Intel Core i9-12900T vs AMD EPYC 7451

Last updated: 2023-04-27

CPU comparison with benchmarks


Intel Core i9-12900T		AMD EPYC 7451
CPU comparison Intel Core i9-12900T or AMD EPYC 7451 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results. The Intel Core i9-12900T has 16 cores with 24 threads and clocks with a maximum frequency of 4.90 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i9-12900T was released in Q1/2022. The AMD EPYC 7451 has 24 cores with 48 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7451 was released in Q3/2017.

Intel Core i9 (78)	Family	AMD EPYC (129)
Intel Core i 12000 (34)	CPU group	AMD EPYC 7001 (12)
12	Generation	1
Alder Lake S	Architecture	Naples (Zen)
Desktop / Server	Segment	Desktop / Server
Intel Core i9-11900T	Predecessor	--
Intel Core i9-13900T	Successor	--

CPU Cores and Base Frequency The Intel Core i9-12900T is a 16 core processor with a clock frequency of 1.40 GHz (4.90 GHz). The AMD EPYC 7451 has 24 CPU cores with a clock frequency of 2.30 GHz (3.20 GHz).
Intel Core i9-12900T	Characteristic	AMD EPYC 7451
16	Cores	24
24	Threads	48
hybrid (big.LITTLE)	Core architecture	normal
Yes	Hyperthreading	Yes
No	Overclocking ?	No
1.40 GHz (4.90 GHz) 8x Golden Cove	A-Core	2.30 GHz (3.20 GHz)
1.00 GHz (3.60 GHz) 8x Gracemont	B-Core	--
Artificial Intelligence and Machine Learning Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
Intel Core i9-12900T	Characteristic	AMD EPYC 7451
--	AI hardware	--
--	AI specifications	--

Internal Graphics The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
Intel UHD Graphics 770	GPU	no iGPU
0.30 GHz	GPU frequency	--
1.55 GHz	GPU (Turbo)	--
11	GPU Generation	--
10 nm	Technology
3	Max. displays
32	Compute units	--
256	Shader	--
No	Hardware Raytracing	No
No	Frame Generation	No
64 GB	Max. GPU Memory	--
12	DirectX Version	--

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.
Intel UHD Graphics 770	GPU	no iGPU
Decode / Encode	Codec h265 / HEVC (8 bit)	No
Decode / Encode	Codec h265 / HEVC (10 bit)	No
Decode / Encode	Codec h264	No
Decode / Encode	Codec VP9	No
Decode / Encode	Codec VP8	No
Decode	Codec AV1	No
Decode / Encode	Codec AVC	No
Decode	Codec VC-1	No
Decode / Encode	Codec JPEG	No

Memory & PCIe The Intel Core i9-12900T supports a maximum of 128 GB of memory in 2 memory channels. The AMD EPYC 7451 can connect up to GB of memory in 8 memory channels.
Intel Core i9-12900T	Characteristic	AMD EPYC 7451
DDR5-4800, DDR4-3200	Memory	DDR4-2666
128 GB	Max. Memory
2 (Dual Channel)	Memory channels	8 (Octa Channel)
76.8 GB/s	Max. Bandwidth	170.6 GB/s
Yes	ECC	Yes
14.00 MB	L2 Cache	--
30.00 MB	L3 Cache	64.00 MB
5.0	PCIe version	3.0
20	PCIe lanes	128
78.8 GB/s	PCIe Bandwidth	126.1 GB/s
Thermal Management The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i9-12900T has a TDP of 35 W, that of the AMD EPYC 7451 is 180 W.
Intel Core i9-12900T	Characteristic	AMD EPYC 7451
35 W	TDP (PL1 / PBP)	180 W
106 W	TDP (PL2)	--
--	TDP up	--
--	TDP down	--
100 °C	Tjunction max.	--
Technical details The Intel Core i9-12900T has a 44.00 MB cache, while the AMD EPYC 7451 cache has a total of 64.00 MB.
Intel Core i9-12900T	Characteristic	AMD EPYC 7451
10 nm	Technology	14 nm
Monolithic	Chip design	Chiplet
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX2+	ISA extensions	SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
LGA 1700	Socket	SP3
VT-x, VT-x EPT, VT-d	Virtualization	AMD-V, SVM
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems	Windows 10, Linux
Q1/2022	Release date	Q3/2017
489 $	Release price	2400 $

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Intel Core i9-12900T 16C 24T @ 1.40 GHz (4.90 GHz) buy now on Amazon and save! AMD EPYC 7451 24C 48T @ 2.30 GHz (3.20 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks

Intel Core i9-12900T (100%)

AMD EPYC 7451 (47%)

⌀ Multi core performance in 2 CPU benchmarks

Intel Core i9-12900T (100%)

AMD EPYC 7451 (80%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i9-12900T 16C 24T @ 4.90 GHz	1878 (100%)
	AMD EPYC 7451 24C 48T @ 3.20 GHz	884 (47%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i9-12900T 16C 24T @ 3.40 GHz	15450 (100%)
	AMD EPYC 7451 24C 48T @ 2.90 GHz	14671 (95%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.


	Intel Core i9-12900T 16C 24T @ 3.40 GHz	31415 (100%)
	AMD EPYC 7451 24C 48T @ 2.90 GHz	20479 (65%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i9-12900T 16C 24T @ 4.90 GHz	1865 (100%)
	AMD EPYC 7451 24C 48T @ 3.20 GHz	0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i9-12900T 16C 24T @ 3.40 GHz	22804 (100%)
	AMD EPYC 7451 24C 48T @ 2.90 GHz	0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.


	Intel Core i9-12900T 16C 24T @ 4.90 GHz	2499 (100%)
	AMD EPYC 7451 24C 48T @ 3.20 GHz	0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.


	Intel Core i9-12900T 16C 24T @ 3.40 GHz	13240 (100%)
	AMD EPYC 7451 24C 48T @ 2.90 GHz	0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i9-12900T 16C 24T @ 4.90 GHz	0 (0%)
	AMD EPYC 7451 24C 48T @ 3.20 GHz	317 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i9-12900T 16C 24T @ 3.40 GHz	0 (0%)
	AMD EPYC 7451 24C 48T @ 2.90 GHz	6768 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.


	Intel Core i9-12900T Intel UHD Graphics 770 @ 1.55 GHz	794 (100%)
	AMD EPYC 7451 @ 0.00 GHz	0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i9-12900T 16C 24T @ 4.90 GHz	0 (0%)
	AMD EPYC 7451 24C 48T @ 3.20 GHz	141 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i9-12900T 16C 24T @ 3.40 GHz	0 (0%)
	AMD EPYC 7451 24C 48T @ 2.90 GHz	3277 (100%)

Devices using this processor
Intel Core i9-12900T	AMD EPYC 7451
Unknown	Unknown

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