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Intel Xeon E3-1585L v5 vs Xeon E3-1275 v6

The Intel Xeon E3-1585L v5 @ 3.00GHz is newer than Intel Xeon E3-1275 v6 @ 3.80GHz and is around -13% slower in multi-threaded (CPU Mark) testing. The Intel Xeon E3-1585L v5 @ 3.00GHz is around -15% slower in single-thread testing. Also, Intel Xeon E3-1275 v6 @ 3.80GHz uses around 47% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 79 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 E3-1585L v5 @ 3.00GHz×Intel Xeon E3-1275 v6 @ 3.80GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1440FCLGA1151
CPU ClassServerServer
Clockspeed3.0 GHz3.8 GHz
Turbo SpeedUp to 3.7 GHzUp to 4.2 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 32MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP45W73W
Yearly Running Cost$8.21$13.32
OtherIntel Iris Pro Graphics P580
First Seen on ChartQ2 2018Q2 2017
# of Samples772
CPU Rank17911653
CPU Value17.918.4
Single Thread Rating(% diff. to max in group)2152(-14.8%)2526(0.0%)
CPU Mark(% diff. to max in group)7959(-13.5%)9198(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 13th of February 2026 - Higher results represent better performance
Intel Xeon E3-1585L v5 @ 3.00GHz
7,959
Intel Xeon E3-1275 v6 @ 3.80GHz
9,198
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 13th of February 2026 - Higher results represent better value
Intel Xeon E3-1585L v5 @ 3.00GHz
17.9
Intel Xeon E3-1275 v6 @ 3.80GHz
18.4
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 13th of February 2026 - Higher results represent better performance
Intel Xeon E3-1585L v5 @ 3.00GHz
2,152
Intel Xeon E3-1275 v6 @ 3.80GHz
2,526
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 E3-1585L v5 @ 3.00GHz Intel Xeon E3-1275 v6 @ 3.80GHz
Max TDP45W73W
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.