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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon X5647 @ 2.93GHz vs Intel Xeon E3-1275 @ 3.40GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

  • 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 X5647 @ 2.93GHz×Intel Xeon E3-1275 @ 3.40GHz+ ADD
Price Search Online $160 - BUY
Socket TypeLGA1366LGA1155
CPU ClassServerServer
Clockspeed2.9 GHz3.4 GHz
Turbo SpeedUp to 3.2 GHzUp to 3.8 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 512KB, L2: 2.0MB, L3: 12MBL1: 256KB, L2: 1.0MB,
TDP130W95W
Yearly Running Cost$23.73$17.34
Other
First Seen on ChartQ3 2011Q2 2011
# of Samples35118
CPU Value222.834.3
Single Thread Rating(% diff. to max in group)1382(-21.8%)1767(0.0%)
CPU Mark(% diff. to max in group)4441(-19.1%)5490(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of December 2023 - Higher results represent better performance
Intel Xeon X5647 @ 2.93GHz
4,441
Intel Xeon E3-1275 @ 3.40GHz
5,490
PassMark Software © 2008-2023
CPU Value (CPU Mark / $Price)
As of 6th of December 2023 - Higher results represent better value
Intel Xeon X5647 @ 2.93GHz
222.8
Intel Xeon E3-1275 @ 3.40GHz
34.3
PassMark Software © 2008-2023
CPU Single Thread Rating
As of 6th of December 2023 - Higher results represent better performance
Intel Xeon X5647 @ 2.93GHz
1,382
Intel Xeon E3-1275 @ 3.40GHz
1,767
PassMark Software © 2008-2023

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 X5647 @ 2.93GHzIntel Xeon E3-1275 @ 3.40GHz
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.