A6-5400K vs i5-2500K

#ad 
Buy on Amazon
VS

Aggregate performance score

Core i5-2500K
2011
4 cores / 4 threads, 95 Watt
2.60
+225%
A6-5400K
2012
2 cores / 2 threads, 65 Watt
0.80

Core i5-2500K outperforms A6-5400K by a whopping 225% based on our aggregate benchmark results.

Primary details

Comparing Core i5-2500K and A6-5400K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking17212600
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.37no data
Market segmentDesktop processorDesktop processor
SeriesCore i5 (Desktop)no data
Power efficiency2.591.16
Architecture codenameSandy Bridge (2011−2013)Trinity (2012−2013)
Release date9 January 2011 (13 years ago)2 October 2012 (12 years ago)
Launch price (MSRP)$216no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-2500K and A6-5400K 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)2 (Dual-core)
Threads42
Base clock speed3.3 GHz3.6 GHz
Boost clock speed3.7 GHz3.8 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)128 KB (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache6 MB (shared)0 KB
Chip lithography32 nm32 nm
Die size216 mm2246 mm2
Maximum core temperature73 °Cno data
Maximum case temperature (TCase)no data70 °C
Number of transistors1,160 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier++

Compatibility

Information on Core i5-2500K and A6-5400K 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
SocketLGA1155FM2
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2500K and A6-5400K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXno data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
FDI+no data
Fast Memory Access+no data

Security technologies

Core i5-2500K and A6-5400K technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2500K and A6-5400K are enumerated here.

AMD-V-+
VT-d-no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2500K and A6-5400K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth21 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000Radeon HD 7540D
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-2500K and A6-5400K integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Core i5-2500K and A6-5400K.

PCIe version2.0no data
PCI Express lanes16no data

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
+225%
A6-5400K 0.80

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
+223%
A6-5400K 1275

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 651
+70.9%
A6-5400K 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.

i5-2500K 1919
+275%
A6-5400K 512

Gaming performance

Pros & cons summary


Performance score 2.60 0.80
Recency 9 January 2011 2 October 2012
Physical cores 4 2
Threads 4 2
Power consumption (TDP) 95 Watt 65 Watt

i5-2500K has a 225% higher aggregate performance score, and 100% more physical cores and 100% more threads.

A6-5400K, on the other hand, has an age advantage of 1 year, and 46.2% lower power consumption.

The Core i5-2500K is our recommended choice as it beats the A6-5400K in performance tests.


Should you still have questions on choice between Core i5-2500K and A6-5400K, 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
AMD A6-5400K
A6-5400K

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 1789 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
3 163 votes

Rate A6-5400K 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 A6-5400K, agree or disagree with our judgements, or report an error or mismatch.