Intel Core i7-5820K vs Core i5-9600K

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Combined performance score

i5-9600K
6.96
+8.4%

Core i5-9600K outperforms Core i7-5820K by 8% in our combined benchmark results.

General info

Comparing Core i5-9600K and Core i7-5820K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking905954
Place by popularitynot in top-100not in top-100
Value for money13.353.16
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5no data
Architecture codenameCoffee Lake-R (2018−2019)Haswell-E (2014)
Release date19 October 2018 (5 years old)1 September 2014 (9 years old)
Launch price (MSRP)$262$410
Current price$210 (0.8x MSRP)$181 (0.4x MSRP)
Value for money

Performance per price, higher is better.

i5-9600K has 322% better value for money than i7-5820K.

Technical specs

Core i5-9600K and Core i7-5820K 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)6 (Hexa-Core)
Threads612
Base clock speed3.7 GHz3.3 GHz
Boost clock speed4.6 GHz3.6 GHz
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache9 MB (shared)15 MB (shared)
Chip lithography14 nm22 nm
Die size149 mm2356 mm2
Maximum core temperature100 °C67 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data2,600 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplierYesYes

Compatibility

Information on Core i5-9600K and Core i7-5820K 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
SocketFCLGA1151FCLGA2011
Power consumption (TDP)95 Watt140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9600K and Core i7-5820K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
TSX++
Idle States++
Thermal Monitoring++
SIPP+no data
Smart Responseno data+
Demand Based Switchingno data-
StatusDiscontinuedDiscontinued

Security technologies

Core i5-9600K and Core i7-5820K technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-9600K and Core i7-5820K are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-9600K and Core i7-5820K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4
Maximum memory size128 GB64 GB
Max memory channels24
Maximum memory bandwidth41.6 GB/s68 GB/s
ECC memory support--

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 i5-9600K and Core i7-5820K integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-9600K and Core i7-5820K integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2304@24Hzno data
Max resolution over eDP4096 x 2304@60Hzno data
Max resolution over DisplayPort4096 x 2304@60Hzno data

Graphics API support

APIs supported by Core i5-9600K and Core i7-5820K integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-9600K and Core i7-5820K.

PCIe version3.03.0
PCI Express lanes1628

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.

i5-9600K 6.96
+8.4%
i7-5820K 6.42

Core i5-9600K outperforms Core i7-5820K by 8% 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%

i5-9600K 10697
+8.6%
i7-5820K 9853

Core i5-9600K outperforms Core i7-5820K by 9% 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%

i5-9600K 1712
+47.6%
i7-5820K 1160

Core i5-9600K outperforms Core i7-5820K by 48% 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%

i5-9600K 6464
+18.7%
i7-5820K 5444

Core i5-9600K outperforms Core i7-5820K by 19% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 6.96 6.42
Recency 19 October 2018 1 September 2014
Threads 6 12
Cost $262 $410
Chip lithography 14 nm 22 nm
Power consumption (TDP) 95 Watt 140 Watt

We couldn't decide between Core i5-9600K and Core i7-5820K. The differences in performance seem too small.


Should you still have questions on choice between Core i5-9600K and Core i7-5820K, 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 i5-9600K
Core i5-9600K
Intel Core i7-5820K
Core i7-5820K

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Questions and comments

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