Winner
Intel Core i7 620M
CPUBoss recommends the Intel Core i7 620M based on its .
See full details Intel Core i7 620M vs i5 2520M |
VS
CPUBoss Review Our evaluation of 620M vs 2520M 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 | |
| 1.1 | CPUBoss Score |
Combination of all six facets | |
 |
Cast your vote Do you agree or disagree with CPUBoss?
VS
Differences What are the advantages of each
| |||||||
| CPUBoss is not aware of any important advantages of the Core i7 620M vs the Core i5 2520M. | |||||||
| |||||||
| CPUBoss is not aware of any important advantages of the Core i5 2520M vs the Core i7 620M. | |||||||
Report a correction
Benchmarks Real world tests of Core i7 620M vs i5 2520M
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
GeekBench
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Core i7 620M | vs | i5 2520M |
|---|---|---|---|
| Clock speed | 2.66 GHz | 2.5 GHz | |
| Turbo clock speed | 3.33 GHz | 3.2 GHz | |
| Cores | Dual core | Dual core | |
| Socket type | |||
| BGA 1288 | |||
| 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 | |||
| SSE4 | |||
| AVX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 35W | 35W | |
| Annual home energy cost | 8.43 $/year | 8.43 $/year | |
| Performance per watt | 17.77 pt/W | 20.44 pt/W | |
| Typical power consumption | 28.44W | 28.44W | |
bus | |||
| Architecture | DMI | DMI | |
| Number of links | 1 | 1 | |
| Transfer rate | 2,500 MT/s | 5,000 MT/s | |
details | Core i7 620M | vs | i5 2520M |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 4 | |
| L2 cache | 0.5 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.5 MB/core | |
| L3 cache | 4 MB | 3 MB | |
| L3 cache per core | 2 MB/core | 1.5 MB/core | |
| Manufacture process | 32 nm | 32 nm | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 20 | 25 | |
overclocking | |||
| Overclocked clock speed | 3.34 GHz | 3.05 GHz | |
| Overclocked clock speed (Water) | 2.67 GHz | 2.5 GHz | |
| Overclocked clock speed (Air) | 3.34 GHz | 3.05 GHz | |
integrated graphics | |||
| GPU | GPU | GPU | |
| Label | Intel® HD Graphics | HD Graphics 3000 | |
| Number of displays supported | 2 | 2 | |
| GPU clock speed | 500 MHz | 650 MHz | |
| Turbo clock speed | 766 MHz | 1,300 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3-800 | |||
| DDR3 | |||
| Channels | Dual Channel | Dual Channel | |
| Supports ECC | No | No | |
| Maximum bandwidth | 17,066.66 MB/s | 21,333.32 MB/s | |
| Maximum memory size | 8,192 MB | 16,384 MB | |
 Intel Core i7 620M  Report a correction |  Intel Core i5 2520M Report a correction |
Laptops
Looking for a laptop?
- 1 laptop with the Intel Core i7 620M, starting from $599
- 10 laptops with the Intel Core i5 2520M, starting from $275
Follow us
Compare
Related Comparisons
 | VS |  |
| $235 | $250 | |
| Intel Core i5 3320M vs 2520M | ||
 | VS | |
| $30 | $250 | |
| Intel Core i5 520M vs 2520M | ||
 | VS | |
| $159 | $250 | |
| Intel Core i7 2620M vs i5 2520M | ||
 | VS | |
| $281 | $250 | |
| Intel Core i5 4300U vs 2520M | ||
 | VS | |
| $130 | $250 | |
| Intel Core i5 3210M vs 2520M | ||
 | VS | |
| $60 | $250 | |
| Intel Core i5 560M vs 2520M | ||
| | VS |  |
| $30 | $259 | |
| Intel Core i5 520M vs i7 620M | ||
Popular Comparisons
 | VS |  |
| $300 | $305 | |
| Intel Core i5 2500 vs Xeon W3520 | ||
 | VS |  |
| $281 | ||
| AMD A9 7th Gen A9-9410 vs Intel Core i5 6200U | ||
 | VS |  |
| $350 | $272 | |
| Intel Core i7 6700K vs 4790K | ||
 | VS |  |
| $281 | ||
| AMD A8 6410 vs Intel Core i5 4200U | ||
 | VS | |
| $350 | ||
| AMD A12 7th Gen A12-9700P vs Intel Core i7 6700K | ||
 | VS |  |
| $180 | ||
| AMD A6 5200 vs Intel Core i5 3470 | ||
 | VS |  |
| $161 | $275 | |
| Intel Pentium N3540 vs Core i3 4005U | ||
