CPUBoss Review Our evaluation of 740 vs 5400K among desktop CPUs (45 to 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

7.4

CPUBoss Score

Combination of all six facets

Winner
AMD Athlon X4 740 

CPUBoss recommends the AMD Athlon X4 740  based on its performance and value.

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VS

AMD Athlon X4 740

CPUBoss Winner
Front view of AMD Athlon X4 740

Differences What are the advantages of each

Front view of AMD Athlon X4 740

Reasons to consider the
AMD Athlon X4 740

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Significantly more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
Significantly more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
More threads 4 vs 2 Twice as many threads
Higher Maximum operating temperature 73 °C vs 70 °C Around 5% higher Maximum operating temperature
Better performance per watt 12.35 pt/W vs 7.14 pt/W Around 75% better performance per watt
Better PassMark score 3,940 vs 2,137 Around 85% better PassMark score
Better performance per dollar 10.7 pt/$ vs 9.28 pt/$ More than 15% better performance per dollar
Slightly better geekbench 2 (32-bit) score 4,945 vs 2,817 More than 75% better geekbench 2 (32-bit) score
Front view of AMD A6 5400K

Reasons to consider the
AMD A6 5400K

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Higher clock speed 3.6 GHz vs 3.2 GHz More than 10% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher turbo clock speed 3.8 GHz vs 3.7 GHz Around 5% higher turbo clock speed
Better overclocked clock speed (Air) 4.45 GHz vs 3.82 GHz More than 15% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 5.17 GHz vs 3 GHz More than 70% better overclocked clock speed (Water)
Slightly better PassMark (Single core) score 1,356 vs 1,288 More than 5% better PassMark (Single core) score

Benchmarks Real world tests of Athlon X4 740 vs A6 5400K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A6 5400K
2,916

GeekBench 3 (Single core) Data courtesy Primate Labs

A6 5400K
1,906

GeekBench 3 (AES single core) Data courtesy Primate Labs

Athlon X4 740
2,030,000 MB/s
A6 5400K
2,125,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

A6 5400K
2,817

GeekBench

A6 5400K
2,817

3D Mark 11 (Physics)

A6 5400K
3,420

PassMark Data courtesy Passmark

A6 5400K
2,137

PassMark (Single Core)

A6 5400K
1,356

Specifications Full list of technical specs

summary

Athlon X4 740  vs
A6 5400K 
Clock speed 3.2 GHz 3.6 GHz
Turbo clock speed 3.7 GHz 3.8 GHz
Cores Quad core Dual core
Is unlocked Yes 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
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 12.35 pt/W 7.14 pt/W
Typical power consumption 52.81W 52.81W

details

Athlon X4 740  vs
A6 5400K 
Threads 4 2
L2 cache 4 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 32 nm 32 nm
Transistor count 1,303,000,000 1,303,000,000
Max CPUs 1 1
Die size 246 mm² 246 mm²
Voltage range 0.83 - 1.48V 0.83 - 1.48V
Operating temperature Unknown - 73°C Unknown - 70°C

overclocking

Overclock popularity 13 8
Overclocked clock speed 3.82 GHz 4.45 GHz
Overclocked clock speed (Water) 3 GHz 5.17 GHz
Overclocked clock speed (Air) 3.82 GHz 4.45 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 7540D
Latest DirectX N/A 11.0
GPU clock speed N/A 760 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
AMD Athlon X4 740
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AMD A6 5400K
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