Intel Core i7 7820X X-series (7th Gen) vs. Intel Core i7 7740X X-series (7th Gen)

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Core i7 7820X X-series (7th Gen) and Intel Core i7 7740X X-series (7th Gen). Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.

CPUs Specifications Comparison

Intel Core i7 7820X X-series (7th Gen) vs. Intel Core i7 7740X X-series (7th Gen) Benchmark Chart
GENERAL Intel Core i7 7820X X-series (7th Gen) Intel Core i7 7740X X-series (7th Gen)
Product Type Processor Processor
PROCESSOR Intel Core i7 7820X X-series (7th Gen) Intel Core i7 7740X X-series (7th Gen)
Type Intel Core i7 7820X X-series (7th Gen) Intel Core i7 7740X X-series (7th Gen)
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2066 Socket LGA2066 Socket
Manufacturing Process 14 nm 14 nm
Thermal Design Power 140 W 112 W
PCI Express Revision 3.0 3.0
PCI Express Configurations - 1x16, 2x8, 1x8+2x4
PCI Express Lanes Qty 28 16
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) Hyper-Threading Technology, 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 Optane Memory Supported
PERFORMANCE
Number of Cores 8-core Quad-Core
Number of Threads 16 threads 8 threads
Clock Speed (Frequency) 3.6 GHz 4.3 GHz
Max Turbo Speed 4.3 GHz 4.5 GHz
CACHE MEMORY
Cache 11 MB 8 MB
Cache Memory Details L3 - Smart Cache - 11 MB L3 - 8 MB
MISCELLANEOUS Intel Core i7 7820X X-series (7th Gen) Intel Core i7 7740X X-series (7th Gen)
Service & Support Limited warranty - 3 years Limited warranty - 3 years
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