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Intel i5-3340 vs AMD Athlon X4 840

The AMD Athlon X4 840 is newer than Intel Core i5-3340 @ 3.10GHz and is around -22% slower in multi-threaded (CPU Mark) testing. The AMD Athlon X4 840 is around -16% slower in single-thread testing. Also, Intel Core i5-3340 @ 3.10GHz uses around 17% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 605 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 i5-3340 @ 3.10GHz×AMD Athlon X4 840+ ADD
Price Search Online Search Online
Socket TypeLGA1155FM2+
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.1 GHz
Turbo SpeedUp to 3.3 GHzUp to 3.8 GHz
# of Physical Cores4 (Threads: 4)4 (in 2 physical modules)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 448KB, L2: 8.0MB,
TDP77W65W
Yearly Running Cost$14.05$11.86
Other
First Seen on ChartQ4 2013Q1 2015
# of Samples354251
CPU Value32.526.6
Single Thread Rating(% diff. to max in group)1768(0.0%)1481(-16.2%)
CPU Mark(% diff. to max in group)4229(0.0%)3319(-21.5%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 28th of April 2025 - Higher results represent better performance
Intel Core i5-3340 @ 3.10GHz
4,229
AMD Athlon X4 840
3,319
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 28th of April 2025 - Higher results represent better value
Intel Core i5-3340 @ 3.10GHz
32.5
AMD Athlon X4 840
26.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 28th of April 2025 - Higher results represent better performance
Intel Core i5-3340 @ 3.10GHz
1,768
AMD Athlon X4 840
1,481
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.
Intel Core i5-3340 @ 3.10GHz AMD Athlon X4 840
Max TDP77W65W
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.