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 289–312 of 1,353

289CPUAMD Phenom II X4 965AMD · DesktopCores / threads4 / 4Clock—TDP125 WCPU Mark2,678290CPUIntel Xeon E5540 @ 2.53GHzIntel · ServerCores / threads4 / 8Clock2.8 GHzTDP80 WCPU Mark2,669291CPUAMD Phenom II X4 975AMD · DesktopCores / threads4 / 4Clock—TDP125 WCPU Mark2,638292CPUAMD RX-425BBAMD · Mobile/EmbeddedCores / threads4 / —Clock3.4 GHzTDP35 WCPU Mark2,637293CPUIntel Xeon E5-2407 @ 2.20GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark2,634294CPUAMD FX-4100 Quad-CoreAMD · DesktopCores / threads4 / —Clock3.8 GHzTDP95 WCPU Mark2,631295CPUAMD Opteron 6172AMD · ServerCores / threads12 / 12Clock—TDP115 WCPU Mark2,615296CPUIntel Xeon E5-2403 v2 @ 1.80GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark2,594297CPUIntel Xeon E5450 @ 3.00GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark2,585298CPUIntel Xeon X5460 @ 3.16GHzIntel · ServerCores / threads4 / 4Clock—TDP120 WCPU Mark2,581299CPUIntel Atom x7213REIntel · Mobile/EmbeddedCores / threads2 / 2Clock3.4 GHzTDP9 WCPU Mark2,579300CPUAMD Phenom II X4 B97AMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,579301CPUIntel Xeon E5607 @ 2.27GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark2,578302CPUIntel Xeon X3380 @ 3.16GHzIntel · ServerCores / threads4 / 4Clock—TDP95 WCPU Mark2,568303CPUAMD Athlon II X4 557AMD · DesktopCores / threads4 / 4Clock3.7 GHzTDP160 WCPU Mark2,567304CPUAMD Phenom II X4 955AMD · DesktopCores / threads4 / 4Clock—TDP125 WCPU Mark2,564305CPUIntel Xeon X3370 @ 3.00GHzIntel · ServerCores / threads4 / 4Clock—TDP95 WCPU Mark2,560306CPUIntel Core i5-750 @ 2.67GHzIntel · DesktopCores / threads4 / 4Clock3.2 GHzTDP95 WCPU Mark2,558307CPUAMD Phenom II X4 B99AMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,536308CPUIntel Xeon E5520 @ 2.27GHzIntel · ServerCores / threads4 / 8Clock2.5 GHzTDP80 WCPU Mark2,536309CPUIntel Xeon L5530 @ 2.40GHzIntel · ServerCores / threads4 / 8Clock2.7 GHzTDP60 WCPU Mark2,522310CPUIntel Core2 Quad Q9650 @ 3.00GHzIntel · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,519311CPUAMD Phenom II X4 850AMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,512312CPUAMD Athlon II X4 650AMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,507