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Intel Celeron B800 vs Celeron B820

The Intel Celeron B820 @ 1.70GHz is newer than Intel Celeron B800 @ 1.50GHz also around 18% faster in multi-threaded (CPU Mark) testing, it is around 15% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 621 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 Celeron B800 @ 1.50GHz×Intel Celeron B820 @ 1.70GHz+ ADD
Price Search Online Search Online
Socket TypePGA988BPGA988B
CPU ClassLaptopLaptop
Clockspeed1.5 GHz1.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 0.5MB, L3: 2MBL1: 128KB, L2: 0.5MB, L3: 2MB
TDP35W35W
Yearly Running Cost$6.39$6.39
Other
First Seen on ChartQ3 2011Q3 2012
# of Samples302319
CPU Value24.727.7
Single Thread Rating(% diff. to max in group)642(-14.8%)753(0.0%)
CPU Mark(% diff. to max in group)666(-18.1%)813(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 2nd of April 2025 - Higher results represent better performance
Intel Celeron B800 @ 1.50GHz
666
Intel Celeron B820 @ 1.70GHz
813
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 2nd of April 2025 - Higher results represent better value
Intel Celeron B800 @ 1.50GHz
24.7
Intel Celeron B820 @ 1.70GHz
27.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 2nd of April 2025 - Higher results represent better performance
Intel Celeron B800 @ 1.50GHz
642
Intel Celeron B820 @ 1.70GHz
753
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 Celeron B800 @ 1.50GHz Intel Celeron B820 @ 1.70GHz
Max TDP35W35W
Power consumption per day (kWh)0.070.07
Running cost per day$0.018$0.018
Power consumption per year (kWh)25.625.6
Running cost per year$6.39$6.39
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.