A6-7400K vs i9-11900K

Aggregate performance score

Core i9-11900K
2021
8 cores / 16 threads, 125 Watt
15.86
+1440%
A6-7400K
2014
2 cores / 2 threads, 65 Watt
1.03

Core i9-11900K outperforms A6-7400K by a whopping 1440% based on our aggregate benchmark results.

Primary details

Comparing Core i9-11900K and A6-7400K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4292453
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation18.91no data
Market segmentDesktop processorDesktop processor
Power efficiency12.001.50
Architecture codenameRocket Lake (2021)Kaveri (2014−2015)
Release date16 March 2021 (3 years ago)31 July 2014 (10 years ago)
Launch price (MSRP)$539no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-11900K and A6-7400K 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 cores8 (Octa-Core)2 (Dual-core)
Threads162
Base clock speed3.5 GHz3.5 GHz
Boost clock speed5.2 GHz3.9 GHz
Bus rate8 GT/sno data
L1 cache80 KB (per core)128 KB
L2 cache512 KB (per core)1024 KB
L3 cache16 MB (shared)no data
Chip lithography14 nm28 nm
Die size276 mm2245 mm2
Maximum core temperature100 °C70 °C
Maximum case temperature (TCase)72 °C72 °C
Number of transistorsno data2,411 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier++

Compatibility

Information on Core i9-11900K and A6-7400K 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
SocketFCLGA1200FM2+
Power consumption (TDP)125 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900K and A6-7400K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI++
FMA-+
AVX++
FRTC-+
FreeSync-+
TrueAudio-+
PowerNow-+
PowerGating-+
Out-of-band client management-+
VirusProtect-+
HSA-+
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
SIPP+-
Turbo Boost Max 3.0+no data
Deep Learning Boost+-

Security technologies

Core i9-11900K and A6-7400K technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
Identity Protection+-
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-11900K and A6-7400K are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data
IOMMU 2.0-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-11900K and A6-7400K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3-1866
Maximum memory size128 GBno data
Max memory channels22
Maximum memory bandwidth50 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 750AMD Radeon R5 Graphics
iGPU core countno data4
จำนวนพาธไลน์no data256
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Enduro-+
Switchable graphics-+
UVD-+
VCE-+
Graphics max frequency1.3 GHzno data
Execution Units32no data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i9-11900K and A6-7400K integrated GPUs.

Number of displays supported3no data
DisplayPort-+
HDMI-+

Graphics image quality

Maximum display resolutions supported by Core i9-11900K and A6-7400K integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@60Hzno data
Max resolution over eDP5120 x 3200 @60Hzno data
Max resolution over DisplayPort5120 x 3200 @60Hzno data

Graphics API support

APIs supported by Core i9-11900K and A6-7400K integrated GPUs, sometimes API versions are included.

DirectX12.1DirectX® 12
OpenGL4.5no data
Vulkan-+

Peripherals

Specifications and connection of peripherals supported by Core i9-11900K and A6-7400K.

PCIe version4.03.0
PCI Express lanes2016

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.

i9-11900K 15.86
+1440%
A6-7400K 1.03

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.

i9-11900K 25191
+1436%
A6-7400K 1640

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.

i9-11900K 2391
+501%
A6-7400K 398

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.

i9-11900K 10979
+1861%
A6-7400K 560

Gaming performance

Pros & cons summary


Performance score 15.86 1.03
Recency 16 March 2021 31 July 2014
Physical cores 8 2
Threads 16 2
Chip lithography 14 nm 28 nm
Power consumption (TDP) 125 Watt 65 Watt

i9-11900K has a 1439.8% higher aggregate performance score, an age advantage of 6 years, 300% more physical cores and 700% more threads, and a 100% more advanced lithography process.

A6-7400K, on the other hand, has 92.3% lower power consumption.

The Core i9-11900K is our recommended choice as it beats the A6-7400K in performance tests.


Should you still have questions on choice between Core i9-11900K and A6-7400K, ask them in Comments section, and we shall answer.

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Intel Core i9-11900K
Core i9-11900K
AMD A6-7400K
A6-7400K

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Community ratings

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Questions & comments

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