AMD A6-6400K vs AMD Phenom II X2 550

Comparative analysis of AMD A6-6400K and AMD Phenom II X2 550 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics API support, Compatibility, Peripherals, Advanced Technologies, 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 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the AMD A6-6400K

  • CPU is newer: launch date 3 year(s) 7 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 32% higher clock speed: 4.1 GHz vs 3.1 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm SOI vs 45 nm
  • Around 23% lower typical power consumption: 65 Watt vs 80 Watt
  • Around 17% better performance in PassMark - Single thread mark: 1444 vs 1233
  • Around 29% better performance in PassMark - CPU mark: 1504 vs 1167
Specifications (specs)
Launch date 4 June 2013 vs November 2009
Unlocked Unlocked vs Locked
Maximum frequency 4.1 GHz vs 3.1 GHz
Manufacturing process technology 32 nm SOI vs 45 nm
Thermal Design Power (TDP) 65 Watt vs 80 Watt
Benchmarks
PassMark - Single thread mark 1444 vs 1233
PassMark - CPU mark 1504 vs 1167

Reasons to consider the AMD Phenom II X2 550

  • 2.7x more L1 cache, more data can be stored in the L1 cache for quick access later
L1 cache 128 KB (per core) vs 96 KB

Compare benchmarks

CPU 1: AMD A6-6400K
CPU 2: AMD Phenom II X2 550

PassMark - Single thread mark
CPU 1
CPU 2
1444
1233
PassMark - CPU mark
CPU 1
CPU 2
1504
1167
Name AMD A6-6400K AMD Phenom II X2 550
PassMark - Single thread mark 1444 1233
PassMark - CPU mark 1504 1167
Geekbench 4 - Single Core 479
Geekbench 4 - Multi-Core 737
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.027
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 3.797
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.109
CompuBench 1.5 Desktop - Video Composition (Frames/s) 9.883
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 1.666
GFXBench 4.0 - Car Chase Offscreen (Frames) 643
GFXBench 4.0 - Manhattan (Frames) 1741
GFXBench 4.0 - T-Rex (Frames) 3943
GFXBench 4.0 - Car Chase Offscreen (Fps) 643
GFXBench 4.0 - Manhattan (Fps) 1741
GFXBench 4.0 - T-Rex (Fps) 3943

Compare specifications (specs)

AMD A6-6400K AMD Phenom II X2 550

Essentials

Architecture codename Richland Callisto
Family AMD A-Series Processors
Launch date 4 June 2013 November 2009
OPN PIB AD640KOKHLBOX
OPN Tray AD640KOKA23HL
Place in performance rating 2061 2043
Series AMD A6-Series APU for Desktops
Vertical segment Desktop Desktop
Launch price (MSRP) $133
Price now $49.99
Value for money (0-100) 11.92

Performance

64 bit support
Base frequency 3.9 GHz
Die size 246 mm 258 mm
L1 cache 96 KB 128 KB (per core)
L2 cache 1 MB 512 KB (per core)
Manufacturing process technology 32 nm SOI 45 nm
Maximum case temperature (TCase) 70 °C
Maximum core temperature 70°C
Maximum frequency 4.1 GHz 3.1 GHz
Number of cores 2 2
Number of threads 2
Transistor count 1303 Million 758 million
Unlocked
L3 cache 6144 KB (shared)

Memory

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

Graphics

Enduro
Graphics max frequency 800 MHz
iGPU core count 192
Number of pipelines 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

Max number of CPUs in a configuration 1 1
Sockets supported FM2 AM3
Thermal Design Power (TDP) 65 Watt 80 Watt

Peripherals

PCI Express revision 2.0

Advanced Technologies

AMD App Acceleration
AMD Elite Experiences
AMD HD3D technology
Enhanced Virus Protection (EVP)
Fused Multiply-Add (FMA)
Fused Multiply-Add 4 (FMA4)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
PowerGating
PowerNow
VirusProtect

Virtualization

AMD Virtualization (AMD-V™)
IOMMU 2.0