Intel Core i5-12400 vs AMD Ryzen 9 3900XT

Comparative analysis of Intel Core i5-12400 and AMD Ryzen 9 3900XT processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

Intel Core i5-12400

AMD Ryzen 9 3900XT

Differences

Reasons to consider the Intel Core i5-12400

CPU is newer: launch date 1 year(s) 6 month(s) later
Around 25% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 62% lower typical power consumption: 65 Watt vs 105 Watt
Around 28% better performance in PassMark - Single thread mark: 3529 vs 2749

Specifications (specs)
Launch date	4 Jan 2022 vs July 2020
L2 cache	7.5 MB vs 6 MB
Thermal Design Power (TDP)	65 Watt vs 105 Watt
Benchmarks
PassMark - Single thread mark	3529 vs 2749

Reasons to consider the AMD Ryzen 9 3900XT

Processor is unlocked, an unlocked multiplier allows for easier overclocking
6 more cores, run more applications at once: 12 vs 6
12 more threads: 24 vs 12
Around 7% higher clock speed: 4.7 GHz vs 4.40 GHz
3.6x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 69% better performance in PassMark - CPU mark: 32739 vs 19417
Around 45% better performance in 3DMark Fire Strike - Physics Score: 8585 vs 5938

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	12 vs 6
Number of threads	24 vs 12
Maximum frequency	4.7 GHz vs 4.40 GHz
L3 cache	64 MB vs 18 MB
Benchmarks
PassMark - CPU mark	32739 vs 19417
3DMark Fire Strike - Physics Score	8585 vs 5938

Compare benchmarks

CPU 1: Intel Core i5-12400
CPU 2: AMD Ryzen 9 3900XT

PassMark - Single thread mark

CPU 1

CPU 2

3529

2749

PassMark - CPU mark

CPU 1

CPU 2

19417

32739

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

5938

8585

Name	Intel Core i5-12400	AMD Ryzen 9 3900XT
PassMark - Single thread mark	3529	2749
PassMark - CPU mark	19417	32739
3DMark Fire Strike - Physics Score	5938	8585

Compare specifications (specs)

	Intel Core i5-12400	AMD Ryzen 9 3900XT
Essentials
Architecture codename	Alder Lake	Zen 2
Launch date	4 Jan 2022	July 2020
Launch price (MSRP)	$221
Place in performance rating	615	624
Processor Number	i5-12400
Series	12th Generation Intel Core i5 Processors
Vertical segment	Desktop	Desktop
OPN PIB		100-100000277WOF
Performance
64 bit support
L1 cache	480 KB
L2 cache	7.5 MB	6 MB
L3 cache	18 MB	64 MB
Manufacturing process technology	7 nm	7 nm
Maximum core temperature	100°C
Maximum frequency	4.40 GHz	4.7 GHz
Number of cores	6	12
Number of threads	12	24
Base frequency		3.8 GHz
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	76.8 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s	DDR4-3200
ECC memory support
Graphics
Device ID	0x4692 / 0x4682
Execution Units	24
Graphics base frequency	300 MHz
Graphics max dynamic frequency	1.45 GHz
Intel® Clear Video HD technology
Intel® Quick Sync Video
Processor graphics	Intel UHD Graphics 730
Graphics interfaces
Number of displays supported	4
Graphics image quality
Max resolution over DisplayPort	7680 x 4320 @ 60Hz
Max resolution over eDP	5120 x 3200 @ 120Hz
Graphics API support
DirectX	12
OpenGL	4.5
Compatibility
Max number of CPUs in a configuration	1
Package Size	45.0 mm x 37.5 mm
Sockets supported	FCLGA1700	AM4
Thermal Design Power (TDP)	65 Watt	105 Watt
Thermal Solution	PCG 2020C
Peripherals
Max number of PCIe lanes	20	20
PCI Express revision	5.0 and 4.0	4.0
PCIe configurations	Up to 1x16+4, 2x8+4
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)