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::>Processors > 2014 > 12 > AMD Athlon X4 860K

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23-12-2014


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AMD Athlon X4 860K processor: review and testing 

Recently we’ve introduced you with the next novelty from the family of AMD Kaveri, which in addition to the two processor cores, also has an integrated graphics core of series AMD Radeon R5 Graphics. This same material will be dedicated to processor with a locked internal GPU, but which at the same time has a higher performance of processor cores and supports connector Socket FM2+.

AMD Athlon X4 860K

Model AMD Athlon X4 860K is equipped with four productive cores with 28nm microarchitecture AMD Steamroller. This product is primarily aimed at those users who already have a fast discrete graphics accelerator.

The specs:

Model

AMD Athlon X4 860K

Marking

AD860KXBI44JA

CPU socket

Socket FM2+

Basic clock frequency, MHz

3700

Max clock frequency with AMD Turbo Core 3.0, MHz

4000

Multiplier (nominal / in turbo mode)

37 / 40

Basic frequency of system bus, MHz

100

L1 cache-memory capacity, KB

4 х 16 (data memory)

2 x 96 (instruction memory)

L2 cache-memory capacity, KB

2 x 2048

L3 cache-memory capacity, KB

No

Micro architecture

AMD Steamroller + AMD GCN

Code name

AMD Kaveri

Number of cores/threads

4/4

Instruction support

MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, x86-64, AMD-V, AES, AVX, XOP, FMA3, FMA4

Max calculated power (TDP), W

95

Max operating temperature, °C

-

Manufacturing process, nm

28

Technology support

AMD 64-bit

AMD Virtualization

EVP (Enhanced Virus Protection)

AMD PowerNow!

AMD Turbo Core 3.0

On-board memory controller

Max memory capacity, GB

-

Memory type

DDR3

Max frequency, MHz

-

Number of memory channels

2

On-board graphics core

-

Producer website

AMD

Packaging, set of delivery and design

AMD Athlon X4 860K

The novelty is shipped in standard packaging of dark gray color. The front side of the box has logo of famous series of processors AMD Athlon. At the bottom there is an inscription, which tells about the need for a discrete graphics accelerator, since the CPU does not have an integrated video core.

AMD Athlon X4 860K

The reverse side of the package contains its contents in different languages and a sticker with the serial number of the processor and the bar code.

AMD Athlon X4 860K

Supplied set of AMD Athlon X4 860K includes:

  • cooling system;
  • sticker on the computer case;
  • CPU and cooling system Quick Installation Guide.

AMD Athlon X4 860K AMD Athlon X4 860K

The heat-spreading lid contains the name of the model, labeling and country of manufacture (the chip is produced in Germany, and the final assembly was made in Malaysia).

Cooling system

AMD Athlon X4 860K

AMD Athlon X4 860K

The processor is equipped with a two-component cooling system. Fan Foxconn PVA070F12N (12 V, 0.42 A) is used to blow. It is based on hydraulic bearing with blade diameter of 70 mm. Connection to the motherboard is realized via the standard four-pin connector that allows you to control the speed of rotation of the blades with a PWM method.

AMD Athlon X4 860K

Heat rejection and dissipation is provided by sufficiently large aluminum radiator, which is in contact with the CPU through a thin layer of thermal paste. It is pre-applied by the manufacturer on the base of the cooler. According to the appearance the used radiator is the same as applied for different CPU from AMD with TDP of 95 W (for example, AMD FX-8320E).

Cooling system is fixed in the slot by a standard metal fitting with plastic latches.

AMD Athlon X4 860K

Use of this cooling system showed that under a long load with stress test LinX 0.6.5 the CPU temperature did not exceed 66°C. In this case, the cooling system operated in mode «Performance». Fan speed under load varied from 3300 to 5000 rpm, and simply fall to 2200 rpm. The noise level in this case is as follows:

  • 2200 rpm - below average;
  • 3300 rpm - average, but quite comfortable;
  • More than 4400 rpm - above average and uncomfortable.

Performance analysis

AMD Athlon X4 860K AMD Athlon X4 860K

AMD Athlon X4 860K has four processor cores that operate in four thread mode. Its nominal frequency under full load dynamically changes from 3700 to 3900 MHz through the support for AMD Turbo Core 3.0. And supply voltage is in the range from 1,256 to 1,320 V. In terms of structure of processor cores and frequency indicators novelty is fully consistent with the flagship model AMD A10-7850K.

AMD Athlon X4 860K AMD Athlon X4 860K

However, most of the time the frequency of AMD Athlon X4 860K is at a level of 3800 MHz at a voltage of 1,304 V.

AMD Athlon X4 860K

The maximum frequency was fixed at partial CPU loading (during start-up programs) and was equal to 3992 MHz. The core voltage at this point was recorded by CPU-Z utility at a level of 1,008 V.

AMD Athlon X4 860K

In idle mode (under low load) core frequency dropped to 1697 MHz with a multiplier value "x17" and a voltage of 0.912 V.

AMD Athlon X4 860K

Cache memory of processor AMD Athlon X4 860K is distributed as follows. 16 KB of L1 cache per core with 4 channels of associativity allocated for caching data. For instructions are 96 KB of L1 cache per dual-core module with 3 channels of associativity. Also here is 2048 KB of L2 cache per dual-core module with 16 channels of associativity. Cache memory of L3 level is absent.

AMD Athlon X4 860K


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