CPUBoss Review Our evaluation of E5-1620 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

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5-1620 

CPUBoss recommends the Intel Xeon E5-1620  based on its performance, single-core performance and value.

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VS

Intel Xeon E5-1620

CPUBoss Winner
Front view of Intel Xeon E5-1620

Differences What are the advantages of each

Front view of Intel Xeon E5-1620

Reasons to consider the
Intel Xeon E5-1620

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Much better performance per dollar 4.91 pt/$ vs 2.21 pt/$ Around 2.2x better performance per dollar
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better performance per watt 7.51 pt/W vs 4.55 pt/W More than 65% better performance per watt
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Supports more RAM 384,000 MB vs 32,768 MB Supports around 11.8x more RAM
Lower annual home energy cost 31.32 $/year vs 42.19 $/year More than 25% lower annual home energy cost
Front view of Intel Core i7 3770K

Reasons to consider the
Intel Core i7 3770K

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Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Better CompuBench 1.5 T-Rex score 1.67 fps vs 0.62 fps Around 2.8x better CompuBench 1.5 T-Rex score
Higher Maximum operating temperature 67.4 °C vs 64 °C More than 5% higher Maximum operating temperature
Better overclocked clock speed (Water) 4.64 GHz vs 3.6 GHz Around 30% better overclocked clock speed (Water)
Newer Apr, 2012 vs Mar, 2012 Release date 1 months later

Benchmarks Real world tests of Xeon E5-1620 vs Core i7 3770K

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Xeon E5-1620
0.62 fps
Core i7 3770K
1.67 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-1620
12,397
Core i7 3770K
13,098

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-1620
2,460,000 MB/s
Core i7 3770K
2,620,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5-1620
13,003
Core i7 3770K
13,703

GeekBench (64-bit) Data courtesy Primate Labs

Xeon E5-1620
13,786
Core i7 3770K
14,866

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-1620  vs
Core i7 3770K 
Clock speed 3.6 GHz 3.5 GHz
Turbo clock speed 3.8 GHz 3.9 GHz
Cores Quad core Quad core
Socket type
LGA 2011
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 130W 77W
Annual home energy cost 31.32 $/year 42.19 $/year
Annual commercial energy cost 113.88 $/year 112.39 $/year
Performance per watt 7.51 pt/W 4.55 pt/W
Typical power consumption 105.63W 114.97W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 51,200 MB/s 25,600 MB/s
Maximum memory size 384,000 MB 32,768 MB

details

Xeon E5-1620  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 10 MB 8 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1
Clock multiplier 38 35
Voltage range 0.6 - 1.35V 1.33 - 1.36V
Operating temperature Unknown - 64°C Unknown - 67.4°C

overclocking

Overclocked clock speed 4.15 GHz 4.69 GHz
Overclocked clock speed (Water) 3.6 GHz 4.64 GHz
Overclocked clock speed (Air) 4.15 GHz 4.69 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4000
Latest DirectX N/A 11.x
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,150 MHz
3DMark06 N/A 5,339.9

bus

Architecture QPI DMI
Number of links 0 1
Transfer rate 0 MT/s 5,000 MT/s
Intel Xeon E5-1620
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Intel Core i7 3770K
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