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AMD Opteron 275 vs Intel Xeon E5503

The Intel Xeon E5503 @ 2.00GHz is newer than AMD Opteron 275 is significantly faster in single-thread testing. Also, AMD Opteron 275 uses around 17% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 13 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 Opteron 275×Intel Xeon E5503 @ 2.00GHz+ ADD
Price Search Online Search Online
Socket Type940LGA1366
CPU ClassServerServer
Clockspeed2.2 GHz2.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 2.0MB, L1: 256KB, L2: 1.0MB,
TDP95W80W
Yearly Running Cost$17.34$14.60
Other
First Seen on ChartQ4 2008Q2 2010
# of Samples211
CPU Rank46434674
CPU Value5.66.3
Single Thread Rating(% diff. to max in group)445(-47.3%)8453(0.0%)
CPU Mark(% diff. to max in group)839(0.0%)804(-4.2%)
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 7th of February 2026 - Higher results represent better performance
AMD Opteron 275
839
Intel Xeon E5503 @ 2.00GHz
804
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 7th of February 2026 - Higher results represent better value
AMD Opteron 275
5.6
Intel Xeon E5503 @ 2.00GHz
6.3
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 7th of February 2026 - Higher results represent better performance
AMD Opteron 275
445
Intel Xeon E5503 @ 2.00GHz
845
PassMark Software © 2008-2026
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 Opteron 275 Intel Xeon E5503 @ 2.00GHz
Max TDP95W80W
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.