i9-14900KF vs i7-5775C

Aggregate performance score

Core i7-5775C
2015
4 cores / 8 threads, 65 Watt
4.84
Core i9-14900KF
2023
24 cores / 32 threads, 125 Watt
37.50
+675%

Core i9-14900KF outperforms Core i7-5775C by a whopping 675% based on our aggregate benchmark results.

Primary details

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

Place in the ranking124183
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.7163.35
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7 (Desktop)no data
Power efficiency7.0528.39
Architecture codenameBroadwell (2015−2019)Raptor Lake-R (2023−2024)
Release date15 May 2015 (9 years ago)17 October 2023 (1 year ago)
Launch price (MSRP)$366$564

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-14900KF has 8823% better value for money than i7-5775C.

Detailed specifications

Core i7-5775C and Core i9-14900KF 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 GHz5.8 GHz
Bus typeDMI 2.0no data
Bus rate5 GT/sno data
Multiplier33no data
L1 cache64 KB (per core)80 KB (per core)
L2 cache256 KB (per core)2 MB (per core)
L3 cache6 MB (shared)36 MB (shared)
Chip lithography14 nmIntel 7 nm
Die size182 mm2257 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Core i7-5775C and Core i9-14900KF 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
SocketFCLGA1150FCLGA1700
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5775C and Core i9-14900KF. 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
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
eDRAM128 MBno data
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
Turbo Boost Max 3.0no data+
FDI+no data
Deep Learning Boost-+

Security technologies

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

TXT++
EDB++
Secure Key++
Identity Protection+-
OS Guard++
Anti-Theft+no data

Virtualization technologies

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

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

Memory specs

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

Supported memory typesDDR3DDR5-5600, DDR4-3200
Maximum memory size32 GB192 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s89.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel Iris Pro Graphics 6200N/A
Max video memory32 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 i7-5775C and Core i9-14900KF integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data
VGA+no data

Graphics image quality

Maximum display resolutions supported by Core i7-5775C and Core i9-14900KF integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP3840x2160@60Hzno data
Max resolution over DisplayPort3840x2160@60Hzno data
Max resolution over VGA1920x1200@60Hzno data

Graphics API support

APIs supported by Core i7-5775C and Core i9-14900KF integrated GPUs, sometimes API versions are included.

DirectX11.2no data
OpenGL4.3no data

Peripherals

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

PCIe version3.05.0 and 4.0
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 4.84
i9-14900KF 37.50
+675%

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.

i7-5775C 7694
i9-14900KF 59567
+674%

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.

i7-5775C 1441
i9-14900KF 3097
+115%

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.

i7-5775C 4983
i9-14900KF 20763
+317%

Gaming performance

Pros & cons summary


Performance score 4.84 37.50
Recency 15 May 2015 17 October 2023
Physical cores 4 24
Threads 8 32
Power consumption (TDP) 65 Watt 125 Watt

i7-5775C has 92.3% lower power consumption.

i9-14900KF, on the other hand, has a 674.8% higher aggregate performance score, an age advantage of 8 years, and 500% more physical cores and 300% more threads.

The Core i9-14900KF 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 i9-14900KF, 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 i7-5775C
Core i7-5775C
Intel Core i9-14900KF
Core i9-14900KF

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.


4.5 103 votes

Rate Core i7-5775C on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 331 vote

Rate Core i9-14900KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-5775C or Core i9-14900KF, agree or disagree with our judgements, or report an error or mismatch.