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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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Much higher turbo clock speed 4.4 GHz vs None Compared to all cpus, 4.4 GHz turbo clock speed is just OK
Much higher clock speed 4 GHz vs 1.9 GHz More than 2x higher clock speed
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much better geekbench 3 Multi-Core score 15,490 vs 2,088 Around 7.5x better geekbench 3 Multi-Core score
Much better geekbench 3 single core score 4,004 vs 685 More than 5.8x better geekbench 3 single core score
Much better performance per watt 11.42 pt/W vs 1.71 pt/W Around 6.8x better performance per watt
Much better overclocked clock speed (Air) 4.63 GHz vs 1.9 GHz Around 2.5x better overclocked clock speed (Air)
Newer manufacturing process 22 nm vs 28 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Water) 4.8 GHz vs 1.9 GHz More than 2.5x better overclocked clock speed (Water)
Newer Apr, 2014 vs May, 2013 Release date 11 months later
Front view of AMD Opteron X2150

Reasons to consider the
AMD Opteron X2150

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 17.88W vs 71.5W 4x lower typical power consumption
Significantly higher GPU clock speed 600 MHz vs 350 MHz More than 70% higher GPU clock speed
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual home energy cost 5.3 $/year vs 21.2 $/year 4x lower annual home energy cost
Much lower annual commercial energy cost 19.27 $/year vs 77.09 $/year 4x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 4790K vs Opteron X2150

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

Core i7 4790K
5,140,000 MB/s
Opteron X2150
567.3 MB/s

Specifications Full list of technical specs

summary

Core i7 4790K  vs
Opteron X2150 
Clock speed 4 GHz 1.9 GHz
Turbo clock speed 4.4 GHz None
Cores Quad core Quad core
Is unlocked Yes No

features

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

power consumption

TDP 88W 22W
Annual home energy cost 21.2 $/year 5.3 $/year
Annual commercial energy cost 77.09 $/year 19.27 $/year
Performance per watt 11.42 pt/W 1.71 pt/W
Typical power consumption 71.5W 17.88W

details

Core i7 4790K  vs
Opteron X2150 
Architecture x86-64 x86-64
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 22 nm 28 nm

overclocking

Overclocked clock speed 4.63 GHz 1.9 GHz
Overclocked clock speed (Water) 4.8 GHz 1.9 GHz
Overclocked clock speed (Air) 4.63 GHz 1.9 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4600 AMD Radeon HD 8400
GPU clock speed 350 MHz 600 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
Channels Dual Channel Single Channel
Supports ECC No Yes
Maximum bandwidth 25,600 MB/s 12,800 MB/s
Intel Core i7 4790K
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AMD Opteron X2150
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