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Differences What are the advantages of each

Front view of Intel Xeon Phi 7120P

Reasons to consider the
Intel Xeon Phi 7120P

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Much more l2 cache 30.5 MB vs 4 MB Around 7.8x more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 244 vs 4 240 more threads
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Jun, 2013 vs Aug, 2012 Release date 10 months later
Front view of AMD A300 Series Workstations FirePro™ A320 Accelerated

Reasons to consider the
AMD A300 Series Workstations FirePro™ A320 Accelerated

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Much higher clock speed 3.8 GHz vs 1.24 GHz More than 3x higher clock speed
Much higher turbo clock speed 4.2 GHz vs 1.33 GHz Around 3.2x higher turbo clock speed
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much lower typical power consumption 81.25W vs 243.75W 3x lower typical power consumption
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much lower annual home energy cost 24.09 $/year vs 72.27 $/year 3x lower annual home energy cost
Much lower annual commercial energy cost 87.6 $/year vs 262.8 $/year 3x lower annual commercial energy cost

Features Key features of the Xeon Phi 7120P  vs A300 Series Workstations FirePro™ A320 Accelerated 

Specifications Full list of technical specs

summary

Xeon Phi 7120P  vs
A300 Series Workstations FirePro™ A320 Accelerated 
Clock speed 1.24 GHz 3.8 GHz
Turbo clock speed 1.33 GHz 4.2 GHz
Cores 61 cores Quad core
Is unlocked No Yes

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
AES
Supports dynamic frequency scaling No Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
GDDR5

details

Xeon Phi 7120P  vs
A300 Series Workstations FirePro™ A320 Accelerated 
Threads 244 4
L2 cache 30.5 MB 4 MB
Manufacture process 22 nm 32 nm
Max CPUs 8 1

integrated graphics

GPU None GPU
Label N/A AMD Radeon 800 MHz
Latest DirectX N/A 11.0
GPU clock speed N/A 800 MHz

power consumption

TDP 300W 100W
Annual home energy cost 72.27 $/year 24.09 $/year
Annual commercial energy cost 262.8 $/year 87.6 $/year
Typical power consumption 243.75W 81.25W
Intel Xeon Phi 7120P
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AMD A300 Series Workstations FirePro™ A320 Accelerated
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