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Intel Xeon E3-1235 vs Xeon E3-1270

The Intel Xeon E3-1270 @ 3.40GHz is newer than Intel Xeon E3-1235 @ 3.20GHz and is around 7% faster in multi-threaded (CPU Mark) testing. The Intel Xeon E3-1270 @ 3.40GHz is around 9% faster in single-thread testing. Also, Intel Xeon E3-1235 @ 3.20GHz uses around 17% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 418 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 E3-1235 @ 3.20GHz×Intel Xeon E3-1270 @ 3.40GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1155LGA1155
CPU ClassServerServer
Clockspeed3.2 GHz3.4 GHz
Turbo SpeedUp to 3.6 GHzUp to 3.8 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L1: 256KB, L2: 1.0MB, L3: 8MB
TDP95W80W
Yearly Running Cost$17.34$14.60
Other
First Seen on ChartQ2 2011Q2 2011
# of Samples56362
CPU Rank23432260
CPU Value18.730.2
Single Thread Rating(% diff. to max in group)1600(-8.3%)1745(0.0%)
CPU Mark(% diff. to max in group)5037(-6.3%)5377(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 22nd of January 2026 - Higher results represent better performance
Intel Xeon E3-1235 @ 3.20GHz
5,037
Intel Xeon E3-1270 @ 3.40GHz
5,377
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 22nd of January 2026 - Higher results represent better value
Intel Xeon E3-1235 @ 3.20GHz
18.7
Intel Xeon E3-1270 @ 3.40GHz
30.2
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 22nd of January 2026 - Higher results represent better performance
Intel Xeon E3-1235 @ 3.20GHz
1,600
Intel Xeon E3-1270 @ 3.40GHz
1,745
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 E3-1235 @ 3.20GHz Intel Xeon E3-1270 @ 3.40GHz
Max TDP95W80W
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.