I checked on cpu-z, only 8 cores and 8 threads detected, SMT is disabled on my BIOS.
CPU-Z TXT Report
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Binaries
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CPU-Z version 1.81.1.x64
Processors
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Number of sockets 1
Number of threads 8
APICs
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Socket 0
-- Node 0
-- CCX 0
-- Core 0
-- Thread 0 0
-- Core 1
-- Thread 0 1
-- Core 2
-- Thread 0 2
-- Core 3
-- Thread 0 3
-- CCX 1
-- Core 8
-- Thread 0 8
-- Core 9
-- Thread 0 9
-- Core 10
-- Thread 0 10
-- Core 11
-- Thread 0 11
Timers
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ACPI timer 3.580 MHz
Perf timer 3.509 MHz
Sys timer 1.000 KHz
Processors Information
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Socket 1 ID = 0
Number of cores 8 (max 8)
Number of threads 8 (max 8)
Name AMD Ryzen 7 1800X
Codename Summit Ridge
Specification AMD Ryzen 7 1800X Eight-Core Processor
Package Socket AM4 (1331)
CPUID F.1.1
Extended CPUID 17.1
Core Stepping ZP-B1
Technology 14 nm
TDP Limit 95.0 Watts
Core Speed 3838.1 MHz
Multiplier x Bus Speed 38.5 x 99.7 MHz
Instructions sets MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, x86-64, AMD-V, AES, AVX, AVX2, FMA3, SHA
L1 Data cache 8 x 32 KBytes, 8-way set associative, 64-byte line size
L1 Instruction cache 8 x 64 KBytes, 4-way set associative, 64-byte line size
L2 cache 8 x 512 KBytes, 8-way set associative, 64-byte line size
L3 cache 2 x 8 MBytes, 16-way set associative, 64-byte line size
Max CPUID level 0000000Dh
Max CPUID ext. level 8000001Fh
Cache descriptor Level 1, D, 32 KB, 1 thread(s)
Cache descriptor Level 1, I, 64 KB, 1 thread(s)
Cache descriptor Level 2, U, 512 KB, 1 thread(s)
Cache descriptor Level 3, U, 8 MB, 4 thread(s)
FID/VID Control yes
