Gaming performance

Pros & cons summary


Performance score 2.60 16.13
Integrated graphics card 0.66 4.15
Recency 9 January 2011 8 January 2024
Physical cores 4 10
Threads 4 16
Power consumption (TDP) 95 Watt 65 Watt

i5-14400 has a 520.4% higher aggregate performance score, 528.8% faster integrated GPU, an age advantage of 12 years, 150% more physical cores and 300% more threads, and 46.2% lower power consumption.

The Core i5-14400 is our recommended choice as it beats the Core i5-2500K in performance tests.


Should you still have questions on choice between Core i5-2500K and Core i5-14400, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-2500K
Core i5-2500K
Intel Core i5-14400
Core i5-14400

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.9 1788 votes

Rate Core i5-2500K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 119 votes

Rate Core i5-14400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-2500K or Core i5-14400, agree or disagree with our judgements, or report an error or mismatch.