A4-3400 vs A4-3420

Place in performance ranking	2593	2578
Place by popularity	not in top-100	not in top-100
Value for money	5.78	5.85
Market segment	Desktop processor	Desktop processor
Architecture codename	Llano (2011−2012)	Llano (2011−2012)
Release date	20 December 2011 (12 years ago)	7 September 2011 (12 years ago)
Current price	$18.27	$27

Value for money

Performance per price, higher is better.

A4-3400 has 1% better value for money than A4-3420.

Technical specs

A4-3420 and A4-3400 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)	2 (Dual-core)
Threads	2	2
Base clock speed	2.8 GHz	2.7 GHz
Boost clock speed	2.8 GHz	2.7 GHz
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
L3 cache	0 KB	0 KB
Chip lithography	32 nm	32 nm
Die size	228 mm²	228 mm²
Number of transistors	1,178 million	1,178 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on A4-3420 and A4-3400 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	FM1	FM1
Power consumption (TDP)	65 Watt	65 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by A4-3420 and A4-3400 are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by A4-3420 and A4-3400. 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 6410D

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.

A4-3420 0.68

A4-3400 0.70
+2.9%

A4-3400 outperforms A4-3420 by 3% based on our aggregated benchmark results.

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.

Benchmark coverage: 68%

A4-3420 1054

A4-3400 1081
+2.6%

A4-3400 outperforms A4-3420 by 3% in Passmark.

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Benchmark coverage: 42%

A4-3420 294

A4-3400 294

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Benchmark coverage: 42%

A4-3420 500

A4-3400 513
+2.6%

A4-3400 outperforms A4-3420 by 3% in GeekBench 5 Multi-Core.