Ryzen 3 2300X vs i5-6600K

Aggregate performance score

Core i5-6600K
2015
4 cores / 4 threads, 91 Watt
3.98
Ryzen 3 2300X
2018
4 cores / 4 threads, 65 Watt
4.77
+19.8%

Ryzen 3 2300X outperforms Core i5-6600K by a significant 20% based on our aggregate benchmark results.

Primary details

Comparing Core i5-6600K and Ryzen 3 2300X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14181251
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.71no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5 (Desktop)AMD Ryzen 3
Power efficiency4.146.94
Architecture codenameSkylake (2015−2016)Zen+ (2018−2019)
Release date5 August 2015 (9 years ago)1 August 2018 (6 years ago)
Launch price (MSRP)$242no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-6600K and Ryzen 3 2300X 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 speed3.5 GHz3.5 GHz
Boost clock speed3.9 GHz4.2 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier3535
L1 cache64 KB (per core)128K (per core)
L2 cache256 KB (per core)512K (per core)
L3 cache6 MB (shared)4 MB (shared)
Chip lithography14 nm14 nm
Die size122 mm2210 mm2
Maximum case temperature (TCase)64 °Cno data
Number of transistorsno data4,950 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i5-6600K and Ryzen 3 2300X 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 configuration1 (Uniprocessor)1 (Uniprocessor)
SocketFCLGA1151AM4
Power consumption (TDP)91 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6600K and Ryzen 3 2300X. 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++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology-no data
TSX+-
Idle States+no data
Thermal Monitoring+-
Precision Boost 2no data+

Security technologies

Core i5-6600K and Ryzen 3 2300X technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-6600K and Ryzen 3 2300X 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 Ryzen 3 2300X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4 Dual-channel
Maximum memory size64 GB64 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/s46.933 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 530-
Max video memory64 GB-
Quick Sync Video+-
Clear Video+-
Clear Video HD+-
Graphics max frequency1.15 GHz-
InTru 3D+-

Graphics interfaces

Available interfaces and connections of Core i5-6600K and Ryzen 3 2300X integrated GPUs.

Number of displays supported3-
eDP+-
DisplayPort+-
HDMI+-
DVI+-

Graphics image quality

Maximum display resolutions supported by Core i5-6600K and Ryzen 3 2300X integrated GPUs, including resolutions over different interfaces.

4K resolution support+-
Max resolution over HDMI 1.44096x2304@24Hz-
Max resolution over eDP4096x2304@60Hz-
Max resolution over DisplayPort4096x2304@60Hz-
Max resolution over VGAN/A-

Graphics API support

APIs supported by Core i5-6600K and Ryzen 3 2300X integrated GPUs, sometimes API versions are included.

DirectX12-
OpenGL4.5-

Peripherals

Specifications and connection of peripherals supported by Core i5-6600K and Ryzen 3 2300X.

PCIe version3.03.0
PCI Express lanes1620

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 3.98
Ryzen 3 2300X 4.77
+19.8%

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.

i5-6600K 6322
Ryzen 3 2300X 7574
+19.8%

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.

i5-6600K 1432
+17.2%
Ryzen 3 2300X 1222

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.

i5-6600K 4044
+19.1%
Ryzen 3 2300X 3395

Gaming performance

Pros & cons summary


Performance score 3.98 4.77
Recency 5 August 2015 1 August 2018
Power consumption (TDP) 91 Watt 65 Watt

Ryzen 3 2300X has a 19.8% higher aggregate performance score, an age advantage of 2 years, and 40% lower power consumption.

The Ryzen 3 2300X is our recommended choice as it beats the Core i5-6600K in performance tests.


Should you still have questions on choice between Core i5-6600K and Ryzen 3 2300X, ask them in Comments section, and we shall answer.

Vote for your favorite

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 Ryzen 3 2300X
Ryzen 3 2300X

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.

Community ratings

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


3.6 1136 votes

Rate Core i5-6600K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 159 votes

Rate Ryzen 3 2300X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-6600K or Ryzen 3 2300X, agree or disagree with our judgements, or report an error or mismatch.