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Intel Core i7 2820QM

Front view of Intel Core i7 2820QM
Front view of Intel Core i7 2720QM

Intel Core i7 2720QM

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Differences What are the advantages of each

Front view of Intel Core i7 2820QM

Reasons to consider the
Intel Core i7 2820QM

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CPUBoss is not aware of any important advantages of the 2820QM vs the 2720QM.
Front view of Intel Core i7 2720QM

Reasons to consider the
Intel Core i7 2720QM

Report a correction

CPUBoss is not aware of any important advantages of the 2720QM vs the 2820QM.

Benchmarks Real world tests of Core i7 2820QM vs 2720QM

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Core i7 2820QM
61.16 fps
Core i7 2720QM
57.18 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 2820QM
9,483
Core i7 2720QM
9,184

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 2820QM
2,625
Core i7 2720QM
2,545

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 2820QM
2,200,000 MB/s
Core i7 2720QM
2,140,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 2820QM
9,002
Core i7 2720QM
8,244

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 2820QM
10,218
Core i7 2720QM
9,379

PassMark Data courtesy Passmark

Core i7 2820QM
6,637
Core i7 2720QM
6,101

PassMark (Single Core)

Core i7 2820QM
1,549
Core i7 2720QM
1,455

Specifications Full list of technical specs

summary

 Core i7 2820QM  vs
2720QM 
Clock speed 2.3 GHz 2.2 GHz
Turbo clock speed 3.4 GHz 3.3 GHz
Cores Quad core Quad core
Socket type
BGA 1224
rPGA 988B
Is unlocked No No

features
Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 45W 45W
Annual home energy cost 10.84 $/year 10.84 $/year
Performance per watt 18.54 pt/W 17.94 pt/W
Typical power consumption 36.56W 36.56W

bus
Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

 Core i7 2820QM  vs
2720QM 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 23 22
Operating temperature Unknown - 100°C Unknown - 100°C

overclocking
Overclocked clock speed 3.04 GHz 2.93 GHz
Overclocked clock speed (Water) 2.3 GHz 2.2 GHz
Overclocked clock speed (Air) 3.04 GHz 2.93 GHz

integrated graphics
GPU GPU GPU
Label Intel® HD Graphics 3000 Intel HD Graphics 3000
Number of displays supported 2 2
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,300 MHz 1,300 MHz

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Core i7 2820QM
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Intel Core i7 2720QM
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