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Differences What are the advantages of each

Front view of AMD Phenom II X3 705e

Reasons to consider the
AMD Phenom II X3 705e

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CPUBoss is not aware of any important advantages of the Phenom II X3 705e vs the Athlon X4 740.

Front view of AMD Athlon X4 740

Reasons to consider the
AMD Athlon X4 740

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Much more l2 cache 4 MB vs 0.5 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 3.2 GHz vs 2.5 GHz Around 30% higher clock speed
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache per core 1 MB/core vs 0.17 MB/core More than 6x more l2 cache per core
Much better overclocked clock speed (Air) 4.21 GHz vs 3.57 GHz Around 20% better overclocked clock speed (Air)
Higher Maximum operating temperature 73 °C vs 72 °C Almost the same
Significantly better overclocked clock speed (Water) 3 GHz vs 2.5 GHz 20% better overclocked clock speed (Water)
Newer Oct, 2012 vs Jun, 2009 Release date over 3 years later

Benchmarks Real world tests of Phenom II X3 705e vs Athlon X4 740

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

Phenom II X3 705e
99.6 MB/s
Athlon X4 740
2,030,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Cinebench R11.5

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X3 705e  vs
Athlon X4 740 
Clock speed 2.5 GHz 3.2 GHz
Cores Tri core Quad core
Is unlocked No Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
SSE4.2
CVT16
AMD-V
3DNow!
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 1.15 pt/W 12.36 pt/W
Typical power consumption 52.81W 52.81W

details

Phenom II X3 705e  vs
Athlon X4 740 
Architecture x86-64 x86-64
Threads 3 4
L2 cache 0.5 MB 4 MB
L2 cache per core 0.17 MB/core 1 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Voltage range 0.8 - 1.25V 0.82 - 1.48V
Operating temperature Unknown - 72°C Unknown - 73°C

overclocking

Overclocked clock speed 3.57 GHz 4.21 GHz
Overclocked clock speed (Water) 2.5 GHz 3 GHz
Overclocked clock speed (Air) 3.57 GHz 4.21 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Clock speed 2,000 MHz 2,000 MHz
AMD Phenom II X3 705e
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AMD Athlon X4 740
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