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AMD Opteron 6276 vs Intel Xeon E3-1270 v3

The Intel Xeon E3-1270 v3 @ 3.50GHz is newer than AMD Opteron 6276 and is around 14% faster in multi-threaded (CPU Mark) testing. It is also significantly faster in single-thread testing. Also, AMD Opteron 6276 uses around 36% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 427 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.

×AMD Opteron 6276×Intel Xeon E3-1270 v3 @ 3.50GHz+ ADD
Price Search Online Search Online
Socket TypeSocket G34LGA1150
CPU ClassServerServer
Clockspeed2.3 GHz3.5 GHz
Turbo SpeedUp to 2.6 GHzUp to 3.9 GHz
# of Physical Cores16 (in 8 physical modules)4 (Threads: 8)
CacheL1: 1,280KB, L2: 32.0MB, L3: 12MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP115W80W
Yearly Running Cost$20.99$14.60
Other
First Seen on ChartQ1 2013Q2 2013
# of Samples9418
CPU Value16.017.7
Single Thread Rating(% diff. to max in group)1033(-52.7%)2187(0.0%)
CPU Mark(% diff. to max in group)6348(-12.3%)7239(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 18th of November 2025 - Higher results represent better performance
AMD Opteron 6276
6,348
Intel Xeon E3-1270 v3 @ 3.50GHz
7,239
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 18th of November 2025 - Higher results represent better value
AMD Opteron 6276
16.0
Intel Xeon E3-1270 v3 @ 3.50GHz
17.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 18th of November 2025 - Higher results represent better performance
AMD Opteron 6276
1,033
Intel Xeon E3-1270 v3 @ 3.50GHz
2,187
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.
AMD Opteron 6276 Intel Xeon E3-1270 v3 @ 3.50GHz
Max TDP115W80W
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.