Intel Core i9 7940X X-series (7th Gen) vs. Intel Xeon W-2155

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Core i9 7940X X-series (7th Gen) and Intel Xeon W-2155. 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 i9 7940X X-series (7th Gen) vs. Intel Xeon W-2155 Benchmark Chart
GENERAL Intel Core i9 7940X X-series (7th Gen) Intel Xeon W-2155
Product Type Processor Processor
PROCESSOR Intel Core i9 7940X X-series (7th Gen) Intel Xeon W-2155
Type Intel Core i9 7940X X-series (7th Gen) Intel Xeon W-2155
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2066 Socket LGA2066 Socket
Manufacturing Process - 14 nm
Thermal Design Power 165 W 140 W
Thermal Specification 102 °C -
PCI Express Revision 3.0 -
PCI Express Lanes Qty 44 -
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 Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.2, Intel Turbo Boost Technology 2.0, Intel Advanced Vector Extensions (AVX), Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, 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 TSX-NI, Intel OS Guard, Intel Memory Protection Extensions (MPX), Intel Speed Shift Technology, Intel Advanced Vector Extensions 512 (AVX-512), Intel Volume Management Device (VMD), Intel Boot Guard
PERFORMANCE
Number of Cores 14-core 10-core
Number of Threads 28 threads 20 threads
Clock Speed (Frequency) 3.1 GHz 3.3 GHz
Max Turbo Speed 4.3 GHz 4.5 GHz
CACHE MEMORY
Cache 19.25 MB 13.75 MB
Cache Memory Details L3 - 19.25 MB 13.75 MB
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