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AMD Athlon XP 1800+ vs Intel Celeron 420

The AMD Athlon XP 1800+ is newer than Intel Celeron 420 @ 1.60GHz, while Intel Celeron 420 @ 1.60GHz is around 17% faster in multi-threaded (CPU Mark) testing, it is around 36% faster in single-thread testing. However, Intel Celeron 420 @ 1.60GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 139 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 XP 1800+×Intel Celeron 420 @ 1.60GHz+ ADD
Price Search Online $69.95 - BUY
Socket TypeSocket ALGA775
CPU ClassDesktopDesktop
Clockspeed1.5 GHz1.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 128KB, L2: 0.3MB, L1: 64KB, L2: 0.5MB, L3: 0MB
TDP66W35W
Yearly Running Cost$12.05$6.39
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples35104
CPU Value3.83.4
Single Thread Rating(% diff. to max in group)3013(-36.1%)4713(0.0%)
CPU Mark(% diff. to max in group)195(-17.0%)235(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 14th of March 2025 - Higher results represent better performance
AMD Athlon XP 1800+
195
Intel Celeron 420 @ 1.60GHz
235
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
AMD Athlon XP 1800+
3.8
Intel Celeron 420 @ 1.60GHz
3.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
AMD Athlon XP 1800+
301
Intel Celeron 420 @ 1.60GHz
471
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 XP 1800+ Intel Celeron 420 @ 1.60GHz
Max TDP66W35W
Power consumption per day (kWh)0.130.07
Running cost per day$0.033$0.018
Power consumption per year (kWh)48.225.6
Running cost per year$12.04$6.39
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.