Athlon II X4 620e vs A6-5400K

Place in the ranking	2600	1995
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Power efficiency	1.16	3.85
Architecture codename	Trinity (2012−2013)	Propus (2009−2011)
Release date	2 October 2012 (12 years ago)	3 May 2011 (13 years ago)

Detailed specifications

A6-5400K and Athlon II X4 620e basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	4 (Quad-Core)
Threads	2	4
Base clock speed	3.6 GHz	2.6 GHz
Boost clock speed	3.8 GHz	2.6 GHz
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	1 MB (per core)	512 KB (per core)
L3 cache	0 KB	0 KB
Chip lithography	32 nm	45 nm
Die size	246 mm²	169 mm²
Maximum case temperature (TCase)	70 °C	no data
Number of transistors	1,178 million	300 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on A6-5400K and Athlon II X4 620e compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	FM2	AM3
Power consumption (TDP)	65 Watt	45 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by A6-5400K and Athlon II X4 620e are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-5400K and Athlon II X4 620e. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Radeon HD 7540D

no data

Peripherals

Specifications and connection of peripherals supported by A6-5400K and Athlon II X4 620e.

PCIe version

no data

2.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

A6-5400K 0.80

Athlon II X4 620e 1.83
+129%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

A6-5400K 1275

Athlon II X4 620e 2906
+128%

Gaming performance

Pros & cons summary

Performance score	0.80	1.83
Recency	2 October 2012	3 May 2011
Physical cores	2	4
Threads	2	4
Chip lithography	32 nm	45 nm
Power consumption (TDP)	65 Watt	45 Watt

A6-5400K has an age advantage of 1 year, and a 40.6% more advanced lithography process.

Athlon II X4 620e, on the other hand, has a 128.8% higher aggregate performance score, 100% more physical cores and 100% more threads, and 44.4% lower power consumption.

The Athlon II X4 620e is our recommended choice as it beats the A6-5400K in performance tests.

Should you still have questions on choice between A6-5400K and Athlon II X4 620e, ask them in Comments section, and we shall answer.