AMD Ryzen 7 5800X3D vs Intel Core i9-11900KB

Comparative analysis of AMD Ryzen 7 5800X3D and Intel Core i9-11900KB processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the AMD Ryzen 7 5800X3D

  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm SuperFin
  • 4x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 24% better performance in PassMark - CPU mark: 28292 vs 22901
Specifications (specs)
Manufacturing process technology 7 nm vs 10 nm SuperFin
L3 cache 96 MB vs 24 MB
Benchmarks
PassMark - CPU mark 28292 vs 22901

Reasons to consider the Intel Core i9-11900KB

  • Around 9% higher clock speed: 4.90 GHz vs 4.5 GHz
  • Around 11% higher maximum core temperature: 100°C vs 90 °C
  • Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
  • 2.5x 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 2% better performance in PassMark - Single thread mark: 3304 vs 3231
  • Around 5% better performance in 3DMark Fire Strike - Physics Score: 7658 vs 7297
Specifications (specs)
Maximum frequency 4.90 GHz vs 4.5 GHz
Maximum core temperature 100°C vs 90 °C
L1 cache 768 KB vs 512 KB
L2 cache 10 MB vs 4 MB
Thermal Design Power (TDP) 65 Watt vs 105 Watt
Benchmarks
PassMark - Single thread mark 3304 vs 3231
3DMark Fire Strike - Physics Score 7658 vs 7297

Compare benchmarks

CPU 1: AMD Ryzen 7 5800X3D
CPU 2: Intel Core i9-11900KB

PassMark - Single thread mark
CPU 1
CPU 2
3231
3304
PassMark - CPU mark
CPU 1
CPU 2
28292
22901
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
7297
7658
Name AMD Ryzen 7 5800X3D Intel Core i9-11900KB
PassMark - Single thread mark 3231 3304
PassMark - CPU mark 28292 22901
3DMark Fire Strike - Physics Score 7297 7658

Compare specifications (specs)

AMD Ryzen 7 5800X3D Intel Core i9-11900KB

Essentials

Architecture codename Zen 3 Tiger Lake
Launch date 20 Apr 2022 Q2'21
Launch price (MSRP) $449 $539
OPN PIB 100-100000651WOF
OPN Tray 100-000000651
Place in performance rating 580 587
Vertical segment Desktop Desktop
Processor Number i9-11900KB
Series 11th Generation Intel Core i9 Processors
Status Launched

Performance

Base frequency 3.4 GHz 3.30 GHz
Die size 74 mm²
L1 cache 512 KB 768 KB
L2 cache 4 MB 10 MB
L3 cache 96 MB 24 MB
Manufacturing process technology 7 nm 10 nm SuperFin
Maximum core temperature 90 °C 100°C
Maximum frequency 4.5 GHz 4.90 GHz
Number of cores 8 8
Number of threads 16 16
Unlocked
64 bit support
Bus Speed 8 GT/s

Memory

ECC memory support
Max memory channels 2 2
Supported memory types DDR4-3200 Up to 3200 MT/s
Maximum memory bandwidth 51.2 GB/s
Maximum memory size 128 GB

Compatibility

Max number of CPUs in a configuration 1 1
Sockets supported AM4 FCBGA1787
Thermal Design Power (TDP) 105 Watt 65 Watt
Configurable TDP-down 55 Watt
Configurable TDP-up 65 Watt
Package Size 50mm x 26.5mm

Peripherals

Max number of PCIe lanes 20 20
PCI Express revision 4.0
PCIe configurations Up to 1x16+1x4, 2x8+1x4, 1x8+3x4

Advanced Technologies

AMD SenseMI
AMD StoreMI technology
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel 64
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Speed Shift technology
Thermal Monitoring

Virtualization

AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)

Graphics

Execution Units 32
Graphics base frequency 350 MHz
Graphics max dynamic frequency 1.45 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

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