AMD A6-6400B vs AMD A6-6420B

Comparative analysis of AMD A6-6400B and AMD A6-6420B processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics API support, Compatibility, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD A6-6400B

AMD A6-6420B

Differences

Reasons to consider the AMD A6-6400B

Around 4% better performance in PassMark - CPU mark: 1616 vs 1550

Benchmarks
PassMark - CPU mark	1616 vs 1550

Reasons to consider the AMD A6-6420B

Around 2% higher clock speed: 4.2 GHz vs 4.1 GHz
Around 1% better performance in PassMark - Single thread mark: 1629 vs 1608

Specifications (specs)
Maximum frequency	4.2 GHz vs 4.1 GHz
Benchmarks
PassMark - Single thread mark	1629 vs 1608

Compare benchmarks

CPU 1: AMD A6-6400B
CPU 2: AMD A6-6420B

PassMark - Single thread mark

CPU 1

CPU 2

1608

1629

PassMark - CPU mark

CPU 1

CPU 2

1616

1550

Name	AMD A6-6400B	AMD A6-6420B
PassMark - Single thread mark	1608	1629
PassMark - CPU mark	1616	1550

Compare specifications (specs)

	AMD A6-6400B	AMD A6-6420B
Essentials
Family	AMD A-Series Processors	AMD A-Series Processors
OPN Tray	AD640BOKA23HL	AD642BOKA23HL
Place in performance rating	1636	1623
Series	AMD Business Class - Dual-Core A6-Series APU for Desktops	AMD Business Class - Dual-Core A6-Series APU for Desktops
Vertical segment	Desktop	Desktop
Performance
Base frequency	3.9 GHz	4 GHz
L1 cache	96 KB	96 KB
L2 cache	1 MB	1 MB
Manufacturing process technology	32 nm SOI	32 nm SOI
Maximum core temperature	70°C	70°C
Maximum frequency	4.1 GHz	4.2 GHz
Number of cores	2	2
Number of threads	2	2
Unlocked
Memory
Max memory channels	2	2
Supported memory frequency	1866 MHz	1866 MHz
Graphics
Enduro
Graphics max frequency	800 MHz	800 MHz
iGPU core count	192	192
Processor graphics	AMD Radeon HD 8470D	AMD Radeon HD 8470D
Switchable graphics
Unified Video Decoder (UVD)
Video Codec Engine (VCE)
Graphics interfaces
DisplayPort
HDMI
Graphics API support
DirectX	11	11
Compatibility
Sockets supported	FM2	FM2
Thermal Design Power (TDP)	65 Watt	65 Watt
Advanced Technologies
AMD App Acceleration
AMD Elite Experiences
AMD HD3D technology
Enhanced Virus Protection (EVP)
Fused Multiply-Add 4 (FMA4)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
PowerGating
PowerNow
RAID
Virtualization
AMD Virtualization (AMD-V™)
IOMMU 2.0