i9-14900KF vs Celeron B820

Place in performance ranking	2823	74
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Celeron	no data
Architecture codename	Sandy Bridge (2011−2013)	Raptor Lake-R (2023−2024)
Release date	31 July 2011 (13 years ago)	17 October 2023 (less than a year ago)
Launch price (MSRP)	$86	no data

Detailed specifications

Celeron B820 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 cores	2 (Dual-core)	24 (Tetracosa-Core)
Threads	2	32
Base clock speed	1.7 GHz	3.2 GHz
Boost clock speed	1.7 GHz	5.8 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	17	no data
L1 cache	128 KB	80 KB (per core)
L2 cache	512 KB	2 MB (per core)
L3 cache	2 MB	36 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	131 mm²	257 mm²
Maximum core temperature	100 °C	100 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Celeron B820 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 configuration	1 (Uniprocessor)	1
Socket	FCPGA988,PGA988	FCLGA1700
Power consumption (TDP)	35 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B820 and Core i9-14900KF. You'll probably need this information if you require some particular technology.

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

Security technologies

Celeron B820 and Core i9-14900KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B820 and Core i9-14900KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B820 and Core i9-14900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-5600, DDR4-3200
Maximum memory size	16 GB	192 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	89.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	N/A
Graphics max frequency	1.05 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron B820 and Core i9-14900KF integrated GPUs.

Number of displays supported	2	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron B820 and Core i9-14900KF.

PCIe version	2.0	5.0 and 4.0
PCI Express lanes	16	16

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.

Celeron B820 0.52

i9-14900KF 38.56
+7315%

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 B820 811

i9-14900KF 59634
+7253%

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 B820 281

i9-14900KF 3092
+1000%

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 B820 491

i9-14900KF 20651
+4106%

Gaming performance

Pros & cons summary

Performance score	0.52	38.56
Recency	31 July 2011	17 October 2023
Physical cores	2	24
Threads	2	32
Power consumption (TDP)	35 Watt	125 Watt

Celeron B820 has 257.1% lower power consumption.

i9-14900KF, on the other hand, has a 7315.4% higher aggregate performance score, an age advantage of 12 years, and 1100% more physical cores and 1500% more threads.

The Core i9-14900KF is our recommended choice as it beats the Celeron B820 in performance tests.

Be aware that Celeron B820 is a notebook processor while Core i9-14900KF is a desktop one.

Should you still have questions on choice between Celeron B820 and Core i9-14900KF, ask them in Comments section, and we shall answer.