CPUBoss Review Our evaluation of 4500M vs 4400M among laptop CPUs (over 15W)

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

6.7

CPUBoss Score

Combination of all six facets

Winner
AMD A6 4400M 

CPUBoss recommends the AMD A6 4400M  based on its single-core performance and value.

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VS
Front view of AMD A6 4400M

AMD A6 4400M

CPUBoss Winner

Differences What are the advantages of each

Front view of AMD A8 4500M

Reasons to consider the
AMD A8 4500M

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Much 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 better sky diver score 2,194 vs 1,674 More than 30% better sky diver score
More threads 4 vs 2 Twice as many threads
Significantly more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Better CompuBench 1.5 bitcoin mining score 36.54 mHash/s vs 29.08 mHash/s More than 25% better CompuBench 1.5 bitcoin mining score
Better 3DMark06 CPU score 2,438 vs 1,804 More than 35% better 3DMark06 CPU score
Better geekbench 2 (32-bit) score 3,154 vs 2,021 More than 55% better geekbench 2 (32-bit) score
Front view of AMD A6 4400M

Reasons to consider the
AMD A6 4400M

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Much better performance per dollar 15.56 pt/$ vs 0.72 pt/$ Around 21.8x better performance per dollar
Significantly higher clock speed 2.7 GHz vs 1.9 GHz More than 40% higher clock speed
Significantly higher turbo clock speed 3.2 GHz vs 2.8 GHz Around 15% higher turbo clock speed
Significantly better overclocked clock speed (Air) 3.2 GHz vs 2.33 GHz More than 35% better overclocked clock speed (Air)
Slightly better geekbench 3 single core score 1,434 vs 1,223 More than 15% better geekbench 3 single core score
Significantly better overclocked clock speed (Water) 2.7 GHz vs 1.9 GHz More than 40% better overclocked clock speed (Water)

Benchmarks Real world tests of A8 4500M vs A6 4400M

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

A8 4500M
36.54 mHash/s
A6 4400M
29.08 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

A8 4500M
0.38 fps
A6 4400M
0.34 fps

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

A8 4500M
2,220
A6 4400M
2,155

Sky Diver Data courtesy FutureMark

A8 4500M
2,194
A6 4400M
1,674

GeekBench 3 (Single core) Data courtesy Primate Labs

A8 4500M
1,223
A6 4400M
1,434

GeekBench (32-bit) Data courtesy Primate Labs

A8 4500M
3,154
A6 4400M
2,021

3D Mark 11 (Physics)

A8 4500M
2,080
A6 4400M
2,370

3D Mark 06 (CPU)

A8 4500M
2,438
A6 4400M
1,804

Specifications Full list of technical specs

summary

A8 4500M  vs
A6 4400M 
Clock speed 1.9 GHz 2.7 GHz
Turbo clock speed 2.8 GHz 3.2 GHz
Cores Quad core Dual core
Is unlocked No No

features

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

power consumption

TDP 35W 35W
Annual home energy cost 8.43 $/year 8.43 $/year
Performance per watt 12.56 pt/W 10.67 pt/W
Typical power consumption 28.44W 28.44W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
Channels Dual Channel Dual Channel
Maximum bandwidth 25,600 MB/s 25,600 MB/s

details

A8 4500M  vs
A6 4400M 
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
Clock multiplier 19 27
Voltage range 0.81 - 1.3V 0.81 - 1.33V
Operating temperature Unknown - 100°C Unknown - 100°C

overclocking

Overclocked clock speed 2.33 GHz 3.2 GHz
Overclocked clock speed (Water) 1.9 GHz 2.7 GHz
PassMark (Overclocked) 1,054.9 982.4
Overclocked clock speed (Air) 2.33 GHz 3.2 GHz

integrated graphics

GPU GPU GPU
Label Radeon™ HD 7640G Radeon™ HD 7520G
Latest DirectX 11.0 11.0
GPU clock speed 496 MHz 496 MHz
Turbo clock speed 685 MHz 685 MHz
AMD A8 4500M
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AMD A6 4400M
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