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Intel Pentium G870 vs Pentium G645

The Intel Pentium G870 @ 3.10GHz is newer than Intel Pentium G645 @ 2.90GHz also around 8% faster in multi-threaded (CPU Mark) testing, it is around 9% faster in single-thread testing. 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 479 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 Pentium G870 @ 3.10GHz×Intel Pentium G645 @ 2.90GHz+ ADD
Price $67.64 - BUY $40.99 - BUY
Socket TypeFCLGA1155LGA1155
CPU ClassDesktopDesktop
Clockspeed3.1 GHz2.9 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 1.0MB, L3: 3MBL1: 128KB, L2: 0.5MB, L3: 3MB
TDP65W65W
Yearly Running Cost$11.86$11.86
Other
First Seen on ChartQ3 2012Q1 2012
# of Samples87392
CPU Value22.934.9
Single Thread Rating(% diff. to max in group)1467(0.0%)1340(-8.6%)
CPU Mark(% diff. to max in group)1546(0.0%)1429(-7.5%)

CPU Mark Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Pentium G870 @ 3.10GHz
1,546
Intel Pentium G645 @ 2.90GHz
1,429
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of December 2024 - Higher results represent better value
Intel Pentium G870 @ 3.10GHz
22.9
Intel Pentium G645 @ 2.90GHz
34.9
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Pentium G870 @ 3.10GHz
1,467
Intel Pentium G645 @ 2.90GHz
1,340
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 Pentium G870 @ 3.10GHz Intel Pentium G645 @ 2.90GHz
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.