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The MediaTek Dimensity 7400-Ultra is confirmed in Xiaomi’s REDMI Note 15 Pro 5G. Xiaomi describes it as a TSMC 4 nm, octa-core processor with big cores running at up to 2.6 GHz. Notebookcheck lists Geekbench 6.7 scores of 1,050 single-core and 2,939 multi-core for an 8 GB version of that phone; these are results for a particular device configuration, not guaranteed scores for every phone using the chip.
Dimensity 7400-Ultra specifications
Xiaomi identifies the Dimensity 7400-Ultra as the processor in the REDMI Note 15 Pro 5G. Its UK product specifications describe a TSMC 4 nm process and an octa-core, high-efficiency architecture with big cores clocked up to 2.6 GHz. Xiaomi’s India page also confirms the chipset association and 4 nm process. Regional phone specifications can differ, so check the page for the market where the handset is sold.
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- Chipset: MediaTek Dimensity 7400-Ultra, as specified for the REDMI Note 15 Pro 5G by Xiaomi UK.
- Manufacturing process: TSMC 4 nm, according to Xiaomi’s UK specifications and India specifications.
- CPU description: Octa-core architecture; big cores up to 2.6 GHz, according to Xiaomi UK.
The consulted MediaTek Dimensity 7400 product page is for the Dimensity 7400 family, not a separate Ultra specification sheet. It does not independently confirm every specification of the Ultra variant, so family-level information should not be treated as a complete Ultra spec list.
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Geekbench 6.7 benchmark results
Notebookcheck’s Dimensity 7400-Ultra benchmark listing associates these Geekbench 6.7 scores with a Xiaomi Redmi Note 15 Pro 5G configuration equipped with 8 GB of RAM:
#1 Best Overall
Ulefone Armor 29 Pro Thermal, 5G AI Rugged Phone, 32GB+512GB/2TB, MTK Dimensity 7400, 6.67" AMLOED Dual Screen, 64MP+50MP+50MP Real Camera, 21200mAh/120W, 1000LM LED Light, Widevine L1, Android 15
- 【Global 5G Network】Cutting-edge 5G technology supports dual SIM dual standby, bringing a more convenient, intelligent and efficient new life and work mode. (❌NOTE: Not compatible with AT&T or Cricket. ❗Armor 29 Pro Thermal weighs 688g(1.5lb), it will be heavier than other phones)
- 【Al-Powered Thermal Imaging】The advanced ThermoVue T2 chip delivers a 1.56x boost in thermal resolution. Enhanced by the SharpenAl algorithm,it offers an impressive 640x512 resolution, 25Hz high refresh rate and 17x sharper images with 2'C accuracy, upgraded Al automatic dual-spectrum fusion, making it ideal for detailed and small-scale thermal analysis.
- 【MediaTek Dimensity 7400 & AI Engine】Ulefone Armor 29 Pro is built on a 4nm process MTK Dimensity 7400. A huge lift in both CPU and GPU performance, enjoy uninterrupted streaming and gaming with its octa-core CPU that reaches clock speeds of up to 2.5GHz. MediaTek's next-generation NPU architecture incorporates a hardware-based generative AI engine, enhancing AI computations for speed and security.
- 【32GB+512GB/2TB & Android 15】Up to 32GB RAM (16GB RAM + 16GB Virtual RAM) + 512GB ROM + 2TB SD expansion, and Android 15. You will enjoy a smoother experience and eliminate storage anxiety.
- 【64MP Triple Main Camera + 50MP Front Camera】Ulefone Armor 29 Pro Thermal is equipped with a 50MP Main Rear Camera, a 50MP Ultra-wide and Macro Camera with 117.3° viewing angle, a 64MP Night Vision Camera, which is enhanced by Ulefone's NightElf 3.0 technology, upgraded to 4 infrared LEDs, significantly improved brightness and clarity, and 50MP-Class Selfie Camera, vlogs and video calls are elevated to a new level of clarity and detail.
| Benchmark | Listed result | Context |
|---|---|---|
| Geekbench 6.7 single-core | 1,050 points | Notebookcheck result for an 8 GB Redmi Note 15 Pro 5G; publication year not stated on the accessed page. |
| Geekbench 6.7 multi-core | 2,939 points | Notebookcheck result for an 8 GB Redmi Note 15 Pro 5G; publication year not stated on the accessed page. |
These numbers describe a listed handset and test configuration, not a fixed score every Dimensity 7400-Ultra phone will achieve. Cooling, firmware, memory, software version, device temperature, and the particular test run can affect results. The listing does not establish a controlled comparison against every competing phone or chipset, so it is not enough to declare an absolute performance ranking.
What MediaTek says about AI performance
MediaTek’s Dimensity 7400 product page describes the NPU 655 and makes family-level comparisons with the previous Dimensity generation. The figures below are vendor claims, not independent benchmark measurements and not confirmed Ultra-specific test results:
Rank #2
Ulefone Armor 29 Pro Thermal & Endoscope E03, Rugged Phone, 32GB+512GB/2TB, MTK Dimensity 7400, 6.67" AMLOD Dual Screen, 64MP+50MP+50MP Real Camera, 21200mAh/120W, 1000LM LED Light, Widevine L1
- 【Endoscope E03】The handle includes shortcut buttons to adjust the brightness of LEDs, capture photos, and record videos, with a phone holder on top, it is easy to operate the endoscope while simultaneously checking the screen, making it convenient for users to complete inspection tasks.
- 【Al-Powered Thermal Imaging】The advanced ThermoVue T2 chip delivers a 1.56x boost in thermal resolution. Enhanced by the SharpenAl algorithm,it offers an impressive 640x512 resolution, 25Hz high refresh rate and 17x sharper images with 2'C accuracy, upgraded Al automatic dual-spectrum fusion, making it ideal for detailed and small-scale thermal analysis.
- 【MediaTek Dimensity 7400 & AI Engine】Ulefone Armor 29 Pro is built on a 4nm process MTK Dimensity 7400. A huge lift in both CPU and GPU performance, enjoy uninterrupted streaming and gaming with its octa-core CPU that reaches clock speeds of up to 2.5GHz. MediaTek's next-generation NPU architecture incorporates a hardware-based generative AI engine, enhancing AI computations for speed and security.
- 【32GB+512GB/2TB & Android 15】Up to 32GB RAM (16GB RAM + 16GB Virtual RAM) + 512GB ROM + 2TB SD expansion, and Android 15. You will enjoy a smoother experience and eliminate storage anxiety.
- 【6.67" & 1.04" Dual AMOLED Display】Expansive 6.67" flexible AMOLED display technology, seamless 120Hz refresh rate. In ultra-bright mode, it can reach up to 900 nits, and peak at 2200 nits. A 1.04-inch Sub-Display, which enables touch interactions. 60Hz Refresh Rate, 500nits Max Brightness, 340 x 340 Pixels. you can be updated with a notification view, also can alter the interface, tailoring your watch's face.
- Up to 15% better NPU performance.
- Up to 94% faster AI-camera performance, measured in UNET Benchmark frames per second (FPS).
- Up to 63% better AI-camera power efficiency, measured in UNET Benchmark FPS per watt (FPS/W).
MediaTek does not state a publication date for these figures on the accessed product page. They should be read as the company’s stated comparisons for the Dimensity 7400 family, rather than as direct evidence of how the Ultra performs in a particular phone.
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Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to compare the Dimensity 7400-Ultra fairly
For a useful comparison with another processor or phone, make sure the results are genuinely comparable:
Rank #3
Ulefone Armor 29 Pro Thermal & Endoscope E02, Rugged Phone, 32GB+512GB/2TB, MTK Dimensity 7400, 6.67" AMLOD Dual Screen, 64MP+50MP+50MP Real Camera, 21200mAh/120W, 1000LM LED Light, Widevine L1
- 【Endoscope E02】Designed with 1 camera on the front and 1 camera onthe side, this endoscope assists you to view thingsfrom more directions or angles. Come with 7 adjustable LED lights around the camera so you can see clearly in dark with no worry. The light can be turned off.
- 【Al-Powered Thermal Imaging】The advanced ThermoVue T2 chip delivers a 1.56x boost in thermal resolution. Enhanced by the SharpenAl algorithm,it offers an impressive 640x512 resolution, 25Hz high refresh rate and 17x sharper images with 2'C accuracy, upgraded Al automatic dual-spectrum fusion, making it ideal for detailed and small-scale thermal analysis.
- 【MediaTek Dimensity 7400 & AI Engine】Ulefone Armor 29 Pro is built on a 4nm process MTK Dimensity 7400. A huge lift in both CPU and GPU performance, enjoy uninterrupted streaming and gaming with its octa-core CPU that reaches clock speeds of up to 2.5GHz. MediaTek's next-generation NPU architecture incorporates a hardware-based generative AI engine, enhancing AI computations for speed and security.
- 【32GB+512GB/2TB & Android 15】Up to 32GB RAM (16GB RAM + 16GB Virtual RAM) + 512GB ROM + 2TB SD expansion, and Android 15. You will enjoy a smoother experience and eliminate storage anxiety.
- 【6.67" & 1.04" Dual AMOLED Display】Expansive 6.67" flexible AMOLED display technology, seamless 120Hz refresh rate. In ultra-bright mode, it can reach up to 900 nits, and peak at 2200 nits. A 1.04-inch Sub-Display, which enables touch interactions. 60Hz Refresh Rate, 500nits Max Brightness, 340 x 340 Pixels. you can be updated with a notification view, also can alter the interface, tailoring your watch's face.
- Use the same benchmark version; scores from different Geekbench versions should not be treated as directly interchangeable.
- Compare similar phone configurations, including memory and cooling design, rather than attributing one handset’s result solely to its chipset.
- Look beyond short benchmark runs at sustained performance, power use, and thermal behavior.
- For gaming or graphics workloads, consult GPU and game results as well as CPU scores.
- Consider connectivity and supported features separately from benchmark performance.
The cited Geekbench entry provides a useful reference point for the 8 GB REDMI Note 15 Pro 5G, but the available results do not establish a definitive ranking against competing chips.
Quick Recap
Best Value
Ulefone Armor 29 Pro Thermal & Endoscope E01, Rugged Phone, 32GB+512GB/2TB, MTK Dimensity 7400, 6.67" AMLOD Dual Screen, 64MP+50MP+50MP Real Camera, 21200mAh/120W, 1000LM LED Light, Widevine L1
- 【Endoscope E01】The cable and the camera are IP67 waterproof, can support inspection of pipes, toilets and etc., but please do not stay in water for a long time. Come with 6 adjustable LED lights around the camera so you can see clearly in the dark with no worry. The light can be turned off.
- 【Al-Powered Thermal Imaging】The advanced ThermoVue T2 chip delivers a 1.56x boost in thermal resolution. Enhanced by the SharpenAl algorithm,it offers an impressive 640x512 resolution, 25Hz high refresh rate and 17x sharper images with 2'C accuracy, upgraded Al automatic dual-spectrum fusion, making it ideal for detailed and small-scale thermal analysis.
- 【MediaTek Dimensity 7400 & AI Engine】Ulefone Armor 29 Pro is built on a 4nm process MTK Dimensity 7400. A huge lift in both CPU and GPU performance, enjoy uninterrupted streaming and gaming with its octa-core CPU that reaches clock speeds of up to 2.5GHz. MediaTek's next-generation NPU architecture incorporates a hardware-based generative AI engine, enhancing AI computations for speed and security.
- 【32GB+512GB/2TB & Android 15】Up to 32GB RAM (16GB RAM + 16GB Virtual RAM) + 512GB ROM + 2TB SD expansion, and Android 15. You will enjoy a smoother experience and eliminate storage anxiety.
- 【6.67" & 1.04" Dual AMOLED Display】Expansive 6.67" flexible AMOLED display technology, seamless 120Hz refresh rate. In ultra-bright mode, it can reach up to 900 nits, and peak at 2200 nits. A 1.04-inch Sub-Display, which enables touch interactions. 60Hz Refresh Rate, 500nits Max Brightness, 340 x 340 Pixels. you can be updated with a notification view, also can alter the interface, tailoring your watch's face.
Rank #4
Ulefone Armor 29 Pro Thermal & Digital Microscope, Rugged Phone, 32GB+512GB/2TB, MTK Dimensity 7400, 6.67" AMLOD Dual Screen, 64MP+50MP+50MP Real Camera, 21200mAh/120W, 1000LM LED Light, Widevine L1
- 【Digital Microscope】Magnified up to 1000X, even better than most professional microscopes. Eyes of an ant or venation of leaves can be seen clearly under 1000X magnification. It is acamera with 1 million HD pixels! No matter fortaking photos or recording videos,it leaves you sharp works. Compared with other 0.3MP microscopes, this mini microscope meets the demand for more clear details.
- 【Al-Powered Thermal Imaging】The advanced ThermoVue T2 chip delivers a 1.56x boost in thermal resolution. Enhanced by the SharpenAl algorithm,it offers an impressive 640x512 resolution, 25Hz high refresh rate and 17x sharper images with 2'C accuracy, upgraded Al automatic dual-spectrum fusion, making it ideal for detailed and small-scale thermal analysis.
- 【MediaTek Dimensity 7400 & AI Engine】Ulefone Armor 29 Pro is built on a 4nm process MTK Dimensity 7400. A huge lift in both CPU and GPU performance, enjoy uninterrupted streaming and gaming with its octa-core CPU that reaches clock speeds of up to 2.5GHz. MediaTek's next-generation NPU architecture incorporates a hardware-based generative AI engine, enhancing AI computations for speed and security.
- 【32GB+512GB/2TB & Android 15】Up to 32GB RAM (16GB RAM + 16GB Virtual RAM) + 512GB ROM + 2TB SD expansion, and Android 15. You will enjoy a smoother experience and eliminate storage anxiety.
- 【6.67" & 1.04" Dual AMOLED Display】Expansive 6.67" flexible AMOLED display technology, seamless 120Hz refresh rate. In ultra-bright mode, it can reach up to 900 nits, and peak at 2200 nits. A 1.04-inch Sub-Display, which enables touch interactions. 60Hz Refresh Rate, 500nits Max Brightness, 340 x 340 Pixels. you can be updated with a notification view, also can alter the interface, tailoring your watch's face.
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