Intel Core i9-12900K vs Intel Xeon W-3275

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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 W-3275 features 28 processor cores and has the capability to manage 56 threads concurrently.
It was released in Q2/2019 and belongs to the 7 generation of the Intel Xeon W series.
To use the Intel Xeon W-3275, you'll need a motherboard with a LGA 3647 socket.
Intel Core i 12000 Group Intel Xeon W-2200/3200
12 Generation 7
Desktop / Server Segment Desktop / Server
Intel Core i9-12900K Name Intel Xeon W-3275
Intel Core i9 Family Intel Xeon W
 
 

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 W-3275 has 28 CPU cores and can calculate 56 threads in parallel.
The clock frequency of the Intel Xeon W-3275 is 2.5 GHz
and turbo frequency for one core is 4.6 GHz.
24 Threads 56
2.4 GHz B-Core Frequency None
None None 28x
16 CPU Cores 28
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 4.6 GHz
None None 2.5 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 W-3275 does not have integrated graphics.
256 Shaders --
Q4/2021 Release date --
10 nm Technology --
12 Direct X --
64.0 GB Max. GPU Memory 0 bytes
-- Max. displays --
32 Execution units --
0.3 GHz GPU frequency --
11 Generation --
1.55 GHz GPU (Turbo) --
Intel UHD Graphics 770 GPU name
 
 

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

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 1.0 TB distributed across 6 memory channels. It offers a peak memory bandwidth of 140.7 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 DDR4-2933
Yes ECC Yes
128.0 GB Max. Memory 1.0 TB
2 Memory channels 6
76.8 GB/s Bandwidth 140.7 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 205 W watts.
241 W TDP (PL2) None
125 W TDP (PL1 / PBP) 205 W
100 °C Tjunction max --
 
 

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 W-3275 is manufactured using a 14 nm process.
In total, this processor boasts a generous 38.5 MB cache.
Q4/2021 Release date Q2/2019
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 4250 $
Alder Lake S Architecture Cascade Lake W
30.0 MB L3-Cache 38.5 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 3647
14.0 MB L2-Cache 0 bytes
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Xeon W-3275
28C 56T @ 2.5 GHz
44831
44831
Intel Core i9-12900K
16C 24T @ 3.2 GHz
40902
40902

Cinebench R23 (Multi-Core)

Intel Xeon W-3275
28C 56T @ 2.5 GHz
28051
28051
Intel Core i9-12900K
16C 24T @ 3.2 GHz
27472
27472

V-Ray CPU-Render Benchmark

Intel Xeon W-3275
28C 56T @ 2.5 GHz
24755
24755
Intel Core i9-12900K
16C 24T @ 3.2 GHz
17845
17845

Geekbench 5, 64bit (Multi-Core)

Intel Xeon W-3275
28C 56T @ 2.5 GHz
21369
21369
Intel Core i9-12900K
16C 24T @ 3.2 GHz
17595
17595

Cinebench R20 (Multi-Core)

Intel Xeon W-3275
28C 56T @ 2.5 GHz
11020
11020
Intel Core i9-12900K
16C 24T @ 3.2 GHz
10511
10511

Geekbench 6 (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
2560
2560
Intel Xeon W-3275
28C 56T @ 2.5 GHz
1414
1414

Cinebench R23 (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
1997
1997
Intel Xeon W-3275
28C 56T @ 2.5 GHz
1107
1107

Geekbench 5, 64bit (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
1990
1990
Intel Xeon W-3275
28C 56T @ 2.5 GHz
1203
1203

Cinebench R20 (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
779
779
Intel Xeon W-3275
28C 56T @ 2.5 GHz
437
437