CPUBoss Review Our evaluation of 3820 vs 4670K among desktop CPUs (over 75W)

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

Fire Strike

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?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

9.1

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 4670K 

CPUBoss recommends the Intel Core i5 4670K  based on its power consumption and value.

See full details

Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Differences What are the advantages of each

Front view of Intel Core i7 3820

Reasons to consider the
Intel Core i7 3820

Report a correction
Much better PassMark score 9,014 vs 7,665 Around 20% better PassMark score
More threads 8 vs 4 Twice as many threads
Higher clock speed 3.6 GHz vs 3.4 GHz More than 5% higher clock speed
Better overclocked clock speed (Air) 4.72 GHz vs 4.48 GHz More than 5% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 4.74 GHz vs 4.55 GHz Around 5% better overclocked clock speed (Water)
Front view of Intel Core i5 4670K

Reasons to consider the
Intel Core i5 4670K

Report a correction
Much better cinebench r10 32Bit 1-core score 7,335 vs 5,006 More than 45% better cinebench r10 32Bit 1-core score
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 68.25W vs 139.6W 2x lower typical power consumption
Much better performance per watt 11.83 pt/W vs 6.98 pt/W Around 70% better performance per watt
Much better cinebench r10 32Bit score 25,519 vs 23,387 Around 10% better cinebench r10 32Bit score
Much better performance per dollar 5.18 pt/$ vs 4.61 pt/$ More than 10% better performance per dollar
Much lower annual home energy cost 20.24 $/year vs 49.49 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 73.58 $/year vs 138.93 $/year More than 45% lower annual commercial energy cost
Newer Apr, 2013 vs Feb, 2012 Release date over 1 years later

Benchmarks Real world tests of Core i7 3820 vs i5 4670K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 3820
12,538
Core i5 4670K
11,554

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 3820
2,500,000 MB/s
Core i5 4670K
4,930,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 3820
12,550
Core i5 4670K
11,573

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 3820
13,644
Core i5 4670K
12,725

GeekBench

Core i7 3820
15,655
Core i5 4670K
12,725

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Core i7 3820  vs i5 4670K 

8.0
8.0
Predictably things are pretty close in terms of raw performance.
Core i7 3820

Specifications Full list of technical specs

summary

Core i7 3820  vs
i5 4670K 
Clock speed 3.6 GHz 3.4 GHz
Turbo clock speed 3.8 GHz 3.8 GHz
Cores Quad core Quad core
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 84W
Annual home energy cost 49.49 $/year 20.24 $/year
Annual commercial energy cost 138.93 $/year 73.58 $/year
Performance per watt 6.98 pt/W 11.83 pt/W
Typical power consumption 139.6W 68.25W

bus

Architecture DMI 2.0 DMI 2.0
Number of links 1 0
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i7 3820  vs
i5 4670K 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 10 MB 6 MB
L3 cache per core 2.5 MB/core 1.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 66.8°C Unknown - 72.72°C

overclocking

Overclock popularity 142 57
Overclocked clock speed 4.72 GHz 4.48 GHz
Overclocked clock speed (Water) 4.74 GHz 4.55 GHz
PassMark (Overclocked) 5,531.8 5,198.5
Overclocked clock speed (Air) 4.72 GHz 4.48 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,200 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3
Channels Quad Channel Dual Channel
Supports ECC No No
Maximum bandwidth 51,200 MB/s 25,600 MB/s
Maximum memory size 65,771.52 MB 32,768 MB
Intel Core i7 3820
Report a correction
Intel Core i5 4670K
Report a correction

Comments

comments powered by Disqus