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Intel Pentium G840 vs AMD Athlon II X2 270

The AMD Athlon II X2 270 is newer than Intel Pentium G840 @ 2.80GHz, while the multi-threaded (CPU Mark) is simliar, AMD Athlon II X2 270 is around 6% 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 722 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 G840 @ 2.80GHz×AMD Athlon II X2 270+ ADD
Price Search Online $38.04 - BUY
Socket TypeFCLGA1155AM3
CPU ClassDesktopDesktop
Clockspeed2.8 GHz3.4 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 1.0MB, L3: 3MBL1: 256KB, L2: 2.0MB,
TDP65W65W
Yearly Running Cost$11.86$11.86
Other
First Seen on ChartQ2 2011Q3 2011
# of Samples225497
CPU Value22.634.6
Single Thread Rating(% diff. to max in group)1283(-5.9%)13633(0.0%)
CPU Mark(% diff. to max in group)1304(-0.9%)1316(0.0%)
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 1st of March 2025 - Higher results represent better performance
Intel Pentium G840 @ 2.80GHz
1,304
AMD Athlon II X2 270
1,316
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 1st of March 2025 - Higher results represent better value
Intel Pentium G840 @ 2.80GHz
22.6
AMD Athlon II X2 270
34.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 1st of March 2025 - Higher results represent better performance
Intel Pentium G840 @ 2.80GHz
1,283
AMD Athlon II X2 270
1,363
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 Pentium G840 @ 2.80GHz AMD Athlon II X2 270
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.