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 265–288 of 1,353

265CPUIntel Xeon X3460 @ 2.80GHzIntel · ServerCores / threads4 / 8Clock3.5 GHzTDP95 WCPU Mark2,963266CPUIntel Xeon W3520 @ 2.67GHzIntel · ServerCores / threads4 / 8Clock2.9 GHzTDP130 WCPU Mark2,948267CPUAMD FX-4200 Quad-CoreAMD · DesktopCores / threads4 / —Clock3.9 GHzTDP125 WCPU Mark2,944268CPUAMD Opteron 6128 HEAMD · ServerCores / threads8 / 8Clock—TDP85 WCPU Mark2,932269CPUIntel Xeon E5-2609 @ 2.40GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark2,931270CPUIntel Xeon X5492 @ 3.40GHzIntel · ServerCores / threads4 / 4Clock—TDP150 WCPU Mark2,912271CPUAMD Opteron 2431AMD · ServerCores / threads6 / 6Clock—TDP75 WCPU Mark2,894272CPUIntel Core i7-920 @ 2.67GHzIntel · DesktopCores / threads4 / 8Clock2.9 GHzTDP130 WCPU Mark2,877273CPUAMD Opteron 4184AMD · ServerCores / threads6 / 6Clock—TDP95 WCPU Mark2,872274CPUIntel Xeon X5470 @ 3.33GHzIntel · ServerCores / threads4 / 4Clock—TDP120 WCPU Mark2,871275CPUIntel Xeon X3450 @ 2.67GHzIntel · ServerCores / threads4 / 8Clock3.2 GHzTDP95 WCPU Mark2,866276CPUAMD Opteron 6128AMD · ServerCores / threads8 / 8Clock—TDP115 WCPU Mark2,826277CPUIntel Atom x6425RE @ 1.90GHzIntel · Mobile/EmbeddedCores / threads4 / 4Clock—TDP12 WCPU Mark2,817278CPUAMD Phenom II X4 970AMD · DesktopCores / threads4 / 4Clock—TDP125 WCPU Mark2,789279CPUIntel Xeon X3440 @ 2.53GHzIntel · ServerCores / threads4 / 8Clock2.9 GHzTDP95 WCPU Mark2,787280CPUIntel Core2 Extreme X9775 @ 3.20GHzIntel · DesktopCores / threads4 / 4Clock—TDP150 WCPU Mark2,780281CPUIntel Xeon X5482 @ 3.20GHzIntel · ServerCores / threads4 / 4Clock—TDP150 WCPU Mark2,755282CPUIntel Xeon L3426 @ 1.87GHzIntel · ServerCores / threads4 / 8Clock3.2 GHzTDP45 WCPU Mark2,742283CPUIntel Xeon E5530 @ 2.40GHzIntel · ServerCores / threads4 / 8Clock2.7 GHzTDP80 WCPU Mark2,739284CPUIntel Xeon E5-2603 v2 @ 1.80GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark2,735285CPUAMD FX-4130 Quad-CoreAMD · DesktopCores / threads4 / —Clock3.9 GHzTDP125 WCPU Mark2,726286CPUIntel Core2 Extreme X9770 @ 3.20GHzIntel · DesktopCores / threads4 / 4Clock—TDP136 WCPU Mark2,701287CPUAMD Opteron 3350 HEAMD · ServerCores / threads4 / —Clock3.8 GHzTDP45 WCPU Mark2,699288CPUIntel Core i5-760 @ 2.80GHzIntel · DesktopCores / threads4 / 4Clock3.3 GHzTDP95 WCPU Mark2,680