Intel Core i5-3427U vs Intel Core i5-3439Y

Intel Core i5-3427U

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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.

Intel Core i5-3439Y

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The Intel Core i5-3439Y is an ULV-processor for ultrabooks and tablets based on the Ivy Bridge architecture. 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 1.5 GHz but can dynamically increase clock rates with Turbo Boost up to 2.1 GHz (for 2 active cores) and 2.3 GHz (for 1 active core). As other dual core Core i5, 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 i5-3439Y is limited by the very low TDP. Therefore, the maximum turbo clocks are rarely achieved. Overall, the 3439Y should be a bit faster than the Core i3-3217U.

The integrated Intel HD Graphics 4000 offers 16 Execution Units (EUs) clocked at 350 MHz up to 850 MHz with Turbo Boost, delivering a performance comparable with an AMD Radeon HD 6520G.

The 3439Y is rated at a TDP of 13 W including graphics card and memory controller. If necessary, the TDP can be set to an even lower value of 10 W (cTDP Down). Therefore, the CPU is suited for tablets and ultrabooks.

Intel Core i5-3427UIntel Core i5-3439Y
Intel Core i5Intel Core i5
Ivy BridgeIvy Bridge
: Core i5 Ivy Bridge
Intel Core i5-3380M compare2900 - 3600 MHz2 / 43 MB
Intel Core i5-3360M compare2800 - 3500 MHz2 / 43 MB
Intel Core i5-3340M compare2700 - 3400 MHz2 / 43 MB
Intel Core i5-3320M compare2600 - 3300 MHz2 / 43 MB
Intel Core i5-3230M compare2600 - 3200 MHz2 / 43 MB
Intel Core i5-3210M compare2500 - 3100 MHz2 / 43 MB
Intel Core i5-3437U compare1900 - 2900 MHz2 / 43 MB
» Intel Core i5-3427U1800 - 2800 MHz2 / 43 MB
Intel Core i5-3337U compare1800 - 2700 MHz2 / 43 MB
Intel Core i5-3317U compare1700 - 2600 MHz2 / 43 MB
Intel Core i5-3439Y1500 - 2300 MHz2 / 43 MB
Intel Core i5-3339Y compare1500 - 2000 MHz2 / 43 MB
Intel Core i5-3380M compare2900 - 3600 MHz2 / 43 MB
Intel Core i5-3360M compare2800 - 3500 MHz2 / 43 MB
Intel Core i5-3340M compare2700 - 3400 MHz2 / 43 MB
Intel Core i5-3320M compare2600 - 3300 MHz2 / 43 MB
Intel Core i5-3230M compare2600 - 3200 MHz2 / 43 MB
Intel Core i5-3210M compare2500 - 3100 MHz2 / 43 MB
Intel Core i5-3437U compare1900 - 2900 MHz2 / 43 MB
Intel Core i5-3427U1800 - 2800 MHz2 / 43 MB
Intel Core i5-3337U compare1800 - 2700 MHz2 / 43 MB
Intel Core i5-3317U compare1700 - 2600 MHz2 / 43 MB
» Intel Core i5-3439Y1500 - 2300 MHz2 / 43 MB
Intel Core i5-3339Y compare1500 - 2000 MHz2 / 43 MB
1800 - 2800 MHz1500 - 2300 MHz
128 KB128 KB
512 KB512 KB
3 MB3 MB
2 / 42 / 4
17 13
22 22
105 °C105 °C
BGA1023BGA
Turbo Boost 2.0, Hyper-Threading, Virtualization VT-x, AES, Intel 64, Anti-Theft, My WiFi, Idle States, Enhanced SpeedStep, Thermal Monitorin, Execute Disable BitTurbo Boost 2.0, Hyper-Threading, Virtualization VT-x, VT-d, Trusted Execution, AES, Intel 64, Anti-Theft, My WiFi, Idle States, Enhanced SpeedStep, Thermal Monitorin, Execute Disable Bit
iGPUIntel HD Graphics 4000 (350 - 1150 MHz)Intel HD Graphics 4000 (350 - 850 MHz)
$225 U.S.
Intel Core i5 3427UIntel Core i5 3439Y

Cinebench R11.5 - CPU Multi 64Bit
100%
1 3427U +
min: 1.47     avg: 2.4     median: 2.5 (6%)     max: 2.61 Points
Cinebench R11.5 - CPU Single 64Bit
100%
1 3427U +
min: 0.51     avg: 1     median: 1.1 (44%)     max: 1.16 Points
Cinebench R10 - Rendering Single 32Bit
100%
1 3427U +
min: 1156     avg: 3280     median: 3722.5 (38%)     max: 3872 Points
Cinebench R10 - Rendering Multiple CPUs 32Bit
100%
1 3427U +
min: 5065     avg: 7459     median: 7900 (13%)     max: 8021 Points
Cinebench R10 - Rendering Multiple CPUs 64Bit
100%
1 3427U +
min: 5969     avg: 8922     median: 9620.5 (11%)     max: 9947 Points
Cinebench R10 - Rendering Single CPUs 64Bit
100%
1 3427U +
min: 2290     avg: 4335     median: 4733 (44%)     max: 4858 Points
wPrime 2.10 - 1024m *
100%
1 3427U +
min: 595     avg: 632     median: 631.2 (7%)     max: 664.585 seconds
wPrime 2.10 - 32m *
100%
1 3427U +
min: 19     avg: 19.9     median: 19.9 (4%)     max: 20.972 seconds
WinRAR - Result
100%
1 3427U +
min: 2293     avg: 2303     median: 2302.5 (24%)     max: 2312 KB/s
X264 HD Benchmark 4.0 - Pass 2
100%
1 3427U +
min: 14.82     avg: 14.9     median: 14.9 (9%)     max: 15 fps
X264 HD Benchmark 4.0 - Pass 1
100%
1 3427U +
min: 80     avg: 80.7     median: 80.7 (28%)     max: 81.31 fps
TrueCrypt - Serpent Mean 100MB
100%
1 3427U +
min: 0.132     avg: 0.1     median: 0.1 (0%)     max: 0.135 GB/s
TrueCrypt - Twofish Mean 100MB
100%
1 3427U +
min: 0.221     avg: 0.2     median: 0.2 (0%)     max: 0.231 GB/s
TrueCrypt - AES Mean 100MB
100%
1 3427U +
min: 1.2     avg: 1.3     median: 1.3 (0%)     max: 1.3 GB/s
3DMark 06 - CPU - CPU Score
100%
1 3427U +
min: 1953     avg: 3016     median: 3179.5 (21%)     max: 3308 Points
Super Pi mod 1.5 XS 1M - 1M *
100%
1 3427U +
min: 13     avg: 13.8     median: 14 (3%)     max: 14.1 Seconds
Super Pi mod 1.5 XS 2M - 2M *
100%
1 3427U +
min: 30     avg: 31.6     median: 32 (1%)     max: 32.167 Seconds
Super Pi Mod 1.5 XS 32M - 32M *
100%
1 3427U +
min: 726.606     avg: 754     median: 740 (3%)     max: 799 Seconds
SiSoft Sandra Dhrystone (MIPS) - Dhrystone
100%
1 3427U +
min: 45000     avg: 49710     median: 51990 (25%)     max: 52140 MIPS
SiSoft Sandra Whetstone (MFLOPS) - Whetstone
100%
1 3427U +
min: 31400     avg: 31997     median: 31750 (24%)     max: 32840 MFLOPS
Windows 7 Experience Index - Processor
100%
1 3427U +
6.9 points (88%)
3DMark Vantage - P CPU no PhysX 1280x1024
100%
1 3427U +
min: 6612     avg: 8439     median: 8748 (12%)     max: 8977 Points
3DMark 11 - Performance Physics 1280x720
100%
1 3427U +
min: 2521     avg: 3041     median: 3065 (14%)     max: 3407 points
3DMark - Ice Storm Standard Physics 1280x720
100%
1 3427U +
min: 9077     avg: 18768     median: 18767.5 (12%)     max: 28458 Points
3DMark - Cloud Gate Standard Physics 1280x720
100%
1 3427U +
min: 1110     avg: 1809     median: 1809 (5%)     max: 2508 Points
3DMark - Fire Strike Physics 1920x1080
100%
1 3427U +
min: 1645     avg: 2580     median: 2579.5 (8%)     max: 3514 Points
Geekbench 2 - 32 Bit - Stream
100%
1 3427U +
6719 Points (54%)
Geekbench 2 - 32 Bit - Memory
100%
1 3427U +
6121 Points (55%)
Geekbench 2 - 32 Bit - Floating Point
100%
1 3427U +
5799 Points (11%)
Geekbench 2 - 32 Bit - Integer
100%
1 3427U +
5197 Points (10%)
Geekbench 2 - 32 Bit - Total Score
100%
1 3427U +
5744 Points (15%)
Sunspider - 0.9.1 Total Score *
100%
1 3427U +
225 ms (2%)

Average Benchmarks Intel Core i5-3427U → NAN% n=

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)