AMD FX-6300 vs Intel Core i5-6600K

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Combined performance score

i5-6600K
4.12
+53.2%

Core i5-6600K outperforms FX-6300 by 53% in our combined benchmark results.

General info

Comparing Core i5-6600K and FX-6300 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking12921579
Place by popularitynot in top-10042
Value for money0.891.32
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5 (Desktop)no data
Architecture codenameSkylake (2015−2016)Vishera (2012−2015)
Release date2 July 2015 (8 years old)23 October 2012 (11 years old)
Launch price (MSRP)$242no data
Current price$252 (1x MSRP)$49
Value for money

Performance per price, higher is better.

FX-6300 has 48% better value for money than i5-6600K.

Technical specs

Core i5-6600K and FX-6300 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)6 (Hexa-Core)
Threads46
Base clock speed3.5 GHz3.5 GHz
Boost clock speed3.9 GHz3.8 GHz
L1 cache64K (per core)288 KB
L2 cache256K (per core)6144 KB
L3 cache6 MB (shared)8192 KB
Chip lithography14 nm32 nm
Die size122 mm2315 mm2
Maximum core temperature64 °C71 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data1,200 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierYesNo
P0 Vcore voltageno dataMin: 1.15 V - Max: 1.3875 V

Compatibility

Information on Core i5-6600K and FX-6300 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
SocketFCLGA1151AM3+
Power consumption (TDP)91 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6600K and FX-6300. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i5-6600K and FX-6300 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 i5-6600K and FX-6300 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-6600K and FX-6300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3-1866
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth34.1 GB/sno data
ECC memory support-no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 530On certain motherboards (Chipset feature)
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 i5-6600K and FX-6300 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+no data
HDMI+no data
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i5-6600K and FX-6300 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
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i5-6600K and FX-6300 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-6600K and FX-6300.

PCIe version3.03.0
PCI Express lanes16no data

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.

i5-6600K 4.12
+53.2%
FX-6300 2.69

Core i5-6600K outperforms FX-6300 by 53% in our combined benchmark results.


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.

Benchmark coverage: 68%

i5-6600K 6323
+52.8%
FX-6300 4137

Core i5-6600K outperforms FX-6300 by 53% in Passmark.

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.

Benchmark coverage: 42%

i5-6600K 1421
+208%
FX-6300 462

Core i5-6600K outperforms FX-6300 by 208% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

i5-6600K 4021
+177%
FX-6300 1452

Core i5-6600K outperforms FX-6300 by 177% in GeekBench 5 Multi-Core.

3DMark Fire Strike Physics

Benchmark coverage: 4%

i5-6600K 7370
+50.4%
FX-6300 4900

Core i5-6600K outperforms FX-6300 by 50% in 3DMark Fire Strike Physics.

Gaming performance

Advantages and disadvantages


Performance score 4.12 2.69
Recency 2 July 2015 23 October 2012
Physical cores 4 6
Threads 4 6
Chip lithography 14 nm 32 nm
Power consumption (TDP) 91 Watt 95 Watt

The Core i5-6600K is our recommended choice as it beats the FX-6300 in performance tests.


Should you still have questions on choice between Core i5-6600K and FX-6300, ask them in Comments section, and we shall answer.

User ratings

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


Intel Core i5-6600K
Core i5-6600K
AMD FX-6300
FX-6300

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Questions and comments

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