Yesterday MediaTek announced the successor to last year's Helio P10. The Helio P10 was announced back in June with devices being announced and released in the following months. Even though the SoC is only 8 months old it still looks like MediaTek is keeping up the pace and looking forward with the new P20.
| MediaTek 2016 H1 Lineup | ||||
| SoC | MediaTek Helio X20 (MT6797) |
MediaTek Helio X10 (MT6795) |
MediaTek Helio P20 |
MediaTek Helio P10 (MT6755) |
| CPU | 4x Cortex A53 @1.4GHz 4x Cortex A53 @2.0GHz 2x Cortex A72 @2.5GHz |
4x Cortex A53 @2.2GHz 4x Cortex A53 @2.2GHz |
4x Cortex A53 @?GHz 4x Cortex A53 @2.3GHz |
4x Cortex A53 @1.1GHz 4x Cortex A53 @2.0GHz |
| Memory Controller |
2x 32-bit @ 933MHz LPDDR3 14.9GB/s b/w |
2x 32-bit @ 933MHz LPDDR3 14.9GB/s b/w |
2x 32-bit @1600MHz LPDDR4X or alternatively 1x 32-bit @ 933 LPDDR3 25.6GB/s or 7.4GB/s b/w |
1x 32-bit @933MHz LPDDR3 7.4GB/s b/w |
| GPU | Mali T880MP4 @700MHz |
PowerVR G6200 @700MHz |
Mali T880MP2 @900MHz |
Mali T860MP2 @700MHz |
| Encode/ Decode |
2160p30 10-bit H.264/HEVC/VP9 decode 2160p30 HEVC w/HDR encode |
2160p30 10-bit H.264/HEVC/VP9 decode 2160p30 HEVC encode |
2160p30 H.264 & HEVC decode 2160p30 H.264 encode |
1080p30 H.264 & HEVC decode 1080p30 H.264 encode |
| Camera/ISP | Dual ISP 32MP @ 24fps |
21MP single or 16MP + 8MP dual |
24MP single or 13MP + 13MP dual |
21MP single or 16MP + 8MP dual |
| Integrated Modem |
LTE Cat. 6 300Mbps DL 50Mbps UL 2x20MHz C.A. (DL) |
LTE Cat. 4 150Mbps DL 50Mbps UL |
LTE Cat. 6 300Mbps DL 50Mbps UL 2x20MHz C.A. (DL) |
LTE Cat. 6 300Mbps DL 50Mbps UL 2x20MHz C.A. (DL) |
| Mfc. Process | 20SoC | 28HPM | 16nm FinFET | 28HPC+ |
Going over the specifications what we see is a slight increase in frequency on the 8 Cortex A53 cores. Although we currently lack details on the clocks of the efficiency cluster, we can disclose that the performance cluster is now clocked in at 2.3GHz instead of 2.0. On the GPU side the Mali T860MP2 has been upgraded to a T880MP2 and clocks have been raised 200MHz to 900MHz.
Due to the lack of a big core CPU cluster or wide GPU configuration, it seems clear that the P20 is still aiming at more conservative and low-power performance targets while trying to keep the cost of the SoC down.
Source: Samsung Semiconductor @ Qualcomm 3G LTE 2015 Summit
An interesting addition is the integration of a new memory controller which is capable of LPDDR4X memory. LPDDR4X is a new standard which was finalized late last year and represents an evolution over LPDDR4 promising to improve power efficiency. This is done by lowering the VDDQ voltage of the memory down to 0.6V, which more than halve the output driver power and cuts overall total memory power by 20%.
The multimedia blocks see some enhancement in their capabilities and can now decode and encode in 4K, although the encoder is still limited to H.264 and thus lacks HEVC capability. The ISP has also seen upgrades and now has more processing power to support up to 24MP single cameras or 13+13MP dual cameras.
Finally, the biggest news here is that the P20 is manufactured on a 16nm FinFET node. The last weeks has seen a flurry of mid-range FinFET SoCs announced and this now marks MediaTek as the third vendor after Qualcomm and Samsung LSI to release a mid-range product on a high-end manufacturing process. Here at MWC we were able to have a chat with Executive Vice President and Co-Chief Operating Officer at MediaTek Jeffrey Ju and we were told to expect some 'outstanding' power efficiency from the P20.
Commercial devices with the P20 are reported to start shipping in the second half of 2016.
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