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Intel Core i7-720QM vs Intel Core i7-740QM

Intel Core i7-720QM

► remove from comparison Intel 720QM

The Intel Core i7 720QM is a fast quad-core CPU and slowest Core i7 quad core in 2009. It features 4 cores (quad core CPU) and Hyperthreading. Therefore, 8 threads can be worked on simultaneously. Compared to the faster Core i7 mobile CPUs, the 720QM only features 6MB L3 Cache (the faster ones 8 MB).

Because of the Turbo Mode, the CPU is clocked with up to 2.8 GHz and therefore fast for single core applications like older games. Thanks to the 4 cores (and 8 threads), modern multi-threaded applications also profit from this CPU greatly (altough when using all cores, the clock speed remains low).

The Core i7 7xx line has an integrated memory controller for DDR3 bars (1066 or 1333). Therefore, the memory performance is very good (compared to older CPUs with external memory controllers). Still this also leads to the higher TDP of the whole chip.

The power consumption of up to 45 Watt (TDP) is quite high for a laptop CPU and because of the Turbo Mode, the power consumption could reach these high values. Therefore, only large laptops with good cooling solutions can house this CPU.

Intel Core i7-740QM

► remove from comparison Intel 740QM

The Intel Core i7-740QM is a fast quad-core CPU for laptops. Compared to the Core i7-720QM, the 740QM features a higher clock rate. It features 4 cores and Hyperthreading. Therefore, 8 threads can be worked on simultaneously. Compared to the faster Core i7 mobile CPUs, the 740QM only features 6MB L3 Cache (the faster ones 8 MB).

Because of the Turbo Mode, the CPU can be clocked with up to 2.93 GHz (1 core only) and therefore fast for single core applications like older games. Thanks to the 4 cores (and 8 threads), modern multi-threaded applications also profit from this CPU greatly (altough when using all cores, the clock speed remains low).

The Core i7 7xx line has an integrated memory controller for DDR3 bars (1066 or 1333). Therefore, the memory performance is very good (compared to older CPUs with external memory controllers). Still this also leads to the higher TDP of the whole chip.

The performance depends on the used thread count. If all cores are fully used, the performance of the 740QM is on a level with the fast Core i5-2520M (Sandy Bridge). If only a single core / thread is fully used, the performance depends on the Turbo Boost. Benchmarks indicate a performance on a level of the Core i5-480M.

The power consumption of up to 45 Watt (TDP) is quite high for a laptop CPU and because of the Turbo Mode, the power consumption could reach these high values. Therefore, only large laptops with good cooling solutions can house this CPU.

Intel Core i7-720QMIntel Core i7-740QM
Intel Core i7Intel Core i7
ClarksfieldClarksfield
Series: Core i7 Clarksfield
Intel Core i7-940XM compare2.13 - 3.33 GHz4 / 88 MB
Intel Core i7-920XM compare2 - 3.2 GHz4 / 88 MB
Intel Core i7-840QM compare1.86 - 3.2 GHz4 / 88 MB
Intel Core i7-820QM compare1.73 - 3.06 GHz4 / 88 MB
Intel Core i7-740QM1.73 - 2.93 GHz4 / 86 MB
» Intel Core i7-720QM1.6 - 2.8 GHz4 / 86 MB
Intel Core i7-940XM compare2.13 - 3.33 GHz4 / 88 MB
Intel Core i7-920XM compare2 - 3.2 GHz4 / 88 MB
Intel Core i7-840QM compare1.86 - 3.2 GHz4 / 88 MB
Intel Core i7-820QM compare1.73 - 3.06 GHz4 / 88 MB
» Intel Core i7-740QM1.73 - 2.93 GHz4 / 86 MB
Intel Core i7-720QM1.6 - 2.8 GHz4 / 86 MB
1600 - 2800 MHz1730 - 2930 MHz
25002500
256 KB256 KB
1 MB1 MB
6 MB6 MB
4 / 84 / 8
45 45
774 774
45 45
296 mm2296 mm2
RPGA989PGA988
Architecturex86x86
$546 U.S.$546 U.S.
Intel Core i7 720QMIntel Core i7 740QM
100 °C
Turbo Boost max. 2.93GHz

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 2.58     avg: 2.9     median: 2.9 (5%)     max: 2.99 Points
min: 2.97     avg: 3.1     median: 3.2 (6%)     max: 3.37 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 2231     avg: 3109     median: 2995 (27%)     max: 3757
min: 2933     avg: 3095     median: 3082 (28%)     max: 3313
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 7709     avg: 8760     median: 8357 (13%)     max: 10398
min: 8364     avg: 8865     median: 8930 (14%)     max: 9486
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 9328     avg: 10025     median: 10161 (10%)     max: 10355 Points
min: 10265     avg: 10894     median: 10926 (10%)     max: 11680 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 3420     avg: 3682     median: 3714 (26%)     max: 3952 Points
min: 3725     avg: 3878     median: 3873 (27%)     max: 4171 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 463.38     avg: 804     median: 502.3 (6%)     max: 1526.44 s
min: 427     avg: 730     median: 519.7 (6%)     max: 1460.69 s
wPrime 2.10 - wPrime 2.0 32m *
min: 14.84     avg: 24.9     median: 16.6 (3%)     max: 47.736 s
min: 13.7     avg: 16     median: 15.8 (3%)     max: 19.3 s
3DMark 06 - CPU - 3DMark 06 - CPU
min: 2892     avg: 3098     median: 3100 (17%)     max: 3307 Points
min: 3158     avg: 3335     median: 3318 (18%)     max: 3609 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 15     avg: 15.7     median: 15.5 (3%)     max: 19 s
min: 14     avg: 14.6     median: 14.3 (3%)     max: 15.77 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 34     avg: 36.1     median: 36 (2%)     max: 38 s
min: 32.823     avg: 33.8     median: 33.5 (1%)     max: 35.89 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 824     avg: 868     median: 851 (4%)     max: 1026 s
min: 784.868     avg: 813     median: 809.5 (4%)     max: 861.8 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
min: 40000     avg: 43995     median: 43260 (21%)     max: 49460 MIPS
min: 43330     avg: 47420     median: 47420 (23%)     max: 51510 MIPS
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
min: 32380     avg: 32845     median: 33000 (25%)     max: 33000 MFLOPS
min: 35310     avg: 40900     median: 36100 (28%)     max: 51290 MFLOPS
PCMark 05 - PCMark 05 - Standard
min: 6074     avg: 6957     median: 6910.5 (43%)     max: 7776 Points
min: 6675     avg: 6831     median: 6831 (43%)     max: 6987 Points
Windows Vista Experience Index - Windows Vista Leistungsindex - Prozessor
100%
1 720QM +
7 Points (100%)
Windows 7 Experience Index - Win7 CPU
min: 6.9     avg: 7     median: 7 (90%)     max: 7.1 Points
7.1 Points (91%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 5822     avg: 10413     median: 10663 (12%)     max: 11155 Points
min: 10808     avg: 11461     median: 11601.5 (13%)     max: 12016 Points
3DMark 11 - 3DM11 Performance Physics
3936 Points (14%)
min: 4204     avg: 4406     median: 4450 (16%)     max: 4533 Points

Average Benchmarks Intel Core i7-720QM → 100% n=17

Average Benchmarks Intel Core i7-740QM → 105% n=17

- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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v1.16
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Redaktion, 2017-09- 8 (Update: 2017-09-11)