Intel Core i5-8600K vs AMD FX-9590

Price now 260$
Games supported 98%
Intel Core i5-8600K
Intel Core i5-8600K
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
AMD FX-9590
AMD FX-9590
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
Price now 344$
Games supported 98%

General info

Comparing Core i5-8600K and FX-9590 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rating710714
Value for money8.242.27
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5no data
Architecture codenameCoffee Lake-S (2017−2018)Vishera (2012−2015)
Release date5 January 2017 (5 years ago)6 July 2013 (9 years ago)
Launch price (MSRP)$257no data
Current price$260 (1x MSRP)$344
Value for money

To get the index we compare the characteristics of the processors and their cost, taking into account the cost of other processors.

  • 0
  • 50
  • 100
  • 0
  • 50
  • 100

Technical specs

Core i5-8600K and FX-9590 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 cores6 (Hexa-Core)8 (Octa-Core)
Base clock speed3.6 GHz4.7 GHz
Boost clock speed4.3 GHz5 GHz
L1 cache64K (per core)no data
L2 cache256K (per core)8192 KB
L3 cache9 MB (shared)no data
Chip lithography14 nm32 nm
Die size149 mm2315 mm2
Maximum core temperature100 °C57 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data1,200 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+1
P0 Vcore voltageno dataMin: 1.375 V - Max: 1.5375 V


Information on Core i5-8600K and FX-9590 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
Thermal design power (TDP)95 Watt220 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8600K and FX-9590. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
FMAno data+
vPro+no data
Enhanced SpeedStep (EIST)+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+no data
TSX+no data
Idle States+no data
Thermal Monitoring+no data
SIPP+no data

Security technologies

Core i5-8600K and FX-9590 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
MPX+no data
Identity Protection+no data
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8600K and FX-9590 are enumerated here.

VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8600K and FX-9590. Depending on the motherboards, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth41.6 GB/sno data
ECC memory support-no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630no data
Max video memory64 GBno data
Quick Sync Video+no data
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.15 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-8600K and FX-9590 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-8600K and FX-9590 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Core i5-8600K and FX-9590 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data


Specifications and connection of peripherals supported by Core i5-8600K and FX-9590.

PCIe version3.0n/a
PCI Express lanes16no data

Benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Overall 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.

i5-8600K 10.17
FX-9590 10.11
  • Passmark
  • GeekBench 5 Single-Core
  • GeekBench 5 Multi-Core

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.

Benchmark coverage: 69%

i5-8600K 10257
FX-9590 10194

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.

Benchmark coverage: 38%

i5-8600K 1201
FX-9590 646

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.

Benchmark coverage: 38%

i5-8600K 5420
FX-9590 3176

Gaming performance

Advantages and disadvantages

Performance rating 10.17 10.11
Recency 5 January 2017 6 July 2013
Boost clock speed 4300 5000
Base clock speed 3600 4700
Chip lithography 14 nm 32 nm
Thermal design power (TDP) 95 Watt 220 Watt

Technical City couldn't decide between

Intel Core i5-8600K
Intel Core i5-8600K


AMD FX-9590
AMD FX-9590

The differences in performance seem too small.

Should you still have questions on choice between Core i5-8600K and FX-9590, ask them in Comments section, and we shall answer.

Cast your vote

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favourite CPU.

Competitors of Core i5-8600K by AMD

We believe that the nearest equivalent to Core i5-8600K by AMD is FX-9590, which is slower by 1% and lower by 4 positions in our rating.

AMD FX-9590 FX 9590

Here are some closest AMD rivals to Core i5-8600K:

Intel Core i5-8600K 100
AMD FX-9590 99.41

Competitors of FX-9590 by Intel

We believe that the nearest equivalent to FX-9590 from Intel is Core i5-10500T, which is nearly equal in speed and higher by 2 positions in our rating.

Intel Core i5-10500T Core i5 10500T

Here are some closest Intel rivals to FX-9590:

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

User rating

Here you can see how users rate the processors, as well as rate them yourself.

4.1 348 ratings

Rate Intel Core i5-8600K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.5 347 ratings

Rate AMD FX-9590 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions and comments

Here you can ask a question about Core i5-8600K or FX-9590, agree or disagree with our judgements, or report an error or mismatch.