i9-14900K vs Celeron B815

Primary details

Comparing Celeron B815 and Core i9-14900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated79
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data64.22
Market segmentLaptopDesktop processor
SeriesIntel Celeronno data
Power efficiencyno data28.71
Architecture codenameSandy Bridge (2011−2013)Raptor Lake-R (2023−2024)
Release date1 January 2012 (12 years ago)17 October 2023 (1 year ago)
Launch price (MSRP)$86$589

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Celeron B815 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 cores2 (Dual-core)24 (Tetracosa-Core)
Threads232
Base clock speed1.6 GHz3.2 GHz
Boost clock speed1.6 GHz5.8 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier16no data
L1 cache128 KB80 KB (per core)
L2 cache512 KB2 MB (per core)
L3 cache2 MB (shared)36 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size131 mm2257 mm2
Maximum core temperature100 °C100 °C
Number of transistors504 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Celeron B815 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
SocketFCPGA988,PGA988FCLGA1700
Power consumption (TDP)35 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B815 and Core i9-14900K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
FMA+-
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFi-no data
Turbo Boost Technology-2.0
Hyper-Threading Technology-+
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
SIPP-+
Demand Based Switching-no data
Turbo Boost Max 3.0no data+
FDI+no data
Fast Memory Access+no data
Deep Learning Boost-+

Security technologies

Celeron B815 and Core i9-14900K technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
OS Guardno data+
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B815 and Core i9-14900K are enumerated here.

VT-d-+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B815 and Core i9-14900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4, DDR5
Maximum memory size16 GB192 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s89.6 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 2nd Generation Intel® ProcessorsIntel UHD Graphics 770
Quick Sync Video-+
Clear Video HD-+
Graphics max frequency1.05 GHz1.65 GHz
Execution Unitsno data32

Graphics interfaces

Available interfaces and connections of Celeron B815 and Core i9-14900K integrated GPUs.

Number of displays supported24
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Graphics image quality

Maximum display resolutions supported by Celeron B815 and Core i9-14900K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2160 @ 60Hz
Max resolution over eDPno data5120 x 3200 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Celeron B815 and Core i9-14900K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Celeron B815 and Core i9-14900K.

PCIe version2.05.0 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.



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.

Celeron B815 731
i9-14900K 60220
+8138%

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.

Celeron B815 243
i9-14900K 3083
+1169%

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.

Celeron B815 413
i9-14900K 20710
+4915%

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.

Celeron B815 2093
i9-14900K 12643
+504%

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.

Celeron B815 4029
i9-14900K 94801
+2253%

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.

Celeron B815 1645
i9-14900K 22773
+1284%

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.

Celeron B815 44.3
i9-14900K 2.07
+2040%

Pros & cons summary


Recency 1 January 2012 17 October 2023
Physical cores 2 24
Threads 2 32
Power consumption (TDP) 35 Watt 125 Watt

Celeron B815 has 257.1% lower power consumption.

i9-14900K, on the other hand, has an age advantage of 11 years, and 1100% more physical cores and 1500% more threads.

We couldn't decide between Celeron B815 and Core i9-14900K. We've got no test results to judge.

Be aware that Celeron B815 is a notebook processor while Core i9-14900K is a desktop one.


Should you still have questions on choice between Celeron B815 and Core i9-14900K, ask them in Comments section, and we shall answer.

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Intel Celeron B815
Celeron B815
Intel Core i9-14900K
Core i9-14900K

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Community ratings

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