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AMD Phenom II X4 905e vs Athlon II X4 620

The AMD Athlon II X4 620 is newer than AMD Phenom II X4 905e however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, AMD Athlon II X4 620 uses around 38% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 755 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 Phenom II X4 905e×AMD Athlon II X4 620+ ADD
Price Search Online $49.01 - BUY
Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed2.5 GHz2.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 512KB, L2: 2.0MB, L3: 6MBL1: 512KB, L2: 2.0MB,
TDP65W95W
Yearly Running Cost$11.86$17.34
Other
First Seen on ChartQ2 2009Q3 2009
# of Samples58697
CPU Value37.341.2
Single Thread Rating(% diff. to max in group)1034(-2.6%)1062(0.0%)
CPU Mark(% diff. to max in group)2014(-0.3%)2020(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of May 2025 - Higher results represent better performance
AMD Phenom II X4 905e
2,014
AMD Athlon II X4 620
2,020
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 25th of May 2025 - Higher results represent better value
AMD Phenom II X4 905e
37.3
AMD Athlon II X4 620
41.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 25th of May 2025 - Higher results represent better performance
AMD Phenom II X4 905e
1,034
AMD Athlon II X4 620
1,062
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 Phenom II X4 905e AMD Athlon II X4 620
Max TDP65W95W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.