Intel Core i7-3667U
The Intel Core i7-3667U is the fastest ULV-processor for laptops based on the Ivy Bridge architecture at the time of introduction in Q2 2012. Due to Hyperthreading, the two cores can handle up to four threads in parallel leading to better utilization of the CPU. Each core offers a base speed of 2.0 GHz but can dynamically increase clock rates with Turbo Boost up to 3.0 GHz (for 2 active cores) and 3.2 GHz (for 1 active core). As its Sandy-Bridge-based predecessors, it offers a 4 MB L3-Cache.
Ivy Bridge is an enhanced d ie shrink of the Sandy Bridge architecture with improvements on both GPU and CPU performance. The CPUs are produced in 22nm (versus 32nm Sandy Bridge CPUs) and are the first to introduce 3D transistors for increased energy efficiency when compared to similarly clocked Sandy Bridge processors. Other new features are integrated PCI Express 3.0 and DDR3(L)-1600 support.
The performance of the Core i7-3667U is slightly above a similarly clocked Sandy Bridge processor due to the architectural improvements. Therefore, and because of the higher clock speed, the Core i7-2677M is easily outperformed by 10 to 15%.
The integrated Intel HD Graphics 4000 offers 16 Execution Units (EUs) clocked at 350 MHz up to 1150 MHz with Turbo Boost, delivering a performance comparable with an AMD Radeon HD 6620G .
The ULV-CPUs are rated at a TDP of 17 W including graphics card and memory controller. Therefore, the CPU is suited for small laptops and ultrabooks.
Series Intel Core i7 Codename Ivy Bridge Series: Core i7 Ivy Bridge Clock Rate 2000 - 3200 MHz Level 1 Cache 128 KB Level 2 Cache 512 KB Level 3 Cache 4 MB Number of Cores / Threads 2 / 4 Power Consumption (TDP = Thermal Design Power) 17 Watt Manufacturing Technology 22 nm Max. Temperature 105 °C Socket BGA1023 Features Turbo Boost 2.0, Hyper-Threading, Virtualization VT-x, Virtualization for Directed I/O (VT-d), Trusted Execution, AES, Intel 64, Anti-Theft, My WiFi, Idle States, Enhanced SpeedStep, Thermal Monitorin, Execute Disable Bit GPU Intel HD Graphics 4000 (350 - 1150 MHz)64 Bit 64 Bit support Architecture x86 Starting Price $346 U.S. Announcement Date 06/03/2012 Product Link (external) ark.intel.com
Benchmarks Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 2.55 avg: 2.8 median: 2.9 (4%) max: 2.96 Points
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Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 1.3 avg: 1.3 median: 1.3 (31%) max: 1.33 Points
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Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 3975 avg: 4215 median: 4215 (25%) max: 4455 points
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Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 8290 avg: 8810 median: 8809.5 (6%) max: 9329 points
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Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 10253 avg: 11057 median: 11294.5 (7%) max: 11387 Points
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Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 5363 avg: 5524 median: 5563 (7%) max: 5607 Points
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wPrime 2.10 - wPrime 2.0 1024m *
min: 529 avg: 591 median: 570 (7%) max: 675 s
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VIA C3-M C3-M-1200
wPrime 2.10 - wPrime 2.0 32m *
min: 16.27 avg: 17.4 median: 17.8 (4%) max: 18.1 s
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min: 2413 avg: 2474 median: 2474 (4%) max: 2535 points
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X264 HD Benchmark 4.0 - x264 Pass 2
min: 14.54 avg: 15.4 median: 15.4 (5%) max: 16.32 fps
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X264 HD Benchmark 4.0 - x264 Pass 1
min: 86.3 avg: 87 median: 87 (20%) max: 87.7 fps
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TrueCrypt - TrueCrypt Serpent
0.2 GB/s (5%)
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TrueCrypt - TrueCrypt Twofish
min: 0.259 avg: 0.3 median: 0.3 (5%) max: 0.265 GB/s
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TrueCrypt - TrueCrypt AES
min: 1.4 avg: 1.5 median: 1.5 (4%) max: 1.5 GB/s
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3DMark 06 - CPU - 3DMark 06 - CPU
min: 3393 avg: 3567 median: 3594.5 (8%) max: 3685 Points
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Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 11 avg: 11.5 median: 11.4 (2%) max: 12 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: 27 avg: 27.4 median: 27.2 (1%) max: 28 s
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Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 640 avg: 648 median: 647.5 (3%) max: 655 s
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VIA C3-M C3-M-1200
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
52000 MIPS (25%)
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SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
36570 MFLOPS (28%)
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Windows 7 Experience Index - Win7 CPU
7.1 Points (91%)
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3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 8295 avg: 9039 median: 9222 (7%) max: 9600 Points
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3DMark 11 - 3DM11 Performance Physics
min: 2618 avg: 3129 median: 3231 (8%) max: 3436 Points
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AMD Ryzen 7 9800X3D
Sunspider - Sunspider 0.9.1 Total Score *
128 ms (1%)
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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
v1.28
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#9 min, max, avg, median took s +0.499s ... 0.534s
#10 return log +0.075s ... 0.609s
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External Review » Dell XPS 12
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External Review » HP EliteBook 2170p-B6Q15EA
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External Review » HP Envy 14t-3100 Spectre
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Fujitsu LifeBook UH75 : Intel HD Graphics 4000, 14.00", 1.4 kg
External Review » Fujitsu LifeBook UH75
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External Review » HP Envy Spectre XT 13t-2000
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Other CPUs of the series Core i7