Ryzen 5 8540U vs Athlon II Neo K345

VS

Aggregate performance score

Athlon II Neo K345
2010
2 cores / 2 threads, 12 Watt
0.33
Ryzen 5 8540U
2023
6 cores / 12 threads, 28 Watt
11.83
+3485%

Ryzen 5 8540U outperforms Athlon II Neo K345 by a whopping 3485% based on our aggregate benchmark results.

Primary details

Comparing Athlon II Neo K345 and Ryzen 5 8540U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3087660
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Athlon II Neono data
Power efficiency2.6039.98
Architecture codenameChamplain (2010−2011)Hawk Point-U (Zen 4 + Zen 4c) (2023)
Release date18 December 2010 (14 years ago)6 December 2023 (1 year ago)

Detailed specifications

Athlon II Neo K345 and Ryzen 5 8540U 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)6 (Hexa-Core)
Threads212
Base clock speedno data3.2 GHz
Boost clock speed1.4 GHz4.9 GHz
Bus rate2000 MHzno data
L1 cache256 KB64 KB (per core)
L2 cache1 MB1 MB (per core)
L3 cacheno data16 MB (shared)
Chip lithography45 nm4 nm
Die sizeno data137 mm2
Maximum core temperatureno data100 °C
Number of transistorsno data20,900 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Athlon II Neo K345 and Ryzen 5 8540U 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 configurationno data1
SocketS1FP7
Power consumption (TDP)12 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II Neo K345 and Ryzen 5 8540U. You'll probably need this information if you require some particular technology.

Instruction set extensionsSSE4A, AMD64, Enhanced Virus Protection, Virtualization, PowerNow, HyperTransport 3.0AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI-+
AVX-+
PowerNow+-
VirusProtect+-
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II Neo K345 and Ryzen 5 8540U are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II Neo K345 and Ryzen 5 8540U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 740M ( - 2800 MHz)

Peripherals

Specifications and connection of peripherals supported by Athlon II Neo K345 and Ryzen 5 8540U.

PCIe versionno data4.0
PCI Express lanesno data14

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.

Athlon II Neo K345 0.33
Ryzen 5 8540U 11.83
+3485%

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.

Athlon II Neo K345 527
Ryzen 5 8540U 18793
+3466%

Gaming performance

Pros & cons summary


Performance score 0.33 11.83
Recency 18 December 2010 6 December 2023
Physical cores 2 6
Threads 2 12
Chip lithography 45 nm 4 nm
Power consumption (TDP) 12 Watt 28 Watt

Athlon II Neo K345 has 133.3% lower power consumption.

Ryzen 5 8540U, on the other hand, has a 3484.8% higher aggregate performance score, an age advantage of 12 years, 200% more physical cores and 500% more threads, and a 1025% more advanced lithography process.

The Ryzen 5 8540U is our recommended choice as it beats the Athlon II Neo K345 in performance tests.


Should you still have questions on choice between Athlon II Neo K345 and Ryzen 5 8540U, ask them in Comments section, and we shall answer.

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AMD Athlon II Neo K345
Athlon II Neo K345
AMD Ryzen 5 8540U
Ryzen 5 8540U

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Community ratings

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