Huawei P40 Pro vs Samsung Galaxy S21 Ultra 5G: Which Flagship Reigns Supreme?

Released in 2020, the Huawei P40 Pro remains a compelling option due to its aggressive pricing, while the Samsung Galaxy S21 Ultra 5G, launched in 2021, represents a more modern, feature-rich experience. This comparison dissects their key differences, focusing on performance, camera capabilities, and battery endurance to determine which device offers the best value in today’s market.
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🏆 Quick Verdict

For the average user prioritizing longevity and a more refined software experience, the Samsung Galaxy S21 Ultra 5G is the superior choice. Its significantly longer battery life (114h vs 94h) and brighter display (1023 nits) outweigh the P40 Pro’s lower price point, especially considering the ongoing software limitations on Huawei devices.

PHONES
Phone Names Huawei P40 Pro Samsung Galaxy S21 Ultra 5G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 17, 18, 19, 20, 26, 28, 32, 34, 38, 39, 40, 41 - ELS-NX91, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G998U1
5G bands1, 3, 28, 38, 41, 77, 78, 79 SA/NSA - ELS-NX92, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1
SpeedHSPA, LTE, 5GHSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 -1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B
Launch
Announced2020, March 262021, January 14
StatusAvailable. Released 2020, April 07Available. Released 2021, January 29
Body
BuildGlass front, glass back, aluminum frameGlass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
Dimensions158.2 x 72.6 x 9 mm (6.23 x 2.86 x 0.35 in)165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)
SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight209 g (7.37 oz)227 g (Sub6), 229 g (mmWave) (8.01 oz)
 -IP68 dust/water resistant (up to 1.5m for 30 min) Stylus support
Display
Protection-Corning Gorilla Glass Victus
Resolution1200 x 2640 pixels (~441 ppi density)1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
Size6.58 inches, 105.2 cm2 (~91.6% screen-to-body ratio)6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio)
TypeOLED, 90Hz, HDR10Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak)
 -Always-on display
Platform
CPUOcta-core (2x2.86 GHz Cortex-A76 & 2x2.36 GHz Cortex-A76 & 4x1.95 GHz Cortex-A55)Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China
ChipsetKirin 990 5G (7 nm+)Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
GPUMali-G76 MP16Mali-G78 MP14 - InternationalAdreno 660 - USA/China
OSAndroid 10, EMUI 12, no Google Play ServicesAndroid 11, up to 4 major Android upgrades, One UI 6.1
Memory
Card slotNano Memory (uses shared SIM slot)No
Internal128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
 -UFS 3.1
Main Camera
FeaturesLeica optics, color spectrum sensor, LED flash, panorama, HDRLaser AF, LED flash, auto-HDR, panorama
Quad-108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
Triple50 MP, f/1.9, 23mm (wide), 1/1.28", 1.22µm, dual pixel PDAF, OIS 12 MP, f/3.4, 125mm (periscope telephoto), PDAF, OIS, 5x optical zoom 40 MP, f/1.8, 18mm (ultrawide), 1/1.54", PDAF TOF 3D, (depth)-
Video4K@30/60fps, 1080p@30/60fps, 720@7680fps, 1080p@960fps, HDR; gyro-EIS8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Selfie camera
FeaturesHDRHDR
Single32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm, AF IR TOF 3D, (depth/biometrics sensor)40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF
Video4K@30/60fps, 1080p@30/60fps4K@30/60fps, 1080p@30fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes, with stereo speakers
 -32-bit/384kHz audio Tuned by AKG
Comms
Bluetooth5.1, A2DP, LE5.2, A2DP, LE
Infrared portYes-
NFCYesYes
PositioningGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavICGPS, GLONASS, BDS, GALILEO
RadioNoFM radio (Snapdragon model only; market/operator dependent)
USBUSB Type-C 3.1, OTGUSB Type-C 3.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Features
SensorsInfrared Face ID, fingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
 -Samsung DeX, Samsung Wireless DeX (desktop experience support) Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) Ultra Wideband (UWB) support
Battery
Charging40W wired 27W wireless 27W reverse wireless25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless
TypeLi-Po 4200 mAhLi-Ion 5000 mAh
Misc
ColorsSilver Frost, Blush Gold, Deep Sea Blue, Ice White, BlackPhantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
ModelsELS-NX9, ELS-N04, ELS-AN00, ELS-TN00SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980
Price€ 360.00 / £ 335.00$ 240.01 / C$ 353.20 / £ 202.99 / € 264.99
SAR-0.77 W/kg (head)     1.02 W/kg (body)
SAR EU-0.71 W/kg (head)     1.58 W/kg (body)
Pricing
128GB 12GB RAM-$ 384.99
256GB 12GB RAM-$ 998.00
256GB 8GB RAM$ 714.88-
512GB 12GB RAM-$ 1,179.99
RENEWED$ 680.00$ 459.00
Tests
Battery life Endurance rating 94h Endurance rating 114h
Camera Photo / Video Photo / Video
Display Contrast ratio: Infinite (nominal) Contrast ratio: Infinite (nominal)
Loudspeaker -27.5 LUFS (Good) -25.5 LUFS (Very good)
Performance AnTuTu: 496356 (v8) GeekBench: 12848 (v4.4), 3197 (v5.1) GFXBench: 31fps (ES 3.1 onscreen) AnTuTu: 657150 (v8) GeekBench: 3518 (v5.1) GFXBench: 33fps (ES 3.1 onscreen)

Huawei P40 Pro

  • More affordable price point
  • Fast 40W wired charging
  • Excellent camera performance for the price

  • Older chipset (Kirin 990)
  • Limited software support and ecosystem
  • Shorter battery life

Samsung Galaxy S21 Ultra 5G

  • Superior chipset (Exynos 2100/Snapdragon 888)
  • Brighter and more vibrant display
  • Longer battery life and efficient power management

  • Higher price tag
  • Slower wired charging (25W)
  • Larger and heavier design

Display Comparison

The Samsung Galaxy S21 Ultra 5G boasts a substantial advantage in display technology, achieving a measured peak brightness of 1023 nits compared to the P40 Pro’s ‘Infinite’ (nominal) contrast ratio. While both displays offer excellent contrast, the S21 Ultra’s higher brightness translates to better visibility in direct sunlight. Both devices share an infinite contrast ratio, but the S21 Ultra’s panel likely benefits from dynamic tone mapping for a more visually engaging experience. The S21 Ultra’s larger size and higher resolution also contribute to a sharper image.

Camera Comparison

Both phones excel in camera performance, but approach it differently. While both offer photo and video capabilities, the S21 Ultra’s larger sensor size and advanced image processing algorithms provide greater detail and dynamic range. The S21 Ultra’s versatility is also enhanced by its multiple lenses, including a telephoto lens with impressive zoom capabilities. The P40 Pro’s camera is still excellent, but the S21 Ultra’s superior hardware and software processing give it an edge in challenging lighting conditions and overall image quality. The P40 Pro's 2MP time-of-flight sensor is largely overshadowed by the S21 Ultra's more robust autofocus system.

Performance

The chipset battle pits Huawei’s Kirin 990 5G (7nm+) against Samsung’s Exynos 2100 (5nm) or Qualcomm Snapdragon 888 5G (5nm), depending on the region. The Exynos 2100 and Snapdragon 888, built on a smaller 5nm process, offer superior power efficiency and performance compared to the Kirin 990. The S21 Ultra’s CPU configuration, featuring a Cortex-X1 prime core, provides a noticeable boost in single-core performance. The S21 Ultra’s 12GB of RAM (compared to the P40 Pro’s 8GB) further enhances multitasking capabilities. While the Kirin 990 is still capable, the newer chipsets in the S21 Ultra deliver a smoother, more responsive experience, particularly in demanding applications and games.

Battery Life

The Samsung Galaxy S21 Ultra 5G delivers a significantly longer endurance rating of 114 hours compared to the Huawei P40 Pro’s 94 hours. This difference is attributable to the S21 Ultra’s larger battery capacity and the more efficient 5nm chipset. While the P40 Pro offers faster wired charging at 40W, the S21 Ultra’s 25W charging, coupled with its longer battery life, provides a more practical solution for all-day use. The P40 Pro’s 27W wireless and reverse wireless charging capabilities are also impressive, but the S21 Ultra’s 15W wireless charging is sufficient for most users.

Buying Guide

Buy the Huawei P40 Pro if you need a capable flagship camera system at a significantly lower price and are comfortable with the limitations of Huawei’s ecosystem and potential software updates. Buy the Samsung Galaxy S21 Ultra 5G if you prioritize a brighter, more vibrant display, longer battery life, a more versatile chipset (Snapdragon or Exynos), and a guaranteed, feature-rich software experience with consistent updates.

Frequently Asked Questions

❓ Does the Exynos 2100 chip in the S21 Ultra suffer from overheating during prolonged gaming sessions?
While the Exynos 2100 was initially criticized for thermal throttling, Samsung implemented software optimizations to mitigate this issue. The 5nm process and improved heat dissipation design in the S21 Ultra generally prevent significant overheating during typical gaming scenarios, though extended, demanding sessions may still result in some performance reduction.
❓ Is the 2MP macro camera on the Huawei P40 Pro actually useful for detailed close-up shots?
The 2MP macro camera on the P40 Pro is limited by its low resolution and lack of optical image stabilization. While it can capture close-up images, the resulting detail and clarity are often subpar compared to using the main camera with digital zoom. It's a feature that most users will likely find unnecessary.
❓ Can the Samsung Galaxy S21 Ultra 5G consistently maintain 60fps in demanding games like PUBG Mobile at maximum settings?
Yes, the S21 Ultra 5G, particularly the Snapdragon variant, can consistently maintain 60fps in PUBG Mobile at maximum settings. The powerful chipset and ample RAM ensure a smooth and responsive gaming experience. The Exynos variant may experience slight frame drops in particularly intense scenes, but overall performance remains excellent.
❓ What is the impact of the lack of Google Mobile Services (GMS) on the Huawei P40 Pro?
The absence of Google Mobile Services (GMS) on the P40 Pro means users cannot directly access popular Google apps like Gmail, YouTube, and Google Maps. Huawei’s AppGallery offers alternatives, but the selection is limited, and some apps may not function correctly or require workarounds.