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Intel i3-6300 vs AMD Athlon X4 840

The Intel Core i3-6300 @ 3.80GHz is newer than AMD Athlon X4 840 and is around 31% faster in multi-threaded (CPU Mark) testing. It is also significantly faster in single-thread testing. Also, AMD Athlon X4 840 uses around 24% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 541 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.

×Intel Core i3-6300 @ 3.80GHz×AMD Athlon X4 840+ ADD
Price Search Online Search Online
Socket TypeLGA 1151FM2+
CPU ClassDesktopDesktop
Clockspeed3.8 GHz3.1 GHz
Turbo SpeedNot SupportedUp to 3.8 GHz
# of Physical Cores2 (Threads: 4)4 (in 2 physical modules)
CacheL1: 128KB, L2: 0.5MB, L3: 4MBL1: 448KB, L2: 8.0MB,
TDP51W65W
Yearly Running Cost$9.31$11.86
Other
First Seen on ChartQ4 2015Q1 2015
# of Samples270271
CPU Rank25162853
CPU Value43.526.7
Single Thread Rating(% diff. to max in group)2273(0.0%)1478(-35.0%)
CPU Mark(% diff. to max in group)4350(0.0%)3332(-23.4%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 10th of February 2026 - Higher results represent better performance
Intel Core i3-6300 @ 3.80GHz
4,350
AMD Athlon X4 840
3,332
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 10th of February 2026 - Higher results represent better value
Intel Core i3-6300 @ 3.80GHz
43.5
AMD Athlon X4 840
26.7
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 10th of February 2026 - Higher results represent better performance
Intel Core i3-6300 @ 3.80GHz
2,273
AMD Athlon X4 840
1,478
PassMark Software © 2008-2026
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.
Intel Core i3-6300 @ 3.80GHz AMD Athlon X4 840
Max TDP51W65W
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.