EFFICIENCY

Processors Low efficiency

Explore 1353 processors indexed under Low efficiency and scan their key platform, core, power and benchmark data in one place. This overview maps the available range before the performance ranking and decision guidance below.

1,353 processorslow-efficiency

Selection guide

How to choose from Low efficiency

This page groups 1353 processors classified under Low efficiency. Low efficiency classifies processors by the available relationship between performance and power. Use the catalog to shortlist candidates, then compare real performance and workload-relevant specifications rather than relying on the category label alone.

3 brands 1–72 cores 2,063 average CPU Mark 3.00–350.00 W TDP

What this category shows

Low efficiency classifies processors by the available relationship between performance and power.

What to compare

Compare CPU Mark per watt with absolute performance and real platform power limits.

Check before choosing

The estimate uses TDP when standardized wall-power measurements are unavailable.

By CPU Mark

Performance ranking

The table ranks the strongest Low efficiency processors by the CPU Mark available in CPULoom. It is useful for broad performance comparisons, while the single-thread result adds context for less-parallel work.

  1. 01 Intel Core 7 253PQE 10C / 20T 37,760CPU Mark
  2. 02 Intel Core i5-12600HE 12C / —T 20,256CPU Mark
  3. 03 Intel Core i5-12500E 6C / 12T 19,603CPU Mark
  4. 04 Intel Xeon Phi 7290 @ 1.50GHz 72C / 288T 17,839CPU Mark
  5. 05 AMD Ryzen Embedded V2748 8C / 16T 16,945CPU Mark

FAQ

Frequently asked questions

What does the Low efficiency category mean?

This efficiency category groups processors associated with Low efficiency. Low efficiency classifies processors by the available relationship between performance and power.

What is the fastest processor in Low efficiency?

The performance ranking highlights the highest available CPU Mark in this category. The best practical choice can differ by application, single-thread speed, power, cooling and price.

How should I compare Low efficiency processors?

Compare CPU Mark per watt with absolute performance and real platform power limits. Open each processor page for full specifications or add close candidates to the comparison tool.

Is this category enough to make a buying decision?

No. The estimate uses TDP when standardized wall-power measurements are unavailable. Also verify motherboard and memory compatibility, cooling requirements and benchmarks relevant to your software.

This summary is calculated from processor records linked to the category. Performance results are broad comparison indicators and can vary with system, power and cooling. Latest data update:

Processor catalog

Low efficiency

Showing 1249–1272 of 1,353

1249CPUIntel Pentium 4 2.60GHzIntel · DesktopCores / threads1 / 2Clock—TDP69 WCPU Mark2231250CPUIntel Pentium M 1.86GHzIntel · LaptopCores / threads1 / 1Clock—TDP27 WCPU Mark2221251CPUIntel Celeron M 360 1.40GHzIntel · LaptopCores / threads1 / 1Clock—TDP21 WCPU Mark2211252CPUMobile Intel Pentium 4 3.06GHzUnknown · DesktopCores / threads1 / 2Clock—TDP82 WCPU Mark2201253CPUIntel Core Solo T1300 @ 1.66GHzIntel · LaptopCores / threads1 / 1Clock—TDP27 WCPU Mark2101254CPUIntel Celeron 220 @ 1.20GHzIntel · DesktopCores / threads1 / 1Clock—TDP19 WCPU Mark2091255CPUIntel Pentium M 1400MHzIntel · LaptopCores / threads1 / 1Clock—TDP22 WCPU Mark2081256CPUMobile Intel Pentium 4 2.80GHzUnknown · DesktopCores / threads1 / 2Clock—TDP70 WCPU Mark2051257CPUIntel Pentium M 1.73GHzIntel · LaptopCores / threads1 / 1Clock—TDP27 WCPU Mark2051258CPUIntel Core2 Solo U2200 @ 1.20GHzIntel · LaptopCores / threads1 / 1Clock—TDP6 WCPU Mark2031259CPUIntel Pentium III 1266S @ 1266MHzIntel · DesktopCores / threads1 / 1Clock—TDP30 WCPU Mark2011260CPUIntel Atom N450 @ 1.66GHzIntel · LaptopCores / threads1 / 2Clock—TDP6 WCPU Mark2001261CPUIntel Celeron 723 @ 1.20GHzIntel · LaptopCores / threads1 / 1Clock—TDP10 WCPU Mark1991262CPUVIA Nano U2500@1200MHzUnknown · LaptopCores / threads1 / 1Clock—TDP7 WCPU Mark1991263CPUIntel Pentium M 1300MHzIntel · LaptopCores / threads1 / 1Clock—TDP22 WCPU Mark1971264CPUIntel Pentium M 1.30GHzIntel · LaptopCores / threads1 / 1Clock—TDP22 WCPU Mark1961265CPUAMD Athlon XP 1800+AMD · DesktopCores / threads1 / 1Clock—TDP66 WCPU Mark1951266CPUAMD Athlon XP 2000+AMD · DesktopCores / threads1 / 1Clock—TDP70 WCPU Mark1951267CPUAMD E-240AMD · LaptopCores / threads1 / 1Clock—TDP18 WCPU Mark1951268CPUIntel Core Solo T1350 @ 1.86GHzIntel · LaptopCores / threads1 / 1Clock—TDP31 WCPU Mark1941269CPUIntel Pentium III 1400S @ 1400MHzIntel · DesktopCores / threads1 / 1Clock—TDP32 WCPU Mark1941270CPUIntel Pentium M 1.60GHzIntel · LaptopCores / threads1 / 1Clock—TDP25 WCPU Mark1941271CPUIntel Pentium III 1400 @ 1400MHzIntel · DesktopCores / threads1 / 1Clock—TDP31 WCPU Mark1931272CPUMobile AMD Athlon XP-M 1800+Unknown · LaptopCores / threads1 / 1Clock—TDP45 WCPU Mark193