Intel Core i9 11900K (11th Gen) vs. AMD Ryzen 9 7900X

CPU Comparison, Reviews and Tests

Detailed comparison and review of Intel Core i9 11900K (11th Gen) and AMD Ryzen 9 7900X. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.

CPUs Specifications Comparison

Intel Core i9 11900K (11th Gen) vs. AMD Ryzen 9 7900X Benchmark Chart
GENERAL Intel Core i9 11900K (11th Gen) AMD Ryzen 9 7900X
Product Type Processor Processor
PROCESSOR Intel Core i9 11900K (11th Gen) AMD Ryzen 9 7900X
Type Intel Core i9 11900K (11th Gen) AMD Ryzen 9 7900X
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1200 Socket Socket AM5
Manufacturing Process 14 nm 5 nm
Thermal Design Power 125 W 170 W
Thermal Specification 100 °C 95 °C
PCI Express Revision 4.0 4.0
PCI Express Configurations 1x16+1x4, 1x8+3x4, 2x8+1x4 -
PCI Express Lanes Qty 20 -
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Identity Protection Technology, Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel OS Guard, Intel Turbo Boost Max Technology 3.0, Intel Optane Memory Supported, Intel Advanced Vector Extensions 512 (AVX-512), Intel Boot Guard, Intel Thermal Velocity Boost, Intel Deep Learning Boost (DL Boost), Intel vPro Platform Eligibility, Intel Gaussian and Neural Accelerator 2.0, Instruction Set 64-bit, Intel SSE4.1, Intel SSE4.2, Intel Stable IT Platform Program (SIPP) AMD Ryzen Master Utility, AMD EXPO Technology, AMD RyzenTechnologies, "Zen 4" Core Architecture
PERFORMANCE
Number of Cores 8-core 12-core
Number of Threads 16 threads 24 threads
Clock Speed (Frequency) 3.5 GHz 4.7 GHz
Max Turbo Speed 5.3 GHz 5.6 GHz
Bus Speed 8 GT/s -
CACHE MEMORY
Cache 16 MB 64 MB
Cache Memory Details Smart Cache - 16 MB L1 - 768 KB
L2 - 12 MB
L3 - 64 MB
INTEGRATED GRAPHICS (GPU) Intel Core i9 11900K (11th Gen) AMD Ryzen 9 7900X
Type Intel UHD Graphics 750 Radeon Graphics
Base Frequency 350 MHz 400 MHz
Max Dynamic Frequency 1.3 GHz 2.2 GHz
Max Supported Memory Size 64 GB -
Max Supported Resolution 5120x3200@60Hz (DP), 5120x3200@60Hz (eDP) -
Features Intel Clear Video Technology, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video -
MISCELLANEOUS Intel Core i9 11900K (11th Gen) AMD Ryzen 9 7900X
Service & Support Limited warranty - 3 years Limited warranty - parts and labour - 3 years
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