Intel Core i7-2920XM
The Intel Core i7-2920XM is the fastest quad-core processor for laptops in Q1-2011. Due to the Extreme Edition branding, the CPU should be easy to overclock (unlocked multiplicator). It is based on the Sandy Bridge architecture and offers Hyperthreading to handle 8 threads at once (for a better usage of the pipeline). Compared to the previous Clarksdale quad-cores, the i7-2920XM is now manufactured in 32nm, offers an integrated graphics card and AES functions. Compared to the slower clocked 2820QM , the 2920XM is specified with a higher TDP.
Sandy Bridge is the evolutionary successor of the Arrandale architecture. The most noteable improvements are the new 256Bit AVX instructions, the improved Turbo Boost and the integration of the graphics card into the 32nm CPU core. Furthermore, the integrated memory controller was improved and supports up to 8 GB DDR3-1333.
The Core i7-2920XM offers an integrated graphics card (Intel HD Graphics 3000 ) which proved to be clearly faster than the old Intel HD Graphics in the Arrandale CPUs and on a level with entry level dedicated graphics cards like the GeForce 310M . The HD Graphics 3000 also supports Turbo Boost and clocks between 650 MHz and 1300 MHz. As the graphics card shares the fast last level cache, the processor is a bit slower with activated GPU.
Due to the high Turbo Boost and Hyperthreading, the performance of the Core i7-2920XM can reach levels of the fast desktop Core i5-2500K processor. Compared to the previous generation, the i7-2920XM is up to 42% faster than the old Core i7-940XM processor. Therefore, the performance should be sufficient for even the most demanding tasks like HD video editing or 3D games. Extensive benchmarks can be found at the end of this page and in our review of the new Sandy Bridge quad core processors .
The high TDP rating of the 2920XM enables the usage of the quad core only in large and heavy laptops (usually 15" and up). Compared to the previous generation of quad-cores, however, the TDP improved, as the integrated GPU is now included.
Series Intel Core i7 Codename Sandy Bridge Series: Core i7 Sandy Bridge Clock Rate 2500 - 3500 MHz 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) 55 Watt Transistor Count 995 Million Manufacturing Technology 32 nm Die Size 216 mm2 Max. Temperature 100 °C Socket FCPGA988 Features HD Graphics 3000 (650-1300MHz), DDR3-1066/1333/1600 Memory Controller, HyperThreading, AVX, Quick Sync, Virtualization GPU Intel HD Graphics 3000 (650 - 1300 MHz)64 Bit 64 Bit support Architecture x86 Starting Price $1096 U.S. Announcement Date 01/06/2011 Product Link (external) ark.intel.com
Benchmarks Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 5.7 avg: 6 median: 6 (8%) max: 6.2 Points
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Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 4282 avg: 4387 median: 4378.5 (26%) max: 4507 points
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Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 16067 avg: 16949 median: 17187.5 (12%) max: 17355 points
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Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 19727 avg: 20763 median: 20959 (15%) max: 21407 Points
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Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 5343 avg: 5525 median: 5565 (7%) max: 5628 Points
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wPrime 2.10 - wPrime 2.0 1024m *
min: 264.9 avg: 276.9 median: 273.8 (3%) max: 295 s
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VIA C3-M C3-M-1200
wPrime 2.10 - wPrime 2.0 32m *
min: 8.29 avg: 8.5 median: 8.4 (2%) max: 8.9 s
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min: 3296 avg: 3923 median: 3923 (6%) max: 4550 points
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X264 HD Benchmark 4.0 - x264 Pass 2
min: 30.4 avg: 30.8 median: 30.8 (11%) max: 31.2 fps
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X264 HD Benchmark 4.0 - x264 Pass 1
min: 129.4 avg: 131.4 median: 131.4 (30%) max: 133.4 fps
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TrueCrypt - TrueCrypt Serpent
min: 0.293 avg: 0.3 median: 0.3 (9%) max: 0.296 GB/s
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TrueCrypt - TrueCrypt Twofish
min: 0.508 avg: 0.5 median: 0.5 (9%) max: 0.521 GB/s
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TrueCrypt - TrueCrypt AES
min: 2.8 avg: 3 median: 3 (8%) max: 3.1 GB/s
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3DMark 06 - CPU - 3DMark 06 - CPU
min: 5944 avg: 6100 median: 6131 (13%) max: 6206 Points
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Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 10 avg: 10.5 median: 10 (2%) max: 11.7 s
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VIA C3-M C3-M-1200
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 24 avg: 24.6 median: 24 (1%) max: 25.9 s
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Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 580 avg: 600 median: 594 (3%) max: 620 s
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VIA C3-M C3-M-1200
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
min: 118300 avg: 121717 median: 121780 (58%) max: 125070 MIPS
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SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
min: 71200 avg: 74190 median: 75680 (58%) max: 75690 MFLOPS
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Windows 7 Experience Index - Win7 CPU
min: 7.5 avg: 7.6 median: 7.6 (97%) max: 7.6 Points
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3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 20540 avg: 21107 median: 21148 (19%) max: 21592 Points
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3DMark 11 - 3DM11 Performance Physics
min: 7804 avg: 7915 median: 7914.5 (21%) max: 8025 Points
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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 i7-2920XM processor
Review Dell Precision M6600 Notebook Outperformer. The Dell Precision M6600 mobile workstation can really flex its muscles; it is full to the brim with high-performance components. Generous specs, ...
Intel Core i7-2920XM | NVIDIA Quadro 4000M | 17.30" | 3.8 kg
Review Dell Precision M4600 Notebook Precision tool. The current 15" workstation from Dell has been reworked from the ground up, and offers a completely new case along with renewed components. How ...
Intel Core i7-2920XM | NVIDIA Quadro 2000M | 15.60" | 3.2 kg
Review Alienware M18x (GTX 580M SLI, 2920XM) Notebook Powerhouse. In our review update, we look at the fastest notebook graphics system currently available, the GeForce GTX 580 SLI, in the very well-equipped Alienw...
Intel Core i7-2920XM | NVIDIA GeForce GTX 580M SLI | 18.40" | 5.6 kg
Review Alienware M18x Notebook First-class in every way. Tired of having a typical desktop PC sitting on your desk? Want a replacement which offers great performance? The new Alienware M18x f...
Intel Core i7-2920XM | AMD Radeon HD 6970M Crossfire | 18.40" | 5.6 kg
Review Nvidia Geforce GTX 485M graphics card Chart Topper In developing the Fermi architecture last year Nvidia topped ATI/AMD, whose HD 5870 was the leading single-core GPU before. Right at the launch of ...
Intel Core i7-2920XM | NVIDIA GeForce GTX 485M | 15.60" | 3.2 kg
One M73-2N : NVIDIA GeForce GTX 670M, 17.30", 3.8 kg
External Review » One M73-2N
Alienware M18x, 6990M : AMD Radeon HD 6990M Crossfire, 18.40", 5.5 kg
External Review » Alienware M18x, 6990M
Dell Precision M4600 : NVIDIA Quadro 2000M, 15.60", 3.2 kg
External Review » Dell Precision M4600
Alienware M18x (GTX 580M SLI, 2920XM) : NVIDIA GeForce GTX 580M SLI, 18.40", 5.6 kg
External Review » Alienware M18x (GTX 580M SLI, 2920XM)
Origin PC EON17-S : NVIDIA GeForce GTX 580M, 17.30", 3.9 kg
External Review » Origin PC EON17-S
Alienware M18x : AMD Radeon HD 6970M Crossfire, 18.40", 5.6 kg
External Review » Alienware M18x
SCHENKER XMG P501 : NVIDIA GeForce GTX 485M, 15.60", 3.2 kg
External Review » mySN XMG P501
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Klaus Hinum, 2010-11-10 (Update: 2012-05-26)