It's been some time since we talked about MediaTek – The Helio P60 was the most recent model within the extra seen "Premium" sequence that the corporate is now specializing in. The P70, which was launched later this yr, was apparently the identical P60 chipset, which was discounted at the next clock charge. With new era manufacturing processes and Arm's new Cortex IP cores, I've been anticipating a brand new model of MediaTek for a while now.
In the present day's announcement pertains to the brand new Helio P90: The brand new chipset is a shock, as it isn’t precisely what I anticipated. The P90 designation seems to place the chipset on the highest finish of the "P sequence", however its specs usually are not precisely in line with this positioning.
Let's begin with the specs of the P90:
MediaTek Present P-Sequence
Helio P60 / P70
2x Cortex A75 at 2.2 GHz
6x Cortex A55 at 2.zero GHz
4x Cortex A73 at 2.zero / 2.1 GHz
4x Cortex A53 at 2.zero GHz
PowerVR GM 9446 at 970 MHz
Mali G72MP3 at 800/900 MHz
APU / NPU / AI Proc. / Neuronal IP
2x + 140GMACs
+ In-house Inference Machine
Complete 1127 GMAC
2x 16bit LPDDR4X at 1866MHz
1x 32bit LPDDR3 @ 933MHz
2x 16bit LPDDR4X @ 1800MHz
ISP / digicam
1x 48MP or 2x 24 + 16MP
1x 32MP or 2x 20 + 16MP
2160p? H.264 & HEVC
2160p30 H.264 and HEVC
DL = 600 Mbps
three x 20 MHz CA, 256-QAM, 4×4 MIMO
UL = 150 Mbps
2x20MHz CA, 64-QAM
DL = 300 Mbps
three x 20 MHz CA, 64-QAM
UL = 150 Mbps
2x20MHz CA, 64-QAM
Mfc. To course of
At coronary heart, the brand new P90 is the primary arm DynamIQ processor from MediaTek that has been configured with SoC. The P60 and P70 Arm Cortex A73 and A53 cores have been changed by the newer Cortex A75 and Cortex A55 cores. The A75 cores are clocked at 2.2GHz, whereas the A55 cores have an identical 2.0GHz clock as their predecessors.
What's very stunning for MediaTek is the core depend for every core kind: MediaTek has developed from a four + four configuration to a 2 + 6 configuration that mimics Qualcomm's Snapdragon 670 and 710 chipsets. When it comes to multithreaded efficiency, this needs to be a downgrade from the P60 / 70, though the brand new A75 cores ought to present a superb increase over the A73 cores. MediaTek talks about including a "massive L3" to the brand new chipset, however doesn’t specify its precise dimension nor the L2 configurations of the CPU cores.
On the GPU facet, we see an enormous shift for MediaTek because it makes use of the Arm Mali GPU for the primary time in a very long time in favor of Imaginations of the brand new PowerVR GM 9446 GPU at as much as 970 MHz. That is The most important 9XM configuration of Creativeness and comes with 2 USCs for a throughput of eight pixels per clock and a complete computational throughput of 128 FLOPS / clock. To place this into perspective, that is about twice the fill charge of the Mali G72MP3 GPU of the P60 and represents both a rise in FMADD throughput of 77% or a rise in FLOPS / clock by 18%, respectively if you happen to additionally depend FADD models.
On the Machine Entry facet, MediaTek makes a large leap in computing energy: Right here we nonetheless see Tensilica's DSP within the P90, the unit that additionally handles the machine studying workloads on the P60 and P70. This machine will proceed for use within the P90, however MediaTek is now for the primary time integrating a proprietary inference engine. MediaTek doesn’t modify the quantity, however says the entire unit efficiency is 1127 GMACs. Within the extra typical counting strategies, a MAC equals two OPS, ie the P90 ought to be capable of ship about 2.2 TOPs. It needs to be famous that the brand new inference engine is outwardly destined for FP16 operations, because the SoC's INT8 efficiency has been elevated by solely 10 to 20%, which implies that such operations are nonetheless being outsourced to Tensilica's IP ,
When it comes to bandwidth, MediaTek continues to be fairly reluctant on this respect, because the P90 nonetheless has solely a 32-bit reminiscence controller within the type of 2x 16-bit LPDDR4X channels as much as 1866 MHz, which is a theoretical bandwidth of as much as 1866 MHz offers 14.92 GB / s.
When it comes to connectivity, they upgraded from Class 7 to Class 12, doubling the obtain velocity for downstream spikes to 600 Mbps utilizing the brand new 256QAM and 4×4 MIMO.
In the end, the imaging pipeline in addition to the ISP are mentioned to have undergone main enhancements, as the brand new chipset now gives multi-frame noise discount and now helps bigger sensors with as much as 48 MP in single digicam mode or 24 + 16 MP in twin mode with acceleration for dual-sensor depth sensing and new software program stacks that use the brand new inference and improve options equivalent to edge detection.
General, the MediaTek P90 appears to be a wholesome improve in each means – nevertheless it's nonetheless a conservative SoC. Right here, MediaTek continues to be lagging behind in integrating the most recent IPs, equivalent to Arm's new Cortex A76 CPU. The SoC can also be manufactured on TSMC's 12FFC course of node. It is a downside to MediaTek's direct competitors towards the P90: the Snapdragon 670, 710 and even the newer 675 . Since MediaTek is promoting the P90 so excessive within the P-Sequence, I’ve to marvel if we’ll quickly see a return of an X Sequence SoC with the upper specs for a 7nm chipset subsequent yr.
The Helio P90 will likely be obtainable for companions and first business units will likely be introduced in direction of the tip of the primary quarter of 2019.