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Intel Xeon E5-2420 vs Xeon E3-1246 v3

The Intel Xeon E3-1246 v3 @ 3.50GHz is newer than Intel Xeon E5-2420 @ 1.90GHz also around 31% faster in multi-threaded (CPU Mark) testing and is significantly faster in single-thread testing. However, Intel Xeon E5-2420 @ 1.90GHz uses around 12% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 520 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 E5-2420 @ 1.90GHz×Intel Xeon E3-1246 v3 @ 3.50GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1356FCLGA1150
CPU ClassServerServer
Clockspeed1.9 GHz3.5 GHz
Turbo SpeedUp to 2.4 GHzUp to 3.9 GHz
# of Physical Cores6 (Threads: 12)4 (Threads: 8)
CacheL1: 384KB, L2: 1.5MB, L3: 15MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP95W84W
Yearly Running Cost$17.34$15.33
OtherIntel HD Graphics P4600
First Seen on ChartQ2 2012Q2 2014
# of Samples96424
CPU Value14.19.6
Single Thread Rating(% diff. to max in group)1084(-51.0%)2214(0.0%)
CPU Mark(% diff. to max in group)5031(-30.9%)7282(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 2nd of January 2025 - Higher results represent better performance
Intel Xeon E5-2420 @ 1.90GHz
5,031
Intel Xeon E3-1246 v3 @ 3.50GHz
7,282
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 2nd of January 2025 - Higher results represent better value
Intel Xeon E5-2420 @ 1.90GHz
14.1
Intel Xeon E3-1246 v3 @ 3.50GHz
9.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 2nd of January 2025 - Higher results represent better performance
Intel Xeon E5-2420 @ 1.90GHz
1,084
Intel Xeon E3-1246 v3 @ 3.50GHz
2,214
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 E5-2420 @ 1.90GHz Intel Xeon E3-1246 v3 @ 3.50GHz
Max TDP95W84W
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.