A6-4455M vs A6-5400K

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Aggregate performance score

A6-5400K
2012
2 cores / 2 threads, 65 Watt
0.82
+60.8%
A6-4455M
2012
2 cores / 2 threads, 17 Watt
0.51

A6-5400K outperforms A6-4455M by an impressive 61% based on our aggregate benchmark results.

Primary details

Comparing A6-5400K and A6-4455M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking25972877
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD A-Series
Power efficiency1.172.79
Architecture codenameTrinity (2012−2013)Trinity (2012−2013)
Release date2 October 2012 (12 years ago)15 May 2012 (12 years ago)

Detailed specifications

A6-5400K and A6-4455M 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 cores2 (Dual-core)2 (Dual-core)
Threads22
Base clock speed3.6 GHz2.1 GHz
Boost clock speed3.8 GHz2.6 GHz
L1 cache128 KB (per core)92 KB
L2 cache1 MB (per core)2 MB (shared)
L3 cache0 KB0 KB
Chip lithography32 nm32 nm
Die size246 mm2246 mm2
Maximum case temperature (TCase)70 °C100 °C
Number of transistors1,178 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on A6-5400K and A6-4455M 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 configuration11
SocketFM2FP2
Power consumption (TDP)65 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-5400K and A6-4455M. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA
AES-NI-+
FMA-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-5400K and A6-4455M are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-5400K and A6-4455M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3unknown Dual-channel

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardRadeon HD 7540DAMD Radeon HD 7500G

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 0.82
+60.8%
A6-4455M 0.51

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
+60.8%
A6-4455M 793

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.

A6-5400K 381
+69.3%
A6-4455M 225

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.

A6-5400K 512
+66.8%
A6-4455M 307

Gaming performance

Pros & cons summary


Performance score 0.82 0.51
Recency 2 October 2012 15 May 2012
Power consumption (TDP) 65 Watt 17 Watt

A6-5400K has a 60.8% higher aggregate performance score, and an age advantage of 4 months.

A6-4455M, on the other hand, has 282.4% lower power consumption.

The A6-5400K is our recommended choice as it beats the A6-4455M in performance tests.

Note that A6-5400K is a desktop processor while A6-4455M is a notebook one.


Should you still have questions on choice between A6-5400K and A6-4455M, ask them in Comments section, and we shall answer.

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AMD A6-5400K
A6-5400K
AMD A6-4455M
A6-4455M

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about A6-5400K or A6-4455M, agree or disagree with our judgements, or report an error or mismatch.