CPUBoss Review Our evaluation of E3-1235 vs 2600K among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

7.9

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 2600K 

CPUBoss recommends the Intel Core i7 2600K  based on its performance and single-core performance.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E3-1235

Reasons to consider the
Intel Xeon E3-1235

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Much lower typical power consumption 77.19W vs 114.2W More than 30% lower typical power consumption
Much better performance per dollar 3.61 pt/$ vs 2.92 pt/$ Around 25% better performance per dollar
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better performance per watt 10.27 pt/W vs 7.53 pt/W More than 35% better performance per watt
Much lower annual home energy cost 22.89 $/year vs 41.8 $/year More than 45% lower annual home energy cost
Significantly lower annual commercial energy cost 83.22 $/year vs 111.78 $/year More than 25% lower annual commercial energy cost
Newer Apr, 2011 vs Jan, 2011 Release date 3 months later
Front view of Intel Core i7 2600K

Reasons to consider the
Intel Core i7 2600K

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Higher clock speed 3.4 GHz vs 3.2 GHz More than 5% higher clock speed
Slightly higher turbo clock speed 3.8 GHz vs 3.6 GHz More than 5% higher turbo clock speed
Much better overclocked clock speed (Air) 5.05 GHz vs 3.2 GHz Around 60% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.76 GHz vs 3.2 GHz Around 50% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E3-1235 vs Core i7 2600K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E3-1235
10,719
Core i7 2600K
11,563

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E3-1235
2,275,000 MB/s
Core i7 2600K
2,500,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E3-1235
10,351
Core i7 2600K
12,823

GeekBench (64-bit) Data courtesy Primate Labs

Xeon E3-1235
14,032
Core i7 2600K
13,916

GeekBench

Xeon E3-1235
14,032
Core i7 2600K
16,706

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1235  vs
Core i7 2600K 
Clock speed 3.2 GHz 3.4 GHz
Turbo clock speed 3.6 GHz 3.8 GHz
Cores Quad core Quad core
Socket type
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 95W
Annual home energy cost 22.89 $/year 41.8 $/year
Annual commercial energy cost 83.22 $/year 111.78 $/year
Performance per watt 10.27 pt/W 7.53 pt/W
Typical power consumption 77.19W 114.2W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Xeon E3-1235  vs
Core i7 2600K 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 32 34
Operating temperature Unknown - 72.6°C Unknown - 72.6°C

overclocking

Overclock popularity 0 2,016
Overclocked clock speed 3.2 GHz 5.05 GHz
Overclocked clock speed (Water) 3.2 GHz 4.76 GHz
Overclocked clock speed (Air) 3.2 GHz 5.05 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics P3000 Intel® HD Graphics 3000
Number of displays supported 2 2
GPU clock speed 850 MHz 850 MHz
Turbo clock speed 1,350 MHz 1,350 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Xeon E3-1235
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Intel Core i7 2600K
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