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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 die 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.

SeriesIntel Core i5
CodenameIvy Bridge
Series: Core i5 Ivy Bridge
Intel Core i5-3380M (compare)2900 - 3600 MHz2 / 43 MB
Intel Core i5-3360M (compare)2800 - 3500 MHz2 / 43 MB
Intel Core i5-3340M (compare)2700 - 3400 MHz2 / 43 MB
Intel Core i5-3320M (compare)2600 - 3300 MHz2 / 43 MB
Intel Core i5-3230M (compare)2600 - 3200 MHz2 / 43 MB
Intel Core i5-3210M (compare)2500 - 3100 MHz2 / 43 MB
Intel Core i5-3437U (compare)1900 - 2900 MHz2 / 43 MB
» Intel Core i5-3427U1800 - 2800 MHz2 / 43 MB
Intel Core i5-3337U (compare)1800 - 2700 MHz2 / 43 MB
Intel Core i5-3317U (compare)1700 - 2600 MHz2 / 43 MB
Intel Core i5-3439Y (compare)1500 - 2300 MHz2 / 43 MB
Intel Core i5-3339Y (compare)1500 - 2000 MHz2 / 43 MB
Clock Rate1800 - 2800 MHz
Level 1 Cache128 KB
Level 2 Cache512 KB
Level 3 Cache3 MB
Number of Cores / Threads2 / 4
Max. Power Consumption (TDP = Thermal Design Power)17 Watt
Manufacturing Technology22 nm
Max. Temperature105 °C
SocketBGA1023
FeaturesTurbo Boost 2.0, Hyper-Threading, Virtualization VT-x, AES, Intel 64, Anti-Theft, My WiFi, Idle States, Enhanced SpeedStep, Thermal Monitorin, Execute Disable Bit
GPUIntel HD Graphics 4000 (350 - 1150 MHz)
64 Bit64 Bit support
Starting Price$225 U.S.
Announcement Date05/01/2012
Product Link (external)Intel Core i5 3427U

Benchmarks

Cinebench R11.5 - CPU Multi 64Bit
min: 1.47     avg: 2.4     median: 2.5 (11%)     max: 2.61 Points
Cinebench R11.5 - CPU Single 64Bit
min: 0.51     avg: 1     median: 1.1 (48%)     max: 1.16 Points
Cinebench R10 - Rendering Single 32Bit
min: 1156     avg: 3280.3     median: 3722.5 (45%)     max: 3872 Points
Cinebench R10 - Rendering Multiple CPUs 32Bit
min: 5065     avg: 7458.7     median: 7900 (16%)     max: 8021 Points
Cinebench R10 - Rendering Multiple CPUs 64Bit
min: 5969     avg: 8921.6     median: 9620.5 (14%)     max: 9947 Points
Cinebench R10 - Rendering Single CPUs 64Bit
min: 2290     avg: 4334.6     median: 4733 (52%)     max: 4858 Points
wPrime 2.0x - 1024m *
min: 595     avg: 632     median: 631.2 (7%)     max: 664.585 seconds
wPrime 2.0x - 32m *
min: 19     avg: 19.9     median: 19.9 (4%)     max: 20.972 seconds
X264 HD Benchmark 4.0 - Pass 2
min: 14.82     avg: 14.9     median: 14.9 (11%)     max: 15 fps
X264 HD Benchmark 4.0 - Pass 1
min: 80     avg: 80.7     median: 80.7 (34%)     max: 81.31 fps
TrueCrypt - Serpent Mean 100MB
min: 0.132     avg: 0.1     median: 0.1 (0%)     max: 0.135 GB/s
TrueCrypt - Twofish Mean 100MB
min: 0.221     avg: 0.2     median: 0.2 (0%)     max: 0.231 GB/s
TrueCrypt - AES Mean 100MB
min: 1.2     avg: 1.3     median: 1.3 (7%)     max: 1.3 GB/s
3DMark 06 - CPU
min: 1953     avg: 3016.4     median: 3179.5 (25%)     max: 3308 Points
Super Pi mod 1.5 XS 1M *
min: 13     avg: 13.8     median: 14 (3%)     max: 14.1 Seconds
Super Pi mod 1.5 XS 2M *
min: 30     avg: 31.6     median: 32 (1%)     max: 32.167 Seconds
Super Pi Mod 1.5 XS 32M *
min: 726.606     avg: 754.1     median: 740 (3%)     max: 799 Seconds
SiSoft Sandra Dhrystone (MIPS)
min: 45000     avg: 49710     median: 51990 (25%)     max: 52140 MIPS
SiSoft Sandra Whetstone (MFLOPS)
min: 31400     avg: 31996.7     median: 31750 (24%)     max: 32840 MFLOPS
Windows 7 Experience Index - Processor
6.9 points (88%)
3DMark Vantage - P CPU no PhysX 1280x1024
min: 6612     avg: 8439.4     median: 8748 (15%)     max: 8977 Points
3DMark 11 - Performance Physics 1280x720
min: 2521     avg: 3041     median: 3065 (17%)     max: 3407 points
3DMark - Ice Storm Standard Physics 1280x720
min: 9077     avg: 18767.5     median: 18767.5 (12%)     max: 28458 Points
3DMark - Cloud Gate Standard Physics 1280x720
min: 1110     avg: 1809     median: 1809 (5%)     max: 2508 Points
3DMark - Fire Strike Physics 1920x1080
min: 1645     avg: 2579.5     median: 2579.5 (10%)     max: 3514 Points
- 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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