Ryzen 5 7520U vs A8-3870K

VS

Aggregate performance score

A8-3870K
2011
4 cores / 4 threads, 100 Watt
1.47
Ryzen 5 7520U
2022
4 cores / 8 threads, 15 Watt
5.81
+295%

Ryzen 5 7520U outperforms A8-3870K by a whopping 295% based on our aggregate benchmark results.

Primary details

Comparing A8-3870K and Ryzen 5 7520U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21601116
Place by popularitynot in top-10027
Market segmentDesktop processorLaptop
Seriesno dataMendocino (Zen 2, Ryzen 7020)
Power efficiency1.3936.50
Architecture codenameLlano (2011−2012)Mendocino-U (Zen 2) (2022)
Release date20 December 2011 (12 years ago)20 September 2022 (2 years ago)

Detailed specifications

A8-3870K and Ryzen 5 7520U 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 cores4 (Quad-Core)4 (Quad-Core)
Threads48
Base clock speed3 GHz2.8 GHz
Boost clock speed3 GHz4.3 GHz
L1 cache128 KB (per core)64 KB (per core)
L2 cache1 MB (per core)512 KB (per core)
L3 cache0 KB4 MB (shared)
Chip lithography32 nm6 nm
Die size228 mm2100 mm2
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on A8-3870K and Ryzen 5 7520U 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
SocketFM1FP6
Power consumption (TDP)100 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-3870K and Ryzen 5 7520U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-3870K and Ryzen 5 7520U are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-3870K and Ryzen 5 7520U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon HD 6550DAMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by A8-3870K and Ryzen 5 7520U.

PCIe versionno data3.0
PCI Express lanesno data4

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.

A8-3870K 1.47
Ryzen 5 7520U 5.81
+295%

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.

A8-3870K 2328
Ryzen 5 7520U 9194
+295%

Gaming performance

Pros & cons summary


Performance score 1.47 5.81
Integrated graphics card 1.04 2.85
Recency 20 December 2011 20 September 2022
Threads 4 8
Chip lithography 32 nm 6 nm
Power consumption (TDP) 100 Watt 15 Watt

Ryzen 5 7520U has a 295.2% higher aggregate performance score, 174% faster integrated GPU, an age advantage of 10 years, 100% more threads, a 433.3% more advanced lithography process, and 566.7% lower power consumption.

The Ryzen 5 7520U is our recommended choice as it beats the A8-3870K in performance tests.

Note that A8-3870K is a desktop processor while Ryzen 5 7520U is a notebook one.


Should you still have questions on choice between A8-3870K and Ryzen 5 7520U, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD A8-3870K
A8-3870K
AMD Ryzen 5 7520U
Ryzen 5 7520U

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Community ratings

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Questions & comments

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