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AMD Phenom II X3 B73 vs Intel Pentium G840

The Intel Pentium G840 @ 2.80GHz is newer than AMD Phenom II X3 B73, while AMD Phenom II X3 B73 is around 16% faster in multi-threaded (CPU Mark) testing, but Intel Pentium G840 @ 2.80GHz is around 18% faster in single-thread testing. However, AMD Phenom II X3 B73 uses around 38% more power. 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.

×AMD Phenom II X3 B73×Intel Pentium G840 @ 2.80GHz+ ADD
Price Search Online Search Online
Socket TypeAM3FCLGA1155
CPU ClassDesktopDesktop
Clockspeed2.8 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores3 (Threads: 3)2 (Threads: 2)
CacheL1: 384KB, L2: 1.5MB, L3: 6MBL1: 256KB, L2: 1.0MB, L3: 3MB
TDP95W65W
Yearly Running Cost$17.34$11.86
Other
First Seen on ChartQ3 2010Q2 2011
# of Samples11224
CPU Value20.522.5
Single Thread Rating(% diff. to max in group)1056(-17.6%)1281(0.0%)
CPU Mark(% diff. to max in group)1538(0.0%)1294(-15.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD Phenom II X3 B73
1,538
Intel Pentium G840 @ 2.80GHz
1,294
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 22nd of December 2024 - Higher results represent better value
AMD Phenom II X3 B73
20.5
Intel Pentium G840 @ 2.80GHz
22.5
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD Phenom II X3 B73
1,056
Intel Pentium G840 @ 2.80GHz
1,281
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.
AMD Phenom II X3 B73 Intel Pentium G840 @ 2.80GHz
Max TDP95W65W
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.