CPUBoss Review Our evaluation of 4790K vs 6378 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

8.8

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4790K 

CPUBoss recommends the Intel Core i7 4790K  based on its performance and single-core performance.

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VS

Intel Core i7 4790K

CPUBoss Winner
Front view of Intel Core i7 4790K

Differences What are the advantages of each

Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 4 GHz vs 2.4 GHz More than 65% higher clock speed
Significantly higher turbo clock speed 4.4 GHz vs 3.3 GHz Around 35% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better PassMark (Single core) score 2,530 vs 996 More than 2.5x better PassMark (Single core) score
Much better PassMark score 11,194 vs 2,152 Around 5.2x better PassMark score
Much better performance per watt 11.42 pt/W vs 2.97 pt/W More than 3.8x better performance per watt
Significantly lower typical power consumption 71.5W vs 93.44W Around 25% lower typical power consumption
Significantly more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Significantly better overclocked clock speed (Air) 4.63 GHz vs 3.6 GHz Around 30% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.8 GHz vs 2.4 GHz Around 2x better overclocked clock speed (Water)
Newer Apr, 2014 vs Nov, 2012 Release date over 1 years later
Higher Maximum operating temperature 74.04 °C vs 69 °C More than 5% higher Maximum operating temperature
Significantly lower annual commercial energy cost 77.09 $/year vs 100.74 $/year Around 25% lower annual commercial energy cost
Significantly lower annual home energy cost 21.2 $/year vs 27.7 $/year Around 25% lower annual home energy cost
Front view of AMD Opteron 6378

Reasons to consider the
AMD Opteron 6378

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Much more l2 cache 16 MB vs 1 MB 16x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 16 vs 4 12 more cores; run more applications at once
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More l3 cache 16 MB vs 8 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
More threads 16 vs 8 Twice as many threads

Benchmarks Real world tests of Core i7 4790K vs Opteron 6378

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 4790K
15,490
Opteron 6378
46,510

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 4790K
5,140,000 MB/s
Opteron 6378
1,650 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4790K  vs
Opteron 6378 
Clock speed 4 GHz 2.4 GHz
Turbo clock speed 4.4 GHz 3.3 GHz
Cores Quad core 16 core
Is unlocked Yes No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
EM64T
SSE
ABM
BMI1
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
TBM
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 88W 115W
Annual home energy cost 21.2 $/year 27.7 $/year
Annual commercial energy cost 77.09 $/year 100.74 $/year
Performance per watt 11.42 pt/W 2.97 pt/W
Typical power consumption 71.5W 93.44W

bus

Architecture DMI 2.0 HyperTransport 3.0
Transfer rate 5,000 MT/s 6,400 MT/s

details

Core i7 4790K  vs
Opteron 6378 
Threads 8 16
L2 cache 1 MB 16 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 8 MB 16 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 4
Operating temperature Unknown - 74.04°C Unknown - 69°C

overclocking

Overclocked clock speed 4.63 GHz 3.6 GHz
Overclocked clock speed (Water) 4.8 GHz 2.4 GHz
Overclocked clock speed (Air) 4.63 GHz 3.6 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 4600 N/A
Number of displays supported 3 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 1,250 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3
Channels Dual Channel Quad Channel
Supports ECC No Yes
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Intel Core i7 4790K
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AMD Opteron 6378
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