Core i7-8565U vs Core i7-2600K

#ad
Buy on Amazon
VS

Aggregated performance score

Core i7-2600K
2011
4 cores / 8 threads
3.55
Core i7-8565U
2018
4 cores / 8 threads
3.95
+11.3%

Core i7-8565U outperforms Core i7-2600K by 11% based on our aggregated benchmark results.

Primary Details

Comparing Core i7-2600K and Core i7-8565U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking14271341
Place by popularitynot in top-100not in top-100
Cost-Effectiveness Evaluation1.32no data
Market segmentDesktop processorLaptop
SeriesIntel Core i7 (Desktop)Intel Core i7
Architecture codenameSandy Bridge (2011−2013)Whiskey Lake-U (2018−2019)
Release date9 January 2011 (13 years ago)1 October 2018 (5 years ago)
Launch price (MSRP)$317$409
Current price$120 (0.4x MSRP)$985 (2.4x MSRP)

Cost-Effectiveness Evaluation

Performance per price, higher is better.

no data

Detailed Specifications

Core i7-2600K and Core i7-8565U 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)
Threads88
Base clock speed3.4 GHz1.8 GHz
Boost clock speed3.8 GHz4.6 GHz
L1 cache64 KB (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache8 MB (shared)8 MB (shared)
Chip lithography32 nm14 nm
Die size216 mm2123 mm2
Maximum core temperature73 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors1,160 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplierYesNo

Compatibility

Information on Core i7-2600K and Core i7-8565U 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
SocketLGA1155FCBGA1528
Power consumption (TDP)95 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2600K and Core i7-8565U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFino data+
Turbo Boost Technology+2.0
Hyper-Threading Technology++
TSXno data-
Idle States++
Thermal Monitoring++
Flex Memory Access++
Smart Responseno data+
FDI+no data
Fast Memory Access+no data
StatusDiscontinuedDiscontinued

Security technologies

Core i7-2600K and Core i7-8565U technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Keyno data+
Identity Protection++
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2600K and Core i7-8565U are enumerated here.

AMD-Vno data+
VT-d-+
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2600K and Core i7-8565U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory size32 GB64 GB
Max memory channels22
Maximum memory bandwidth21 GB/s37.5 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000Intel® UHD Graphics for 8th Generation Intel® Processors
Max video memoryno data32 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.35 GHz1.15 GHz
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-2600K and Core i7-8565U integrated GPUs.

Number of displays supported23
eDPno data+
DisplayPortno data+
HDMIno data+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core i7-2600K and Core i7-8565U integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2304@24Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Core i7-2600K and Core i7-8565U integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-2600K and Core i7-8565U.

PCIe version2.03.0
PCI Express lanes1616

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.

i7-2600K 3.55
i7-8565U 3.95
+11.3%

Core i7-8565U outperforms Core i7-2600K by 11% based on our aggregated 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%

i7-2600K 5483
i7-8565U 6107
+11.4%

Core i7-8565U outperforms Core i7-2600K by 11% 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%

i7-2600K 666
i7-8565U 804
+20.7%

Core i7-8565U outperforms Core i7-2600K by 21% 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%

i7-2600K 2309
i7-8565U 2327
+0.8%

Core i7-8565U outperforms Core i7-2600K by 1% in GeekBench 5 Multi-Core.

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Benchmark coverage: 20%

i7-2600K 4809
i7-8565U 6644
+38.2%

Core i7-8565U outperforms Core i7-2600K by 38% in Cinebench 10 32-bit single-core.

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Benchmark coverage: 19%

i7-2600K 18608
+11%
i7-8565U 16760

Core i7-2600K outperforms Core i7-8565U by 11% in Cinebench 10 32-bit multi-core.

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Benchmark coverage: 19%

i7-2600K 6669
+8.3%
i7-8565U 6158

Core i7-2600K outperforms Core i7-8565U by 8% in 3DMark06 CPU.

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Benchmark coverage: 18%

i7-2600K 10.5
i7-8565U 9.55
+9.9%

Core i7-2600K outperforms Core i7-8565U by 10% in wPrime 32.

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Benchmark coverage: 17%

i7-2600K 7
i7-8565U 7
+0.6%

Core i7-8565U outperforms Core i7-2600K by 1% in Cinebench 11.5 64-bit multi-core.

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Benchmark coverage: 15%

i7-2600K 614
+0.8%
i7-8565U 609

Core i7-2600K outperforms Core i7-8565U by 1% in Cinebench 15 64-bit multi-core.

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Benchmark coverage: 15%

i7-2600K 129
i7-8565U 173
+34.1%

Core i7-8565U outperforms Core i7-2600K by 34% in Cinebench 15 64-bit single-core.

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Benchmark coverage: 14%

i7-2600K 1.51
i7-8565U 1.93
+27.8%

Core i7-8565U outperforms Core i7-2600K by 28% in Cinebench 11.5 64-bit single-core.

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Benchmark coverage: 13%

i7-2600K 3.3
i7-8565U 4
+21.2%

Core i7-8565U outperforms Core i7-2600K by 21% in TrueCrypt AES.

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Benchmark coverage: 13%

i7-2600K 3486
i7-8565U 4292
+23.1%

Core i7-8565U outperforms Core i7-2600K by 23% in WinRAR 4.0.

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Benchmark coverage: 13%

i7-2600K 145
+2.9%
i7-8565U 141

Core i7-2600K outperforms Core i7-8565U by 3% in x264 encoding pass 1.

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Benchmark coverage: 13%

i7-2600K 37
+8.3%
i7-8565U 34

Core i7-2600K outperforms Core i7-8565U by 8% in x264 encoding pass 2.

Geekbench 3 32-bit single-core

Benchmark coverage: 5%

i7-2600K 3015
i7-8565U 3851
+27.7%

Core i7-8565U outperforms Core i7-2600K by 28% in Geekbench 3 32-bit single-core.

Geekbench 3 32-bit multi-core

Benchmark coverage: 5%

i7-2600K 11547
i7-8565U 12303
+6.5%

Core i7-8565U outperforms Core i7-2600K by 7% in Geekbench 3 32-bit multi-core.

Geekbench 2

Benchmark coverage: 5%

i7-2600K 7754
i7-8565U 10600
+36.7%

Core i7-8565U outperforms Core i7-2600K by 37% in Geekbench 2.

Gaming performance

Pros & Cons Summary


Performance score 3.55 3.95
Recency 9 January 2011 1 October 2018
Cost $317 $409
Chip lithography 32 nm 14 nm
Power consumption (TDP) 95 Watt 15 Watt

The Core i7-8565U is our recommended choice as it beats the Core i7-2600K in performance tests.

Note that Core i7-2600K is a desktop processor while Core i7-8565U is a notebook one.


Should you still have questions on choice between Core i7-2600K and Core i7-8565U, 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 i7-2600K
Core i7-2600K
Intel Core i7-8565U
Core i7-8565U

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.


4.2 1333 votes

Rate Core i7-2600K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.8 529 votes

Rate Core i7-8565U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & Сomments

Here you can ask a question about Core i7-2600K or Core i7-8565U, agree or disagree with our judgements, or report an error or mismatch.