
Athlon II X4 651 vs Xeon E5620

Athlon II X4 651
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Xeon E5620
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Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Performance Comparison
About PassMarkPassmark Score
3584
Passmark Score
3621
Performance Difference
Xeon E5620 is 1.0% faster than Athlon II X4 651
Benchmarks & Performance Comparison
In this CPU comparison, Xeon E5620 performs 1.0% better in benchmarks. Below you'll find detailed performance analysis, gaming benchmarks, power consumption data, and specifications to help you decide between Athlon II X4 651 and Xeon E5620.
Both processors are popular choices for gaming PCs. Consider factors like core count, boost clock speeds, power consumption (TDP), and gaming vs productivity performance when choosing between these CPUs.
Technical Specifications
Detailed hardware specifications for Athlon II X4 651 and Xeon E5620

Athlon II X4 651
The Athlon II X4 651 is manufactured by AMD. It was released in 14 November 2011 (14 years ago). It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 100 Watt. Memory support: DDR3. Passmark benchmark score: 3,584 points.
General Information
Technical Specifications
Compatibility
Memory

Xeon E5620
The Xeon E5620 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 2.66 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 3,621 points. Launch price was $35.
General Information
Technical Specifications
Compatibility
Memory
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores
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