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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X4 620 vs Athlon II X4 635

The AMD Athlon II X4 635 is newer than AMD Athlon II X4 620 also around 9% faster in multi-threaded (CPU Mark) testing, it is around 9% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1313 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×AMD Athlon II X4 620×AMD Athlon II X4 635+ ADD
Price $49.01 - BUY $58.02 - BUY
Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed2.6 GHz2.9 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 512KB, L2: 2.0MB, L1: 512KB, L2: 2.0MB,
TDP95W95W
Yearly Running Cost$17.34$17.34
Other
First Seen on ChartQ3 2009Q1 2010
# of Samples696617
CPU Value41.338.6
Single Thread Rating(% diff. to max in group)1063(-8.9%)1168(0.0%)
CPU Mark(% diff. to max in group)2026(-9.4%)2237(0.0%)

CPU Mark Rating
As of 7th of April 2025 - Higher results represent better performance
AMD Athlon II X4 620
2,026
AMD Athlon II X4 635
2,237
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 7th of April 2025 - Higher results represent better value
AMD Athlon II X4 620
41.3
AMD Athlon II X4 635
38.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 7th of April 2025 - Higher results represent better performance
AMD Athlon II X4 620
1,063
AMD Athlon II X4 635
1,168
PassMark Software © 2008-2025
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
AMD Athlon II X4 620 AMD Athlon II X4 635
Max TDP95W95W
Power consumption per day (kWh)0.190.19
Running cost per day$0.048$0.048
Power consumption per year (kWh)69.369.3
Running cost per year$17.34$17.34
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.