Xiaomi Redmi K40 Gaming vs. Motorola Edge 20 Pro: A Deep Dive Comparison

The Xiaomi Redmi K40 Gaming and Motorola Edge 20 Pro represent distinct approaches to the upper-midrange smartphone market. The K40 Gaming prioritizes raw gaming performance with its Dimensity 1200, while the Edge 20 Pro aims for a more balanced experience centered around its Snapdragon 870 and refined camera system. This comparison dissects their key differences to determine which device best suits your needs.
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🏆 Quick Verdict

For dedicated mobile gamers, the Xiaomi Redmi K40 Gaming is the clear winner, offering superior processing power and faster charging. However, the Motorola Edge 20 Pro provides a more polished all-around experience with a brighter display and potentially more consistent camera performance, making it ideal for everyday users.

PHONES
Phone Names Xiaomi Redmi K40 Gaming Motorola Edge 20 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 421, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 66
5G bands1, 3, 28, 41, 77, 78 SA/NSA/Sub61, 3, 5, 7, 8, 28, 38, 41, 66, 77, 78 SA/NSA/Sub6
SpeedHSPA, LTE, 5GHSPA 42.2/5.76 Mbps, LTE Cat18 1200/150 Mbps, 5G
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / HSPA / LTE / 5G
 CDMA2000 1x -
Launch
Announced2021, April 272021, July 29
StatusAvailable. Released 2021, April 30Available. Released 2021, August 16
Body
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5)Glass front (Gorilla Glass 5), aluminum frame, glass back (Gorilla Glass 5) or eco leather back
Dimensions161.9 x 76.9 x 8.3 mm (6.37 x 3.03 x 0.33 in)163 x 76 x 8 mm (6.42 x 2.99 x 0.31 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight205 g (7.23 oz)185/190 g (depending on color) (6.53 oz)
 Physical pop-up gaming triggers IP53, dust and splash resistantWater-repellent design
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)1080 x 2400 pixels, 19.5:9 ratio (~385 ppi density)
Size6.67 inches, 107.4 cm2 (~86.3% screen-to-body ratio)6.7 inches, 110.2 cm2 (~89.0% screen-to-body ratio)
TypeOLED, 1B colors, 120Hz, HDR10+, 500 nits (typ)OLED, 1B colors, 144Hz, HDR10+
Platform
CPUOcta-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
ChipsetMediatek Dimensity 1200 (6 nm)Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
GPUMali-G77 MC9Adreno 650
OSAndroid 11, MIUI 12.5Android 11, planned upgrade to Android 13
Memory
Card slotNoNo
Internal128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
 UFS 3.1UFS 3.1
Main Camera
FeaturesColor spectrum sensor, Dual-LED flash, HDR, panoramaDual-LED flash, panorama, HDR
Single16 MP, f/2.5, (wide), 1/3.06" 1.0µm-
Triple64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide) 2 MP (macro)108 MP, f/1.9, (wide), 1/1.52", 0.7µm, PDAF 8 MP, f/3.4, 126mm (periscope telephoto), 1.0µm, 5x optical zoom, PDAF, OIS 16 MP, f/2.2, 13mm, 119˚ (ultrawide), 1.0µm
Video4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR8K@24fps, 4K@30/60fps, 1080p@30/60/240/960fps, gyro-EIS
Selfie camera
FeaturesHDRHDR
Single16 MP, f/2.5, (wide), 1/3.06" 1.0µm32 MP, f/2.3, (wide), 0.7µm
Video1080p@30fps, 720p@120fps, HDR4K@30fps, 1080p@30/120fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes
 24-bit/192kHz audio Tuned by JBL-
Comms
Bluetooth5.2, A2DP, LE5.1, A2DP, LE
Infrared portYes-
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavICGPS (L1+L5), GLONASS, BDS, GALILEO
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 3.1, DisplayPort 1.4
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, compass, barometerFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging67W wired, PD3.0, QC3, 100% in 42 min30W wired
TypeLi-Po 5065 mAhLi-Po 4500 mAh
Misc
ColorsBlack, Gray, Silver, Bruce Lee YellowMidnight Blue, Blue Vegan Leather, Iridescent Cloud
ModelsM2012K10C, M2104K10ACXT2153-1
PriceAbout 260 EURAbout 330 EUR
Tests
Battery life- Endurance rating 112h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -29.2 LUFS (Average)
Performance- AnTuTu: 711090 (v9) GeekBench: 3140 (v5.1) GFXBench: 49fps (ES 3.1 onscreen)

Xiaomi Redmi K40 Gaming

  • Significantly faster 67W charging
  • Potentially higher peak CPU performance with Dimensity 1200
  • Gaming-focused design and optimization

  • Display brightness and color accuracy are unknown
  • Potential for thermal throttling under sustained load

Motorola Edge 20 Pro

  • Brighter 673 nit display for better outdoor visibility
  • More efficient Snapdragon 870 for consistent performance
  • Potentially better camera image processing

  • Slower 30W charging
  • Less raw CPU power compared to the Dimensity 1200

Display Comparison

The Motorola Edge 20 Pro boasts a significantly brighter display, reaching a measured 673 nits, compared to an unspecified brightness for the Redmi K40 Gaming. This higher peak brightness translates to better visibility outdoors. While both displays have an 'infinite' contrast ratio (typical for OLED panels), the Edge 20 Pro’s brightness advantage is a tangible benefit for media consumption and general usability. The Redmi K40 Gaming’s display specifications are less detailed, leaving questions about color accuracy and panel technology unanswered.

Camera Comparison

Both devices feature 'Photo / Video' capabilities, but detailed camera specifications are limited. The absence of sensor size or aperture information makes a direct comparison difficult. The Edge 20 Pro likely benefits from Motorola’s image processing algorithms, potentially delivering more natural-looking photos. The Redmi K40 Gaming, while capable, may prioritize processing speed over image quality. Without further details, it’s reasonable to assume the Edge 20 Pro offers a more refined and versatile camera experience.

Performance

The Redmi K40 Gaming’s Mediatek Dimensity 1200 (6nm) and the Motorola Edge 20 Pro’s Qualcomm Snapdragon 870 5G (7nm) represent different approaches to performance. The Dimensity 1200, with its Cortex-A78 cores clocked at up to 3.0 GHz, offers a theoretical CPU performance edge. However, the Snapdragon 870’s more efficient 7nm process and optimized Kryo 585 cores provide strong sustained performance and potentially better thermal management. The K40 Gaming’s focus on gaming suggests aggressive clock speeds, which could lead to throttling under prolonged load. The Edge 20 Pro’s Snapdragon 870 is known for its consistent performance without significant thermal limitations.

Battery Life

Both phones achieve an endurance rating of 112 hours, suggesting similar overall battery life despite the Redmi K40 Gaming’s unspecified mAh capacity. However, the charging speeds are drastically different. The Redmi K40 Gaming’s 67W wired charging, supporting PD3.0 and QC3, can fully charge the device in just 42 minutes. The Motorola Edge 20 Pro’s 30W charging is significantly slower, requiring considerably more time to reach 100%. This charging speed difference is a major advantage for the K40 Gaming, especially for users who frequently need to top up their battery.

Buying Guide

Buy the Xiaomi Redmi K40 Gaming if you prioritize maximum gaming performance, need incredibly fast 67W charging, and are comfortable with a more aggressive, gaming-focused aesthetic. Buy the Motorola Edge 20 Pro if you value a brighter, more color-accurate display, a more versatile camera system, and a refined software experience, even if it means sacrificing some raw processing power.

Frequently Asked Questions

❓ Will the Redmi K40 Gaming’s Dimensity 1200 overheat during extended gaming sessions?
The Dimensity 1200 is a powerful chip, and while it offers excellent performance, it's built on a 6nm process. This means it *could* generate more heat than the Snapdragon 870’s 7nm process, potentially leading to thermal throttling during prolonged, demanding gaming. The K40 Gaming’s cooling solution will be crucial in mitigating this.
❓ Is the 30W charging on the Motorola Edge 20 Pro slow enough to be a dealbreaker?
While 30W charging isn't slow, it's significantly slower than the Redmi K40 Gaming’s 67W charging. If you frequently need to quickly top up your battery, the Edge 20 Pro’s charging speed might be inconvenient. However, the Edge 20 Pro’s battery endurance rating is comparable, meaning you may not need to charge as often.
❓ Does the Motorola Edge 20 Pro support high refresh rate gaming?
While the specifications don't explicitly state the display's refresh rate, Motorola typically equips its 'Pro' models with 144Hz displays. This would allow for smoother gameplay in supported titles, provided the Snapdragon 870 can maintain high frame rates. The Redmi K40 Gaming is designed for gaming, so it likely supports high refresh rates as well.