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The MediaTek Helio G91 is the stronger choice for processing and graphics performance based on its CPU and GPU designs and the paired benchmark results available here. The Helio G36 has a higher stated peak CPU clock—2.2GHz versus 2GHz—but uses eight Cortex-A53 cores, while the G91 combines two Cortex-A75 cores with six Cortex-A55 cores. Both are 4G platforms and support displays up to 90Hz; the actual phone determines how those capabilities are implemented.
Helio G91 vs Helio G36 at a glance
| Specification | Helio G91 | Helio G36 |
|---|---|---|
| CPU | Octa-core: two Arm Cortex-A75 and six Cortex-A55 cores; maximum 2GHz | Octa-core Arm Cortex-A53; maximum 2.2GHz |
| GPU | Arm Mali-G52 MC2; maximum 1GHz | IMG PowerVR GE8320; maximum 680MHz |
| Memory | LPDDR4X, up to 8GB; maximum listed frequency 1800MHz | LPDDR4X, up to 8GB; maximum listed frequency 1600MHz |
| Storage | eMMC 5.1 | eMMC 5.1 |
| Display support | Up to 2520 × 1080 at 90Hz | Up to 2400 × 1080 at 90Hz |
| Camera platform support | Up to 64MP or dual 16MP configurations | Up to 50MP, 25MP at 30fps, or dual 13MP configurations |
| Connectivity | 4G, Wi-Fi 5, Bluetooth 5.0 | 4G, Wi-Fi 5, Bluetooth 5.0 |
These are MediaTek platform specifications for the Helio G91 and Helio G36. They describe capabilities a phone maker can use, not a promise that every G91- or G36-powered phone includes the maximum memory, resolution, camera configuration, or refresh rate.
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Which chipset is faster?
The G91 is the better-supported pick for speed in this comparison. Its CPU includes Cortex-A75 performance cores alongside Cortex-A55 cores, while the G36 has eight Cortex-A53 cores. The G36’s 2.2GHz peak is higher than the G91’s 2GHz, but clock frequency alone does not establish which processor will perform better: core design and the workload also matter.
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#1 Best Overall
- 【MediaTek Helio G91 & Android 16 & 12GB + 128GB】2.0GHz 8-core CPU and powerhouse 12nm chipset, 6GB RAM (up to 6GB of virtual RAM) allows multiple memory-hungry apps to run snappily at the same time. 128GB of internal storage as well as TF card expansion supported 2TB. Paired with Android 16 for a seamless and lag-free experience.
- 【48MP+20MP+2MP+16MP Camera】Capture every moment with the Ulefone Armor X31's 48MP main camera and 2MP Macro camera. The 20MP night vision camera ensures you can navigate and capture in low-light conditions. The 16MP front camera enhances your selfies, and the underwater mode allows you to take photos and videos underwater, even when swimming or diving.
- 【6.56" HD+ 90Hz Display with Corning Gorilla Glass】The Armor X31 features a 6.56-inch HD+ display with a 720 x 1612 resolution, 90Hz refresh rate for smooth visuals. The display's 800 nits brightness ensures visibility under bright sunlight, while Corning Gorilla Glass provides exceptional durability against daily wear and tear, making it a robust choice for outdoor enthusiasts.
- 【6050mAh Battery + 18W Fast Charging】Packed with a robust 6050mAh battery, the Armor X31 offers an impressive 336 hours of standby time, 34 hours of talk time, and 25 hours of music playback. Charge quickly with 18W fast charging and use the reverse charging feature to power up other devices, turning your phone into a portable power bank.
- 【IP68/IP69K Waterproof, Shockproof, Dustproof】Designed for durability, the Ulefone Armor X31 is IP68/IP69K certified, allowing it to withstand being submerged up to 2 meters deep for 30 minutes. It's shockproof, enduring drops from up to 2 meters, and dustproof, safeguarding against dust, dirt, and sand.
What the benchmark comparisons show
Two publishers report higher scores for the G91 in their paired comparisons. Keep each publisher’s results together: the absolute scores differ, and the figures are not results from a controlled test of identical phones.
| Benchmark | NanoReview: G91 | NanoReview: G36 | 91mobiles: G91 | 91mobiles: G36 |
|---|---|---|---|---|
| AnTuTu | 354,158 (AnTuTu 11; 15 reported samples) | 193,858 (AnTuTu 11; 9 reported samples) | 265,150 (version not stated) | 158,812 (version not stated) |
| Geekbench 6 single-core | 405 (fewer than 3 reported samples) | 189 (3 reported samples) | 412 | 190 |
| Geekbench 6 multi-core | 1,407 (fewer than 3 reported samples) | 781 (3 reported samples) | 1,448 | 840 |
NanoReview’s comparison identifies sample counts for its results; its Geekbench samples are especially small. 91mobiles’ G91 benchmark page and G36 benchmark page report scores from devices running the respective chips. The pages do not establish a clear publication year for those test figures; both outlets’ figures were accessed in 2026.
Rank #2
- 【Armor Case】With anti-shock absorbent TPU corners and rigid plastic body, the protective case provides additional protection from drop, scratch and shock for your Ulefone Armor X31 Series.
- 【MediaTek Helio G91 & Android 14 & 12GB + 128GB】2.0GHz 8-core CPU and powerhouse 12nm chipset, 6GB RAM (up to 6GB of virtual RAM) allows multiple memory-hungry apps to run snappily at the same time. 128GB of internal storage as well as TF card expansion supported 2TB. Paired with Android 14 for a seamless and lag-free experience.(🧡Not compatible with AT&T or Cricket)
- 【48MP+20MP+2MP+16MP Camera】Capture every moment with the Ulefone Armor X31's 48MP main camera and 2MP Macro camera. The 25MP night vision camera ensures you can navigate and capture in low light conditions. The 16MP front camera enhances your selfies, and the underwater mode allows you to take photos and videos underwater, even when swimming or diving.
- 【6.56" FHD+ 90Hz Display with Corning Gorilla Glass】The Armor X31 features a 6.56-inch HD+ display with a 720 x 1612 resolution, 90Hz refresh rate for smooth visuals. The display's 800nits brightness ensures visibility under bright sunlight, while Corning Gorilla Glass provides exceptional durability against daily wear and tear, making it a robust choice for outdoor enthusiasts.
- 【6050mAh Battery + 18W Fast Charging】Packed with a robust 6050mAh battery, the Armor X31 offers an impressive 336 hours of standby time, 34 hours of talk time, and 25 hours of music playback. Charge quickly with 18W fast charging and use the reverse charging feature to power up other devices, turning your phone into a portable power bank.
Use the scores as comparative evidence, not as a forecast for every phone. Benchmark version, handset, cooling, memory, and test conditions can change results. Compare the G91 and G36 numbers from the same publisher and benchmark rather than averaging figures across publishers or treating one score as universal.
What the specifications mean for everyday use
Apps and general responsiveness
The G91’s mixed Cortex-A75/Cortex-A55 design and stronger paired benchmark results make it the more capable platform on the evidence available. Actual responsiveness still depends on the complete phone, including its RAM, storage, software, and background workload.
Rank #3
- 【Mount AM02】Thanks to the safety lock, the phone always stay in put even in high-speed driving. The double socket arm base is featured with a special theft-resistant screw. Once the screw is tightened, the bracket can not be disassembled while the angle can be adjusted by loosening the knob only.
- 【MediaTek Helio G91 & Android 14 & 12GB + 128GB】2.0GHz 8-core CPU and powerhouse 12nm chipset, 6GB RAM (up to 6GB of virtual RAM) allows multiple memory-hungry apps to run snappily at the same time. 128GB of internal storage as well as TF card expansion supported 2TB. Paired with Android 14 for a seamless and lag-free experience.(🧡Not compatible with AT&T or Cricket)
- 【48MP+20MP+2MP+16MP Camera】Capture every moment with the Ulefone Armor X31's 48MP main camera and 2MP Macro camera. The 25MP night vision camera ensures you can navigate and capture in low light conditions. The 16MP front camera enhances your selfies, and the underwater mode allows you to take photos and videos underwater, even when swimming or diving.
- 【6.56" FHD+ 90Hz Display with Corning Gorilla Glass】The Armor X31 features a 6.56-inch HD+ display with a 720 x 1612 resolution, 90Hz refresh rate for smooth visuals. The display's 800nits brightness ensures visibility under bright sunlight, while Corning Gorilla Glass provides exceptional durability against daily wear and tear, making it a robust choice for outdoor enthusiasts.
- 【6050mAh Battery + 18W Fast Charging】Packed with a robust 6050mAh battery, the Armor X31 offers an impressive 336 hours of standby time, 34 hours of talk time, and 25 hours of music playback. Charge quickly with 18W fast charging and use the reverse charging feature to power up other devices, turning your phone into a portable power bank.
Games and graphics
The G91’s listed GPU and benchmark advantage point toward better graphics capability, but chipset names alone cannot tell you how smoothly a specific game will run. Check reviews or measurements for the exact handset and game if gaming performance is a priority.
Screen, camera, and connectivity
Both chips support refresh rates up to 90Hz and 4G connectivity. The G91 platform lists a higher maximum display resolution and camera configurations up to 64MP, while the G36 lists up to 50MP. Those maximums are not the phone’s actual screen or camera specification, and camera megapixels do not establish image quality. Check the manufacturer’s specification for the precise phone model and regional variant.
Rank #4
- 【Molle Holster】Provides superior protection against abrasion and drops, ensuring your device remains safe and secure. With the molle webbing and clips, it is easy to be attached to any your molle compatible tactical vest, backpack, belt, shoulder strap, and other equipment.
- 【MediaTek Helio G91 & Android 14 & 12GB + 128GB】2.0GHz 8-core CPU and powerhouse 12nm chipset, 6GB RAM (up to 6GB of virtual RAM) allows multiple memory-hungry apps to run snappily at the same time. 128GB of internal storage as well as TF card expansion supported 2TB. Paired with Android 14 for a seamless and lag-free experience.(🧡Not compatible with AT&T or Cricket)
- 【48MP+20MP+2MP+16MP Camera】Capture every moment with the Ulefone Armor X31's 48MP main camera and 2MP Macro camera. The 25MP night vision camera ensures you can navigate and capture in low light conditions. The 16MP front camera enhances your selfies, and the underwater mode allows you to take photos and videos underwater, even when swimming or diving.
- 【6.56" FHD+ 90Hz Display with Corning Gorilla Glass】The Armor X31 features a 6.56-inch HD+ display with a 720 x 1612 resolution, 90Hz refresh rate for smooth visuals. The display's 800nits brightness ensures visibility under bright sunlight, while Corning Gorilla Glass provides exceptional durability against daily wear and tear, making it a robust choice for outdoor enthusiasts.
- 【6050mAh Battery + 18W Fast Charging】Packed with a robust 6050mAh battery, the Armor X31 offers an impressive 336 hours of standby time, 34 hours of talk time, and 25 hours of music playback. Charge quickly with 18W fast charging and use the reverse charging feature to power up other devices, turning your phone into a portable power bank.
Which phone should you choose?
If the phones are otherwise comparable and performance is your priority, choose the G91-powered model. If you are choosing between actual handsets, the chipset comparison is only one part of the decision. Compare the exact model and regional variant, RAM and storage, display, camera hardware, battery, software support, and price.
For example, NanoReview lists the Xiaomi Redmi 13 4G among G91-powered devices, while 91mobiles lists the POCO C61 as a G36-powered handset. These examples do not mean every variant has identical specifications, nor do chipset benchmark results predict either phone’s exact scores. Confirm the specifications of the version sold in your market.
Sources and scope
MediaTek’s product pages establish platform support; the independent benchmark pages provide paired results with differing scores and limited samples. The comparison is between chipset platforms, not a side-by-side controlled test of retail phones, so it cannot settle phone-level performance, current pricing, availability, or overall value.
Quick Recap
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