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Samsung Exynos 5420 Octa

Samsung 5420 Octa

The Samsung Exynos 5420 Octa (also called Exynos 5 Octa) is a system-on-a-chip (SoC) for smartphones and tablets. It was launched in mid-2013 alongside the Samsung Galaxy Note 3 and features four Cortex-A15 cores clocked at up to 1.9 GHz. Furthermore, there are four additional Cortex-A7 cores at up to 1.3 GHz, an ARM Mali-T628 MP6 GPU and a 2x 32 bit LPDDR3(E)-1866 memory controller up to 14.9 GB/s.

Processor 

Compared to the commonly used Cortex-A9 and Cortex-A7 architecture, the A15 cores offer at least 50 percent higher performance per clock, which makes the Exynos 5420 one of the fastest ARM SoCs of 2013. On average, the CPU performance is roughly on par with the Qualcomm Snapdragon 800 or Nvidia Tegra 4

In addition, Samsung has integrated four Cortex-A7 cores clocked up to 1.3 GHz. Depending on the system load, the SoC will automatically switch between the more powerful A15 cores and the more efficient A7 cores to improve power consumption and battery life in a concept Samsung calls big.LITTLE". In contrast to the previous Exynos 5410, all eight cores can be used simultaneously, so that the chip can be described as the first "true" octa-core SoC in its class.

Graphics

The Exynos 5420 integrates a Mali-T628 MP6 GPU, which offers six shader clusters clocked at up to 600 MHz (115 GFLOPS). The Mali-T628 supports OpenGL ES 3.0, OpenCL 1.1 and DirectX 11 and offers a performance that is just sligthly behind the Adreno 330 (Snapdragon 800) or a PowerVR G6430 (Apple A7). Thus, the GPU is one of the high-end solutions as of 2013 and can run even the most demanding Android games at high resolutions (up to 2560 x 1600 pixels) and detail settings.

Power Consumption

The Exynos 5 Octa should have an estimated maximum TDP of about 3 to 4 W on a smartphone. It is possible that sustained load will lead to throttling of the CPU or GPU, especially in smartphones.

SeriesSamsung Exynos
CodenameCortex-A7/-A15
Series: Exynos Cortex-A7/-A15
Samsung Exynos 5430 Octa compare1.8 GHz8 / 8 Cortex-A7/-A15
» Samsung Exynos 5420 Octa1.8 GHz8 / 8 Cortex-A7/-A15
Samsung Exynos 5410 Octa compare1.6 GHz8 / 8 Cortex-A7/-A15
Clock Rate1800 - 1900 MHz
Level 1 Cache8x 64 KB
Level 2 Cache512 + 2048 KB
Number of Cores / Threads8 / 8
Manufacturing Technology28 nm
FeaturesARM Mali-T628 MP6 GPU (600 MHz), 4x Cortex-A15 (1.8 - 1.9 GHz) + 4x Cortex-A7 (1.3 GHz, big.LITTLE), 2x 32 Bit LPDDR3(E)-1866 Memory Controller
ArchitectureARM
Announcement Date09/25/2013
Product Link (external)Samsung Exynos 5420 Octa

Benchmarks

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* Smaller numbers mean a higher performance

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Reviews for the Samsung Exynos 5420 Octa processor

Samsung Chromebook XE503C12-K01UK ( unknown, 11.60")
» Samsung Chromebook XE503C12-K01UK - External Review

Samsung Chromebook XE503C12-K01US ( unknown, 11.60")
» Samsung Chromebook XE503C12-K01US - External Review

Samsung Galaxy Note Pro 12.2 (ARM Mali-T628 MP6, 12.20")
» Review Samsung Galaxy Note Pro 12.2 Tablet - Review
» Samsung Galaxy Note Pro 12.2 - External Review

Samsung Galaxy Tab Pro 10.1 WiFi-Version (ARM Mali-T628 MP6, 10.10")
» Double-Review Samsung Galaxy Tab Pro 10.1 Tablet - Review
» Samsung Galaxy Tab Pro 10.1 - External Review

Samsung Galaxy Tab Pro 12.2 (ARM Mali-T628 MP6, 12.20")
» Samsung Galaxy Tab Pro 12.2 - External Review

Samsung Galaxy Tab S 10.5 (ARM Mali-T628 MP6, 10.50")
» Samsung Galaxy Tab S 10.5 Tablet Review - Review
» Samsung Galaxy Tab S 10.5 - External Review

Samsung Galaxy Tab S 8.4 (ARM Mali-T628 MP6, 8.40")
» Samsung Galaxy Tab S 8.4 Tablet Review - Review
» Samsung Galaxy Tab S 8.4 - External Review

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» Mobile CPU Comparison
Comparison of all mobile CPU series

» Mobile Processors - Benchmarklist
Benchmarklist of all known CPUs that are used in laptops (desktop and laptop CPUs)

Other CPUs of the series Exynos

» Samsung Exynos 2100 5G
   8x 2.2 GHz - 2.9 GHz
» Samsung Exynos 990
   8x 2 GHz - 2.73 GHz
» Samsung Exynos 9825
   8x 1.9 GHz - 2.73 GHz
» Samsung Exynos 9820
   8x 1.9 GHz - 2.7 GHz
» Samsung Exynos 9810
   8x - 2.9 GHz
» Samsung Exynos 8895 Octa
   8x 2.3 GHz
» Samsung Exynos 8890 Octa
   8x 2.6 GHz
» Samsung Exynos 9611
   8x 1.7 GHz - 2.3 GHz
» Samsung Exynos 9610
   8x 1.7 GHz - 2.3 GHz
» Samsung Exynos 9609
   8x 1.6 GHz - 2.2 GHz
» Samsung Exynos 7885
   8x 2.2 GHz
» Samsung Exynos 7420 Octa
   8x 2.1 GHz
» Samsung Exynos 5433 Octa
   8x 1.9 GHz
» Samsung Exynos 7904
   8x 1.8 GHz
» Samsung Exynos 5430 Octa
   8x 1.8 GHz
» Samsung Exynos 5420 Octa
   8x 1.8 GHz
» Samsung Exynos 7880
   8x 1.9 GHz
» Samsung Exynos 7884B
   8x 1.56 GHz
» Samsung Exynos 7870 Octa
   8x 1.6 GHz
» Samsung Exynos 5410 Octa
   8x 1.6 GHz
» Samsung Exynos 5260 Hexa
   6x 1.7 GHz
» Samsung Exynos 5250 Dual
   2x 1.7 GHz
» Samsung Exynos 7580 Octa
   8x 1.6 GHz
» Samsung Exynos 7578
   4x 1.5 GHz
» Samsung Exynos 7570 Quad
   4x 1.4 GHz
» Samsung Exynos 4412 Quad
   4x 1.4 GHz
» Samsung Exynos 3470 Quad
   4x 1.4 GHz
» Samsung Exynos 3475 Quad
   4x 1.3 GHz
» Samsung Exynos 4212 1.5 GHz
   2x 1.5 GHz
» Samsung Exynos 4210 1.4 GHz
   2x 1.4 GHz
» Samsung Exynos 4210 1.2 GHz
   2x 1.2 GHz

Surrounding CPUs

+ Qualcomm Snapdragon 625
   8x 2 GHz
+ Qualcomm Snapdragon 439
   8x 2 GHz
+ HiSilicon Kirin 925
   8x 1.8 GHz
» Samsung Exynos 5420 Octa
   8x 1.8 GHz
- HiSilicon Kirin 920
   8x 1.7 GHz
- Samsung Exynos 7880
   8x 1.9 GHz
- HiSilicon Kirin 935
   8x 2.2 GHz
- HiSilicon Kirin 659
   8x 2.36 GHz
- Samsung Exynos 7884B
   8x 1.56 GHz
> Notebook / Laptop Reviews and News > Benchmarks / Tech > Notebook Processors > Samsung Exynos 5420 Octa SoC
Klaus Hinum (Update: 2014-05- 4)