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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon X4 840 vs Athlon X4 860K

The AMD Athlon X4 840 is newer than AMD Athlon X4 860K and has comparable multi-threaded (CPU Mark) and single-thread rating. However, AMD Athlon X4 860K 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 1628 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 X4 840×AMD Athlon X4 860K+ ADD
Price Search Online $69.97 - BUY
Socket TypeFM2+FM2+
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.7 GHz
Turbo SpeedUp to 3.8 GHzUp to 4.0 GHz
# of Physical Cores4 (in 2 physical modules)4 (in 2 physical modules)
CacheL1: 448KB, L2: 8.0MB, L1: 448KB, L2: 8.0MB,
TDP65W95W
Yearly Running Cost$11.86$17.34
Other
First Seen on ChartQ1 2015Q3 2014
# of Samples2471381
CPU Value26.549.1
Single Thread Rating(% diff. to max in group)1481(-2.9%)1525(0.0%)
CPU Mark(% diff. to max in group)3311(-3.6%)3433(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 13th of March 2025 - Higher results represent better performance
AMD Athlon X4 840
3,311
AMD Athlon X4 860K
3,433
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 13th of March 2025 - Higher results represent better value
AMD Athlon X4 840
26.5
AMD Athlon X4 860K
49.1
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 13th of March 2025 - Higher results represent better performance
AMD Athlon X4 840
1,481
AMD Athlon X4 860K
1,525
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 X4 840 AMD Athlon X4 860K
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.