AMD FX-8140 vs AMD A8-3820

Comparative analysis of AMD FX-8140 and AMD A8-3820 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps).

 

Differences

Reasons to consider the AMD FX-8140

  • CPU is newer: launch date 10 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 4 more cores, run more applications at once: 8 vs 4
  • Around 28% higher clock speed: 3.2 GHz vs 2.5 GHz
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 13% better performance in PassMark - Single thread mark: 1273 vs 1131
  • 2.2x better performance in PassMark - CPU mark: 4860 vs 2174
Specifications (specs)
Launch date October 2012 vs December 2011
Unlocked Unlocked vs Locked
Number of cores 8 vs 4
Maximum frequency 3.2 GHz vs 2.5 GHz
L2 cache 8192 KB vs 1024 KB (per core)
Benchmarks
PassMark - Single thread mark 1273 vs 1131
PassMark - CPU mark 4860 vs 2174

Reasons to consider the AMD A8-3820

  • Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 46% lower typical power consumption: 65 Watt vs 95 Watt
L1 cache 128 KB (per core) vs 384 KB
Thermal Design Power (TDP) 65 Watt vs 95 Watt

Compare benchmarks

CPU 1: AMD FX-8140
CPU 2: AMD A8-3820

PassMark - Single thread mark
CPU 1
CPU 2
1273
1131
PassMark - CPU mark
CPU 1
CPU 2
4860
2174
Name AMD FX-8140 AMD A8-3820
PassMark - Single thread mark 1273 1131
PassMark - CPU mark 4860 2174
Geekbench 4 - Single Core 1647
Geekbench 4 - Multi-Core 4806
GFXBench 4.0 - Car Chase Offscreen (Frames) 893
GFXBench 4.0 - Car Chase Offscreen (Fps) 893

Compare specifications (specs)

AMD FX-8140 AMD A8-3820

Essentials

Architecture codename Zambezi Llano
Launch date October 2012 December 2011
Place in performance rating 1872 1860
Vertical segment Desktop Desktop

Performance

64 bit support
Die size 315 mm 228 mm
L1 cache 384 KB 128 KB (per core)
L2 cache 8192 KB 1024 KB (per core)
L3 cache 8192 KB (shared)
Manufacturing process technology 32 nm 32 nm
Maximum frequency 3.2 GHz 2.5 GHz
Number of cores 8 4
Transistor count 1200 million 1178 million
Unlocked

Memory

Supported memory types DDR3 DDR3

Compatibility

Max number of CPUs in a configuration 1 1
Sockets supported AM3+ FM1
Thermal Design Power (TDP) 95 Watt 65 Watt

Advanced Technologies

Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions

Virtualization

AMD Virtualization (AMD-V™)