Ryzen 7 2700X vs A8-3870K

VS

Aggregate performance score

A8-3870K
2011
4 cores / 4 threads, 100 Watt
1.47
Ryzen 7 2700X
2018
8 cores / 16 threads, 105 Watt
11.03
+650%

Ryzen 7 2700X outperforms A8-3870K by a whopping 650% based on our aggregate benchmark results.

Primary details

Comparing A8-3870K and Ryzen 7 2700X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2160699
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data9.04
Market segmentDesktop processorDesktop processor
Seriesno dataAMD Ryzen 7
Power efficiency1.399.94
Architecture codenameLlano (2011−2012)Zen+ (2018−2019)
Release date20 December 2011 (12 years ago)19 April 2018 (6 years ago)
Launch price (MSRP)no data$329

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

A8-3870K and Ryzen 7 2700X 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)8 (Octa-Core)
Threads416
Base clock speed3 GHz3.7 GHz
Boost clock speed3 GHz4.35 GHz
Bus rateno data4 × 8 GT/s
Multiplierno data37
L1 cache128 KB (per core)96K (per core)
L2 cache1 MB (per core)512K (per core)
L3 cache0 KB16 MB (shared)
Chip lithography32 nm12 nm
Die size228 mm2192 mm2
Number of transistors1,178 million4,800 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on A8-3870K and Ryzen 7 2700X 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 (Uniprocessor)
SocketFM1AM4
Power consumption (TDP)100 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-3870K and Ryzen 7 2700X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataSSE4.2, SSE4A, AMD-V, AES, AVX2, FMA3, SHA
AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-3870K and Ryzen 7 2700X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-3870K and Ryzen 7 2700X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4 Dual-channel
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data46.933 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon HD 6550D-

Peripherals

Specifications and connection of peripherals supported by A8-3870K and Ryzen 7 2700X.

PCIe versionno data3.0
PCI Express lanesno data20

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 7 2700X 11.03
+650%

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 7 2700X 17517
+652%

Gaming performance

Pros & cons summary


Performance score 1.47 11.03
Recency 20 December 2011 19 April 2018
Physical cores 4 8
Threads 4 16
Chip lithography 32 nm 12 nm
Power consumption (TDP) 100 Watt 105 Watt

A8-3870K has 5% lower power consumption.

Ryzen 7 2700X, on the other hand, has a 650.3% higher aggregate performance score, an age advantage of 6 years, 100% more physical cores and 300% more threads, and a 166.7% more advanced lithography process.

The Ryzen 7 2700X is our recommended choice as it beats the A8-3870K in performance tests.


Should you still have questions on choice between A8-3870K and Ryzen 7 2700X, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD A8-3870K
A8-3870K
AMD Ryzen 7 2700X
Ryzen 7 2700X

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Community ratings

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Questions & comments

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