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AMD Athlon 1640B vs Intel Celeron 420

The AMD Athlon 1640B is newer than Intel Celeron 420 @ 1.60GHz and is significantly faster in multi-threaded (CPU Mark) testing. The AMD Athlon 1640B is around 24% faster in single-thread testing. Also, AMD Athlon 1640B uses around 25% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 126 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 1640B×Intel Celeron 420 @ 1.60GHz+ ADD
Price Search Online Search Online
Socket TypeAM2LGA775
CPU ClassDesktopDesktop
Clockspeed2.7 GHz1.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 128KB, L2: 0.5MB, L1: 64KB, L2: 0.5MB, L3: 0MB
TDP45W35W
Yearly Running Cost$8.21$6.39
Other
First Seen on ChartQ2 2009Q1 2009
# of Samples19107
CPU Rank52435514
CPU Value7.53.3
Single Thread Rating(% diff. to max in group)5743(0.0%)4643(-19.1%)
CPU Mark(% diff. to max in group)376(0.0%)231(-38.6%)
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 7th of February 2026 - Higher results represent better performance
AMD Athlon 1640B
376
Intel Celeron 420 @ 1.60GHz
231
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 7th of February 2026 - Higher results represent better value
AMD Athlon 1640B
7.5
Intel Celeron 420 @ 1.60GHz
3.3
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 7th of February 2026 - Higher results represent better performance
AMD Athlon 1640B
574
Intel Celeron 420 @ 1.60GHz
464
PassMark Software © 2008-2026
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 1640B Intel Celeron 420 @ 1.60GHz
Max TDP45W35W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.