MediaTek Dimensity 9300+ vs Mediatek Dimensity 9400
MediaTek Dimensity 9300+
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The MediaTek Dimensity 9300+ (9300 Plus) is a high-end SoC for smartphones and tablets based on Android. For the first time, the CPU no longer uses classic energy-saving cores, but only so-called big cores. The CPU part integrates a fast ARM Cortex-X4 core with up to 3.4 GHz, three lower clocked X4 cores with up to 2.9 GHz and four smaller Cortex-A520 cores with up to 2 GHz. The fast prime core is also the difference to the identical Dimensity 9300. As with the latter, the SoC offers a large 18 MB level 3 cache.
As expected, the performance in initial benchmarks with a Xiaomi 14T Pro is slightly faster than the Dimensity 9300 and comparable to a Snapdragon 8 Gen 3 (in Geekbench 6). In PCMark and Crossmark, the performance is slightly worse and more at the level of a Qualcomm Snapdragon 8 Gen 2.
The integrated MediaTek APU 790 fully relies on Generative AI and aims to accelerate adapted algorithms by a factor of eight. Energy efficiency is said to have been improved by 45 percent. With the MiraVision 990, displays can be operated in Ultra HD at up to 120 Hz and Google Ultra HDR image display (from Android 14) is also supported.
The graphics unit is an ARM Immortalis-G720 MP12 is used.
The SoC is manufactured using the 3rd generation 4-nanometer process at TSMC (N4X).
Mediatek Dimensity 9400
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The Mediatek Dimensity 9400 is the Taiwanese company's latest flagship SoC for premium Android phones and tablets, as of Nov 2024. It sports 1 Cortex-X925 core running at up to 3.62 GHz along with 3 Cortex-X4 cores (up to 3.25 GHz) and 4 Cortex-A720 cores (up to 2 GHz). The Immortalis-G925 MP12 serves as the integrated GPU and there is also the MediaTek 890 8th generation NPU with one "performance" core and one "flexible" core. Naturally, 5G, Wi-Fi 7, Bluetooth and satellite navigation are included, too.
Architecture and Features
The CPU is based on the ARM v9.2 architecture to a certain degree. There are no "little" cores here, much like it was with the Dimensity 9300 (4x Cortex-X4 and 4x Cortex-A720 cores). This is an approach that's vastly different to what all other ARM chipmakers do.
The manufacturer has given a boost to the level 3 and SLC caches compared to the previous-gen chip, which now have a combined capacity of 22 MB (12 MB L3 + 10 MB system cache). LPDDR5x RAM as fast as 10667 MT/s is supported; there are other cool features such as the 12-transistor L1 cache system and "up to 1.5 km" Bluetooth coverage.
Performance
The chip delivers ~9000 Geekbench 6.3 Multi points, making it a few percentage points faster than the Apple A18 Pro and about 20% faster than the Dimensity 9300.
Graphics
The ARM-developed Immortalis-G925 GPU (the 12-core variety) comes with hardware ray tracing, Accuracy Super Resolution and more. It's ready to power three-display folding phones as well as drive "WQHD+" resolution displays at up to 180 Hz, and it HW-decodes the codecs that matter most - AVC, HEVC, VP9, AV1.
The ~2700 3DMark Steel Nomad Light points that it delivers make it almost as fast as the Qualcomm Adreno 830.
Power consumption
Its peak power consumption is reportedly very high at well over 10 W. Gaming phones with advanced cooling solution are set to get much better performance (especially sustained performance) out of the SoC than regular thin models.
The Dimensity is built with TSMC's N3E process which is still state-of-the-art as of late 2024.
Model | MediaTek Dimensity 9300+ | Mediatek Dimensity 9400 | ||||||||||||||||||||
Codename | Cortex-X4 / A720 | Cortex-X925, X4, A720 | ||||||||||||||||||||
Series | Mediatek Dimensity 9000 | Mediatek Dimensity 9000 | ||||||||||||||||||||
Series: Dimensity 9000 Cortex-X925, X4, A720 |
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Clock | 2000 - 3400 MHz | 2000 - 3620 MHz | ||||||||||||||||||||
L3 Cache | 18 MB | 22 MB | ||||||||||||||||||||
Cores / Threads | 8 / 8 1 x 3.4 GHz ARM Cortex-X4 3 x 2.9 GHz ARM Cortex-X4 4 x 2.0 GHz ARM Cortex-A720 | 8 / 8 1 x 3.6 GHz ARM Cortex-X925 3 x 3.3 GHz ARM Cortex-X4 4 x 2.0 GHz ARM Cortex-A720 | ||||||||||||||||||||
Technology | 4 nm | 3 nm | ||||||||||||||||||||
Features | ARM Immortalis-G720 MP12, Wi-Fi 7 up to 6.5 GBit/s, Bluetooth 5.4, LPDDR5T-9600 @ 4800 MHz, Imagiq 990, AI 5G Modem up to 7 GBit/s, | 5G (3GPP, Sub-6GHz), Wi-Fi 7, BT 6.0, UFS 4, LPDDR5X 10667 Mbps, NPU 890 | ||||||||||||||||||||
Architecture | ARM | ARM | ||||||||||||||||||||
Announced | ||||||||||||||||||||||
Manufacturer | www.mediatek.com | www.mediatek.com | ||||||||||||||||||||
L2 Cache | 7 MB | |||||||||||||||||||||
Transistors | 29100 Million | |||||||||||||||||||||
iGPU | ARM Immortalis-G925 MC12 |
Benchmarks
Average Benchmarks MediaTek Dimensity 9300+ → 100% n=19
Average Benchmarks Mediatek Dimensity 9400 → 122% n=19

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