CPUBoss Review Our evaluation of 2820QM vs 3420M 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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Core i7 2820QM

Reasons to consider the
Intel Core i7 2820QM

Report a correction

CPUBoss is not aware of any important advantages of the Intel Core i7 2820QM vs the AMD A6 3420M.

Front view of AMD A6 3420M

Reasons to consider the
AMD A6 3420M

Report a correction

CPUBoss is not aware of any important advantages of the AMD A6 3420M vs the Intel Core i7 2820QM.

Benchmarks Real world tests of Core i7 2820QM vs A6 3420M

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Core i7 2820QM
61.16 fps
A6 3420M
133.27 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A6 3420M
3,126

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 2820QM
2,200,000 MB/s
A6 3420M
76,600 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

A6 3420M
3,025

GeekBench (64-bit) Data courtesy Primate Labs

A6 3420M
3,333

PassMark Data courtesy Passmark

A6 3420M
2,020

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 2820QM  vs
A6 3420M 
Clock speed 2.3 GHz 1.5 GHz
Turbo clock speed 3.4 GHz 2.4 GHz
Cores Quad core Quad core
Is unlocked No No

features

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

power consumption

TDP 45W 35W
Annual home energy cost 10.84 $/year 8.43 $/year
Performance per watt 18.54 pt/W 3.11 pt/W
Typical power consumption 36.56W 28.44W

details

Core i7 2820QM  vs
A6 3420M 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 4 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 8 MB 1 MB
L3 cache per core 2 MB/core 0.25 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 23 12
Operating temperature Unknown - 100°C Unknown - 100°C

overclocking

Overclocked clock speed 3.04 GHz 2.62 GHz
Overclocked clock speed (Water) 2.3 GHz 1.5 GHz
Overclocked clock speed (Air) 3.04 GHz 2.62 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 3000 Radeon™ HD 6520G
GPU clock speed 650 MHz 400 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Intel Core i7 2820QM
Report a correction
AMD A6 3420M
Report a correction

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