iconcharts
0

CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5645 vs Xeon E-2126G

The Intel Xeon E-2126G @ 3.30GHz is newer than Intel Xeon E5645 @ 2.40GHz and is significantly faster in multi-threaded (CPU Mark) testing and is significantly faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 126 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 E5645 @ 2.40GHz×Intel Xeon E-2126G @ 3.30GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1366FCLGA1151-2
CPU ClassServerServer
Clockspeed2.4 GHz3.3 GHz
Turbo SpeedUp to 2.7 GHzUp to 4.5 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 6)
CacheL1: 384KB, L2: 1.5MB, L3: 12MBL1: 384KB, L2: 1.5MB, L3: 12MB
TDP80W80W
Yearly Running Cost$14.60$14.60
OtherIntel UHD Graphics P630
First Seen on ChartQ2 2011Q4 2018
# of Samples10323
CPU Value36.430.5
Single Thread Rating(% diff. to max in group)1135(-56.4%)2605(0.0%)
CPU Mark(% diff. to max in group)4988(-51.9%)10370(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 2nd of April 2025 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
4,988
Intel Xeon E-2126G @ 3.30GHz
10,370
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 2nd of April 2025 - Higher results represent better value
Intel Xeon E5645 @ 2.40GHz
36.4
Intel Xeon E-2126G @ 3.30GHz
30.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 2nd of April 2025 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
1,135
Intel Xeon E-2126G @ 3.30GHz
2,605
PassMark Software © 2008-2025
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 E5645 @ 2.40GHz Intel Xeon E-2126G @ 3.30GHz
Max TDP80W80W
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.