AMD A6-6400K vs AMD Phenom X3 8550

Comparative analysis of AMD A6-6400K and AMD Phenom X3 8550 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).

AMD A6-6400K

AMD Phenom X3 8550

Differences

Reasons to consider the AMD A6-6400K

CPU is newer: launch date 5 year(s) 2 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 86% higher clock speed: 4.1 GHz vs 2.2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm SOI vs 65 nm
Around 46% lower typical power consumption: 65 Watt vs 95 Watt
Around 74% better performance in PassMark - Single thread mark: 1449 vs 835
Around 39% better performance in PassMark - CPU mark: 1501 vs 1079

Specifications (specs)
Launch date	4 June 2013 vs April 2008
Unlocked	Unlocked vs Locked
Maximum frequency	4.1 GHz vs 2.2 GHz
Manufacturing process technology	32 nm SOI vs 65 nm
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	1449 vs 835
PassMark - CPU mark	1501 vs 1079

Reasons to consider the AMD Phenom X3 8550

1 more cores, run more applications at once: 3 vs 2
4x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
2.8x better performance in Geekbench 4 - Single Core: 1361 vs 479
4.3x better performance in Geekbench 4 - Multi-Core: 3171 vs 737

Specifications (specs)
Number of cores	3 vs 2
L1 cache	128 KB (per core) vs 96 KB
L2 cache	512 KB (per core) vs 1 MB
Benchmarks
Geekbench 4 - Single Core	1361 vs 479
Geekbench 4 - Multi-Core	3171 vs 737

Compare benchmarks

CPU 1: AMD A6-6400K
CPU 2: AMD Phenom X3 8550

PassMark - Single thread mark

CPU 1

CPU 2

1449

835

PassMark - CPU mark

CPU 1

CPU 2

1501

1079

Geekbench 4 - Single Core

CPU 1

CPU 2

479

1361

Geekbench 4 - Multi-Core

CPU 1

CPU 2

737

3171

Name	AMD A6-6400K	AMD Phenom X3 8550
PassMark - Single thread mark	1449	835
PassMark - CPU mark	1501	1079
Geekbench 4 - Single Core	479	1361
Geekbench 4 - Multi-Core	737	3171
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 X3 8550
Essentials
Architecture codename	Richland	Toliman
Family	AMD A-Series Processors
Launch date	4 June 2013	April 2008
OPN PIB	AD640KOKHLBOX
OPN Tray	AD640KOKA23HL
Place in performance rating	2059	2043
Series	AMD A6-Series APU for Desktops
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$170
Price now		$169.95
Value for money (0-100)		3.33
Performance
64 bit support
Base frequency	3.9 GHz
Die size	246 mm	285 mm
L1 cache	96 KB	128 KB (per core)
L2 cache	1 MB	512 KB (per core)
Manufacturing process technology	32 nm SOI	65 nm
Maximum case temperature (TCase)	70 °C
Maximum core temperature	70°C
Maximum frequency	4.1 GHz	2.2 GHz
Number of cores	2	3
Number of threads	2
Transistor count	1303 Million	450 million
Unlocked
L3 cache		2048 KB (shared)
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
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	AM2+
Thermal Design Power (TDP)	65 Watt	95 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