CPUBoss Review Our evaluation of E3-1275 v2 vs 3770K 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

8.1

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 3770K 

CPUBoss recommends the Intel Core i7 3770K  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Xeon E3-1275 v2

Reasons to consider the
Intel Xeon E3-1275 v2

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Much better geekbench 3 AES single core score 2,660,000 MB/s vs 2,620,000 MB/s Almost the same
Much lower typical power consumption 62.56W vs 114.97W More than 45% lower typical power consumption
Much better performance per watt 13.41 pt/W vs 4.55 pt/W Around 3x better performance per watt
Much better performance per dollar 2.95 pt/$ vs 2.21 pt/$ Around 35% better performance per dollar
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better turbo clock speed 1,250 MHz vs 1,150 MHz Around 10% better turbo clock speed
Much lower annual home energy cost 18.55 $/year vs 42.19 $/year 2.3x lower annual home energy cost
Much lower annual commercial energy cost 67.45 $/year vs 112.39 $/year Around 40% lower annual commercial energy cost
Front view of Intel Core i7 3770K

Reasons to consider the
Intel Core i7 3770K

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Much better CompuBench 1.5 T-Rex score 1.67 fps vs 0.56 fps Around 3x better CompuBench 1.5 T-Rex score

Benchmarks Real world tests of Xeon E3-1275 v2 vs Core i7 3770K

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Xeon E3-1275 v2
0.56 fps
Core i7 3770K
1.67 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E3-1275 v2
2,660,000 MB/s
Core i7 3770K
2,620,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1275 v2  vs
Core i7 3770K 
Clock speed 3.5 GHz 3.5 GHz
Turbo clock speed 3.9 GHz 3.9 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 77W 77W
Annual home energy cost 18.55 $/year 42.19 $/year
Annual commercial energy cost 67.45 $/year 112.39 $/year
Performance per watt 13.41 pt/W 4.55 pt/W
Typical power consumption 62.56W 114.97W

bus

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

details

Xeon E3-1275 v2  vs
Core i7 3770K 
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 22 nm 22 nm
Max CPUs 1 1
Clock multiplier 35 35

overclocking

Overclock popularity 6 332

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics P4000 Intel® HD Graphics 4000
Number of displays supported 3 3
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,250 MHz 1,150 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 33,556.48 MB 32,768 MB
Intel Xeon E3-1275 v2
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Intel Core i7 3770K
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