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 217–240 of 1,353

217CPUAMD Opteron 4365 EEAMD · ServerCores / threads8 / —Clock2.8 GHzTDP40 WCPU Mark3,582218CPUIntel Xeon E5-2418L @ 2.00GHzIntel · ServerCores / threads4 / 8Clock2.1 GHzTDP50 WCPU Mark3,518219CPUIntel Xeon E5620 @ 2.40GHzIntel · ServerCores / threads4 / 8Clock2.7 GHzTDP80 WCPU Mark3,517220CPUIntel Core i7-975 @ 3.33GHzIntel · DesktopCores / threads4 / 8Clock3.6 GHzTDP130 WCPU Mark3,499221CPUAMD Opteron 6164 HEAMD · ServerCores / threads12 / 12Clock—TDP85 WCPU Mark3,478222CPUIntel Xeon E5-1603 @ 2.80GHzIntel · ServerCores / threads4 / 4Clock—TDP130 WCPU Mark3,474223CPUIntel Xeon W5580 @ 3.20GHzIntel · ServerCores / threads4 / 8Clock3.5 GHzTDP130 WCPU Mark3,459224CPUIntel Xeon X5698 @ 4.40GHzIntel · ServerCores / threads2 / 4Clock—TDP130 WCPU Mark3,447225CPUIntel Xeon W3565 @ 3.20GHzIntel · ServerCores / threads4 / 8Clock3.5 GHzTDP130 WCPU Mark3,402226CPUAMD Phenom II X6 1055TAMD · DesktopCores / threads6 / 6Clock3.3 GHzTDP125 WCPU Mark3,402227CPUAMD Opteron 4226AMD · ServerCores / threads6 / —Clock2.9 GHzTDP95 WCPU Mark3,400228CPUIntel Core i7-960 @ 3.20GHzIntel · DesktopCores / threads4 / 8Clock3.5 GHzTDP130 WCPU Mark3,399229CPUIntel Core i7-965 @ 3.20GHzIntel · DesktopCores / threads4 / 8Clock3.5 GHzTDP130 WCPU Mark3,396230CPUIntel Xeon E5-4603 @ 2.00GHzIntel · ServerCores / threads4 / 8Clock—TDP95 WCPU Mark3,391231CPUAMD Opteron 6136AMD · ServerCores / threads8 / 8Clock—TDP115 WCPU Mark3,381232CPUIntel Xeon E5-2407 v2 @ 2.40GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark3,378233CPUIntel Xeon W5590 @ 3.33GHzIntel · ServerCores / threads4 / 8Clock3.6 GHzTDP130 WCPU Mark3,373234CPUIntel Xeon X3470 @ 2.93GHzIntel · ServerCores / threads4 / 8Clock3.6 GHzTDP95 WCPU Mark3,361235CPUIntel Xeon E5-2609 v2 @ 2.50GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark3,339236CPUIntel Xeon X3480 @ 3.07GHzIntel · ServerCores / threads4 / 8Clock3.7 GHzTDP95 WCPU Mark3,335237CPUIntel Xeon X5570 @ 2.93GHzIntel · ServerCores / threads4 / 8Clock3.3 GHzTDP95 WCPU Mark3,306238CPUIntel Xeon L5609 @ 1.87GHzIntel · ServerCores / threads4 / 4Clock1.9 GHzTDP40 WCPU Mark3,298239CPUIntel Celeron 6600HE @ 2.60GHzIntel · Mobile/EmbeddedCores / threads2 / 2Clock—TDP35 WCPU Mark3,286240CPUIntel Core i7-950 @ 3.07GHzIntel · DesktopCores / threads4 / 8Clock3.3 GHzTDP130 WCPU Mark3,274