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The Intel Celeron B820 @ 1.70GHz is newer than Intel Celeron 877 @ 1.40GHz also around 13% faster in multi-threaded (CPU Mark) testing, it is around 14% faster in single-thread testing. However, Intel Celeron 877 @ 1.40GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 467 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
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×Intel Celeron 877 @ 1.40GHz | ×Intel Celeron B820 @ 1.70GHz | + ADD | |
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Socket Type | BGA1023 | PGA988B | |
CPU Class | Laptop | Laptop | |
Clockspeed | 1.4 GHz | 1.7 GHz | |
Turbo Speed | Not Supported | Not Supported | |
# of Physical Cores | 2 (Threads: 2) | 2 (Threads: 2) | |
Cache | L1: 256KB, L2: 1.0MB, L3: 2MB | L1: 128KB, L2: 0.5MB, L3: 2MB | |
TDP | 17W | 35W | |
Yearly Running Cost | $3.10 | $6.39 | |
Other | |||
First Seen on Chart | Q2 2012 | Q3 2012 | |
# of Samples | 150 | 317 | |
CPU Value | 0.0 | 27.5 | |
Single Thread Rating(% diff. to max in group) | 648(-13.7%) | 750(0.0%) | |
CPU Mark(% diff. to max in group) | 700(-13.2%) | 806(0.0%) |
Intel Celeron 877 @ 1.40GHz | 700 | |
Intel Celeron B820 @ 1.70GHz | 806 | |
PassMark Software © 2008-2025 |
Intel Celeron 877 @ 1.40GHz | NA | |
Intel Celeron B820 @ 1.70GHz | 27.5 | |
PassMark Software © 2008-2025 |
Intel Celeron 877 @ 1.40GHz | 648 | |
Intel Celeron B820 @ 1.70GHz | 750 | |
PassMark Software © 2008-2025 |
Intel Celeron 877 @ 1.40GHz | Intel Celeron B820 @ 1.70GHz | |
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Max TDP | 17W | 35W |
Power consumption per day (kWh) | NA | NA |
Running cost per day | NA | NA |
Power consumption per year (kWh) | NA | NA |
Running cost per year | NA | NA |