Intel Core i5-3427U
The Intel Core i5-3427U is an ULV-processor for laptops based on the Ivy Bridge architecture released 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 1.8 GHz but can dynamically increase clock rates with Turbo Boost up to 2.6 GHz (for 2 active cores) and 2.8 GHz (for 1 active core). As its Sandy-Bridge-based predecessors, it offers a 3 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 i5-3427U isslightly above a similarly clocked Sandy Bridge processor due to the architectural improvements. Therefore, overall performance is similar to the former Core i7-2677M or a Core i3-2330M .
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 i5 Codename Ivy Bridge Series: Core i5 Ivy Bridge Clock Rate 1800 - 2800 MHz Level 1 Cache 128 KB Level 2 Cache 512 KB Level 3 Cache 3 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, 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 $225 U.S. Announcement Date 05/01/2012 Product Link (external) ark.intel.com
Benchmarks Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 1.47 avg: 2.3 median: 2.5 (3%) max: 2.61 Points
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Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 0.51 avg: 1 median: 1.1 (28%) max: 1.16 Points
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Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 1156 avg: 3280 median: 3722.5 (22%) max: 3872 points
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Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 5065 avg: 7459 median: 7900 (6%) max: 8021 points
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Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 5969 avg: 8922 median: 9620.5 (7%) max: 9947 Points
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Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 2290 avg: 4335 median: 4733 (6%) max: 4858 Points
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wPrime 2.10 - wPrime 2.0 1024m *
min: 595 avg: 632 median: 631 (7%) max: 665 s
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VIA C3-M C3-M-1200
wPrime 2.10 - wPrime 2.0 32m *
min: 19 avg: 19.9 median: 19.9 (4%) max: 20.97 s
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min: 2293 avg: 2303 median: 2302.5 (4%) max: 2312 points
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X264 HD Benchmark 4.0 - x264 Pass 2
min: 14.82 avg: 14.9 median: 14.9 (5%) max: 15 fps
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X264 HD Benchmark 4.0 - x264 Pass 1
min: 80 avg: 80.7 median: 80.7 (19%) max: 81.3 fps
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TrueCrypt - TrueCrypt Serpent
min: 0.132 avg: 0.1 median: 0.1 (4%) max: 0.135 GB/s
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TrueCrypt - TrueCrypt Twofish
min: 0.221 avg: 0.2 median: 0.2 (4%) max: 0.231 GB/s
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TrueCrypt - TrueCrypt AES
min: 1.2 avg: 1.3 median: 1.3 (3%) max: 1.3 GB/s
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3DMark 06 - CPU - 3DMark 06 - CPU
min: 1953 avg: 3016 median: 3179.5 (7%) max: 3308 Points
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Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 13 avg: 13.8 median: 14 (3%) max: 14.1 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: 30 avg: 31.6 median: 32 (1%) max: 32.17 s
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Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 727 avg: 754 median: 740 (3%) max: 799 s
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VIA C3-M C3-M-1200
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
min: 45000 avg: 49710 median: 51990 (25%) max: 52140 MIPS
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SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
min: 31400 avg: 31997 median: 31750 (24%) max: 32840 MFLOPS
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Windows 7 Experience Index - Win7 CPU
6.9 Points (88%)
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3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 6612 avg: 8439 median: 8748 (8%) max: 8977 Points
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3DMark 11 - 3DM11 Performance Physics
min: 2521 avg: 3041 median: 3065 (8%) max: 3407 Points
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3DMark - 3DMark Ice Storm Physics
min: 9077 avg: 18768 median: 18767.5 (15%) max: 28458 Points
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3DMark - 3DMark Cloud Gate Physics
min: 1110 avg: 1809 median: 1809 (5%) max: 2508 Points
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3DMark - 3DMark Fire Strike Standard Physics
min: 1645 avg: 2580 median: 2579.5 (5%) max: 3514 Points
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Geekbench 2 - 32 Bit - Geekbench Stream
6719 Points (54%)
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Geekbench 2 - 32 Bit - Geekbench Memory
6121 Points (55%)
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Geekbench 2 - 32 Bit - Geekbench Floating Point
5799 Points (11%)
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Geekbench 2 - 32 Bit - Geekbench Integer
5197 Points (10%)
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Geekbench 2 - 32 Bit - Geekbench Total Score
5744 Points (15%)
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Sunspider - Sunspider 0.9.1 Total Score *
225.2 ms (2%)
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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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Apple MacBook Air 13 inch 2012-06 MD231LL/A : Intel HD Graphics 4000, 13.30", 1.4 kg
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Panasonic Toughbook CF-AX2 : Intel HD Graphics 4000, 11.60", 1.1 kg
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Panasonic ToughBook CF-C2 : Intel HD Graphics 4000, 12.50", 1.9 kg
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Lenovo ThinkPad Helix : Intel HD Graphics 4000, 11.60", 2.5 kg
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External Review » Lenovo Thinkpad X1 Carbon N3N34GE
Fujitsu Stylistic Q702 : Intel HD Graphics 4000, 11.60", 1.7 kg
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Google Chromebook Pixel : Intel HD Graphics 4000, 12.90", 1.5 kg
External Review » Google Chromebook Pixel
Dell Latitude 6430u : Intel HD Graphics 4000, 14.00", 1.8 kg
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HP EliteBook Folio 9470m : Intel HD Graphics 4000, 14.00", 1.6 kg
External Review » HP EliteBook Folio 9470m
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External Review » Dell XPS 12-9Q23-5550
Toshiba Portege Z930-105 : Intel HD Graphics 4000, 13.30", 1.1 kg
External Review » Toshiba Portege Z930-105
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Fujitsu LifeBook U772 : Intel HD Graphics 4000, 14.00", 1.4 kg
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Toshiba Portege Z930-S9301 : Intel HD Graphics 4000, 13.30", 1.2 kg
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Apple MacBook Air 13 inch 2012-06 MD231LL/A : Intel HD Graphics 4000, 13.30", 1.4 kg
External Review » Apple MacBook Air 13 inch 2012-06 MD231LL/A
Samsung 900X4C : Intel HD Graphics 4000, 15.00", 1.7 kg
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Klaus Hinum (Update: 2012-05-26)