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Intel Solo U1400 vs Celeron M 420

The Intel Core Solo U1400 @ 1.20GHz is newer than Intel Celeron M 420 @ 1.60GHz, while Intel Celeron M 420 @ 1.60GHz is around 6% faster in multi-threaded (CPU Mark) testing, it is around 7% faster in single-thread testing. However, Intel Core Solo U1400 @ 1.20GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 38 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 Core Solo U1400 @ 1.20GHz×Intel Celeron M 420 @ 1.60GHz+ ADD
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Socket TypePBGA479PPGA478
CPU ClassLaptopLaptop
Clockspeed1.2 GHz1.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 64KB, L2: 2.0MB, L3: 0MBL1: 64KB, L2: 1.0MB, L3: 0MB
TDP5.5W27W
Yearly Running Cost$0.91$4.93
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples434
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)3653(-6.8%)3913(0.0%)
CPU Mark(% diff. to max in group)130(-6.2%)139(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 2nd of April 2025 - Higher results represent better performance
Intel Core Solo U1400 @ 1.20GHz
130
Intel Celeron M 420 @ 1.60GHz
139
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 2nd of April 2025 - Higher results represent better performance
Intel Core Solo U1400 @ 1.20GHz
365
Intel Celeron M 420 @ 1.60GHz
391
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 Core Solo U1400 @ 1.20GHz Intel Celeron M 420 @ 1.60GHz
Max TDP5.5W27W
Power consumption per day (kWh)0.010.05
Running cost per day$0.003$0.013
Power consumption per year (kWh)4.019.7
Running cost per year$1.00$4.93
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.