AMD Athlon X4 850 vs AMD A6-6420B

Comparative analysis of AMD Athlon X4 850 and AMD A6-6420B processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Graphics, Graphics interfaces, Graphics API support, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD Athlon X4 850

AMD A6-6420B

Differences

Reasons to consider the AMD Athlon X4 850

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
2 more threads: 4 vs 2
Around 29% higher maximum core temperature: 90°C vs 70°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 28 nm vs 32 nm SOI
2.7x more L1 cache, more data can be stored in the L1 cache for quick access later
2.2x better performance in PassMark - CPU mark: 3366 vs 1550

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
Number of threads	4 vs 2
Maximum core temperature	90°C vs 70°C
Manufacturing process technology	28 nm vs 32 nm SOI
L1 cache	256K vs 96 KB
Benchmarks
PassMark - CPU mark	3366 vs 1550

Reasons to consider the AMD A6-6420B

Around 8% higher clock speed: 4.2 GHz vs 3.9 GHz
262144x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 3% better performance in PassMark - Single thread mark: 1629 vs 1575

Specifications (specs)
Maximum frequency	4.2 GHz vs 3.9 GHz
L2 cache	1 MB vs 4MB
Benchmarks
PassMark - Single thread mark	1629 vs 1575

Compare benchmarks

CPU 1: AMD Athlon X4 850
CPU 2: AMD A6-6420B

PassMark - Single thread mark

CPU 1

CPU 2

1575

1629

PassMark - CPU mark

CPU 1

CPU 2

3366

1550

Name	AMD Athlon X4 850	AMD A6-6420B
PassMark - Single thread mark	1575	1629
PassMark - CPU mark	3366	1550

Compare specifications (specs)

	AMD Athlon X4 850	AMD A6-6420B
Essentials
Architecture codename	Godaveri
Launch date	Jul 2015
Place in performance rating	1621	1623
Family		AMD A-Series Processors
OPN Tray		AD642BOKA23HL
Series		AMD Business Class - Dual-Core A6-Series APU for Desktops
Vertical segment		Desktop
Performance
Base frequency	3.2 GHz	4 GHz
Die size	245 mm²
L1 cache	256K	96 KB
L2 cache	4MB	1 MB
Manufacturing process technology	28 nm	32 nm SOI
Maximum core temperature	90°C	70°C
Maximum frequency	3.9 GHz	4.2 GHz
Number of cores	4	2
Number of threads	4	2
Transistor count	2,411 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR3-2133 MHz, Dual-channel
Max memory channels		2
Supported memory frequency		1866 MHz
Compatibility
Max number of CPUs in a configuration	1
Sockets supported	FM2+	FM2
Thermal Design Power (TDP)	65 Watt	65 Watt
Peripherals
PCIe configurations	Gen 3, 16 Lanes, (CPU only)
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
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