Intel Core i9-12900K vs Intel Core i5-12600K: comparison

Comparison of Intel Core i9-12900K and Intel Core i5-12600K: key differences and a full specification table.

Key differences

Intel Core i9-12900K has more cores (16 vs 10), more threads (24 vs 16), a higher maximum clock (5.2 GHz vs 4.9 GHz) and a larger L3 cache (30 MB vs 20 MB).

Both processors match on: maximum memory size (128 GB), memory channels (2), PCIe version (5).

These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.

Key specifications

ParameterIntel Core i9-12900KIntel Core i5-12600K
Cores / threads 16 / 24 10 / 16
Max boost clock 5.2 GHz 4.9 GHz
L3 cache 30 MB 20 MB
Process Intel 7 Intel 7
Integrated graphics UHD-графика Intel 770 Intel UHD Graphics 770

Full specification table

Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.

Parameter Intel Core i9-12900K Intel Core i5-12600K
General
Model i9-12900K i5-12600K
Codename Alder Lake Alder Lake
Segment Desktop Desktop
Product line Процессоры Intel Core i9 12-го поколения 12th Generation Intel Core i5 Processors
Process Intel 7 Intel 7
Launch date Q4 2021 Q4 2021
Status Launched Launched
Embedded options available No No
Use conditions PC/Client/Tablet, Workstation PC/Client/Tablet, Workstation
CPU
Cores 16 10
Threads 24 16
Multithreading (SMT/HT) Yes Yes
Performance cores 8 6
Efficient cores 8 4
Max boost clock 5.2 GHz 4.9 GHz
P-core base clock 3.2 GHz 3.7 GHz
P-core max turbo 5.1 GHz 4.9 GHz
E-core base clock 2.4 GHz 2.8 GHz
E-core max turbo 3.9 GHz 3.6 GHz
Turbo Boost Max 3.0 frequency 5.2 GHz —
L2 cache 14 MB 9.5 MB
L3 cache 30 MB 20 MB
Processor base power 125 W 125 W
Maximum turbo power 241 W 150 W
Turbo Boost Yes (2) Yes (2)
64-bit support Yes Yes
Instruction set width 64 bit 64 bit
Instruction set extensions SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2
Memory
Max memory size 128 GB 128 GB
Memory types DDR5, DDR4 DDR5, DDR4
Memory channels 2 2
Max memory bandwidth 76.8 GB/s 76.8 GB/s
ECC memory supported Yes Yes
Graphics
Integrated graphics UHD-графика Intel 770 Intel UHD Graphics 770
Has integrated graphics Yes Yes
Graphics base frequency 300 MHz 300 MHz
Graphics max frequency 1.55 GHz 1.45 GHz
Graphics units 32 32
Max displays 4 4
Max resolution (DP) 7680x4320@60Hz 7680x4320@60Hz
Max resolution (HDMI) 4096x2160@60Hz 4096x2160@60Hz
Max resolution (eDP) 5120x3200@120Hz 5120x3200@120Hz
DirectX 12 12
OpenGL 4.5 4.5
OpenCL 3 3
Graphics device ID 0x4680 0x4680
Quick Sync Video Yes Yes
Clear Video HD Yes —
Graphics output eDP 1.4b, DP 1.4a, HDMI 2.1 eDP 1.4b, DP 1.4a, HDMI 2.1
Multi-format codec engines 2 2
I/O and interfaces
PCI Express revision 5 5
PCI Express lanes 20 20
PCI Express configurations Up to 1x16+4, 2x8+4 Up to 1x16+4, 2x8+4
Scalability 1S Only 1S Only
DMI revision 4 4
DMI lanes 8 8
Package and thermal
Sockets supported FCLGA1700 FCLGA1700
Max CPU configuration 1 1
Package size 45.0 mm x 37.5 mm 45.0 mm x 37.5 mm
TJUNCTION 100 °C 100 °C
Thermal solution specification PCG 2020A PCG 2020A
Security and virtualization
Virtualization (VT-x / AMD-V) Yes Yes
Virtualization for Directed I/O (VT-d) Yes Yes
Extended Page Tables (EPT) Yes Yes
AES-NI Yes Yes
Execute Disable Bit Yes Yes
Intel Trusted Execution Technology Yes —
Secure Key Yes Yes
Intel OS Guard Yes Yes
Intel Boot Guard Yes —
Mode-based Execute Control Yes —
Control-Flow Enforcement Technology Yes Yes
Total Memory Encryption Yes —
Total Memory Encryption Multi-Key Yes —
Threat Detection Technology Yes Yes
Stable IT Platform Program Yes —
vPro Eligibility Intel vPro Enterprise Intel vPro Enterprise
Active Management Technology Yes —
Standard Manageability Yes Yes
One-Click Recovery Yes —
Hardware Shield Eligibility Yes —
Virtualization with Redirect Protection Yes Yes
Technologies
Enhanced SpeedStep Yes Yes
Idle States Yes Yes
Thermal Monitoring Technologies Yes Yes
Deep Learning Boost Yes Yes
Volume Management Device Yes Yes
Turbo Boost Max 3.0 Yes —
Thread Director Yes Yes
Speed Shift Technology Yes Yes
Optane Memory Supported Yes Yes
Gaussian & Neural Accelerator Yes (3) Yes (3)

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