AMD EPYC 72F3 vs Intel Core i9-11900KB

Last updated: 2024-04-10

CPU comparison with benchmarks


AMD EPYC 72F3		Intel Core i9-11900KB
CPU comparison AMD EPYC 72F3 or Intel Core i9-11900KB - 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 AMD EPYC 72F3 has 8 cores with 16 threads and clocks with a maximum frequency of 4.10 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 72F3 was released in Q1/2021. The Intel Core i9-11900KB has 8 cores with 16 threads and clocks with a maximum frequency of 5.30 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i9-11900KB was released in Q2/2021.

AMD EPYC (129)	Family	Intel Core i9 (78)
AMD EPYC 7003 (29)	CPU group	Intel Core i 11000H (17)
3	Generation	11
Milan (Zen 3)	Architecture	Tiger Lake H
Desktop / Server	Segment	Mobile
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The AMD EPYC 72F3 has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD EPYC 72F3 is 3.70 GHz (4.10 GHz) while the Intel Core i9-11900KB has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Core i9-11900KB is at 3.30 GHz (5.30 GHz).
AMD EPYC 72F3	Characteristic	Intel Core i9-11900KB
8	Cores	8
16	Threads	16
normal	Core architecture	normal
Yes	Hyperthreading	Yes
No	Overclocking ?	Yes
3.70 GHz	Frequency	3.30 GHz
4.10 GHz	Turbo Frequency (1 Core)	5.30 GHz
3.90 GHz	Turbo Frequency (All Cores)	4.90 GHz

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.
AMD EPYC 72F3	Characteristic	Intel Core i9-11900KB
--	AI hardware	--
--	AI specifications	--

Internal Graphics The AMD EPYC 72F3 or Intel Core i9-11900KB has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
no iGPU	GPU	Intel UHD Graphics 11th Gen (32 EU)
	GPU frequency	0.35 GHz
--	GPU (Turbo)	1.45 GHz
--	GPU Generation	11
	Technology	10 nm
	Max. displays	3
--	Compute units	32
--	Shader	256
No	Hardware Raytracing	No
No	Frame Generation	No
--	Max. GPU Memory	64 GB
--	DirectX Version	12

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.
no iGPU	GPU	Intel UHD Graphics 11th Gen (32 EU)
No	Codec h265 / HEVC (8 bit)	Decode / Encode
No	Codec h265 / HEVC (10 bit)	Decode / Encode
No	Codec h264	Decode / Encode
No	Codec VP9	Decode / Encode
No	Codec VP8	Decode / Encode
No	Codec AV1	Decode
No	Codec AVC	Decode / Encode
No	Codec VC-1	Decode
No	Codec JPEG	Decode / Encode

Memory & PCIe The AMD EPYC 72F3 can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 204.8 GB/s. The Intel Core i9-11900KB supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s.
AMD EPYC 72F3	Characteristic	Intel Core i9-11900KB
DDR4-3200	Memory	DDR4-3200
4096 GB	Max. Memory	128 GB
8 (Octa Channel)	Memory channels	2 (Dual Channel)
204.8 GB/s	Max. Bandwidth	51.2 GB/s
Yes	ECC	No
--	L2 Cache	4.00 MB
256.00 MB	L3 Cache	20.00 MB
4.0	PCIe version	3.0
128	PCIe lanes	16
252.0 GB/s	PCIe Bandwidth	15.8 GB/s
Thermal Management The thermal design power (TDP for short) of the AMD EPYC 72F3 is 180 W, while the Intel Core i9-11900KB has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD EPYC 72F3	Characteristic	Intel Core i9-11900KB
180 W	TDP (PL1 / PBP)	65 W
--	TDP (PL2)	--
200 W	TDP up	--
165 W	TDP down	55 W
--	Tjunction max.	100 °C
Technical details The AMD EPYC 72F3 is manufactured in 7 nm and has 256.00 MB cache. The Intel Core i9-11900KB is manufactured in 10 nm and has a 24.00 MB cache.
AMD EPYC 72F3	Characteristic	Intel Core i9-11900KB
7 nm	Technology	10 nm
Chiplet	Chip design	Monolithic
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3	ISA extensions	SSE4.1, SSE4.2, AVX2, AVX-512
SP3	Socket	BGA 1787
AMD-V, SVM	Virtualization	VT-x, VT-x EPT, VT-d
Yes	AES-NI	Yes
Windows 10, Linux	Operating systems	Windows 10, Windows 11, Linux
Q1/2021	Release date	Q2/2021
2468 $	Release price	583 $

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AMD EPYC 72F3 8C 16T @ 3.70 GHz (4.10 GHz) buy now on Amazon and save! Intel Core i9-11900KB 8C 16T @ 3.30 GHz (5.30 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks

AMD EPYC 72F3 (81%)

Intel Core i9-11900KB (100%)

⌀ Multi core performance in 1 CPU benchmarks

AMD EPYC 72F3 (100%)

Intel Core i9-11900KB (85%)

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.


	AMD EPYC 72F3 8C 16T @ 4.10 GHz	1512 (81%)
	Intel Core i9-11900KB 8C 16T @ 5.30 GHz	1878 (100%)

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.


	AMD EPYC 72F3 8C 16T @ 3.90 GHz	27253 (100%)
	Intel Core i9-11900KB 8C 16T @ 4.90 GHz	23151 (85%)

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.


	AMD EPYC 72F3 8C 16T @ 4.10 GHz	0 (0%)
	Intel Core i9-11900KB 8C 16T @ 5.30 GHz	1663 (100%)

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.


	AMD EPYC 72F3 8C 16T @ 3.90 GHz	0 (0%)
	Intel Core i9-11900KB 8C 16T @ 4.90 GHz	12264 (100%)

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.


	AMD EPYC 72F3 8C 16T @ 3.90 GHz	13080 (100%)
	Intel Core i9-11900KB 8C 16T @ 4.90 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.


	AMD EPYC 72F3 8C 16T @ 4.10 GHz	0 (0%)
	Intel Core i9-11900KB 8C 16T @ 5.30 GHz	2231 (100%)

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.


	AMD EPYC 72F3 8C 16T @ 3.90 GHz	0 (0%)
	Intel Core i9-11900KB 8C 16T @ 4.90 GHz	10645 (100%)

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.


	AMD EPYC 72F3 8C 16T @ 4.10 GHz	0 (0%)
	Intel Core i9-11900KB 8C 16T @ 5.30 GHz	640 (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.


	AMD EPYC 72F3 8C 16T @ 3.90 GHz	0 (0%)
	Intel Core i9-11900KB 8C 16T @ 4.90 GHz	4712 (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.


	AMD EPYC 72F3 @ 0.00 GHz	0 (0%)
	Intel Core i9-11900KB Intel UHD Graphics 11th Gen (32 EU) @ 1.45 GHz	742 (100%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.


	AMD EPYC 72F3 8C 16T @ 3.90 GHz	0 (0%)
	Intel Core i9-11900KB 8C 16T @ 4.90 GHz	200 (100%)

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.


	AMD EPYC 72F3 8C 16T @ 4.10 GHz	0 (0%)
	Intel Core i9-11900KB 8C 16T @ 5.30 GHz	256 (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.


	AMD EPYC 72F3 8C 16T @ 3.90 GHz	0 (0%)
	Intel Core i9-11900KB 8C 16T @ 4.90 GHz	2144 (100%)

Devices using this processor
AMD EPYC 72F3	Intel Core i9-11900KB
Unknown	Unknown

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