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Intel Pentium D 940 vs AMD Athlon 64 X2 Dual 3800+

The Intel Pentium D 940 @ 3.20GHz is newer than AMD Athlon 64 X2 Dual Core 3800+, while AMD Athlon 64 X2 Dual Core 3800+ is around 12% faster in multi-threaded (CPU Mark) testing, it is around 15% faster in single-thread testing. However, Intel Pentium D 940 @ 3.20GHz uses around 37% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1015 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 Pentium D 940 @ 3.20GHz×AMD Athlon 64 X2 Dual Core 3800++ ADD
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Socket TypePLGA775AM2
CPU ClassDesktopDesktop
Clockspeed3.2 GHz2.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 33KB, L2: 4.0MB, L3: 0MBL1: 256KB, L2: 1.0MB,
TDP130W89W
Yearly Running Cost$23.73$16.24
Other
First Seen on ChartQ4 2008Q4 2008
# of Samples224791
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)6093(-15.2%)7183(0.0%)
CPU Mark(% diff. to max in group)552(-12.1%)629(0.0%)
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 17th of April 2025 - Higher results represent better performance
Intel Pentium D 940 @ 3.20GHz
552
AMD Athlon 64 X2 Dual Core 3800+
629
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 17th of April 2025 - Higher results represent better performance
Intel Pentium D 940 @ 3.20GHz
609
AMD Athlon 64 X2 Dual Core 3800+
718
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 Pentium D 940 @ 3.20GHz AMD Athlon 64 X2 Dual Core 3800+
Max TDP130W89W
Power consumption per day (kWh)0.260.18
Running cost per day$0.065$0.044
Power consumption per year (kWh)94.965.0
Running cost per year$23.73$16.24
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.