Ryzen 5 2500X vs A6-6400K

VS

Aggregate performance score

A6-6400K
2013
2 cores / 2 threads, 65 Watt
0.95
Ryzen 5 2500X
2018
4 cores / 8 threads, 65 Watt
5.96
+527%

Ryzen 5 2500X outperforms A6-6400K by a whopping 527% based on our aggregate benchmark results.

Primary details

Comparing A6-6400K and Ryzen 5 2500X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking25191109
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesAMD A-Series (Desktop)AMD Ryzen 5
Power efficiency1.388.68
Architecture codenameRichland (2013−2014)Zen+ (2018−2019)
Release date1 June 2013 (11 years ago)1 October 2018 (6 years ago)

Detailed specifications

A6-6400K and Ryzen 5 2500X 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 cores2 (Dual-core)4 (Quad-Core)
Threads28
Base clock speed3.9 GHz3.6 GHz
Boost clock speed4.1 GHz4 GHz
Bus rateno data4 × 8 GT/s
Multiplierno data36
L1 cache96 KB96K (per core)
L2 cache1024 KB512K (per core)
L3 cache0 KB16 MB (shared)
Chip lithography32 nm12 nm
Die size246 mm2192 mm2
Maximum core temperature70 °Cno data
Maximum case temperature (TCase)70 °Cno data
Number of transistors1,178 million4,800 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on A6-6400K and Ryzen 5 2500X 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 (Uniprocessor)
SocketFM2AM4
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-6400K and Ryzen 5 2500X. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0no data
AES-NI++
FMAFMA4-
AVX++
PowerNow+-
PowerGating+-
VirusProtect+-
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-6400K and Ryzen 5 2500X are enumerated here.

AMD-V++
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-6400K and Ryzen 5 2500X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR4 Dual-channel
Maximum memory sizeno data64 GB
Max memory channels22
Maximum memory bandwidthno data46.933 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon HD 8470D-
จำนวนพาธไลน์192-
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A6-6400K and Ryzen 5 2500X integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A6-6400K and Ryzen 5 2500X integrated GPUs, sometimes API versions are included.

DirectXDirectX® 11-

Peripherals

Specifications and connection of peripherals supported by A6-6400K and Ryzen 5 2500X.

PCIe version2.03.0
PCI Express lanesno data20

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.

A6-6400K 0.95
Ryzen 5 2500X 5.96
+527%

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.

A6-6400K 1502
Ryzen 5 2500X 9467
+530%

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.

A6-6400K 410
Ryzen 5 2500X 1126
+175%

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.

A6-6400K 576
Ryzen 5 2500X 3813
+562%

Gaming performance

Pros & cons summary


Performance score 0.95 5.96
Recency 1 June 2013 1 October 2018
Physical cores 2 4
Threads 2 8
Chip lithography 32 nm 12 nm

Ryzen 5 2500X has a 527.4% higher aggregate performance score, an age advantage of 5 years, 100% more physical cores and 300% more threads, and a 166.7% more advanced lithography process.

The Ryzen 5 2500X is our recommended choice as it beats the A6-6400K in performance tests.


Should you still have questions on choice between A6-6400K and Ryzen 5 2500X, 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.


AMD A6-6400K
A6-6400K
AMD Ryzen 5 2500X
Ryzen 5 2500X

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.


3.1 171 vote

Rate A6-6400K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 162 votes

Rate Ryzen 5 2500X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about A6-6400K or Ryzen 5 2500X, agree or disagree with our judgements, or report an error or mismatch.