The Mediatek MT8121 is a low-cost ARM SoC (System on a Chip) mainly used in tablets. It is manufactured in 28 nm and integrates a quad-core Cortex-A7 processor and a PowerVR SGX 544 GPU. The CPU cores are typically clocked at 1.3 GHz while the GPU is clocked at 156 MHz.
Performance
Since the Cortex-A7 architecture is somewhat slower than a Krait or Cortex-A9 design at the same clock speeds, the performance of the MT8121 is just below Nvidia's Tegra 3 or the Samsung Exynos 4412. The PowerVR SGX 544 is also just a low-cost solution not designed for ultra-high resolution displays or very demanding games.
Features
In addition to the processor and GPU, the SoC integrates a decoder for 1080p video, WiFi, Bluetooth 4.0 as well as GPS, but lacks a 2G/3G/4G radio. Cameras are supported up to a resolution of 13 MP.
Power consumption
Thanks to the energy-efficient A7 cores and 28 nm manufacturing, the power consumption is likely very low and suitable for even smaller tablets.
| Codename | Cortex-A7 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Series | Mediatek | ||||||||||||||||||||||||||||||||||||||||||||||||
Series: Mediatek Cortex-A7
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| Clock Rate | 1300 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||
| Level 2 Cache | 1 MB | ||||||||||||||||||||||||||||||||||||||||||||||||
| Number of Cores / Threads | 4 / 4 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Manufacturing Technology | 28 nm | ||||||||||||||||||||||||||||||||||||||||||||||||
| Features | Wi-Fi, Bluetooth 4.0, GPS | ||||||||||||||||||||||||||||||||||||||||||||||||
| GPU | PowerVR SGX544 (156 MHz) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Architecture | ARM | ||||||||||||||||||||||||||||||||||||||||||||||||
| Announcement Date | 07/01/2013 | ||||||||||||||||||||||||||||||||||||||||||||||||
- Average benchmark values
Lenovo Tab2 A7-10F: PowerVR SGX544, 7.00", 0.3 kg
External Review » Lenovo Tab2 A7-10F
Lenovo IdeaTab A8-50 A5500: PowerVR SGX544, 8.00", 0.4 kg
External Review » Lenovo IdeaTab A8-50 A5500
Lenovo A8-50: unknown, 8.00", 0.4 kg
External Review » Lenovo A8-50
Lenovo Ideapad A10: PowerVR SGX544, 10.10", 0.5 kg
External Review » Lenovo Ideapad A10
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