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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon X5660 vs Xeon X5650

The Intel Xeon X5660 @ 2.80GHz is newer than Intel Xeon X5650 @ 2.67GHz 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 Server CPU Class. The values below were tabulated from a combined 1114 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 Xeon X5660 @ 2.80GHz×Intel Xeon X5650 @ 2.67GHz+ ADD
Price Search Online $149.95 - BUY
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.8 GHz2.7 GHz
Turbo SpeedUp to 3.2 GHzUp to 3.1 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 384KB, L2: 1.5MB, L3: 12MBL1: 384KB, L2: 1.5MB, L3: 12MB
TDP95W95W
Yearly Running Cost$17.34$17.34
Other
First Seen on ChartQ2 2010Q1 2010
# of Samples331783
CPU Value599.038.3
Single Thread Rating(% diff. to max in group)1366(0.0%)1291(-5.5%)
CPU Mark(% diff. to max in group)5979(0.0%)5743(-3.9%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 22nd of June 2025 - Higher results represent better performance
Intel Xeon X5660 @ 2.80GHz
5,979
Intel Xeon X5650 @ 2.67GHz
5,743
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 22nd of June 2025 - Higher results represent better value
Intel Xeon X5660 @ 2.80GHz
599.0
Intel Xeon X5650 @ 2.67GHz
38.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 22nd of June 2025 - Higher results represent better performance
Intel Xeon X5660 @ 2.80GHz
1,366
Intel Xeon X5650 @ 2.67GHz
1,291
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 Xeon X5660 @ 2.80GHz Intel Xeon X5650 @ 2.67GHz
Max TDP95W95W
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.