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 361–384 of 1,353

361CPUAMD A6-3670 APUAMD · DesktopCores / threads4 / 4Clock—TDP100 WCPU Mark2,219362CPUIntel Xeon E5462 @ 2.80GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark2,213363CPUIntel Core2 Quad Q9450 @ 2.66GHzIntel · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,210364CPUIntel Xeon L5506 @ 2.13GHzIntel · ServerCores / threads4 / 4Clock—TDP60 WCPU Mark2,198365CPUIntel Atom A3950 @ 1.60GHzIntel · Mobile/EmbeddedCores / threads4 / 4Clock2.0 GHzTDP12 WCPU Mark2,190366CPUAMD Opteron 1385AMD · ServerCores / threads4 / 4Clock—TDP115 WCPU Mark2,185367CPUAMD Athlon II X4 630AMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,184368CPUIntel Core2 Quad Q9505 @ 2.83GHzIntel · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,177369CPUIntel Core2 Quad Q9400 @ 2.66GHzIntel · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,168370CPUAMD Phenom II X4 B93AMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,159371CPUAMD A8-7690KAMD · DesktopCores / threads4 / —Clock—TDP95 WCPU Mark2,157372CPUAMD FirePro A320 APUAMD · DesktopCores / threads4 / —Clock4.2 GHzTDP100 WCPU Mark2,153373CPUIntel Xeon L5420 @ 2.50GHzIntel · ServerCores / threads4 / 4Clock—TDP50 WCPU Mark2,141374CPUAMD Athlon II X4 631 Quad-CoreAMD · DesktopCores / threads4 / 4Clock—TDP100 WCPU Mark2,131375CPUIntel Atom x6414RE @ 1.50GHzIntel · Mobile/EmbeddedCores / threads4 / 4Clock—TDP9 WCPU Mark2,128376CPUAMD Phenom II X4 820AMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,108377CPUAMD Phenom II X4 830AMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,104378CPUIntel Xeon X3330 @ 2.66GHzIntel · ServerCores / threads4 / 4Clock—TDP95 WCPU Mark2,102379CPUIntel Core2 Quad Q6700 @ 2.66GHzIntel · DesktopCores / threads4 / 4Clock—TDP105 WCPU Mark2,092380CPUAMD A6-3650 APUAMD · DesktopCores / threads4 / 4Clock—TDP100 WCPU Mark2,088381CPUIntel Core2 Quad Q8400 @ 2.66GHzIntel · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark2,088382CPUIntel Xeon X3320 @ 2.50GHzIntel · ServerCores / threads4 / 4Clock—TDP95 WCPU Mark2,082383CPUAMD Opteron 1389AMD · ServerCores / threads4 / 4Clock—TDP75 WCPU Mark2,079384CPUAMD Opteron 2386 SEAMD · ServerCores / threads4 / 4Clock—TDP105 WCPU Mark2,074