Intel Core i9-12900H vs Intel Core i9-12900K

Comparative analysis of Intel Core i9-12900H and Intel Core i9-12900K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, 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 i9-12900H

Intel Core i9-12900K

Differences

Reasons to consider the Intel Core i9-12900H

CPU is newer: launch date 2 month(s) later
Around 9% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 25% more L2 cache; more data can be stored in the L2 cache for quick access later

Launch date	4 Jan 2022 vs 4 Nov 2021
L1 cache	1120 KB vs 1 MB
L2 cache	17.5 MB vs 14 MB

Reasons to consider the Intel Core i9-12900K

Around 4% higher clock speed: 5.20 GHz vs 5.00 GHz
Around 25% more L3 cache; more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 128 GB vs 64 GB
Around 11% better performance in PassMark - Single thread mark: 4142 vs 3741
Around 50% better performance in PassMark - CPU mark: 41322 vs 27525
Around 66% better performance in 3DMark Fire Strike - Physics Score: 11648 vs 7011

Specifications (specs)
Maximum frequency	5.20 GHz vs 5.00 GHz
L3 cache	30 MB vs 24 MB
Maximum memory size	128 GB vs 64 GB
Benchmarks
PassMark - Single thread mark	4142 vs 3741
PassMark - CPU mark	41322 vs 27525
3DMark Fire Strike - Physics Score	11648 vs 7011

Compare benchmarks

CPU 1: Intel Core i9-12900H
CPU 2: Intel Core i9-12900K

PassMark - Single thread mark

CPU 1

CPU 2

3741

4142

PassMark - CPU mark

CPU 1

CPU 2

27525

41322

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

7011

11648

Name	Intel Core i9-12900H	Intel Core i9-12900K
PassMark - Single thread mark	3741	4142
PassMark - CPU mark	27525	41322
3DMark Fire Strike - Physics Score	7011	11648

Compare specifications (specs)

	Intel Core i9-12900H	Intel Core i9-12900K
Essentials
Architecture codename	Alder Lake	Alder Lake
Launch date	4 Jan 2022	4 Nov 2021
Launch price (MSRP)	$617	$589 - $599
Place in performance rating	413	122
Processor Number	i9-12900H	i9-12900K
Series	12th Generation Intel Core i9 Processors	12th Generation Intel Core i9 Processors
Vertical segment	Mobile	Desktop
Status		Launched
Performance
64 bit support
L1 cache	1120 KB	1 MB
L2 cache	17.5 MB	14 MB
L3 cache	24 MB	30 MB
Manufacturing process technology	7 nm	Intel 7
Maximum core temperature	100°C	100°C
Maximum frequency	5.00 GHz	5.20 GHz
Number of cores	14
Number of threads	20
Memory
Max memory channels	2	2
Maximum memory size	64 GB	128 GB
Supported memory types	Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s Up to LPDDR5 5200 MT/s Up to LPDDR4x 4267 MT/s	Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s
Maximum memory bandwidth		76.8 GB/s
Graphics
Device ID	0x46A6	0x4680
Execution Units	96	32
Graphics max dynamic frequency	1.45 GHz	1.55 GHz
Intel® Quick Sync Video
Processor graphics	Intel Iris Xe Graphics eligible	Intel UHD Graphics 770
Graphics base frequency		300 MHz
Intel® Clear Video HD technology
Graphics interfaces
Number of displays supported	4	4
Graphics image quality
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	7680 x 4320 @ 60Hz
Max resolution over eDP	4096 x 2304 @ 120Hz	5120 x 3200 @ 120Hz
Graphics API support
DirectX	12.1	12
OpenGL	4.6	4.5
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	50 x 25	45.0 mm x 37.5 mm
Sockets supported	FCBGA1744	FCLGA1700
Thermal Design Power (TDP)	45 Watt
Thermal Solution		PCG 2020A
Peripherals
Max number of PCIe lanes	28	20
PCI Express revision		5.0 and 4.0
PCIe configurations		Up to 1x16+4, 2x8+4
Scalability		1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot
Mode-based Execute Control (MBE)
Advanced Technologies
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2	Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)