Intel Core i7 7820X X-series (7th Gen) vs. AMD Ryzen 9 7900X

CPU Comparison, Reviews and Tests

Detailed comparison and review of Intel Core i7 7820X X-series (7th 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 i7 7820X X-series (7th Gen) vs. AMD Ryzen 9 7900X Benchmark Chart
GENERAL Intel Core i7 7820X X-series (7th Gen) AMD Ryzen 9 7900X
Product Type Processor Processor
PROCESSOR Intel Core i7 7820X X-series (7th Gen) AMD Ryzen 9 7900X
Type Intel Core i7 7820X X-series (7th Gen) AMD Ryzen 9 7900X
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2066 Socket Socket AM5
Manufacturing Process 14 nm 5 nm
Thermal Design Power 140 W 170 W
Thermal Specification - 95 °C
PCI Express Revision 3.0 4.0
PCI Express Lanes Qty 28 -
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Intel Virtualization Technology for Directed I/O (VT-d), Intel Advanced Vector Extensions 2 (AVX2.0), Intel Turbo Boost Max Technology 3.0, Intel Optane Memory Supported, Intel Advanced Vector Extensions 512 (AVX-512) 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) 3.6 GHz 4.7 GHz
Max Turbo Speed 4.3 GHz 5.6 GHz
CACHE MEMORY
Cache 11 MB 64 MB
Cache Memory Details L3 - Smart Cache - 11 MB L1 - 768 KB
L2 - 12 MB
L3 - 64 MB
INTEGRATED GRAPHICS (GPU) Intel Core i7 7820X X-series (7th Gen) AMD Ryzen 9 7900X
Type - Radeon Graphics
Base Frequency - 400 MHz
Max Dynamic Frequency - 2.2 GHz
MISCELLANEOUS Intel Core i7 7820X X-series (7th Gen) AMD Ryzen 9 7900X
Service & Support Limited warranty - 3 years Limited warranty - parts and labour - 3 years
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