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Intel Atom E3815 vs i7-5820K

The Intel Core i7-5820K @ 3.30GHz is newer than Intel Atom E3815 @ 1.46GHz and is significantly faster in multi-threaded (CPU Mark) testing and is significantly faster in single-thread testing. However, Intel Atom E3815 @ 1.46GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 4876 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 Atom E3815 @ 1.46GHz×Intel Core i7-5820K @ 3.30GHz+ ADD
Price Search Online $139 - BUY
Socket TypeFCBGA1170LGA2011-v3
CPU ClassDesktopDesktop
Clockspeed1.5 GHz3.3 GHz
Turbo SpeedNot SupportedUp to 3.6 GHz
# of Physical Cores1 (Threads: 1)6 (Threads: 12)
CacheL1: 448KB, L2: 1.0MB, L3: 0MBL1: 384KB, L2: 1.5MB, L3: 15MB
TDP5W140W
Yearly Running Cost$0.91$25.55
Other
First Seen on ChartQ2 2014Q3 2014
# of Samples104866
CPU Value1.470.8
Single Thread Rating(% diff. to max in group)2663(-86.7%)1994(0.0%)
CPU Mark(% diff. to max in group)184(-98.1%)9846(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 24th of November 2024 - Higher results represent better performance
Intel Atom E3815 @ 1.46GHz
184
Intel Core i7-5820K @ 3.30GHz
9,846
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 24th of November 2024 - Higher results represent better value
Intel Atom E3815 @ 1.46GHz
1.4
Intel Core i7-5820K @ 3.30GHz
70.8
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 24th of November 2024 - Higher results represent better performance
Intel Atom E3815 @ 1.46GHz
266
Intel Core i7-5820K @ 3.30GHz
1,994
PassMark Software © 2008-2024
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 Atom E3815 @ 1.46GHz Intel Core i7-5820K @ 3.30GHz
Max TDP5W140W
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.