AMD EPYC 7773X vs Intel Core i9-12900K

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

AMD EPYC 7773X or AMD EPYC 7773X – 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 AMD EPYC 7773X features 64 processor cores and has the capability to manage 128 threads concurrently.
It was released in Q2/2022 and belongs to the 3 generation of the AMD EPYC series.
To use the AMD EPYC 7773X, you'll need a motherboard with a SP3 socket.
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.
Desktop / Server Segment Desktop / Server
AMD EPYC 7773X Name Intel Core i9-12900K
AMD EPYC Family Intel Core i9
3 Generation 12
AMD EPYC 7003 Group Intel Core i 12000
 
 

CPU Cores and Base Frequency

The AMD EPYC 7773X has 64 CPU cores and can calculate 128 threads in parallel.
The clock frequency of the AMD EPYC 7773X is 2.2 GHz
and turbo frequency for one core is 3.5 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
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.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
3.5 GHz Turbo Frequency (1 core) None
None None 5.2 GHz
None None 2.4 GHz
None None 3.2 GHz
None None 8x Gracemont
None None 8x Golden Cove
No Overclocking Yes
normal Core architecture hybrid (big.LITTLE)
2.2 GHz Frequency None
None None 3.9 GHz
128 Threads 24
Yes Hyperthreading Yes
64 CPU Cores 16
64x Zen 3 Cores None
 
 

Internal Graphics

The AMD EPYC 7773X does not have integrated 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.
-- GPU frequency 0.3 GHz
-- Release date Q4/2021
-- Direct X 12
GPU name Intel UHD Graphics 770
-- Technology 10 nm
-- Max. displays --
-- Shaders 256
0 bytes Max. GPU Memory 64.0 GB
-- Execution units 32
-- Generation 11
-- 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.
-- AVC Decode / Encode
-- VC-1 Decode
-- VP9 Decode / Encode
-- h265 / HEVC (10 bit) Decode / Encode
-- h264 Decode / Encode
-- VP8 Decode / Encode
-- h265 / HEVC (8 bit) Decode / Encode
-- JPEG Decode / Encode
-- AV1 Decode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 4.0 TB distributed across 8 memory channels. It offers a peak memory bandwidth of 204.8 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 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
8 Memory channels 2
4.0 TB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
Yes ECC Yes
204.8 GB/s Bandwidth 76.8 GB/s
DDR4-3200 Memory type DDR4-3200, DDR5-4800
 
 

Thermal Management

The processor has a thermal design power (TDP) of 280 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 125 W watts.
-- Tjunction max 100 °C
None TDP (PL2) 241 W
280 W TDP (PL1 / PBP) 125 W
225 W TDP down None
 
 

Technical details

The AMD EPYC 7773X is manufactured using a 7 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 768.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-12900K is manufactured using a 10 nm process.
In total, this processor boasts a generous 30.0 MB cache.
Q2/2022 Release date Q4/2021
-- Part Number BX8071512900K
32.0 MB L2-Cache 14.0 MB
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX2+
Chiplet Chip design Monolithic
Milan (Zen 3) Architecture Alder Lake S
7 nm Technology 10 nm
SP3 Socket LGA 1700
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
8800 $ Release price 589 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
768.0 MB L3-Cache 30.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD EPYC 7773X
64C 128T @ 2.2 GHz
90782
90782
Intel Core i9-12900K
16C 24T @ 3.2 GHz
40902
40902

Geekbench 5, 64bit (Multi-Core)

AMD EPYC 7773X
64C 128T @ 2.2 GHz
45899
45899
Intel Core i9-12900K
16C 24T @ 3.2 GHz
17595
17595

Cinebench R23 (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
1997
1997
AMD EPYC 7773X
64C 128T @ 2.2 GHz
1298
1298

Geekbench 5, 64bit (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
1990
1990
AMD EPYC 7773X
64C 128T @ 2.2 GHz
1341
1341