Intel Core i7 3820QM 

Released April, 2012
  • 2.7 GHz
  • Quad core
3.2 Out of 10

CPUBoss Review Our evaluation of the Intel Core i7 3820QM among laptop CPUs (over 15W)

Performance

Benchmark performance using all cores

Core i7 3820QM
8.9
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Core i7 3820QM
5.4
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Core i7 3820QM
2.1
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Core i7 3820QM
3.3
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Core i7 3820QM
4.3
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Core i7 3820QM
5.7
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

3.2

CPUBoss Score

Combination of all six facets

Core i7 3820QM
3.2

Benchmarks Real world tests of the Intel Core i7 3820QM

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 3820QM
13.04 mHash/s
Core i7 3520M
6.34 mHash/s
Core i7 3740QM
13.55 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 3820QM
-1 fps
Core i7 3520M
0.94 fps

Sky Diver Data courtesy FutureMark

Core i7 3820QM
2,194

Cloud Gate Data courtesy FutureMark

Core i7 3820QM
6,384

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 3820QM
11,803

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 3820QM
3,040

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 3820QM
2,490,000 MB/s
Core i7 3520M
2,440,000 MB/s
Core i7 3740QM
2,470,000 MB/s

PassMark Data courtesy Passmark

Core i7 3820QM
8,498

Specifications Full list of technical specs

summary

Clock speed 2.7 GHz
Turbo clock speed 3.7 GHz
Cores Quad core
Socket type rPGA 988B
Is unlocked No

features

Has a NX bit Yes
Supports trusted computing Yes
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. AES
  3. SSE
  4. SSE2
  5. SSE4.1
  6. SSE3
  7. Supplemental SSE3
  8. SSE4.2
  9. AVX
Supports dynamic frequency scaling Yes

power consumption

TDP 45W
Annual home energy cost 13.05 $/year
Performance per watt 11.94 pt/W
Idle power consumption 17W
Peak power consumption 49W
Typical power consumption 41W

bus

Architecture DMI
Data rate 21,600 MB/s
Transfer rate 5,000 MT/s
Clock speed 2,700 MHz

details

Architecture x86-64
Threads 8 threads
L2 cache 1 MB
L2 cache per core 0.25 MB/core
L3 cache 8 MB
L3 cache per core 2 MB/core
Manufacture process 22 nm
Transistor count 1,400,000,000
Max CPUs 1
Clock multiplier 27
Voltage range 0.8 - 1.25V
Operating temperature Unknown - 105°C

overclocking

Overclocked clock speed 3.83 GHz
Overclocked clock speed (Water) 2.7 GHz
Overclocked clock speed (Air) 3.83 GHz

integrated graphics

GPU GPU
Label Intel® HD Graphics 4000
Latest DirectX 11.x
Number of displays supported 3
GPU clock speed 650 MHz
Turbo clock speed 1,250 MHz

memory controller

Memory controller Built-in
Memory type DDR3
Channels Dual Channel
Supports ECC No
Maximum bandwidth 12,800 MB/s
Maximum memory size 32,768 MB
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