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Intel i5-2550K vs AMD FX-8120 Eight-

The Intel Core i5-2550K @ 3.40GHz is newer than AMD FX-8120 Eight-Core, while AMD FX-8120 Eight-Core is around 11% faster in multi-threaded (CPU Mark) testing, but Intel Core i5-2550K @ 3.40GHz is around 24% faster in single-thread testing. However, AMD FX-8120 Eight-Core uses around 27% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 2693 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 Core i5-2550K @ 3.40GHz×AMD FX-8120 Eight-Core+ ADD
Price $69.9 - BUY Search Online
Socket TypeLGA1155AM3+
CPU ClassDesktopDesktop
Clockspeed3.4 GHz3.1 GHz
Turbo SpeedUp to 3.8 GHzUp to 4.0 GHz
# of Physical Cores4 (Threads: 4)8 (in 4 physical modules)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 640KB, L2: 16.0MB, L3: 8MB
TDP95W125W
Yearly Running Cost$17.34$22.81
Other
First Seen on ChartQ1 2012Q4 2011
# of Samples1562537
CPU Value59.159.4
Single Thread Rating(% diff. to max in group)1755(0.0%)1331(-24.2%)
CPU Mark(% diff. to max in group)4134(-10.8%)4633(0.0%)
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
Intel Core i5-2550K @ 3.40GHz
4,134
AMD FX-8120 Eight-Core
4,633
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 22nd of December 2024 - Higher results represent better value
Intel Core i5-2550K @ 3.40GHz
59.1
AMD FX-8120 Eight-Core
59.4
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 22nd of December 2024 - Higher results represent better performance
Intel Core i5-2550K @ 3.40GHz
1,755
AMD FX-8120 Eight-Core
1,331
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 Core i5-2550K @ 3.40GHz AMD FX-8120 Eight-Core
Max TDP95W125W
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.