AMD A6-6400K AMD A4-4020
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AMD A6-6400K vs AMD A4-4020

Last updated:

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 1 - 100 %
AMD A6-6400K
Rank 2 - 81 %
AMD A4-4020
Multi-core performance
Rank 1 - 100 %
AMD A6-6400K
Rank 2 - 75 %
AMD A4-4020
Geekbench 5, 64bit Single-Core

Geekbench 5, 64bit Single-Core
Single-core performance

AMD A6-6400K
AMD A6-6400K 100 %
2C / 2T · 4.10 GHz
471
AMD A4-4020
2C / 2T · 3.40 GHz
379
Geekbench 5, 64bit Multi-Core

Geekbench 5, 64bit Multi-Core
Multi-core performance

AMD A6-6400K
AMD A6-6400K 100 %
2C / 2T · 4.10 GHz
723
AMD A4-4020
2C / 2T · 3.40 GHz
560
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

AMD A6-6400K
AMD A6-6400K 100 %
AMD Radeon HD 8470D
307
AMD A4-4020
AMD Radeon HD 7480D
184

More benchmarks

At a glance

Wischen
AMD A6-6400KAMD A4-4020
FamilyAMD A (112)AMD A (112)
CPU groupAMD A6-6000 (3)AMD A4-4000 (2)
ArchitectureRichland (Piledriver)Richland (Piledriver)
Technology32 nm32 nm
SegmentDesktopDesktop
SocketFM2FM2
Predecessor
Successor

CPU Cores and Base Frequency

Wischen
AMD A6-6400KAMD A4-4020
CPU Cores / Threads2 / 22 / 2
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 2x 2x
Frequency: 3.90 GHz 3.20 GHz
Turbo (1 Core): 4.10 GHz 3.40 GHz
Turbo (All Cores): 4.10 GHz 3.40 GHz
L2-Cache
L3-Cache1.00 MB1.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
AMD A6-6400KAMD A4-4020
GPU nameAMD Radeon HD 8470DAMD Radeon HD 7480D
GPU frequency0.80 GHz0.72 GHz
CUs / Shader3 / 1922 / 128
Raytracing
Max. displays22
Max. GPU Memory2 GB2 GB
Technology32 nm32 nm
Release dateQ2/2013Q2/2012

NPU AI performance

Wischen
AMD A6-6400KAMD A4-4020
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
AMD A6-6400KAMD A4-4020
MemoryDDR3-1866 (29.9 GB/s)
DDR3-1333 (21.3 GB/s)
Max. Memory
Memory channels22
ECCNoNo
PCIe
PCIe Bandwidth

Thermal Management

Wischen
AMD A6-6400KAMD A4-4020
TDP65 W65 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

Wischen
AMD A6-6400KAMD A4-4020
Chip designUnknownUnknown
AES-NI
Operating systemsWindows 10, LinuxWindows 10, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
Release dateQ2/2013Q1/2014
Release price55 $32 $
Documents

Your rating

Here you can rate one or both of the processors. The average rating of AMD A6-6400K is 4.5 stars (11 ratings), while AMD A4-4020 has received 1.0 stars (1 ratings).

Click on the stars to rate one or both processors.

AMD A6-6400K
AMD A6-6400K
2C / 2T · 3.90 - 4.10 GHz
AMD A4-4020
AMD A4-4020
2C / 2T · 3.20 - 3.40 GHz

Most popular CPUs in both categories

AMD A6-6400K
AMD A6-6400K
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