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Intel i5-661 vs AMD Phenom II X4 850

The AMD Phenom II X4 850 is newer than Intel Core i5-661 @ 3.33GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. 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 315 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 i5-661 @ 3.33GHz×AMD Phenom II X4 850+ ADD
Price Search Online Search Online
Socket TypeLGA1156AM2+/AM3
CPU ClassDesktopDesktop
Clockspeed3.3 GHz3.3 GHz
Turbo SpeedUp to 3.6 GHzNot Supported
# of Physical Cores2 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 4MBL1: 512KB, L2: 2.0MB,
TDP87W95W
Yearly Running Cost$15.88$17.34
Other
First Seen on ChartQ1 2010Q3 2011
# of Samples197118
CPU Value31.037.8
Single Thread Rating(% diff. to max in group)1449(0.0%)1251(-13.6%)
CPU Mark(% diff. to max in group)2482(0.0%)2455(-1.1%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 23rd of April 2025 - Higher results represent better performance
Intel Core i5-661 @ 3.33GHz
2,482
AMD Phenom II X4 850
2,455
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 23rd of April 2025 - Higher results represent better value
Intel Core i5-661 @ 3.33GHz
31.0
AMD Phenom II X4 850
37.8
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 23rd of April 2025 - Higher results represent better performance
Intel Core i5-661 @ 3.33GHz
1,449
AMD Phenom II X4 850
1,251
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 Core i5-661 @ 3.33GHz AMD Phenom II X4 850
Max TDP87W95W
Power consumption per day (kWh)0.170.19
Running cost per day$0.043$0.048
Power consumption per year (kWh)63.569.3
Running cost per year$15.88$17.34
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.