In 91mobiles’ listed results, the Snapdragon 8 Gen 5 scores higher than the MediaTek Dimensity 9400e in AnTuTu and both Geekbench tests. That makes it the leader in this published comparison, not a guaranteed winner in every phone: the source does not establish matched devices, software, cooling or test conditions. The specifications show two distinct platforms, while a buying decision should also account for the particular phone’s sustained performance, heat, battery life and price.
Snapdragon 8 Gen 5 vs Dimensity 9400e: specifications
Qualcomm and MediaTek describe different CPU and graphics designs. The table summarizes vendor-listed platform specifications; support for a feature does not mean every phone maker implements it in the same way.
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| Specification | Snapdragon 8 Gen 5 | Dimensity 9400e |
|---|---|---|
| CPU | Custom Qualcomm Oryon CPU, with peak speeds up to 3.8GHz, according to Qualcomm. | Eight cores: one Cortex-X4 up to 3.4GHz, three Cortex-X4 up to 2.85GHz, and four Cortex-A720 up to 2.0GHz, according to MediaTek. |
| GPU | Adreno GPU; Qualcomm does not state the GPU model in the cited product details. | Immortalis-G720 MC12, according to MediaTek. |
| Manufacturing process | 3nm, according to Qualcomm. | not stated in the cited MediaTek product information. |
| Memory | not stated in the cited Qualcomm product details. | LPDDR5X support, according to MediaTek. |
| Connectivity | Snapdragon X80 5G modem and FastConnect 7900, with Wi-Fi 7 and Bluetooth 6.0, according to Qualcomm. | Wi-Fi 7 support, according to MediaTek. |
MediaTek announced the Dimensity 9400e on May 14, 2025. Its specifications describe platform capabilities; a phone’s final feature set depends on the manufacturer’s implementation. Qualcomm’s product page also lists generational gains of 36% in CPU performance, 11% in graphics performance and 13% in overall power savings. Those comparisons are against the previous Snapdragon generation, not the Dimensity 9400e, so they are not direct evidence of a gap between these two chips.
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91mobiles lists the following results for the two processors:
#1 Best Overall
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- NIGHTS, CAPTURED CLEARLY: From gigs to city lights, record and capture moments after dark with clarity using Nightography so your photos and videos stay crisp and clear on your Samsung Galaxy
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- HELP THAT KEEPS UP: Stay in the moment while Now Nudge with Galaxy AI helps you respond faster and stay organized with smart suggestions⁵ that appear exactly when you need them on your phone
| Benchmark | Snapdragon 8 Gen 5 | Dimensity 9400e |
|---|---|---|
| AnTuTu total | 3,098,258 | 2,125,733 |
| Geekbench single-core | 2,889 | 2,219 |
| Geekbench multi-core | 9,583 | 7,308 |
These are scores reported by 91mobiles, not results from a controlled head-to-head test established by the comparison page. It does not confirm that both chips were tested in phones with the same cooling, software build or testing conditions. The figures show which result is higher on that page, but should not be read as a precise forecast of the difference between retail phones.
What the scores can—and cannot—tell you
CPU workloads
Geekbench single-core and multi-core scores offer a standardized way to compare processor results, but the listed figures do not establish how a particular phone will behave during everyday use. The chip’s configuration matters, as do the phone’s software and thermal limits.
Rank #2
- Factory Unlocked Compatibility: USA & Rest of the World, In USA Unlocked only for T-Mobile (GSM) and excluding Verizon, Sprint, US Cellular, No CDMA / Dual SIM (Nano-SIM slot 4FF, eSIM), Networks: 2G GSM, 3G, 4G LTE, 5G
- Display Specifications: 6.71 inches, OLED, FHD+ 1256 x 2808, 1.07 billion colors
- Storage and Memory: 1TB Storage, 16GB RAM
- Processor and Graphics: Qualcomm Snapdragon 8 Elite (Gen 5) Mobile Platform, Adreno 840
- Connectivity Features: Bluetooth 6.0, Wi-Fi, NFC
Graphics and gaming
AnTuTu includes more than CPU performance, but a single total score does not establish sustained gaming performance. The GPU design is different in each platform, and a phone’s cooling and power settings influence how well it can maintain performance during a long session.
Power and heat
Neither the reported scores nor Qualcomm’s generational efficiency claim establishes which chip will deliver better battery life or lower temperatures in a particular matchup. Those outcomes depend on the complete phone and the workload; Qualcomm’s 13% overall power-savings figure is a comparison with its prior generation, not with the Dimensity 9400e.
Rank #3
- SPLIT THE VIEW. MULTITASK¹ TO THE MAX: Productivity never felt this powerful. Use up to three apps¹ at once on the expansive inner screen of Galaxy Z Fold8 Ultra. You’ll enjoy plenty of space to work, play, connect and more.
- MULTITASKING MADE SMARTER WITH AI: Stay one step ahead with AI² that suggests which apps you might need next. Then view those multiple windows side by side on the large screen of your Galaxy Z Fold8 Ultra.
- ANY SHOT, ALL THE DETAILS: Dive into the details of any image with our best camera on a foldable smartphone. Galaxy Z Fold8 Ultra boasts a 200MP camera — and an upgraded 50MP Ultra Wide lens — for both stunning wide shots and extreme close-ups.
- ELITE CHIPSET. FLUID GRAPHICS: Experience what’s possible with our most advanced Galaxy Z Series processor. From immersive gaming and speedy multitasking to the latest Galaxy AI³ features, the Snapdragon 8 Elite Gen 5 keeps everything running seamlessly.
- THE BATTERY YOU’VE BEEN WAITING FOR: It’s the battery you’ve been wanting in a foldable cell phone. Galaxy Z Fold8 Ultra packs a powerful ultra-sized⁴ battery in an ultra-slim design. Plus, with Super Fast Charging 2.0⁵, charge up faster than ever before.
How to choose between phones using these chips
Choose between actual phone models rather than treating the processor name as the whole decision. Compare models sold in your region and check the same price and storage configuration where possible.
- Sustained performance: Look for testing of the exact phone model under extended gaming or heavy workloads, not just a peak benchmark score.
- Thermals and battery: Compare phone-level temperature and battery results under similar usage conditions. A chip’s theoretical capabilities do not determine a device’s endurance on their own.
- Connectivity: Confirm the phone’s implemented network bands and wireless features for your carrier and region. Platform support does not guarantee that every device exposes every feature.
- Camera and software: Compare the camera hardware and processing, update policy and software features of the specific phones.
- Price and availability: Check the current local listing and exact variant. The chip specifications alone do not establish a phone’s price or availability.
Qualcomm’s device finder lists the OnePlus 15R as a Snapdragon 8 Gen 5 phone. That identifies a concrete model to include when comparing available devices, but its regional variant, current price and listing should be checked with the seller or manufacturer. The cited sources do not establish a corresponding Dimensity 9400e phone matchup under equivalent conditions.
Verdict
On the published 91mobiles figures, Snapdragon 8 Gen 5 leads all three listed benchmark results. The available evidence does not establish a controlled comparison or a universal real-world winner. Use the scores as one signal, then choose based on credible testing and the features, sustained performance, battery life and price of the exact phones you can buy.
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