CPUBoss Review Our evaluation of Core i7 980 vs 3820QM

Performance

Benchmark performance using all cores
Core i7 980
8.2
Core i7 3820QM
8.5
3DMark06 (CPU) and Passmark

Single-core Performance

Individual core benchmark performance
Core i7 980
8.2
Core i7 3820QM
9.2
Passmark (Single Core)

Power Consumption

How much power does the processor require?
Core i7 980
7.2
Core i7 3820QM
5.6
TDP

Value

Core i7 980
5.2
Core i7 3820QM
5.7
Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Power Consumption and Value
Core i7 980
7.7
Core i7 3820QM
7.9

Winner
Intel Core i7 3820QM

CPUBoss recommends the Intel Core i7 3820QM based on its performance, single-core performance and value.

Differences What are the advantages of each

Front view of Intel Core i7 980

Reasons to consider the
Intel Core i7 980

Higher clock speed 3.33 GHz vs 2.7 GHz Around 25% higher clock speed
More l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 6 vs 4 2 more cores; run more applications at once
Better overclocked clock speed (Air) 4.6 GHz vs 3.75 GHz Around 25% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 4.73 GHz vs 2.7 GHz More than 75% better overclocked clock speed (Water)
Front view of Intel Core i7 3820QM

Reasons to consider the
Intel Core i7 3820QM

Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Newer manufacturing process 22 nms vs 32 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly lower typical power consumption 41W vs 105.63W 2.6x lower typical power consumption
Much higher Maximum Operating Temperature 105 °C vs 68.8 °C Around 55% higher Maximum Operating Temperature
Much better performance per watt 41.73 pt/W vs 7.08 pt/W Around 6x better performance per watt
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better PassMark (Single core) score 1,853 vs 1,427 Around 30% better PassMark (Single core) score
Better 3DMark11 physics score 6,190 vs 4,590 Around 35% better 3DMark11 physics score
Better 3DMark06 CPU score 6,832 vs 5,650 More than 20% better 3DMark06 CPU score
Better performance per dollar 3.6 pt/$ vs 0.84 pt/$ More than 4.2x better performance per dollar
Significantly lower annual commercial energy cost 42.92 $/year vs 113.88 $/year 2.7x lower annual commercial energy cost
Significantly lower annual home energy cost 13.05 $/year vs 31.32 $/year 2.4x lower annual home energy cost
Marginally newer Apr, 2012 vs Jun, 2011 Release date 10 months later

Benchmarks Real world tests of Core i7 980 vs 3820QM

3D Mark 11 (Physics)

Core i7 980
4,590
Core i7 3820QM
6,190
Core i7 980 Core i7 3820QM @ community.futuremark.com

3D Mark 06 (CPU)

Core i7 980
5,650
Core i7 3820QM
6,832
notebookcheck.net

Passmark

Core i7 980
8,728
Core i7 3820QM
8,722
cpubenchmark.net

Passmark (Single Core)

Core i7 980
1,427
Core i7 3820QM
1,853
cpubenchmark.net

Specifications Full list of technical specs

summary

 Core i7 980 vs
3820QM
Clock speed 3.33 GHz 2.7 GHz
Turbo clock speed 3.6 GHz 3.7 GHz
Cores Hexa core Quad core
Socket type
LGA 1366
rPGA 988B
Is unlocked No No
Is hyperthreaded Yes Yes

features
Has a NX bit Yes Yes
Supports trusted computing No Yes
Has vitualization support Yes Yes
Instruction-set-extensions
MMX
SSE
SSE4.2
AVX
SSE3
SSE2
Supplemental SSE3
SSE4.1
AES
Supports dynamic frequency scaling Yes Yes

gpu
GPU None GPU
Label N/A Intel® HD Graphics 4000
Latest DirectX N/A 11.x
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,250 MHz

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3
Channels Triple Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,599.99 MB/s 12,800 MB/s
Maximum memory size 24,576 MB 32,768 MB

details

 Core i7 980 vs
3820QM
Architecture x86-64 x86-64
Threads 12 8
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nms 22 nms
Transistor count 1,170,000,000 1,400,000,000
Max CPUs 1 1
Clock multiplier 25 27
Voltage range 0.8 - 1.3V 0.8 - 1.25V
Operating temperature Unknown - 68.8°C Unknown - 105°C

overclocking
Overclocked clock speed 4.6 GHz 3.75 GHz
Overclocked clock speed (Water) 4.73 GHz 2.7 GHz
Overclocked clock speed (Air) 4.6 GHz 3.75 GHz

power consumption
TDP 130W 45W
Annual home energy cost 31.32 $/year 13.05 $/year
Annual commercial energy cost 113.88 $/year 42.92 $/year
Performance per watt 7.08 pt/W 41.73 pt/W
Typical power consumption 105.63W 41W

bus
Architecture QPI DMI
Number of links 1 1
Data rate 19,200 MB/s 21,600 MB/s
Transfer rate 4,800 MT/s 5,000 MT/s
Clock speed 2,400 MHz 2,700 MHz

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