iconcharts
2

CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X4 840 vs A8-6500 APU

The AMD A8-6500 APU is newer than AMD Phenom II X4 840 also around 14% faster in multi-threaded (CPU Mark) testing, it is around 12% faster in single-thread testing. However, AMD Phenom II X4 840 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 1300 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 840×AMD A8-6500 APU+ ADD
Price Search Online Search Online
Socket TypeAM2+/AM3FM2
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.5 GHz
Turbo SpeedNot SupportedUp to 4.1 GHz
# of Physical Cores4 (Threads: 4)4 (in 2 physical modules)
CacheL1: 512KB, L2: 2.0MB, L1: 320KB, L2: 8.0MB,
TDP95W65W
Yearly Running Cost$17.34$11.86
Other
First Seen on ChartQ1 2011Q3 2013
# of Samples726574
CPU Value80.8101.7
Single Thread Rating(% diff. to max in group)1299(-11.9%)1475(0.0%)
CPU Mark(% diff. to max in group)2425(-14.3%)2828(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of April 2025 - Higher results represent better performance
AMD Phenom II X4 840
2,425
AMD A8-6500 APU
2,828
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of April 2025 - Higher results represent better value
AMD Phenom II X4 840
80.8
AMD A8-6500 APU
101.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of April 2025 - Higher results represent better performance
AMD Phenom II X4 840
1,299
AMD A8-6500 APU
1,475
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 840 AMD A8-6500 APU
Max TDP95W65W
Power consumption per day (kWh)0.190.13
Running cost per day$0.048$0.033
Power consumption per year (kWh)69.347.5
Running cost per year$17.34$11.86
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.