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Intel Celeron G555 vs Pentium G840

The Intel Celeron G555 @ 2.70GHz is newer than Intel Pentium G840 @ 2.80GHz also around 9% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 235 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 G555 @ 2.70GHz×Intel Pentium G840 @ 2.80GHz+ ADD
Price $65.1 - BUY Search Online
Socket TypeLGA1155FCLGA1155
CPU ClassDesktopDesktop
Clockspeed2.7 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 0.5MB, L3: 2MBL1: 256KB, L2: 1.0MB, L3: 3MB
TDP65W65W
Yearly Running Cost$11.86$11.86
Other
First Seen on ChartQ1 2012Q2 2011
# of Samples14221
CPU Value21.321.9
Single Thread Rating(% diff. to max in group)1289(0.0%)12733(-1.2%)
CPU Mark(% diff. to max in group)1388(0.0%)1264(-8.9%)
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 21st of November 2024 - Higher results represent better performance
Intel Celeron G555 @ 2.70GHz
1,388
Intel Pentium G840 @ 2.80GHz
1,264
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 21st of November 2024 - Higher results represent better value
Intel Celeron G555 @ 2.70GHz
21.3
Intel Pentium G840 @ 2.80GHz
21.9
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 21st of November 2024 - Higher results represent better performance
Intel Celeron G555 @ 2.70GHz
1,289
Intel Pentium G840 @ 2.80GHz
1,273
PassMark Software © 2008-2024
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 G555 @ 2.70GHz Intel Pentium G840 @ 2.80GHz
Max TDP65W65W
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.