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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Sempron 3400+ vs Athlon 64 3700+

The AMD Sempron 3400+ is newer than AMD Athlon 64 3700+, while AMD Athlon 64 3700+ is around 26% faster in multi-threaded (CPU Mark) testing, it is around 20% faster in single-thread testing. However, AMD Athlon 64 3700+ uses around 36% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 211 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 Sempron 3400+×AMD Athlon 64 3700++ ADD
Price Search Online Search Online
Socket TypeAM2939
CPU ClassDesktopDesktop
Clockspeed2.0 GHz2.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 128KB, L2: 0.3MB, L1: 128KB, L2: 1.0MB,
TDP62W89W
Yearly Running Cost$11.32$16.24
Other
First Seen on ChartQ4 2008Q4 2008
# of Samples103108
CPU Value3.44.4
Single Thread Rating(% diff. to max in group)3463(-20.4%)4353(0.0%)
CPU Mark(% diff. to max in group)292(-25.8%)394(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 4th of April 2025 - Higher results represent better performance
AMD Sempron 3400+
292
AMD Athlon 64 3700+
394
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 4th of April 2025 - Higher results represent better value
AMD Sempron 3400+
3.4
AMD Athlon 64 3700+
4.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 4th of April 2025 - Higher results represent better performance
AMD Sempron 3400+
346
AMD Athlon 64 3700+
435
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 Sempron 3400+ AMD Athlon 64 3700+
Max TDP62W89W
Power consumption per day (kWh)0.120.18
Running cost per day$0.031$0.044
Power consumption per year (kWh)45.365.0
Running cost per year$11.31$16.24
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.