AMD A6-6420B vs AMD Athlon II X4 638

Comparative analysis of AMD A6-6420B and AMD Athlon II X4 638 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the AMD A6-6420B

  • Around 56% higher clock speed: 4.2 GHz vs 2.7 GHz
  • Around 40% better performance in PassMark - Single thread mark: 1629 vs 1163
Specifications (specs)
Maximum frequency 4.2 GHz vs 2.7 GHz
Benchmarks
PassMark - Single thread mark 1629 vs 1163

Reasons to consider the AMD Athlon II X4 638

  • 2 more cores, run more applications at once: 4 vs 2
  • 2 more threads: 4 vs 2
  • Around 0% higher maximum core temperature: 70.10°C vs 70°C
  • 5.3x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 4x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 45% better performance in PassMark - CPU mark: 2250 vs 1550
Specifications (specs)
Number of cores 4 vs 2
Number of threads 4 vs 2
Maximum core temperature 70.10°C vs 70°C
L1 cache 512 KB vs 96 KB
L2 cache 4 MB vs 1 MB
Benchmarks
PassMark - CPU mark 2250 vs 1550

Compare benchmarks

CPU 1: AMD A6-6420B
CPU 2: AMD Athlon II X4 638

PassMark - Single thread mark
CPU 1
CPU 2
1629
1163
PassMark - CPU mark
CPU 1
CPU 2
1550
2250
Name AMD A6-6420B AMD Athlon II X4 638
PassMark - Single thread mark 1629 1163
PassMark - CPU mark 1550 2250
Geekbench 4 - Single Core 1654
Geekbench 4 - Multi-Core 4651

Compare specifications (specs)

AMD A6-6420B AMD Athlon II X4 638

Essentials

Family AMD A-Series Processors AMD Athlon Processors
OPN Tray AD642BOKA23HL AD638XOJZ43GX
Place in performance rating 1623 1618
Series AMD Business Class - Dual-Core A6-Series APU for Desktops AMD Athlon II X4
Vertical segment Desktop Desktop
Architecture codename Llano
Launch date February 2012
OPN PIB AD638XOJGXBOX
Price now $26.49
Value for money (0-100) 35.55

Performance

Base frequency 4 GHz 2.7 GHz
L1 cache 96 KB 512 KB
L2 cache 1 MB 4 MB
Manufacturing process technology 32 nm SOI 32 nm
Maximum core temperature 70°C 70.10°C
Maximum frequency 4.2 GHz 2.7 GHz
Number of cores 2 4
Number of threads 2 4
Unlocked
64 bit support
Die size 228 mm
Transistor count 1178 million

Memory

Max memory channels 2
Supported memory frequency 1866 MHz
Supported memory types DDR3

Graphics

Enduro
Graphics max frequency 800 MHz
iGPU core count 192
Processor graphics AMD Radeon HD 8470D
Switchable graphics
Unified Video Decoder (UVD)
Video Codec Engine (VCE)

Graphics interfaces

DisplayPort
HDMI

Graphics API support

DirectX 11

Compatibility

Sockets supported FM2 FM1 uPGA
Thermal Design Power (TDP) 65 Watt 65 Watt
Max number of CPUs in a configuration 1

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