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

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.

Intel Core i7-920XMIntel Core i7-940XM
Intel Core i7Intel Core i7
ClarksfieldClarksfield
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 i7-840QM compare1.86 - 3.2 GHz4 / 88 MB
Intel Core i7-820QM compare1.73 - 3.06 GHz4 / 88 MB
Intel Core i7-740QM compare1.73 - 2.93 GHz4 / 86 MB
Intel Core i7-720QM compare1.6 - 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 i7-840QM compare1.86 - 3.2 GHz4 / 88 MB
Intel Core i7-820QM compare1.73 - 3.06 GHz4 / 88 MB
Intel Core i7-740QM compare1.73 - 2.93 GHz4 / 86 MB
Intel Core i7-720QM compare1.6 - 2.8 GHz4 / 86 MB
2000 - 3200 MHz2130 - 3333 MHz
25002500
256 KB256 KB
1 MB1 MB
8 MB8 MB
4 / 84 / 8
55 55
774 774
45 45
296 mm2296 mm2
100 °C100 °C
RPGA989RPGA989
2.5 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
Architecturex86x86
$1054 U.S.$1096 U.S.
Intel Core i7 920XMIntel Core i7 940XM

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 3.41     avg: 3.7     median: 3.9 (7%)     max: 3.9 Points
min: 3.65     avg: 3.9     median: 3.9 (7%)     max: 4.05 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 4310     avg: 4322     median: 4322 (39%)     max: 4334
3630 (32%)
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 11792     avg: 11916     median: 11916 (19%)     max: 12040
11391 (18%)
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 11420     avg: 12682     median: 13235 (13%)     max: 13390 Points
min: 12642     avg: 13381     median: 13381 (13%)     max: 14120 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 2633     avg: 3717     median: 4197 (30%)     max: 4320 Points
min: 4479     avg: 4488     median: 4488 (32%)     max: 4497 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 312     avg: 727     median: 600 (7%)     max: 1269.32 s
min: 374     avg: 798     median: 797.8 (9%)     max: 1221.62 s
wPrime 2.10 - wPrime 2.0 32m *
min: 9.7     avg: 22.8     median: 19 (4%)     max: 39.78 s
min: 12     avg: 25.2     median: 25.2 (5%)     max: 38.362 s
3DMark 06 - CPU - 3DMark 06 - CPU
min: 3591     avg: 3816     median: 3797 (21%)     max: 4078 Points
min: 3884     avg: 4080     median: 4064 (22%)     max: 4293 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
13 s (3%)
12 s (3%)
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
31 s (1%)
28 s (1%)
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
719 s (3%)
min: 699     avg: 700     median: 700 (3%)     max: 701 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
48000 MIPS (23%)
62380 MIPS (30%)
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
43210 MFLOPS (33%)
40660 MFLOPS (31%)
Windows 7 Experience Index - Win7 CPU
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: 11552     avg: 13318     median: 14150 (16%)     max: 14253 Points
13326 Points (15%)

Average Benchmarks Intel Core i7-920XM → 100% n=15

Average Benchmarks Intel Core i7-940XM → 101% 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

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