AMD A6-6400B vs AMD Phenom II X2 B53

Comparative analysis of AMD A6-6400B and AMD Phenom II X2 B53 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics API support, Compatibility, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD A6-6400B

AMD Phenom II X2 B53

Differences

Reasons to consider the AMD A6-6400B

Around 46% higher clock speed: 4.1 GHz vs 2.8 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 39% better performance in PassMark - Single thread mark: 1608 vs 1161
Around 42% better performance in PassMark - CPU mark: 1616 vs 1137

Specifications (specs)
Maximum frequency	4.1 GHz vs 2.8 GHz
Manufacturing process technology	32 nm SOI vs 45 nm
Thermal Design Power (TDP)	65 Watt vs 80 Watt
Benchmarks
PassMark - Single thread mark	1608 vs 1161
PassMark - CPU mark	1616 vs 1137

Reasons to consider the AMD Phenom II X2 B53

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 A6-6400B
CPU 2: AMD Phenom II X2 B53

PassMark - Single thread mark

CPU 1

CPU 2

1608

1161

PassMark - CPU mark

CPU 1

CPU 2

1616

1137

Name	AMD A6-6400B	AMD Phenom II X2 B53
PassMark - Single thread mark	1608	1161
PassMark - CPU mark	1616	1137
Geekbench 4 - Single Core		1865
Geekbench 4 - Multi-Core		3215

Compare specifications (specs)

	AMD A6-6400B	AMD Phenom II X2 B53
Essentials
Family	AMD A-Series Processors
OPN Tray	AD640BOKA23HL
Place in performance rating	1636	1633
Series	AMD Business Class - Dual-Core A6-Series APU for Desktops
Vertical segment	Desktop	Desktop
Architecture codename		Callisto
Launch date		October 2009
Performance
Base frequency	3.9 GHz
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 core temperature	70°C
Maximum frequency	4.1 GHz	2.8 GHz
Number of cores	2	2
Number of threads	2
Unlocked
64 bit support
Die size		258 mm
L3 cache		6144 KB (shared)
Transistor count		758 million
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
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
Sockets supported	FM2	AM3
Thermal Design Power (TDP)	65 Watt	80 Watt
Max number of CPUs in a configuration		1
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