Intel Core i7-940XM

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.
| Series | Intel Core i7 |
| Codename | Clarksfield |
| Clock Rate | 2130 - 3333 MHz |
| Front Side Bus | 2500 MHz |
| Level 1 Cache | 256 KB |
| Level 2 Cache | 1024 KB |
| Level 3 Cache | 8196 KB |
| Number of Cores / Threads | 4 / 8 |
| Max. Power Consumption (TDP = Thermal Design Power) | 55 Watt |
| Transistor Count | 774 Million |
| Manufacturing Technology | 45 nm |
| Die Size | 296 mm2 |
| Max. Temperature | 100 °C |
| Socket | RPGA989 |
| Features | 2.5 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 |
| 64 Bit | 64 Bit support |
| Hardware Virtualization | VT-x, VT-d |
| Starting Price | $1096 U.S. |
| Announcement Date | 06/01/2010 |
| Product Link (external) | Intel Core i7 940XM |
CPU Benchmarks
3DMark 06 - CPU:
| Precision M4500 Core i7-940XM | 8192 MB | Quadro FX 1800M | 560 / 790MHz | 1024MB nvlddmkm 8.17.12.5922 Win7 64 | 3884 |
| XMG8.c 940xm | 4096 MB | GeForce GTX 285M SLI | 600 / 1000MHz | 1024MB Shadertakt: 1500 MHz, GDDR3 187.82 (nachträglich 197.16) | 4064 |
SAGER NP8690  | 8192 MB | GeForce GTX 470M | | 1536MB GDDR5 | 4293 |
C7-M C7-M-1200 1x 1.2GHz -95%
...
Core 2 Quad (Desktop) Q9550 4x 2.8GHz 4%
Core i5 (Desktop) 750 4x 2.7 - 3.2GHz 6%
...
Super Pi mod 1.5 XS 1M:
| Precision M4500 Core i7-940XM | 8192 MB | Quadro FX 1800M | 560 / 790MHz | 1024MB nvlddmkm 8.17.12.5922 Win7 64 | 12 |
| XMG8.c 940xm | 4096 MB | GeForce GTX 285M SLI | 600 / 1000MHz | 1024MB Shadertakt: 1500 MHz, GDDR3 187.82 (nachträglich 197.16) | 12 |
...
Core i7 (Desktop) 980X EE 6x 3.3 - 3.6GHz -2%
Core i7 (Desktop) 960 4x 3.2 - 3.5GHz 0%
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz 0%
Xeon (Desktop) E5-2680 8x 2.7 - 3.5GHz 0%
...
C3-M C3-M-1200 1x 1.2GHz 3758%
Super Pi mod 1.5 XS 2M:
| Precision M4500 Core i7-940XM | 8192 MB | Quadro FX 1800M | 560 / 790MHz | 1024MB nvlddmkm 8.17.12.5922 Win7 64 | 28 |
| XMG8.c 940xm | 4096 MB | GeForce GTX 285M SLI | 600 / 1000MHz | 1024MB Shadertakt: 1500 MHz, GDDR3 187.82 (nachträglich 197.16) | 28 |
...
Xeon (Desktop) E5-2680 8x 2.7 - 3.5GHz -4%
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz -4%
Core i7 (Desktop) 960 4x 3.2 - 3.5GHz -4%
Core i7 (Desktop) 940 4x 2.9 - 3.2GHz 3%
...
Super Pi Mod 1.5 XS 32M:
| XMG8.c 940xm | 4096 MB | GeForce GTX 285M SLI | 600 / 1000MHz | 1024MB Shadertakt: 1500 MHz, GDDR3 187.82 (nachträglich 197.16) | 699 |
| Precision M4500 Core i7-940XM | 8192 MB | Quadro FX 1800M | 560 / 790MHz | 1024MB nvlddmkm 8.17.12.5922 Win7 64 | 701 |
...
Core i7 (Desktop) 960 4x 3.2 - 3.5GHz -3%
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz -2%
Core i7 (Desktop) 940 4x 2.9 - 3.2GHz 2%
Core i5 (Desktop) 750 4x 2.7 - 3.2GHz 4%
...
C3-M C3-M-1200 1x 1.2GHz 3116%
SiSoft Sandra Dhrystone (MIPS):
Geode LX 800 1x 0.5GHz -99%
...
Core i5 (Desktop) 750 4x 2.7 - 3.2GHz -13%
Core i5 (Desktop) 2400 4x 3.1 - 3.4GHz 25%
Core i7 (Desktop) 940 4x 2.9 - 3.2GHz 35%
...
SiSoft Sandra Whetstone (MFLOPS):
Geode LX 800 1x 0.5GHz -99%
...
Core 2 Quad (Desktop) Q9550 4x 2.8GHz -6%
Core i5 (Desktop) 2400 4x 3.1 - 3.4GHz 13%
Core i7 (Desktop) 940 4x 2.9 - 3.2GHz 50%
...
PCMark Vantage: Result 1024x768
Cinebench R10: Rendering Single 32Bit
| XMG8.c 940xm | 4096 MB | GeForce GTX 285M SLI | 600 / 1000MHz | 1024MB Shadertakt: 1500 MHz, GDDR3 187.82 (nachträglich 197.16) | 3630 |
Geode LX 800 1x 0.5GHz -96%
...
Core i5 (Desktop) 750 4x 2.7 - 3.2GHz -5%
Core i7 (Desktop) 940 4x 2.9 - 3.2GHz -2%
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz 2%
...
Cinebench R10: Rendering Multiple CPUs 32Bit
| XMG8.c 940xm | 4096 MB | GeForce GTX 285M SLI | 600 / 1000MHz | 1024MB Shadertakt: 1500 MHz, GDDR3 187.82 (nachträglich 197.16) | 11391 |
...
Core 2 Quad (Desktop) Q9550 4x 2.8GHz -5%
Core i5 (Desktop) 750 4x 2.7 - 3.2GHz -3%
Core i7 (Desktop) 940 4x 2.9 - 3.2GHz 22%
Core i7 (Desktop) 960 4x 3.2 - 3.5GHz 34%
...
Cinebench R10: Rendering Multiple CPUs 64Bit
| Precision M4500 Core i7-940XM | 8192 MB | Quadro FX 1800M | 560 / 790MHz | 1024MB nvlddmkm 8.17.12.5922 Win7 64 | 12642 |
| XMG8.c 940xm | 4096 MB | GeForce GTX 285M SLI | 600 / 1000MHz | 1024MB Shadertakt: 1500 MHz, GDDR3 187.82 (nachträglich 197.16) | 14120 |
...
Core i5 (Desktop) 750 4x 2.7 - 3.2GHz 8%
Core i7 (Desktop) 960 4x 3.2 - 3.5GHz 37%
...
Cinebench R10: Rendering Single CPUs 64Bit
| XMG8.c 940xm | 4096 MB | GeForce GTX 285M SLI | 600 / 1000MHz | 1024MB Shadertakt: 1500 MHz, GDDR3 187.82 (nachträglich 197.16) | 4479 |
| Precision M4500 Core i7-940XM | 8192 MB | Quadro FX 1800M | 560 / 790MHz | 1024MB nvlddmkm 8.17.12.5922 Win7 64 | 4497 |
...
Core i5 (Desktop) 750 4x 2.7 - 3.2GHz -1%
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz 3%
...
3DMark Vantage: P CPU no PhysX 1280x1024
...
Core i5 (Desktop) 750 4x 2.7 - 3.2GHz -15%
Core 2 Quad (Desktop) Q9550 4x 2.8GHz -14%
Core i5 (Desktop) 2500K 4x 3.3 - 3.7GHz 22%
Core i5 (Desktop) 2400 4x 3.1 - 3.4GHz 25%
Core i7 (Desktop) 940 4x 2.9 - 3.2GHz 35%
...
wPrime 2.0x: 32m
| Precision M4500 Core i7-940XM | 8192 MB | Quadro FX 1800M | 560 / 790MHz | 1024MB nvlddmkm 8.17.12.5922 Win7 64 | 12 |
| XMG8.c 940xm | 4096 MB | GeForce GTX 285M SLI | 600 / 1000MHz | 1024MB Shadertakt: 1500 MHz, GDDR3 187.82 (nachträglich 197.16) | 38.362 |
Xeon (Desktop) E5-2680 8x 2.7 - 3.5GHz -81%
...
...
C3-M C3-M-1200 1x 1.2GHz 972%
wPrime 2.0x: 1024m
| Precision M4500 Core i7-940XM | 8192 MB | Quadro FX 1800M | 560 / 790MHz | 1024MB nvlddmkm 8.17.12.5922 Win7 64 | 374 |
| XMG8.c 940xm | 4096 MB | GeForce GTX 285M SLI | 600 / 1000MHz | 1024MB Shadertakt: 1500 MHz, GDDR3 187.82 (nachträglich 197.16) | 1221.624 |
Xeon (Desktop) E5-2680 8x 2.7 - 3.5GHz -84%
...
...
C3-M C3-M-1200 1x 1.2GHz 960%
Windows 7 Experience Index: Processor
...
Core 2 Quad (Desktop) Q9550 4x 2.8GHz 0%
Core i7 (Desktop) 940 4x 2.9 - 3.2GHz 3%
Core i7 (Desktop) 960 4x 3.2 - 3.5GHz 3%
...
Core i7 (Desktop) 990X EE 6x 3.5 - 3.7GHz 7%
Cinebench R11.5: CPU Multi 64Bit
| Precision M4500 Core i7-940XM | 8192 MB | Quadro FX 1800M | 560 / 790MHz | 1024MB nvlddmkm 8.17.12.5922 Win7 64 | 3.65 |
| XMG8.c 940xm | 4096 MB | GeForce GTX 285M SLI | 600 / 1000MHz | 1024MB Shadertakt: 1500 MHz, GDDR3 187.82 (nachträglich 197.16) | 4.05 |
...
Core 2 Quad (Desktop) Q9550 4x 2.8GHz -12%
Core i5 (Desktop) 750 4x 2.7 - 3.2GHz -2%
Core i7 (Desktop) 940 4x 2.9 - 3.2GHz 28%
Core i5 (Desktop) 2400 4x 3.1 - 3.4GHz 32%
...
Xeon (Desktop) E5-2680 8x 2.7 - 3.5GHz 210%

- Range of benchmarks for this CPU

- Average benchmark score