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 337–360 of 1,353

337CPUAMD Phenom II X4 960TAMD · DesktopCores / threads4 / 4Clock3.4 GHzTDP95 WCPU Mark2,358338CPUAMD Opteron 4130AMD · ServerCores / threads4 / 4Clock3.2 GHzTDP95 WCPU Mark2,342339CPUAMD Phenom II X4 840TAMD · DesktopCores / threads4 / 4Clock3.2 GHzTDP95 WCPU Mark2,337340CPUIntel Xeon E5-2603 @ 1.80GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark2,335341CPUIntel Xeon E5472 @ 3.00GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark2,333342CPUIntel Xeon X3430 @ 2.40GHzIntel · ServerCores / threads4 / 4Clock2.8 GHzTDP95 WCPU Mark2,332343CPUIntel Xeon X5365 @ 3.00GHzIntel · ServerCores / threads4 / 4Clock—TDP150 WCPU Mark2,331344CPUIntel Xeon L5520 @ 2.27GHzIntel · ServerCores / threads4 / 8Clock2.5 GHzTDP60 WCPU Mark2,319345CPUAMD Athlon II X4 641 Quad-CoreAMD · DesktopCores / threads4 / 4Clock—TDP100 WCPU Mark2,318346CPUIntel Xeon X3350 @ 2.66GHzIntel · ServerCores / threads4 / 4Clock—TDP95 WCPU Mark2,305347CPUAMD Athlon II X4 640AMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,291348CPUIntel Pentium 1403 v2 @ 2.60GHzIntel · ServerCores / threads2 / 2Clock—TDP80 WCPU Mark2,284349CPUAMD Opteron 3260 HEAMD · ServerCores / threads4 / —Clock3.0 GHzTDP45 WCPU Mark2,283350CPUIntel Xeon X3353 @ 2.66GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark2,283351CPUIntel Core i7-940XM @ 2.13GHzIntel · LaptopCores / threads4 / 8Clock3.3 GHzTDP55 WCPU Mark2,269352CPUIntel Xeon E5430 @ 2.66GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark2,261353CPUIntel Xeon L5430 @ 2.66GHzIntel · ServerCores / threads4 / 4Clock—TDP50 WCPU Mark2,260354CPUAMD Phenom II X4 925AMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,255355CPUAMD Athlon II X4 635AMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,253356CPUIntel Core2 Quad Q9500 @ 2.83GHzIntel · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,252357CPUAMD Phenom II X4 920AMD · DesktopCores / threads4 / 4Clock—TDP125 WCPU Mark2,252358CPUIntel Xeon X5472 @ 3.00GHzIntel · ServerCores / threads4 / 4Clock—TDP120 WCPU Mark2,243359CPUIntel Core2 Extreme Q6850 @ 3.00GHzIntel · DesktopCores / threads4 / 4Clock—TDP130 WCPU Mark2,241360CPUAMD Phenom FX-7750 Quad-CoreAMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,227