AMD Ryzen 9 3900XT VS Intel Core i5-11400F

Comparison of video cards AMD Ryzen 9 3900XT vs Intel Core i5-11400F in benchmarks and specifications.

Differences Specifications Benchmarks

Differences

Top features of Intel Core i5-11400F

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Performance per watt

65 W 105 W

About 1.62 0.97 times less performance per watt

Top features of AMD Ryzen 9 3900XT

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Higher clock speed

4.10 GHz 2.60 GHz

Around 37% better clock speed
More number of cores

12 6

2 times more cores
Higher turbo clock speed

4.70 GHz 4.40 GHz

Around 6 % better overclocked clock speed

Specifications

Complete list of technical specifications

Intel Core i5-11400F AMD Ryzen 9 3900XT

CPU generation and family

Let's find out which one of Intel Core i5-11400F and AMD Ryzen 9 3900XT is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	Intel Core i5-11400F AMD Ryzen 9 3900XT
Segment	Desktop / Server Desktop / Server
Family	Intel Core i5 AMD Ryzen
Generation	11 3
CPU group	Intel Core i 11000 AMD Ryzen 3000
Predecessor	Intel Core i5-10400F --

CPU Cores and Base Frequency

In this block we are going to compare Intel Core i5-11400F vs AMD Ryzen 9 3900XT 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	2.60 GHz 4.10 GHz
CPU Cores	6 12
Turbo (1 Core)	4.40 GHz 4.70 GHz
CPU Threads	12 24
Hyperthreading	Yes Yes
Overclocking	No Yes
Core architecture	normal normal

Internal Graphics

Common specifications for integrated graphics cards in Intel Core i5-11400F and AMD Ryzen 9 3900XT 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 Intel Core i5-11400F and AMD Ryzen 9 3900XT. 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 Intel Core i5-11400F and AMD Ryzen 9 3900XT 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	No Yes
Memory channels	2 2
PCIe version	4.0 4.0
PCIe lanes	20 20

Encryption

AES-NI encryption support for CPUs Intel Core i5-11400F and AMD Ryzen 9 3900XT.

Specification	Value
AES-NI	Yes Yes

Thermal Management

Let's find out what TDP value would be better for Intel Core i5-11400F or AMD Ryzen 9 3900XT? 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 105 W
TDP (PL2)	-- 142 W
Tjunction max.	100 °C 95 °C

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Core i5-11400F and AMD Ryzen 9 3900XT CPUs along with a list of ISA extensions.

Specification	Value
Instruction set (ISA)	x86-64 (64 bit) x86-64 (64 bit)
Virtualization	VT-x, VT-x EPT, VT-d AMD-V, SVM
ISA extensions	SSE4.1, SSE4.2, AVX2, AVX-512 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
L2-Cache	3.00 MB --
L3-Cache	12.00 MB 64.00 MB
Architecture	Rocket Lake S Matisse (Zen 2)
Technology	14 nm 7 nm
Socket	LGA 1200 AM4
Release date	Q1/2021 Q2/2020