Best Pick

AMD Ryzen 9 7900 12-core AM5

99 Most Efficient Score
12C/24T5.4GHz64MB L3AM565W
Why we recommend this

The 12-core Zen 4 architecture on a 5nm process delivers a 48,116 PassMark multi-core score while sipping power at just 65W TDP, making it an efficiency leader. It includes a capable Radeon iGPU and a boxed Wraith Prism cooler, offering a complete out-of-the-box experience without added cost. This processor is best for workstation users running heavily threaded productivity tasks who prioritize low power consumption and thermals over peak gaming frame rates.

View Details & Prices

Great Alternatives

These options also score highly and may better suit your specific needs

Intel BX80768265F

98.9 Most Efficient Score
20C/20T5.3GHz30MB L3LGA185165W
Why we recommend this ▼

The 20-core Arrow Lake chip, with 8 P-cores and 12 E-cores, hits 5.3 GHz boost and pairs with 30MB L3 cache, delivering strong multi-threaded performance for demanding workloads. Its 65W TDP and 182W turbo keep power draw efficient, while PCIe 5.0 and DDR5 support future-proof connectivity, though it requires a discrete GPU. Best for budget-conscious builders who prioritize productivity and efficiency over integrated graphics, especially for content creation or heavy multitasking.

View Details & Prices

Intel BX80768235

97.4 Most Efficient Score
14C/14T5.0GHz24MB L3LGA185165W
Why we recommend this ▼

The 14-core Arrow Lake chip (6P+8E) hits 5.0 GHz boost with 24MB L3 cache, and its 65W TDP keeps power draw low for a desktop CPU. It includes integrated Intel Graphics and a 3.5 TOPS NPU, plus PCIe 5.0 support, making it a solid all-rounder for productivity and light gaming. Best for budget-conscious builders who want a modern LGA1851 processor for everyday tasks and office work without a dedicated GPU.

View Details & Prices

Intel Core i5-13400F

90.9 Most Efficient Score
10C/16T4.6GHz20MB L3LGA 170065W
Why we recommend this ▼

The 10-core hybrid design with 6 P-cores and 4 E-cores, boosting to 4.6 GHz, delivers strong multi-threaded performance for its 65W TDP, making it a solid value for budget builds. It supports DDR5 and DDR4 memory, PCIe 5.0, and works with Intel 600 and 700 series motherboards, though it requires a discrete GPU. Best for gamers and productivity users on a budget who want a capable CPU without integrated graphics.

View Details & Prices

AMD Ryzen 5 4600G

75.7 Most Efficient Score
6C/12T4.2GHz8MB L3AM465W
Why we recommend this ▼

The 7nm Zen 2 architecture delivers 6 cores and 12 threads with a 4.2 GHz boost, plus integrated Radeon graphics that eliminate the need for a separate GPU in basic builds. Its 65W TDP and unlocked multiplier make it a power-efficient choice for compact systems, while the bundled Wraith Stealth cooler keeps setup costs low. Best for budget-conscious builders assembling entry-level gaming or office PCs who want solid integrated graphics and upgrade headroom on the AM4 platform.

View Details & Prices

Intel Core i3 10320 4-core LGA1200

64.6 Most Efficient Score
4C/8T4.6GHz8MB L3LGA 120065W
Why we recommend this ▼

Hyper-threading across 4 cores and a 4.6GHz boost clock give this 14nm chip strong single-threaded responsiveness for its class. The included boxed cooler and 65W TDP make it a straightforward, low-cost drop-in upgrade for LGA1200 400-series motherboards. This processor is best for office multitaskers and home users building a capable budget PC who don't require dedicated graphics.

View Details & Prices

Intel 6821889

46.7 Most Efficient Score
6C/12T4.8GHz12MB L3LGA1465W
View Details & Prices

AMD FX-Series FX-9590 8-core AMD Socket AM3+

31.5 Most Efficient Score
8C/8T5.0GHz8MB L3Socket AM3+220W
Why we recommend this ▼

The FX-9590 pushes eight Piledriver cores to a 5.0GHz boost clock on the 32nm Vishera architecture, making it one of the highest-clocked desktop CPUs of its era. Its unlocked multiplier and 220W TDP demand serious cooling and a high-end AM3+ motherboard, but AES instruction support adds a niche security workload benefit. This chip suits overclocking enthusiasts running legacy AM3+ systems who prioritize raw clock speed over power efficiency.

View Details & Prices

Intel BX80557E2140

30.7 Most Efficient Score
2C/2TLGA 77565W
View Details & Prices