Intel Core i7-820QM
The Intel Core i7 820QM is a high end quad core CPU in 2009. 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 3.06 GHz and therefore can perform very well in single core applications like older games.
The Core i7 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 Core micro-architecture is still very similar to the one used in the Core 2 CPUs, therefore the performance per MHz (neglecting the integrated memory controller, hyperthreading and Turbo Boost) is similar.
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 should reach these high values. Therefore, the CPU is only suited for large laptops.
Series Intel Core i7 Codename Clarksfield Series: Core i7 Clarksfield Clock Rate 1730 - 3060 MHz Front Side Bus 2500 Level 1 Cache 256 KB Level 2 Cache 1 MB Level 3 Cache 8 MB Number of Cores / Threads 4 / 8 Power Consumption (TDP = Thermal Design Power) 45 Watt Transistor Count 774 Million Manufacturing Technology 45 nm Die Size 296 mm2 Max. Temperature 100 °C Socket RPGA989 64 Bit 64 Bit support Architecture x86 Starting Price $546 U.S. Announcement Date 09/23/2009 Product Link (external) Intel Core i7 820QM
Benchmarks Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 2.95 avg: 3.1 median: 3 (6%) max: 3.44 Points
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AMD Phenom II X4 905e -3%
Intel Core 2 Extreme (Desktop) QX6700 -2%
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Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 3075 avg: 3457 median: 3271.5 (29%) max: 4185 points
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Intel Core i7-940 3%
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Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 8341 avg: 9174 median: 8559 (14%) max: 11966 points
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Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 10222 avg: 10498 median: 10317 (10%) max: 11311 Points
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AMD Phenom II X4 905e -1%
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Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 3709 avg: 3952 median: 3987 (28%) max: 4101 Points
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wPrime 2.10 - wPrime 2.0 1024m *
min: 423.97 avg: 1140 median: 1361.7 (16%) max: 1411.58 s
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VIA C3-M C3-M-1200 642%
wPrime 2.10 - wPrime 2.0 32m *
min: 13.73 avg: 35.2 median: 42 (8%) max: 43 s
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3DMark 06 - CPU - 3DMark 06 - CPU
min: 3053 avg: 3226 median: 3149 (17%) max: 3629 Points
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Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
14 s (3%)
...
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VIA C3-M C3-M-1200 3207%
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 31 avg: 31.7 median: 32 (1%) max: 32 s
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Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 765 avg: 787 median: 780 (3%) max: 817 s
...
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VIA C3-M C3-M-1200 2761%
PCMark 05 - PCMark 05 - Standard
7734 Points (49%)
Model CPU GPU RAM Value Lenovo ThinkPad W701ds NTV5FPB164 820QM Quadro FX 3800M 675 / 1650 MHz 1 GB 16 GB 7734
Intel Celeron M 630 MHz -89%
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Intel Core i7-980X EE 106%
Windows 7 Experience Index - Win7 CPU
min: 7.1 avg: 7.2 median: 7.2 (92%) max: 7.2 Points
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3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 10851 avg: 11570 median: 11251.5 (13%) max: 12631 Points
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Intel Core 2 Quad (Desktop) Q9550 -1%
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3DMark 11 - 3DM11 Performance Physics
4002 Points (15%)
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- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
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Reviews for the Intel Core i7 820QM processor
Acer Aspire 8943G (ATI Mobility Radeon HD 5850, 18.40")Acer Aspire 8943G - External Review
Dell Latitude E6510 (NVIDIA NVS 3100M, 15.60")Review Dell Latitude E6510 Notebook - ReviewDell Latitude E6510 - External Review
Deviltech Devil 9700 DTX (NVIDIA GeForce GTX 280M, 15.60")Review Deviltech Devil 9700 DTX (W860CU) Notebook - ReviewDeviltech Devil 9700 DTX - External Review
Deviltech Devil 9700 DTX HD 5870 (ATI Mobility Radeon HD 5870, 15.60")Review Deviltech Devil 9700 DTX (ATI HD 5870) Notebook - ReviewDeviltech Devil 9700 DTX HD 5870 - External Review
HP 8740W-WW427PA (NVIDIA Quadro FX 3800M, 17.00")HP 8740W-WW427PA - External Review
HP Elitebook 8740w 820QM/FX2800M (NVIDIA Quadro FX 2800M, 17.00")Review HP EliteBook 8740w Mobile Workstation - ReviewHP Elitebook 8740w 820QM/FX2800M - External Review
Lenovo Thinkpad W510 4319-29G (NVIDIA Quadro FX 880M, 15.60")Review Lenovo Thinkpad W510 4319-29G Notebook - ReviewLenovo Thinkpad W510 4319-29G - External Review
Lenovo ThinkPad W701ds-2500 (NVIDIA Quadro FX 2800M, 17.30")Lenovo ThinkPad W701ds-2500 - External Review
LG R590-T.ARR7A3 (NVIDIA GeForce GT 335M, 15.60")LG R590-T.ARR7A3 - External Review
MALIBAL Satori (NVIDIA GeForce GTX 285M, 17.30")Malibal Satori - External Review
MSI GT740 (NVIDIA GeForce GTS 250M, 17.00")Review MSI GT740 Gaming-Notebook - ReviewMSI GT740 - External Review
Sager NP8760 (ATI Mobility Radeon HD 5870, 17.30")Sager NP8760 - External Review
Sony Vaio VPC-F1190X (NVIDIA GeForce GT 330M, 16.40")Sony Vaio VPC-F1190X - External Review
Toshiba Qosmio X505 (NVIDIA GeForce GTS 250M, 18.40")Toshiba Qosmio X505 - External Review
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Other CPUs of the series Core i7 Surrounding CPUs
Klaus Hinum, 2009-11-29 (Update: 2012-05-26)
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- Average benchmark values for this graphics card