CPUBoss Review Our evaluation of 3337U vs P820 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 i5 3337U

Reasons to consider the
Intel Core i5 3337U

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Front view of AMD Phenom II P820

Reasons to consider the
AMD Phenom II P820

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CPUBoss is not aware of any important advantages of the AMD Phenom II P820 vs the Intel Core i5 3337U.

Benchmarks Real world tests of Core i5 3337U vs Phenom II P820

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

Core i5 3337U
1,750,000 MB/s
Phenom II P820
71,400 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 3337U  vs
Phenom II P820 
Clock speed 1.8 GHz 1.8 GHz
Cores Dual core Tri core
Socket type
BGA 1023
S1
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 17W 25W
Annual home energy cost 4.1 $/year 6.02 $/year
Performance per watt 21.65 pt/W 3.15 pt/W
Typical power consumption 13.81W 20.31W

details

Core i5 3337U  vs
Phenom II P820 
Architecture x86-64 x86-64
Threads 4 3
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.17 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.7 GHz 1.8 GHz
Overclocked clock speed (Water) 1.8 GHz 1.8 GHz
Overclocked clock speed (Air) 2.7 GHz 1.8 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 4000 N/A
Number of displays supported 3 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 1,100 MHz N/A
Intel Core i5 3337U
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AMD Phenom II P820
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