Athlon X4 840 vs Athlon X4 860K

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Aggregate performance score

Athlon X4 860K
2014
4 cores / 4 threads, 95 Watt
2.16
+3.3%
Athlon X4 840
2014
4 cores / 4 threads, 65 Watt
2.09

Athlon X4 860K outperforms Athlon X4 840 by a minimal 3% based on our aggregate benchmark results.

Primary details

Comparing Athlon X4 860K and Athlon X4 840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18601890
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Seriesno data4x Athlon
Power efficiency2.153.04
Architecture codenameKaveri (2014−2015)Kaveri (2014−2015)
Release date12 August 2014 (10 years ago)August 2014 (10 years ago)

Detailed specifications

Athlon X4 860K and Athlon X4 840 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)
Threads44
Base clock speed3.7 GHz3.1 GHz
Boost clock speed4 GHz3.8 GHz
L1 cache256K256K
L2 cache4 MB4 MB
Chip lithography28 nm28 nm
Die size245 mm2245 mm2
Maximum case temperature (TCase)72 °C72 °C
Number of transistors2,411 million2,411 million
64 bit support++
Windows 11 compatibilityno data-
Unlocked multiplier++

Compatibility

Information on Athlon X4 860K and Athlon X4 840 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
SocketFM2+Socket FM2+
Power consumption (TDP)95 Watt65 watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 860K and Athlon X4 840. You'll probably need this information if you require some particular technology.

AES-NI++
FMA++
AVX++

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 860K and Athlon X4 840 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X4 860K and Athlon X4 840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-2133DDR3

Peripherals

Specifications and connection of peripherals supported by Athlon X4 860K and Athlon X4 840.

PCIe version3.03.0
PCI Express lanes1616

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 X4 860K 2.16
+3.3%
Athlon X4 840 2.09

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 X4 860K 3431
+3.4%
Athlon X4 840 3318

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.

Athlon X4 860K 459
+2.5%
Athlon X4 840 448

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.

Athlon X4 860K 1127
+0.6%
Athlon X4 840 1120

Gaming performance

Pros & cons summary


Performance score 2.16 2.09
Power consumption (TDP) 95 Watt 65 Watt

Athlon X4 860K has a 3.3% higher aggregate performance score.

Athlon X4 840, on the other hand, has 46.2% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Athlon X4 860K and Athlon X4 840.


Should you still have questions on choice between Athlon X4 860K and Athlon X4 840, ask them in Comments section, and we shall answer.

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AMD Athlon X4 860K
Athlon X4 860K
AMD Athlon X4 840
Athlon X4 840

Similar processor comparisons

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Community ratings

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Questions & comments

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