Intel Core i3-11100B vs AMD Ryzen 9 3900XT

Comparative analysis of Intel Core i3-11100B 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 i3-11100B

AMD Ryzen 9 3900XT

Differences

Reasons to consider the Intel Core i3-11100B

Around 62% lower typical power consumption: 65 Watt vs 105 Watt
Around 6% better performance in PassMark - Single thread mark: 2912 vs 2748

Specifications (specs)
Thermal Design Power (TDP)	65 Watt vs 105 Watt
Benchmarks
PassMark - Single thread mark	2912 vs 2748

Reasons to consider the AMD Ryzen 9 3900XT

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 7% higher clock speed: 4.7 GHz vs 4.40 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm SuperFin
2.9x better performance in PassMark - CPU mark: 32740 vs 11357

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	4.7 GHz vs 4.40 GHz
Manufacturing process technology	7 nm vs 10 nm SuperFin
Benchmarks
PassMark - CPU mark	32740 vs 11357

Compare benchmarks

CPU 1: Intel Core i3-11100B
CPU 2: AMD Ryzen 9 3900XT

PassMark - Single thread mark

CPU 1

CPU 2

2912

2748

PassMark - CPU mark

CPU 1

CPU 2

11357

32740

Name	Intel Core i3-11100B	AMD Ryzen 9 3900XT
PassMark - Single thread mark	2912	2748
PassMark - CPU mark	11357	32740
3DMark Fire Strike - Physics Score		8585

Compare specifications (specs)

	Intel Core i3-11100B	AMD Ryzen 9 3900XT
Essentials
Architecture codename	Tiger Lake	Zen 2
Launch date	Q2'21	July 2020
Place in performance rating	621	627
Processor Number	i3-11100B
Series	11th Generation Intel Core i3 Processors
Status	Launched
Vertical segment	Desktop	Desktop
OPN PIB		100-100000277WOF
Performance
64 bit support
Base frequency	3.60 GHz	3.8 GHz
Bus Speed	8 GT/s
Manufacturing process technology	10 nm SuperFin	7 nm
Maximum core temperature	100°C
Maximum frequency	4.40 GHz	4.7 GHz
L2 cache		6 MB
L3 cache		64 MB
Number of cores		12
Number of threads		24
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	51.2 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	Up to 3200 MT/s	DDR4-3200
ECC memory support
Graphics
Execution Units	16
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.40 GHz
Intel® Quick Sync Video
Processor graphics	Intel UHD Graphics for 11th Gen Intel Processors
Graphics interfaces
Number of displays supported	4
Graphics image quality
4K resolution support
Max resolution over DisplayPort	7680x4320@60Hz
Max resolution over eDP	4096 x 2304@60Hz
Graphics API support
DirectX	12
OpenGL	4.6
Compatibility
Configurable TDP-up	65 Watt
Max number of CPUs in a configuration	1
Package Size	50mm x 26.5mm
Thermal Design Power (TDP)	65 Watt	105 Watt
Sockets supported		AM4
Peripherals
Max number of PCIe lanes	20	20
PCIe configurations	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
PCI Express revision		4.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
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® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
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)