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AMD A8-3850 APU vs Phenom II X4 955

The AMD A8-3850 APU is newer than AMD Phenom II X4 955, while AMD Phenom II X4 955 is around 6% faster in multi-threaded (CPU Mark) testing, it is around 6% faster in single-thread testing. However, AMD Phenom II X4 955 uses around 22% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 4502 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 A8-3850 APU×AMD Phenom II X4 955+ ADD
Price Search Online Search Online
Socket TypeFM1AM3
CPU ClassDesktopDesktop
Clockspeed2.9 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 512KB, L2: 4.0MB, L1: 512KB, L2: 2.0MB, L3: 6MB
TDP100W125W
Yearly Running Cost$18.25$22.81
Other
First Seen on ChartQ2 2011Q1 2009
# of Samples4994003
CPU Value34.742.5
Single Thread Rating(% diff. to max in group)1212(-6.2%)1292(0.0%)
CPU Mark(% diff. to max in group)2361(-5.7%)2505(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 27th of July 2024 - Higher results represent better performance
AMD A8-3850 APU
2,361
AMD Phenom II X4 955
2,505
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 27th of July 2024 - Higher results represent better value
AMD A8-3850 APU
34.7
AMD Phenom II X4 955
42.5
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 27th of July 2024 - Higher results represent better performance
AMD A8-3850 APU
1,212
AMD Phenom II X4 955
1,292
PassMark Software © 2008-2024

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 A8-3850 APUAMD Phenom II X4 955
Max TDP100W125W
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.