Intel Core i9-12900K vs Intel Xeon E-2356G

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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 Xeon E-2356G features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q3/2021 and belongs to the 3 generation of the Intel Xeon E series.
To use the Intel Xeon E-2356G, you'll need a motherboard with a LGA 1200 socket.
Intel Core i 12000 Group Intel Xeon E-2300
12 Generation 3
Desktop / Server Segment Desktop / Server
Intel Core i9-12900K Name Intel Xeon E-2356G
Intel Core i9 Family Intel Xeon E
 
 

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 Xeon E-2356G has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Xeon E-2356G is 3.2 GHz
and turbo frequency for one core is 5.0 GHz.
24 Threads 12
2.4 GHz B-Core Frequency None
None None 6x
16 CPU Cores 6
hybrid (big.LITTLE) Core architecture normal
8x Golden Cove Cores A None
Yes Hyperthreading Yes
3.2 GHz A-Core Frequency None
5.2 GHz A-Core Frequency Turbo None
Yes Overclocking No
8x Gracemont Cores B None
3.9 GHz B-Core Frequency Turbo None
None None 5.0 GHz
None None 3.2 GHz
 
 

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 Xeon E-2356G has integrated graphics, called iGPU for short.
Specifically, the Intel Xeon E-2356G uses the Intel UHD Graphics P750, which has 256 texture shaders
and 64 execution units.
256 Shaders 256
Q4/2021 Release date Q2/2021
10 nm Technology 14 nm
12 Direct X 12
64.0 GB Max. GPU Memory 32.0 GB
-- Max. displays --
32 Execution units 64
0.3 GHz GPU frequency 0.35 GHz
11 Generation 12
1.55 GHz GPU (Turbo) 1.3 GHz
Intel UHD Graphics 770 GPU name Intel UHD Graphics P750
 
 

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 VP8 Decode
Decode VC-1 Decode
Decode / Encode JPEG Decode / Encode
Decode AV1 Decode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode VP9 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
 
 

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.
The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
pci PCIe pci
Yes AES-NI Yes
DDR4-3200, DDR5-4800 Memory type DDR4-3200
Yes ECC No
128.0 GB Max. Memory 128.0 GB
2 Memory channels 2
76.8 GB/s Bandwidth 51.2 GB/s
 
 

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 80 W watts.
241 W TDP (PL2) None
125 W TDP (PL1 / PBP) 80 W
100 °C Tjunction max 100 °C
 
 

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 Xeon E-2356G is manufactured using a 14 nm process.
In total, this processor boasts a generous 12.0 MB cache.
Q4/2021 Release date Q3/2021
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, AVX-512
10 nm Technology 14 nm
Monolithic Chip design Monolithic
589 $ Release price --
Alder Lake S Architecture Rocket Lake S
30.0 MB L3-Cache 12.0 MB
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
BX8071512900K Part Number --
LGA 1700 Socket LGA 1200
14.0 MB L2-Cache 3.0 MB
 
 

Benchmarks

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
17595
17595
Intel Xeon E-2356G
6C 12T @ 3.2 GHz
8326
8326

Geekbench 6 (Multi-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
16244
16244
Intel Xeon E-2356G
6C 12T @ 3.2 GHz
8864
8864

Geekbench 6 (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
2560
2560
Intel Xeon E-2356G
6C 12T @ 3.2 GHz
2289
2289

Geekbench 5, 64bit (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
1990
1990
Intel Xeon E-2356G
6C 12T @ 3.2 GHz
1726
1726