i7-9800X vs i5-7600K

Aggregate performance score

Core i5-7600K
2017
4 cores / 4 threads, 91 Watt
4.44
Core i7-9800X
2018
8 cores / 16 threads, 165 Watt
11.82
+166%

Core i7-9800X outperforms Core i5-7600K by a whopping 166% based on our aggregate benchmark results.

Primary details

Comparing Core i5-7600K and Core i7-9800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1359681
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.196.61
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5 (Desktop)Intel Core i7
Power efficiency4.456.53
Architecture codenameKaby Lake (2016−2019)Skylake (server) (2017−2019)
Release date3 January 2017 (7 years ago)8 October 2018 (6 years ago)
Launch price (MSRP)$242$589

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-9800X has 455% better value for money than i5-7600K.

Detailed specifications

Core i5-7600K and Core i7-9800X 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)8 (Octa-Core)
Threads416
Base clock speed3.8 GHz3.8 GHz
Boost clock speed4.2 GHz4.5 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate8 GT/s4 × 8 GT/s
Multiplier3838
L1 cache256 KB512 KB
L2 cache1 MB8 MB
L3 cache6 MB (shared)16.5 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperature100 °C95 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Core i5-7600K and Core i7-9800X 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)
SocketFCLGA1151FCLGA2066
Power consumption (TDP)91 Watt165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7600K and Core i7-9800X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
TSX++
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0no data+

Security technologies

Core i5-7600K and Core i7-9800X technologies aimed at improving security, for example, by protecting against hacks.

EDB++
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 i5-7600K and Core i7-9800X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-7600K and Core i7-9800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4-2666
Maximum memory size64 GB128 GB
Max memory channels24
Maximum memory bandwidth38.397 GB/s85.33 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 630N/A
Max video memory64 GBno data
Quick Sync Video+-
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 i5-7600K and Core i7-9800X integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-7600K and Core i7-9800X 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 i5-7600K and Core i7-9800X integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-7600K and Core i7-9800X.

PCIe version3.03.0
PCI Express lanes1644

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.

i5-7600K 4.44
i7-9800X 11.82
+166%

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.

i5-7600K 6800
i7-9800X 18091
+166%

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.

i5-7600K 1534
+11.1%
i7-9800X 1381

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.

i5-7600K 4285
i7-9800X 7405
+72.8%

Gaming performance

Pros & cons summary


Performance score 4.44 11.82
Recency 3 January 2017 8 October 2018
Physical cores 4 8
Threads 4 16
Power consumption (TDP) 91 Watt 165 Watt

i5-7600K has 81.3% lower power consumption.

i7-9800X, on the other hand, has a 166.2% higher aggregate performance score, an age advantage of 1 year, and 100% more physical cores and 300% more threads.

The Core i7-9800X is our recommended choice as it beats the Core i5-7600K in performance tests.


Should you still have questions on choice between Core i5-7600K and Core i7-9800X, 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 i5-7600K
Core i5-7600K
Intel Core i7-9800X
Core i7-9800X

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.


3.8 535 votes

Rate Core i5-7600K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.2 81 vote

Rate Core i7-9800X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-7600K or Core i7-9800X, agree or disagree with our judgements, or report an error or mismatch.