AMD A8-3870K vs AMD Phenom II X2 545

Comparative analysis of AMD A8-3870K and AMD Phenom II X2 545 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps).

 

Differences

Reasons to consider the AMD A8-3870K

  • CPU is newer: launch date 2 year(s) 5 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 2 more cores, run more applications at once: 4 vs 2
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
  • 2x 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 2% better performance in PassMark - Single thread mark: 1210 vs 1183
  • Around 91% better performance in PassMark - CPU mark: 2328 vs 1222
  • Around 67% better performance in Geekbench 4 - Multi-Core: 1172 vs 703
Specifications (specs)
Launch date December 2011 vs June 2009
Unlocked Unlocked vs Locked
Number of cores 4 vs 2
Manufacturing process technology 32 nm vs 45 nm
L1 cache 128 KB (per core) vs 128 KB (per core)
L2 cache 1024 KB (per core) vs 512 KB (per core)
Benchmarks
PassMark - Single thread mark 1210 vs 1183
PassMark - CPU mark 2328 vs 1222
Geekbench 4 - Multi-Core 1172 vs 703

Reasons to consider the AMD Phenom II X2 545

  • Around 25% lower typical power consumption: 80 Watt vs 100 Watt
  • Around 6% better performance in Geekbench 4 - Single Core: 395 vs 373
Specifications (specs)
Thermal Design Power (TDP) 80 Watt vs 100 Watt
Benchmarks
Geekbench 4 - Single Core 395 vs 373

Compare benchmarks

CPU 1: AMD A8-3870K
CPU 2: AMD Phenom II X2 545

PassMark - Single thread mark
CPU 1
CPU 2
1210
1183
PassMark - CPU mark
CPU 1
CPU 2
2328
1222
Geekbench 4 - Single Core
CPU 1
CPU 2
373
395
Geekbench 4 - Multi-Core
CPU 1
CPU 2
1172
703
Name AMD A8-3870K AMD Phenom II X2 545
PassMark - Single thread mark 1210 1183
PassMark - CPU mark 2328 1222
Geekbench 4 - Single Core 373 395
Geekbench 4 - Multi-Core 1172 703
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.914
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 9.482
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s) 0.4
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 3.344
GFXBench 4.0 - Car Chase Offscreen (Frames) 762
GFXBench 4.0 - Manhattan (Frames) 1721
GFXBench 4.0 - Car Chase Offscreen (Fps) 762
GFXBench 4.0 - Manhattan (Fps) 1721

Compare specifications (specs)

AMD A8-3870K AMD Phenom II X2 545

Essentials

Architecture codename Llano Callisto
Launch date December 2011 June 2009
Place in performance rating 2549 2557
Vertical segment Desktop Desktop
Launch price (MSRP) $50
Price now $43.98
Value for money (0-100) 12.80

Performance

64 bit support
Die size 228 mm 258 mm
L1 cache 128 KB (per core) 128 KB (per core)
L2 cache 1024 KB (per core) 512 KB (per core)
Manufacturing process technology 32 nm 45 nm
Maximum frequency 3 GHz 3 GHz
Number of cores 4 2
Transistor count 1178 million 758 million
Unlocked
L3 cache 6144 KB (per core)

Memory

Supported memory types DDR3 DDR3

Compatibility

Max number of CPUs in a configuration 1 1
Sockets supported FM1 AM3
Thermal Design Power (TDP) 100 Watt 80 Watt

Virtualization

AMD Virtualization (AMD-V™)