Intel Core i9-12900K vs Intel Core i9-12900T

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-12900K or Intel Core i9-12900K – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i9-12900K features 16 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q4/2021 and belongs to the 12 generation of the Intel Core i9 series.
To use the Intel Core i9-12900K, you'll need a motherboard with a LGA 1700 socket.
The Intel Core i9-12900T features 16 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q1/2022 and belongs to the 12 generation of the Intel Core i9 series.
To use the Intel Core i9-12900T, you'll need a motherboard with a LGA 1700 socket.
Desktop / Server Segment Desktop / Server
Intel Core i9-12900K Name Intel Core i9-12900T
Intel Core i9 Family Intel Core i9
12 Generation 12
Intel Core i 12000 Group Intel Core i 12000
 
 

CPU Cores and Base Frequency

The Intel Core i9-12900K has 16 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the A-Core is 3.2 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
The Intel Core i9-12900T has 16 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the A-Core is 1.4 GHz.
5.2 GHz A-Core Frequency Turbo 4.9 GHz
2.4 GHz B-Core Frequency 1.0 GHz
3.2 GHz A-Core Frequency 1.4 GHz
8x Gracemont Cores B 8x Gracemont
8x Golden Cove Cores A 8x Golden Cove
Yes Overclocking No
hybrid (big.LITTLE) Core architecture hybrid (big.LITTLE)
3.9 GHz B-Core Frequency Turbo 3.6 GHz
24 Threads 24
Yes Hyperthreading Yes
16 CPU Cores 16
 
 

Internal Graphics

The Intel Core i9-12900K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-12900K uses the Intel UHD Graphics 770, which has 256 texture shaders
and 32 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i9-12900T has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-12900T uses the Intel UHD Graphics 770, which has 256 texture shaders
0.3 GHz GPU frequency 0.3 GHz
Q4/2021 Release date Q4/2021
12 Direct X 12
Intel UHD Graphics 770 GPU name Intel UHD Graphics 770
10 nm Technology 10 nm
-- Max. displays --
256 Shaders 256
64.0 GB Max. GPU Memory 64.0 GB
32 Execution units 32
11 Generation 11
1.55 GHz GPU (Turbo) 1.55 GHz
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode AVC Decode / Encode
Decode VC-1 Decode
Decode / Encode VP9 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode VP8 Decode / Encode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode JPEG Decode / Encode
Decode AV1 Decode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
128.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
Yes ECC Yes
76.8 GB/s Bandwidth 76.8 GB/s
DDR4-3200, DDR5-4800 Memory type DDR4-3200, DDR5-4800
 
 

Thermal Management

The processor has a thermal design power (TDP) of 125 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 35 W watts.
100 °C Tjunction max 100 °C
241 W TDP (PL2) 106 W
125 W TDP (PL1 / PBP) 35 W
 
 

Technical details

The Intel Core i9-12900K is manufactured using a 10 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 30.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-12900T is manufactured using a 10 nm process.
Q4/2021 Release date Q1/2022
BX8071512900K Part Number --
14.0 MB L2-Cache 14.0 MB
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE4.1, SSE4.2, AVX2, AVX2+
Monolithic Chip design Monolithic
Alder Lake S Architecture Alder Lake S
10 nm Technology 10 nm
LGA 1700 Socket LGA 1700
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
589 $ Release price 489 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
30.0 MB L3-Cache 30.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i9-12900K
16C 24T @ 3.2 GHz
40902
40902
Intel Core i9-12900T
16C 24T @ 1.4 GHz
31415
31415

Cinebench R23 (Multi-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
27472
27472
Intel Core i9-12900T
16C 24T @ 1.4 GHz
22804
22804

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
17595
17595
Intel Core i9-12900T
16C 24T @ 1.4 GHz
15450
15450

Geekbench 6 (Multi-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
16244
16244
Intel Core i9-12900T
16C 24T @ 1.4 GHz
13240
13240

Geekbench 6 (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
2560
2560
Intel Core i9-12900T
16C 24T @ 1.4 GHz
2499
2499

Cinebench R23 (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
1997
1997
Intel Core i9-12900T
16C 24T @ 1.4 GHz
1865
1865

Geekbench 5, 64bit (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
1990
1990
Intel Core i9-12900T
16C 24T @ 1.4 GHz
1878
1878