Conclusion
SMT Off (12 Threads) SMT On (16 Threads) The Delta
Total Score (Tot) 27,967 MIPS 40,205 MIPS +43.7% with SMT On
Avg Compression 35,226 MIPS 51,059 MIPS +44.9% with SMT On
Avg Decompression 20,708 MIPS 29,351 MIPS +41.7% with SMT On
Max 1T Freq (Single Core) ~4354 MHz ~4379 MHz Virtually identical
Benchmark without hyperthread
7-Zip 26.01 (x64) : Copyright (c) 1999-2026 Igor Pavlov : 2026-04-27
64-bit locale=en_US.UTF-8 Threads:16 OPEN_MAX:4096
Compiler: ver:16.1.1 20260515 (Red Hat 16.1.1-2) GCC 16.1.1 : SSE2
Linux : 7.0.12-201.fc44.x86_64 : #1 SMP PREEMPT_DYNAMIC Thu Jun 11 01:30:16 UTC 2026 : x86_64
PageSize:4KB HPS:2MB THPS:2MB THP:madvise hwcap:2 hwcap2:2
12th Gen Intel(R) Core(TM) i5-1240P
(906A3) (LP)
1T CPU Freq (MHz): 3093 3992 3707 4310 4347 4325 4354
6T CPU Freq (MHz): 578% 3288 574% 3285
12T CPU Freq (MHz): 973% 2594 838% 2248
RAM size: 15676 MB (LP), # CPU hardware threads: 12 / 16 : FF55
RAM usage: 2669 MB (LP), # Benchmark threads: 12
Compressing | Decompressing
Dict Speed Usage R/U Rating | Speed Usage R/U Rating
KiB/s % MIPS MIPS | KiB/s % MIPS MIPS
22: 59717 976 5951 58093 | 304017 1133 2288 25923
23: 29297 934 3196 29851 | 247248 1138 1880 21388
24: 27530 927 3192 29601 | 208846 1104 1659 18325
25: 20460 933 2504 23361 | 193263 1125 1528 17195
---------------------------------- | ------------------------------
Avr: 34251 943 3711 35226 | 238344 1125 1839 20708
Tot: 1034 2775 27967
With hyperthreading
1T CPU Freq (MHz): 3305 4204 4333 4347 4367 4379 4378
8T CPU Freq (MHz): 769% 3238 761% 3162
16T CPU Freq (MHz): 1041% 2098 1558% 3073
RAM size: 15676 MB (LP), # CPU hardware threads: 16
RAM usage: 3559 MB (LP), # Benchmark threads: 16
Compressing | Decompressing
Dict Speed Usage R/U Rating | Speed Usage R/U Rating
KiB/s % MIPS MIPS | KiB/s % MIPS MIPS
22: 70657 1369 5022 68735 | 432269 1452 2538 36860
23: 49188 1285 3901 50117 | 404803 1444 2425 35018
24: 40186 1344 3215 43208 | 320151 1466 1916 28091
25: 36937 1366 3087 42174 | 195977 1550 1125 17436
---------------------------------- | ------------------------------
Avr: 49242 1341 3806 51059 | 338300 1478 2001 29351
Tot: 1409 2904 40205
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