Intel Core i9-14900T vs Intel Core i9-12900KF

Comparative analysis of Intel Core i9-14900T and Intel Core i9-12900KF processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

Intel Core i9-14900T

Intel Core i9-12900KF

Differences

Reasons to consider the Intel Core i9-14900T

CPU is newer: launch date 2 year(s) 2 month(s) later
Around 6% higher clock speed: 5.5 GHz vs 5.20 GHz
Around 20% more L3 cache; more data can be stored in the L3 cache for quick access later

Launch date	8 Jan 2024 vs 4 Nov 2021
Maximum frequency	5.5 GHz vs 5.20 GHz
L3 cache	36 MB (shared) vs 30 MB

Reasons to consider the Intel Core i9-12900KF

12.8x more L1 cache, more data can be stored in the L1 cache for quick access later
7x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 4% better performance in PassMark - Single thread mark: 4156 vs 4003
Around 4% better performance in PassMark - CPU mark: 41087 vs 39391

Specifications (specs)
L1 cache	1 MB vs 80 KB (per core)
L2 cache	14 MB vs 2 MB (per core)
Benchmarks
PassMark - Single thread mark	4156 vs 4003
PassMark - CPU mark	41087 vs 39391

Compare benchmarks

CPU 1: Intel Core i9-14900T
CPU 2: Intel Core i9-12900KF

PassMark - Single thread mark

CPU 1

CPU 2

4003

4156

PassMark - CPU mark

CPU 1

CPU 2

39391

41087

Name	Intel Core i9-14900T	Intel Core i9-12900KF
PassMark - Single thread mark	4003	4156
PassMark - CPU mark	39391	41087
3DMark Fire Strike - Physics Score		11615

Compare specifications (specs)

	Intel Core i9-14900T	Intel Core i9-12900KF
Essentials
Launch date	8 Jan 2024	4 Nov 2021
Launch price (MSRP)	$549	$564 - $574
Place in performance rating	110	125
Architecture codename		Alder Lake
Processor Number		i9-12900KF
Series		12th Generation Intel Core i9 Processors
Status		Launched
Vertical segment		Desktop
Performance
Base frequency	1100 MHz
Die size	257 mm²
L1 cache	80 KB (per core)	1 MB
L2 cache	2 MB (per core)	14 MB
L3 cache	36 MB (shared)	30 MB
Manufacturing process technology	10 nm	Intel 7
Maximum core temperature	100°C	100°C
Maximum frequency	5.5 GHz	5.20 GHz
Number of cores	24
Number of threads	32
Unlocked
64 bit support
Memory
ECC memory support
Supported memory types	DDR4, DDR5	Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s
Max memory channels		2
Maximum memory bandwidth		76.8 GB/s
Maximum memory size		128 GB
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	1700	FCLGA1700
Thermal Design Power (TDP)	35 Watt
Package Size		45.0 mm x 37.5 mm
Thermal Solution		PCG 2020A
Peripherals
PCIe configurations	Gen 5, 16 Lanes, (CPU only)	Up to 1x16+4, 2x8+4
Max number of PCIe lanes		20
PCI Express revision		5.0 and 4.0
Scalability		1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Mode-based Execute Control (MBE)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)