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Intel Atom E3815 vs AMD Athlon 64 3800+

The Intel Atom E3815 @ 1.46GHz is newer than AMD Athlon 64 3800+, while AMD Athlon 64 3800+ is around 37% faster in multi-threaded (CPU Mark) testing, it is around 42% 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 245 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×AMD Athlon 64 3800++ ADD
Price Search Online Search Online
Socket TypeFCBGA1170AM2
CPU ClassDesktopDesktop
Clockspeed1.5 GHz2.4 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 448KB, L2: 1.0MB, L3: 0MBL1: 128KB, L2: 0.5MB,
TDP5W45W
Yearly Running Cost$0.91$8.21
Other
First Seen on ChartQ2 2014Q1 2009
# of Samples10235
CPU Value1.42.2
Single Thread Rating(% diff. to max in group)2663(-42.3%)4613(0.0%)
CPU Mark(% diff. to max in group)184(-37.0%)292(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 6th of April 2025 - Higher results represent better performance
Intel Atom E3815 @ 1.46GHz
184
AMD Athlon 64 3800+
292
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of April 2025 - Higher results represent better value
Intel Atom E3815 @ 1.46GHz
1.4
AMD Athlon 64 3800+
2.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of April 2025 - Higher results represent better performance
Intel Atom E3815 @ 1.46GHz
266
AMD Athlon 64 3800+
461
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 Atom E3815 @ 1.46GHz AMD Athlon 64 3800+
Max TDP5W45W
Power consumption per day (kWh)NA0.09
Running cost per dayNA$0.022
Power consumption per year (kWh)NA32.9
Running cost per yearNA$8.21
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.