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Intel Xeon X5667 vs Xeon E5-2637 v3

The Intel Xeon E5-2637 v3 @ 3.50GHz is newer than Intel Xeon X5667 @ 3.07GHz and is significantly faster in multi-threaded (CPU Mark) testing. The Intel Xeon E5-2637 v3 @ 3.50GHz is around 39% faster in single-thread testing. Also, Intel Xeon E5-2637 v3 @ 3.50GHz uses around 35% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 73 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 X5667 @ 3.07GHz×Intel Xeon E5-2637 v3 @ 3.50GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1366LGA2011-v3
CPU ClassServerServer
Clockspeed3.1 GHz3.5 GHz
Turbo SpeedUp to 3.5 GHzUp to 3.7 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 12MBL1: 256KB, L2: 1.0MB, L3: 15MB
TDP95W135W
Yearly Running Cost$17.34$24.64
Other
First Seen on ChartQ3 2010Q4 2014
# of Samples3142
CPU Rank24301889
CPU Value260.431.5
Single Thread Rating(% diff. to max in group)1469(-28.1%)2042(0.0%)
CPU Mark(% diff. to max in group)4697(-35.2%)7251(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 11th of February 2026 - Higher results represent better performance
Intel Xeon X5667 @ 3.07GHz
4,697
Intel Xeon E5-2637 v3 @ 3.50GHz
7,251
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 11th of February 2026 - Higher results represent better value
Intel Xeon X5667 @ 3.07GHz
260.4
Intel Xeon E5-2637 v3 @ 3.50GHz
31.5
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 11th of February 2026 - Higher results represent better performance
Intel Xeon X5667 @ 3.07GHz
1,469
Intel Xeon E5-2637 v3 @ 3.50GHz
2,042
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 X5667 @ 3.07GHz Intel Xeon E5-2637 v3 @ 3.50GHz
Max TDP95W135W
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.