Core i9-14900K vs Core i7-5775C

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Aggregate performance score

Core i7-5775C
2015
4 cores / 8 threads, 65 Watt
4.96
Core i9-14900K
2023
24 cores / 32 threads, 125 Watt
39.23
+691%

i9-14900K outperforms i7-5775C by a whopping 691% based on our aggregate benchmark results.

Primary details

Comparing Core i7-5775C and Core i9-14900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking116264
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.9251.83
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7 (Desktop)no data
Architecture codenameBroadwell (2015−2019)Raptor Lake
Release date2 June 2015 (9 years ago)17 October 2023 (less than a year ago)
Launch price (MSRP)$366$589
Current price$309 (0.8x MSRP)$739 (1.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-14900K has 5534% better value for money than i7-5775C.

Detailed specifications

Core i7-5775C and Core i9-14900K 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)24 (Tetracosa-Core)
Threads832
Base clock speed3.3 GHz3.2 GHz
Boost clock speed3.7 GHz6 GHz
L1 cache256 KB80 KB (per core)
L2 cache1 MB32 MB
L3 cache6 MB36 MB
Chip lithography14 nm10 nm
Die sizeno data257 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplierYesYes

Compatibility

Information on Core i7-5775C and Core i9-14900K 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
SocketFCLGA1150LGA 1700
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5775C and Core i9-14900K. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Hyper-Threading Technology+no data
TSX++

Security technologies

Core i7-5775C and Core i9-14900K technologies aimed at improving security, for example, by protecting against hacks.

TXT++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-5775C and Core i9-14900K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-5775C and Core i9-14900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4, DDR5
Maximum memory size32 GBno data
Maximum memory bandwidth25.6 GB/s89.6 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel Iris Pro Graphics 6200Intel UHD Graphics 770

Peripherals

Specifications and connection of peripherals supported by Core i7-5775C and Core i9-14900K.

PCIe version3.05.0
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.

i7-5775C 4.96
i9-14900K 39.23
+691%

Core i9-14900K outperforms Core i7-5775C by 691% based on our aggregate 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%

i7-5775C 7670
i9-14900K 60672
+691%

Core i9-14900K outperforms Core i7-5775C by 691% 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%

i7-5775C 1412
i9-14900K 3089
+119%

Core i9-14900K outperforms Core i7-5775C by 119% 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%

i7-5775C 4857
i9-14900K 20877
+330%

Core i9-14900K outperforms Core i7-5775C by 330% 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%

i7-5775C 5844
i9-14900K 12643
+116%

Core i9-14900K outperforms Core i7-5775C by 116% 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%

i7-5775C 22261
i9-14900K 94801
+326%

Core i9-14900K outperforms Core i7-5775C by 326% 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%

i7-5775C 7933
i9-14900K 22773
+187%

Core i9-14900K outperforms Core i7-5775C by 187% 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%

i7-5775C 6.3
i9-14900K 2.07
+204%

Core i7-5775C outperforms Core i9-14900K by 204% 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%

i7-5775C 8
i9-14900K 72
+768%

Core i9-14900K outperforms Core i7-5775C by 768% 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%

i7-5775C 772
i9-14900K 6282
+714%

Core i9-14900K outperforms Core i7-5775C by 714% 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%

i7-5775C 152
i9-14900K 332
+118%

Core i9-14900K outperforms Core i7-5775C by 118% 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%

i7-5775C 1.79
i9-14900K 4.02
+125%

Core i9-14900K outperforms Core i7-5775C by 125% 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%

i7-5775C 4.4
i9-14900K 26.7
+507%

Core i9-14900K outperforms Core i7-5775C by 507% in TrueCrypt AES.

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%

i7-5775C 46
i9-14900K 181
+292%

Core i9-14900K outperforms Core i7-5775C by 292% in x264 encoding pass 2.

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%

i7-5775C 180
i9-14900K 346
+92.2%

Core i9-14900K outperforms Core i7-5775C by 92% in x264 encoding pass 1.

Gaming performance

Pros & cons summary


Performance score 4.96 39.23
Integrated graphics card 3.92 6.15
Recency 2 June 2015 17 October 2023
Physical cores 4 24
Threads 8 32
Cost $366 $589
Chip lithography 14 nm 10 nm
Power consumption (TDP) 65 Watt 125 Watt

i7-5775C has its recommended price lower by $223, and 92.3% lower power consumption.

i9-14900K, on the other hand, has a 690.9% higher aggregate performance score, 56.9% faster integrated GPU, an age advantage of 8 years, 500% more physical cores and 300% more threads, and a 40% more advanced lithography process.

The Core i9-14900K is our recommended choice as it beats the Core i7-5775C in performance tests.


Should you still have questions on choice between Core i7-5775C and Core i9-14900K, ask them in Comments section, and we shall answer.

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Intel Core i7-5775C
Core i7-5775C
Intel Core i9-14900K
Core i9-14900K

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