i9-11900KF vs Celeron P4505

Place in the ranking	2948	427
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Celeron	no data
Power efficiency	1.16	11.91
Architecture codename	Westmere (2010−2011)	Rocket Lake (2021)
Release date	28 March 2010 (14 years ago)	16 March 2021 (3 years ago)

Detailed specifications

Celeron P4505 and Core i9-11900KF 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)	8 (Octa-Core)
Threads	2	16
Base clock speed	1.86 GHz	3.5 GHz
Boost clock speed	0.07 GHz	5.2 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	8 GT/s
Multiplier	14	no data
L1 cache	128 KB	64K (per core)
L2 cache	512 KB	256K (per core)
L3 cache	2 MB	16 MB (shared)
Chip lithography	32 nm	14 nm
Die size	81 mm²	no data
Maximum core temperature	90 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	382 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Celeron P4505 and Core i9-11900KF 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	BGA1288	FCLGA1200
Power consumption (TDP)	35 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron P4505 and Core i9-11900KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
FMA	+	-
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
PAE	36 Bit	no data
Turbo Boost Max 3.0	no data	+
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Celeron P4505 and Core i9-11900KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron P4505 and Core i9-11900KF are enumerated here.

VT-d	-	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron P4505 and Core i9-11900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	DDR4-3200
Maximum memory size	8 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	17.051 GB/s	50 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for Previous Generation Intel Processors	no data
Clear Video	+	no data
Graphics max frequency	667 MHz	no data

Graphics interfaces

Available interfaces and connections of Celeron P4505 and Core i9-11900KF integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Celeron P4505 and Core i9-11900KF.

PCIe version	2.0	4.0
PCI Express lanes	16	20

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 P4505 0.43

i9-11900KF 15.73
+3558%

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 P4505 689

i9-11900KF 24993
+3527%

Gaming performance

Pros & cons summary

Performance score	0.43	15.73
Recency	28 March 2010	16 March 2021
Physical cores	2	8
Threads	2	16
Chip lithography	32 nm	14 nm
Power consumption (TDP)	35 Watt	125 Watt

Celeron P4505 has 257.1% lower power consumption.

i9-11900KF, on the other hand, has a 3558.1% higher aggregate performance score, an age advantage of 10 years, 300% more physical cores and 700% more threads, and a 128.6% more advanced lithography process.

The Core i9-11900KF is our recommended choice as it beats the Celeron P4505 in performance tests.

Be aware that Celeron P4505 is a notebook processor while Core i9-11900KF is a desktop one.

Should you still have questions on choice between Celeron P4505 and Core i9-11900KF, ask them in Comments section, and we shall answer.