Intel Core i7 2820QM vs 2720QM |
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CPUBoss Review Our evaluation of 2820QM vs 2720QM 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
Cast your vote Do you agree or disagree with CPUBoss?
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Differences What are the advantages of each
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| CPUBoss is not aware of any important advantages of the 2820QM vs the 2720QM. | |||||||
| |||||||
| CPUBoss is not aware of any important advantages of the 2720QM vs the 2820QM. | |||||||
Report a correction
Benchmarks Real world tests of Core i7 2820QM vs 2720QM
CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench
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
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench (64-bit) Data courtesy Primate Labs
PassMark Data courtesy Passmark
PassMark (Single Core)
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  Report a correction |  Intel Core i7 2720QM Report a correction |
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