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Intel Xeon W3580 vs Atom C2750

The Intel Atom C2750 @ 2.40GHz is newer than Intel Xeon W3580 @ 3.33GHz and is around -23% slower in multi-threaded (CPU Mark) testing. However, it is significantly slower in single-thread testing. Also, Intel Atom C2750 @ 2.40GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 114 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 W3580 @ 3.33GHz×Intel Atom C2750 @ 2.40GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1366FCBGA1283
CPU ClassServerServer
Clockspeed3.3 GHz2.4 GHz
Turbo SpeedUp to 3.6 GHzUp to 2.6 GHz
# of Physical Cores4 (Threads: 8)8 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 448KB, L2: 2.0MB, L3: 0MB
TDP130W20W
Yearly Running Cost$23.73$3.65
Other
First Seen on ChartQ4 2009Q1 2014
# of Samples8529
CPU Rank27663133
CPU Value17.012.0
Single Thread Rating(% diff. to max in group)1556(0.0%)693(-55.5%)
CPU Mark(% diff. to max in group)3638(0.0%)2787(-23.4%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 13th of March 2026 - Higher results represent better performance
Intel Xeon W3580 @ 3.33GHz
3,638
Intel Atom C2750 @ 2.40GHz
2,787
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 13th of March 2026 - Higher results represent better value
Intel Xeon W3580 @ 3.33GHz
17.0
Intel Atom C2750 @ 2.40GHz
12.0
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 13th of March 2026 - Higher results represent better performance
Intel Xeon W3580 @ 3.33GHz
1,556
Intel Atom C2750 @ 2.40GHz
693
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.
Intel Xeon W3580 @ 3.33GHz Intel Atom C2750 @ 2.40GHz
Max TDP130W20W
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.