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Intel Xeon W3565 vs Xeon X3440

The Intel Xeon W3565 @ 3.20GHz is newer than Intel Xeon X3440 @ 2.53GHz and is around 22% faster in multi-threaded (CPU Mark) testing. The Intel Xeon W3565 @ 3.20GHz is around 31% faster in single-thread testing. Also, Intel Xeon W3565 @ 3.20GHz uses around 31% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 630 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 W3565 @ 3.20GHz×Intel Xeon X3440 @ 2.53GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1366LGA1156
CPU ClassServerServer
Clockspeed3.2 GHz2.5 GHz
Turbo SpeedUp to 3.5 GHzUp to 2.9 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP130W95W
Yearly Running Cost$23.73$17.34
Other
First Seen on ChartQ4 2009Q4 2009
# of Samples461169
CPU Rank28533135
CPU Value56.664.8
Single Thread Rating(% diff. to max in group)1506(0.0%)1150(-23.6%)
CPU Mark(% diff. to max in group)3394(0.0%)2786(-17.9%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 15th of March 2026 - Higher results represent better performance
Intel Xeon W3565 @ 3.20GHz
3,394
Intel Xeon X3440 @ 2.53GHz
2,786
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 15th of March 2026 - Higher results represent better value
Intel Xeon W3565 @ 3.20GHz
56.6
Intel Xeon X3440 @ 2.53GHz
64.8
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 15th of March 2026 - Higher results represent better performance
Intel Xeon W3565 @ 3.20GHz
1,506
Intel Xeon X3440 @ 2.53GHz
1,150
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 W3565 @ 3.20GHz Intel Xeon X3440 @ 2.53GHz
Max TDP130W95W
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.