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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon 2800+ vs Athlon 64 3800+

The AMD Athlon 2800+ is newer than AMD Athlon 64 3800+ and has comparable multi-threaded (CPU Mark) and single-thread rating. However, AMD Athlon 64 3800+ uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 237 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 Athlon 2800+×AMD Athlon 64 3800++ ADD
Price Search Online Search Online
Socket Type754AM2
CPU ClassDesktopDesktop
Clockspeed2.1 GHz2.4 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 128KB, L2: 0.5MB, L1: 128KB, L2: 0.5MB,
TDP89W45W
Yearly Running Cost$16.24$8.21
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples2235
CPU Value2.62.2
Single Thread Rating(% diff. to max in group)4393(-4.7%)4613(0.0%)
CPU Mark(% diff. to max in group)291(-0.5%)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 2nd of April 2025 - Higher results represent better performance
AMD Athlon 2800+
291
AMD Athlon 64 3800+
292
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 2nd of April 2025 - Higher results represent better value
AMD Athlon 2800+
2.6
AMD Athlon 64 3800+
2.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 2nd of April 2025 - Higher results represent better performance
AMD Athlon 2800+
439
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.
AMD Athlon 2800+ AMD Athlon 64 3800+
Max TDP89W45W
Power consumption per day (kWh)0.180.09
Running cost per day$0.044$0.022
Power consumption per year (kWh)65.032.9
Running cost per year$16.24$8.21
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.