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AMD Phenom II X4 805 vs Intel i3-550

The Intel Core i3-550 @ 3.20GHz is newer than AMD Phenom II X4 805, while AMD Phenom II X4 805 is around 19% faster in multi-threaded (CPU Mark) testing, but Intel Core i3-550 @ 3.20GHz is around 24% faster in single-thread testing. However, AMD Phenom II X4 805 uses around 26% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1422 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 X4 805×Intel Core i3-550 @ 3.20GHz+ ADD
Price Search Online Search Online
Socket TypeAM3LGA1156
CPU ClassDesktopDesktop
Clockspeed2.5 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)2 (Threads: 4)
CacheL1: 512KB, L2: 2.0MB, L3: 4MBL1: 128KB, L2: 0.5MB, L3: 4MB
TDP95W73W
Yearly Running Cost$17.34$13.32
Other
First Seen on ChartQ2 2009Q2 2010
# of Samples471375
CPU Value11.59.6
Single Thread Rating(% diff. to max in group)1022(-23.9%)1343(0.0%)
CPU Mark(% diff. to max in group)2001(0.0%)1625(-18.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of April 2025 - Higher results represent better performance
AMD Phenom II X4 805
2,001
Intel Core i3-550 @ 3.20GHz
1,625
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 21st of April 2025 - Higher results represent better value
AMD Phenom II X4 805
11.5
Intel Core i3-550 @ 3.20GHz
9.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 21st of April 2025 - Higher results represent better performance
AMD Phenom II X4 805
1,022
Intel Core i3-550 @ 3.20GHz
1,343
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.
AMD Phenom II X4 805 Intel Core i3-550 @ 3.20GHz
Max TDP95W73W
Power consumption per day (kWh)0.190.15
Running cost per day$0.048$0.036
Power consumption per year (kWh)69.353.3
Running cost per year$17.34$13.32
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.