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Intel Core i7-720QM vs Intel Core i7-920XM vs Intel Core i7-940XM

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 i7-920XM

► remove from comparison Intel 920XM

The Intel Core i7 920XM Extreme Edition is the currently (2009) fastest laptop processor. It features 4 cores (quad core CPU) and Hyperthreading. Therefore, 8 threads can be worked on simultaneously.

Because of the Turbo Mode, the CPU is clocked with up to 3.2 GHz and therefore fast for single core applications.

The Core i7 9xx 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.

Core architecture is still very similar to the one used in the Core 2 CPUs.

The power consumption of up to 55 Watt (TDP) is quite high for a laptop CPU and because of the Turbo Mode, the power consumption should reach these high values.

With a starting price of $1054 (when buying 1000 CPUs from Intel), the price tag is quite hefty.

Intel Core i7-940XM

► remove from comparison Intel 940XM

The Intel Core i7 940XM Extreme Edition is a high-end processor  the fastest laptop processor at the time of announcement. It features 4 cores (quad core CPU) and Hyperthreading. Therefore, 8 threads can be worked on simultaneously.

Because of the Turbo Mode, the CPU is clocked with up to 3.3 GHz in single threaded applications. Using two cores, the CPU can clock up to 3.2 GHz and using all 4 cores, 2.4 GHz is the maximum clock rate. Therefore, even older games (single threaded) should run fluently with this mobile CPU altough the base clock speed is rather slow. The 940XM should provide enough power for all modern games and applications (in 2010).

The Core i7 9xx 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.

Core architecture is still very similar to the one used in the Core 2 CPUs.

The power consumption of up to 55 Watt (TDP) is quite high for a laptop CPU and because of the Turbo Mode, the power consumption should reach these high values.

ModelIntel Core i7-720QMIntel Core i7-920XMIntel Core i7-940XM
SeriesIntel Core i7Intel Core i7Intel Core i7
CodenameClarksfieldClarksfieldClarksfield
Series: Core i7 Clarksfield
Intel Core i7-940XM2.13 - 3.33 GHz4 / 88 MB
Intel Core i7-920XM2 - 3.2 GHz4 / 88 MB
Intel Core i7-840QM1.86 - 3.2 GHz4 / 88 MB
Intel Core i7-820QM1.73 - 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 i7-940XM2.13 - 3.33 GHz4 / 88 MB
» Intel Core i7-920XM2 - 3.2 GHz4 / 88 MB
Intel Core i7-840QM1.86 - 3.2 GHz4 / 88 MB
Intel Core i7-820QM1.73 - 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 i7-940XM2.13 - 3.33 GHz4 / 88 MB
Intel Core i7-920XM2 - 3.2 GHz4 / 88 MB
Intel Core i7-840QM1.86 - 3.2 GHz4 / 88 MB
Intel Core i7-820QM1.73 - 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
Clock1600 - 2800 MHz2000 - 3200 MHz2130 - 3333 MHz
FSB250025002500
L1 Cache256 KB256 KB256 KB
L2 Cache1 MB1 MB1 MB
L3 Cache6 MB8 MB8 MB
Cores / Threads4 / 84 / 84 / 8
TDP45 Watt55 Watt55 Watt
Transistors774 Million774 Million774 Million
Technology45 nm45 nm45 nm
Die Size296 mm2296 mm2296 mm2
SocketRPGA989RPGA989RPGA989
Architecturex86x86x86
$546 U.S.$1054 U.S.$1096 U.S.
Announced
ManufacturerIntel Core i7 720QMIntel Core i7 920XMIntel Core i7 940XM
max. Temp.100 °C100 °C
Features2.5 GT/s DMI, Virtualization Technology, Execute Disable Bit, Enahnced Speedstep Technology, Enhanced Halt State (C1E), 64, Turbo Boost, Hyper-Threading, Trusted Execution Technology2.5 GT/s DMI, Virtualization Technology, Execute Disable Bit, Enahnced Speedstep Technology, Enhanced Halt State (C1E), 64, Turbo Boost (max. 3.33 GHz), Hyper-Threading, Trusted Execution Technology

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 2.58     avg: 2.9     median: 2.9 (4%)     max: 2.99 Points
min: 3.41     avg: 3.7     median: 3.9 (5%)     max: 3.9 Points
min: 3.65     avg: 3.9     median: 3.9 (5%)     max: 4.05 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 2231     avg: 3109     median: 2995 (24%)     max: 3757 Points
min: 4310     avg: 4322     median: 4322 (35%)     max: 4334 Points
3630 Points (30%)
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 7709     avg: 8760     median: 8357 (10%)     max: 10398 Points
min: 11792     avg: 11916     median: 11916 (14%)     max: 12040 Points
11391 Points (13%)
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 9328     avg: 10025     median: 10161 (8%)     max: 10355 Points
min: 11420     avg: 12682     median: 13235 (10%)     max: 13390 Points
min: 12642     avg: 13381     median: 13381 (10%)     max: 14120 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 3420     avg: 3682     median: 3714 (20%)     max: 3952 Points
min: 2633     avg: 3717     median: 4197 (23%)     max: 4320 Points
min: 4479     avg: 4488     median: 4488 (24%)     max: 4497 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 463.4     avg: 804     median: 502 (6%)     max: 1526 s
min: 312     avg: 727     median: 600 (7%)     max: 1269 s
min: 374     avg: 798     median: 798 (9%)     max: 1222 s
wPrime 2.10 - wPrime 2.0 32m *
min: 14.84     avg: 24.9     median: 16.6 (3%)     max: 47.74 s
min: 9.7     avg: 22.8     median: 19 (4%)     max: 39.78 s
min: 12     avg: 25.2     median: 25.2 (5%)     max: 38.36 s
3DMark 06 - CPU - 3DMark 06 - CPU
min: 2892     avg: 3098     median: 3100 (7%)     max: 3307 Points
min: 3591     avg: 3816     median: 3797 (8%)     max: 4078 Points
min: 3884     avg: 4080     median: 4064 (9%)     max: 4293 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 15     avg: 15.7     median: 15.6 (3%)     max: 19 s
13 s (3%)
12 s (3%)
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
31 s (1%)
28 s (1%)
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 824     avg: 868     median: 851 (4%)     max: 1026 s
719 s (3%)
min: 699     avg: 700     median: 700 (3%)     max: 701 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
min: 40000     avg: 43995     median: 43260 (21%)     max: 49460 MIPS
48000 MIPS (23%)
62380 MIPS (30%)
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
min: 32380     avg: 32845     median: 33000 (25%)     max: 33000 MFLOPS
43210 MFLOPS (33%)
40660 MFLOPS (31%)
PCMark 05 - PCMark 05 - Standard
100%
1 720QM +
min: 6074     avg: 6957     median: 6910.5 (43%)     max: 7776 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
min: 7.2     avg: 7.3     median: 7.3 (94%)     max: 7.3 Points
7.3 Points (94%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 5822     avg: 10413     median: 10663 (10%)     max: 11155 Points
min: 11552     avg: 13318     median: 14150 (13%)     max: 14253 Points
13326 Points (12%)
3DMark 11 - 3DM11 Performance Physics
100%
1 720QM +
3936 Points (11%)

Average Benchmarks Intel Core i7-720QM → 100% n=15

Average Benchmarks Intel Core i7-920XM → 118% n=15

Average Benchmarks Intel Core i7-940XM → 118% n=15

- 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

v1.19
log 29. 16:10:53

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)