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 409–432 of 1,353

409CPUIntel Xeon X6550 @ 2.00GHzIntel · ServerCores / threads4 / 4Clock2.4 GHzTDP130 WCPU Mark1,936410CPUIntel Xeon E5603 @ 1.60GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark1,935411CPUIntel Core2 Quad Q8300 @ 2.50GHzIntel · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark1,919412CPUAMD Opteron 3320 EEAMD · ServerCores / threads4 / —Clock2.5 GHzTDP25 WCPU Mark1,918413CPUIntel Celeron N6210 @ 1.20GHzIntel · Mobile/EmbeddedCores / threads2 / 2Clock2.6 GHzTDP7 WCPU Mark1,915414CPUAMD Opteron 4122AMD · ServerCores / threads4 / 4Clock—TDP95 WCPU Mark1,913415CPUAMD Opteron X2170 APUAMD · ServerCores / threads4 / 4Clock—TDP25 WCPU Mark1,911416CPUAMD Opteron 6134AMD · ServerCores / threads8 / 8Clock—TDP115 WCPU Mark1,910417CPUAMD Opteron 2419 EEAMD · ServerCores / threads6 / 6Clock—TDP60 WCPU Mark1,902418CPUAMD Athlon II X3 450AMD · DesktopCores / threads3 / 3Clock—TDP95 WCPU Mark1,872419CPUIntel Xeon E5345 @ 2.33GHzIntel · ServerCores / threads4 / 4Clock—TDP80 WCPU Mark1,868420CPUAMD Opteron 2378AMD · ServerCores / threads4 / 4Clock—TDP75 WCPU Mark1,864421CPUAMD Phenom 9950 Quad-CoreAMD · DesktopCores / threads4 / 4Clock—TDP125 WCPU Mark1,861422CPUIntel Core i7-820QM @ 1.73GHzIntel · LaptopCores / threads4 / 8Clock3.1 GHzTDP45 WCPU Mark1,856423CPUIntel Xeon L5410 @ 2.33GHzIntel · ServerCores / threads4 / 4Clock—TDP50 WCPU Mark1,853424CPUIntel Pentium 1403 @ 2.60GHzIntel · ServerCores / threads2 / 2Clock—TDP80 WCPU Mark1,851425CPUIntel Core2 Quad Q6600 @ 2.40GHzIntel · DesktopCores / threads4 / 4Clock—TDP105 WCPU Mark1,849426CPUIntel Core i3-4100E @ 2.40GHzIntel · Mobile/EmbeddedCores / threads2 / 4Clock—TDP37 WCPU Mark1,848427CPUAMD Phenom 9750 Quad-CoreAMD · DesktopCores / threads4 / 4Clock—TDP125 WCPU Mark1,846428CPUAMD Phenom II X3 B77AMD · DesktopCores / threads3 / 3Clock—TDP95 WCPU Mark1,844429CPUAMD Athlon II X3 445AMD · DesktopCores / threads3 / 3Clock—TDP95 WCPU Mark1,844430CPUAMD Phenom II X4 910AMD · DesktopCores / threads4 / 4Clock—TDP95 WCPU Mark1,840431CPUAMD Opteron 2356AMD · ServerCores / threads4 / 4Clock—TDP75 WCPU Mark1,829432CPUIntel Core i7-740QM @ 1.73GHzIntel · LaptopCores / threads4 / 8Clock2.9 GHzTDP45 WCPU Mark1,827