0 Comments
| Intel Core i7 720QM vs 640M |
VS
Released September, 2010
Intel Core i7 640M
- 2.8 GHz
- Dual core
Reasons to buy the 640M
![]() | Has a built-in GPU Yes |
CPUBoss Review Our evaluation of 720QM vs 640M 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?
VS
Differences What are the advantages of each
| |||||||
CPUBoss is not aware of any important advantages of the 720QM vs the 640M. | |||||||
| |||||||
Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required |
---|
Benchmarks Real world tests of Core i7 720QM vs 640M
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Core i7 720QM
4,379
Core i7 640M
4,385
GeekBench 3 (Single core) Data courtesy Primate Labs
Core i7 720QM
1,543
Core i7 640M
2,187
GeekBench 3 (AES single core) Data courtesy Primate Labs
Core i7 720QM
105,600 MB/s
Core i7 640M
1,570,000 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Core i7 720QM
4,189
Core i7 640M
4,158
GeekBench (64-bit) Data courtesy Primate Labs
Core i7 720QM
4,842
Core i7 640M
4,694
GeekBench
Core i7 720QM
5,786
Core i7 640M
6,359
PassMark Data courtesy Passmark
Core i7 720QM
3,029
Core i7 640M
2,865
PassMark (Single Core)
Core i7 720QM
872
Core i7 640M
1,307
Specifications Full list of technical specs
summary | Core i7 720QM | vs | 640M |
---|---|---|---|
Clock speed | 1.6 GHz | 2.8 GHz | |
Turbo clock speed | 2.8 GHz | 3.46 GHz | |
Cores | Quad core | Dual core | |
Socket type | |||
rPGA 988A | |||
BGA 1288 | |||
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 | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
SSE4.2 | |||
Supplemental SSE3 | |||
AES | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 45W | 35W | |
Annual home energy cost | 10.84 $/year | 8.43 $/year | |
Performance per watt | 2.85 pt/W | 18.3 pt/W | |
Typical power consumption | 36.56W | 28.44W | |
bus | |||
Architecture | DMI | DMI | |
Number of links | 1 | 1 | |
Transfer rate | 2,500 MT/s | 2,500 MT/s |
details | Core i7 720QM | vs | 640M |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 8 | 4 | |
L2 cache | 1 MB | 1 MB | |
L2 cache per core | 0.25 MB/core | 0.5 MB/core | |
L3 cache | 6 MB | 4 MB | |
L3 cache per core | 1.5 MB/core | 2 MB/core | |
Manufacture process | 45 nm | 32 nm | |
Transistor count | 774,000,000 | 382,000,000 | |
Max CPUs | 1 | 1 | |
Clock multiplier | 12 | 21 | |
overclocking | |||
Overclocked clock speed | 2.52 GHz | 3.37 GHz | |
Overclocked clock speed (Water) | 1.6 GHz | 2.8 GHz | |
Overclocked clock speed (Air) | 2.52 GHz | 3.37 GHz | |
integrated graphics | |||
GPU | None | GPU | |
Label | N/A | Intel® HD Graphics | |
Number of displays supported | N/A | 2 | |
GPU clock speed | N/A | 500 MHz | |
Turbo clock speed | N/A | 766 MHz | |
memory controller | |||
Memory controller | Built-in | Built-in | |
Memory type | |||
DDR3-1333 | |||
DDR3-1066 | |||
DDR3 | |||
DDR3-800 | |||
Channels | Dual Channel | Dual Channel | |
Supports ECC | No | No | |
Maximum bandwidth | 21,333.32 MB/s | 17,066.66 MB/s | |
Maximum memory size | 8,192 MB | 8,192 MB |
Intel Core i7 720QM ![]() | Intel Core i7 640M ![]() |
Follow us
Compare
Related Comparisons
![]() | VS | ![]() |
$346 | $60 | |
Intel Core i7 640M vs i5 560M | ||
![]() | VS | ![]() |
$346 | $259 | |
Intel Core i7 640M vs 620M | ||
![]() | VS | ![]() |
$346 | $80 | |
Intel Core i7 640M vs i5 580M | ||
![]() | VS | ![]() |
$346 | $21 | |
Intel Core i7 640M vs i3 370M | ||
![]() | VS | ![]() |
$346 | $225 | |
Intel Core i7 640M vs i3 380M | ||
![]() | VS | ![]() |
$346 | $30 | |
Intel Core i7 640M vs i5 520M | ||
![]() | VS | ![]() |
$346 | $65 | |
Intel Core i7 640M vs i5 480M | ||
Popular Comparisons
![]() | VS | ![]() |
$305 | $300 | |
Intel Xeon W3520 vs Core i5 2500 | ||
![]() | VS | ![]() |
$281 | ||
Intel Core i5 6200U vs AMD A9 7th Gen A9-9410 | ||
![]() | VS | ![]() |
$272 | $350 | |
Intel Core i7 4790K vs 6700K | ||
![]() | VS | ![]() |
$281 | ||
Intel Core i5 4200U vs AMD A8 6410 | ||
![]() | VS | ![]() |
$125 | $50 | |
Intel Core i3 3220 vs AMD A4 5300 | ||
![]() | VS | ![]() |
$180 | ||
Intel Core i5 3470 vs AMD A6 5200 | ||
![]() | VS | ![]() |
$350 | ||
Intel Core i7 6700K vs AMD A12 7th Gen A12-9700P | ||