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 649–672 of 1,353

649CPUIntel Celeron G530 @ 2.40GHzIntel · DesktopCores / threads2 / 2Clock—TDP65 WCPU Mark1,160650CPUIntel Pentium E6800 @ 3.33GHzIntel · DesktopCores / threads2 / 2Clock—TDP65 WCPU Mark1,155651CPUAMD Phenom X3 8550AMD · DesktopCores / threads3 / 3Clock—TDP95 WCPU Mark1,151652CPUIntel Core2 Duo E6850 @ 3.00GHzIntel · DesktopCores / threads2 / 2Clock—TDP65 WCPU Mark1,149653CPUAMD Athlon II X2 245AMD · DesktopCores / threads2 / 2Clock—TDP65 WCPU Mark1,143654CPUAMD Phenom 8850 Triple-CoreAMD · DesktopCores / threads3 / 3Clock—TDP95 WCPU Mark1,142655CPUIntel Pentium E6500 @ 2.93GHzIntel · DesktopCores / threads2 / 2Clock—TDP65 WCPU Mark1,138656CPUIntel Core2 Extreme X7800 @ 2.60GHzIntel · LaptopCores / threads2 / 2Clock—TDP44 WCPU Mark1,138657CPUIntel Core2 Duo E8200 @ 2.66GHzIntel · DesktopCores / threads2 / 2Clock—TDP65 WCPU Mark1,136658CPUIntel Core2 Extreme X7900 @ 2.80GHzIntel · LaptopCores / threads2 / 2Clock—TDP44 WCPU Mark1,135659CPUIntel Core2 Duo E7600 @ 3.06GHzIntel · DesktopCores / threads2 / 2Clock—TDP65 WCPU Mark1,133660CPUIntel Core2 Extreme X6800 @ 2.93GHzIntel · DesktopCores / threads2 / 2Clock—TDP75 WCPU Mark1,118661CPUIntel Xeon L5320 @ 1.86GHzIntel · ServerCores / threads4 / 4Clock—TDP50 WCPU Mark1,118662CPUIntel Celeron 1005M @ 1.90GHzIntel · LaptopCores / threads2 / 2Clock—TDP35 WCPU Mark1,115663CPUAMD Phenom 8250 Triple-CoreAMD · DesktopCores / threads3 / 3Clock—TDP65 WCPU Mark1,114664CPUAMD Athlon II X2 B24AMD · DesktopCores / threads2 / 2Clock—TDP65 WCPU Mark1,113665CPUIntel Pentium E5700 @ 3.00GHzIntel · DesktopCores / threads2 / 2Clock—TDP65 WCPU Mark1,110666CPUIntel Atom x6214RE @ 1.40GHzIntel · Mobile/EmbeddedCores / threads2 / 2Clock—TDP6 WCPU Mark1,109667CPUIntel Core2 Duo E8300 @ 2.83GHzIntel · DesktopCores / threads2 / 2Clock—TDP65 WCPU Mark1,109668CPUIntel Core2 Extreme X9000 @ 2.80GHzIntel · LaptopCores / threads2 / 2Clock—TDP44 WCPU Mark1,108669CPUAMD Opteron 2220AMD · ServerCores / threads2 / 2Clock—TDP95 WCPU Mark1,106670CPUIntel Xeon W3503 @ 2.40GHzIntel · ServerCores / threads2 / 2Clock—TDP130 WCPU Mark1,105671CPUIntel Xeon L3406 @ 2.27GHzIntel · ServerCores / threads2 / 4Clock2.5 GHzTDP30 WCPU Mark1,104672CPUIntel Core2 Duo P9600 @ 2.66GHzIntel · LaptopCores / threads2 / 2Clock—TDP25 WCPU Mark1,103