AMD Ryzen 7 3700X VS Intel Core i9-11900KF

Comparison of video cards AMD Ryzen 7 3700X vs Intel Core i9-11900KF in benchmarks and specifications.

Differences Specifications Benchmarks

Differences

Top features of AMD Ryzen 7 3700X

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Higher clock speed

3.60 GHz 3.50 GHz

Around -3% better clock speed
Performance per watt

65 W 125 W

About 1.92 0.97 times less performance per watt

Top features of Intel Core i9-11900KF

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Higher turbo clock speed

5.30 GHz 4.40 GHz

Around 17 % better overclocked clock speed

Specifications

Complete list of technical specifications

AMD Ryzen 7 3700X Intel Core i9-11900KF

CPU generation and family

Let's find out which one of AMD Ryzen 7 3700X and Intel Core i9-11900KF is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	AMD Ryzen 7 3700X Intel Core i9-11900KF
Segment	Desktop / Server Desktop / Server
Family	AMD Ryzen Intel Core i9
Generation	3 11
CPU group	AMD Ryzen 3000 Intel Core i 11000
Predecessor	AMD Ryzen 7 2700X Intel Core i9-10900KF
Successor	-- Intel Core i9-12900KF

CPU Cores and Base Frequency

In this block we are going to compare AMD Ryzen 7 3700X vs Intel Core i9-11900KF by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

Specification	Value
Frequency	3.60 GHz 3.50 GHz
CPU Cores	8 8
Turbo (1 Core)	4.40 GHz 5.30 GHz
CPU Threads	16 16
Turbo (8 Cores)	4.00 GHz 4.80 GHz
Hyperthreading	Yes Yes
Overclocking	Yes Yes
Core architecture	normal normal

Internal Graphics

Common specifications for integrated graphics cards in AMD Ryzen 7 3700X and Intel Core i9-11900KF along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

Specification	Value
GPU name	no iGPU no iGPU
GPU (Turbo)	No turbo No turbo

Hardware codec support

Let's compare the support of video codecs between AMD Ryzen 7 3700X and Intel Core i9-11900KF. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

Specification	Value
h265 / HEVC (8 bit)	No No
h265 / HEVC (10 bit)	No No
h264	No No
VP9	No No
VP8	No No
AV1	No No
AVC	No No
VC-1	No No
JPEG	No No

Memory & PCIe

To choose the best model between AMD Ryzen 7 3700X and Intel Core i9-11900KF you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

Specification	Value
Memory type	DDR4-3200 DDR4-3200
Max. Memory	128 GB 128 GB
ECC	Yes No
Memory channels	2 2
PCIe version	4.0 4.0
PCIe lanes	20 20

Encryption

AES-NI encryption support for CPUs AMD Ryzen 7 3700X and Intel Core i9-11900KF.

Specification	Value
AES-NI	Yes Yes

Thermal Management

Let's find out what TDP value would be better for AMD Ryzen 7 3700X or Intel Core i9-11900KF? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

Specification	Value
TDP (PL1)	65 W 125 W
TDP (PL2)	-- 251 W / 56 s
TDP down	-- 95 W
Tjunction max.	95 °C 100 °C

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Ryzen 7 3700X and Intel Core i9-11900KF CPUs along with a list of ISA extensions.

Specification	Value
Instruction set (ISA)	x86-64 (64 bit) x86-64 (64 bit)
Virtualization	AMD-V, SVM VT-x, VT-x EPT, VT-d
ISA extensions	SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4.1, SSE4.2, AVX2, AVX-512
L2-Cache	-- 4.00 MB
L3-Cache	32.00 MB 16.00 MB
Architecture	Matisse (Zen 2) Rocket Lake S
Technology	7 nm 14 nm
Socket	AM4 LGA 1200
Release date	Q3/2019 Q1/2021