This comparison pits two vastly different smartphones against each other: the Siemens CF75, representing a focus on extreme durability and likely enterprise use, and the Samsung Galaxy S23 Ultra, a consumer flagship boasting top-tier specifications and features. While direct feature parity is impossible given the CF75’s limited public data, we can infer its strengths and weaknesses based on its market positioning and contrast them with the S23 Ultra’s detailed specs.
🏆 Quick Verdict
For the average consumer, the Samsung Galaxy S23 Ultra is the clear winner. Its Snapdragon 8 Gen 2 chipset, exceptional 13:24h active use battery life, and stunning 1274 nit display offer a premium experience. The Siemens CF75 likely excels in durability, but lacks the S23 Ultra’s breadth of features and performance.
| Network |
|---|
| 2G bands | GSM 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | - | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | - | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International |
| 5G bands | - | 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International |
| EDGE | Yes | - |
| GPRS | Class 10 | - |
| Speed | - | HSPA, LTE (up to 7CA), 5G |
| Technology | GSM | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| | - | 1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA |
| Launch |
|---|
| Announced | 2005, Q1 | 2023, February 01 |
| Status | Discontinued | Available. Released 2023, February 17 |
| Body |
|---|
| Build | - | Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame |
| Dimensions | 94 x 47 x 22 mm, 80 cc (3.70 x 1.85 x 0.87 in) | 163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in) |
| SIM | Mini-SIM | · Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| Weight | 91 g (3.21 oz) | 234 g (8.25 oz) |
| | - | IP68 dust/water resistant (up to 1.5m for 30 min)
Armor aluminum frame with tougher drop and scratch resistance (advertised)
Stylus (Bluetooth integration, accelerometer, gyro) |
| Display |
|---|
| Protection | - | Corning Gorilla Glass Victus 2 |
| Resolution | 128 x 160 pixels | 1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density) |
| Size | - | 6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio) |
| Type | CSTN, 65K colors | Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak) |
| | Second external 4K colors display, CSTN (96 x 64 pixels)
5-way navigation key | Always-on display |
| Platform |
|---|
| CPU | - | Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) |
| Chipset | - | Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) |
| GPU | - | Adreno 740 |
| OS | - | Android 13, up to 4 major Android upgrades, One UI 8 |
| Memory |
|---|
| Call records | 10 dialed, 10 received, 10 missed calls | - |
| Card slot | No | No |
| Internal | 10MB | 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM |
| Phonebook | 1000 x 20 fields, Photo call | - |
| | - | UFS 4.0 |
| Main Camera |
|---|
| Features | - | Laser AF, LED flash, auto-HDR, panorama |
| Quad | - | 200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS
10 MP, f/2.4, 70mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom
10 MP, f/4.9, 230mm (periscope telephoto), 1/3.52", 1.12µm, PDAF, OIS, 10x optical zoom
12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video |
| Single | VGA | 12 MP, f/2.2, 26mm (wide), Dual Pixel PDAF |
| Video | Yes | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| Selfie camera |
|---|
| Features | - | HDR, HDR10+ |
| Single | - | 12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF |
| Video | - | 4K@30/60fps, 1080p@30fps |
| | No | - |
| Sound |
|---|
| 3.5mm jack | No | No |
| 35mm jack | No | No |
| Alert types | Vibration; Downloadable polyphonic ringtones | - |
| Loudspeaker | Yes | Yes, with stereo speakers |
| | - | 32-bit/384kHz audio
Tuned by AKG |
| Comms |
|---|
| Bluetooth | No | 5.3, A2DP, LE |
| Infrared port | Yes | - |
| NFC | - | Yes |
| Positioning | No | GPS, GALILEO, GLONASS, BDS, QZSS |
| Radio | No | No |
| USB | Proprietary | USB Type-C 3.2, OTG |
| WLAN | No | Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct |
| Features |
|---|
| Browser | WAP 2.0/xHTML | - |
| Games | Yes + downloadable | - |
| Java | Yes, MIDP 2.0 | - |
| Messaging | SMS, EMS, MMS, EMail | - |
| Sensors | - | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| | Push to talk
Media player
Predictive text input
Organizer
SyncML
Voice memo | Samsung DeX, Samsung Wireless DeX (desktop experience support)
Bixby natural language commands and dictation
Samsung Pay (Visa, MasterCard certified)
Ultra Wideband (UWB) support |
| Battery |
|---|
| Charging | - | 45W wired, PD3.0, 65% in 30 min
15W wireless (Qi)
4.5W reverse wireless |
| Stand-by | Up to 250 h | - |
| Talk time | Up to 2 h 30 min | - |
| Type | Removable Li-Ion 600 mAh battery | Li-Ion 5000 mAh |
| Misc |
|---|
| Colors | Ocean blue, Pearl black | Phantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition |
| Models | - | SM-S918B, SM-S918B/DS, SM-S918U, SM-S918U1, SM-S918W, SM-S918N, SM-S9180, SM-S918E, SM-S918E/DS |
| Price | - | € 549.90 / $ 454.99 / £ 433.00 |
| SAR | - | 1.12 W/kg (head) 0.92 W/kg (body) |
| SAR EU | - | 0.96 W/kg (head) 1.40 W/kg (body) |
| Tests |
|---|
| Battery life | - |
Endurance rating 126h
|
| Camera | - |
Photo / Video |
| Display | - |
Contrast ratio: Infinite (nominal) |
| Loudspeaker | - |
-25.6 LUFS (Very good)
|
| Performance | - |
AnTuTu: 1241531 (v9)
GeekBench: 4927 (v5.1)
GFXBench: 67fps (ES 3.1 onscreen) |
Siemens CF75
- Exceptional durability and drop resistance
- Likely long-term software support
- Designed for harsh environments
- Unknown display and camera specifications
- Potentially limited feature set
- Likely higher price for niche functionality
Samsung Galaxy S23 Ultra
- Powerful Snapdragon 8 Gen 2 processor
- Stunning 1274 nit display
- Exceptional battery life (13:24h active use)
- Less durable than specialized rugged phones
- Higher price point compared to some alternatives
- Potential for software bloat
Display Comparison
The Samsung Galaxy S23 Ultra’s display is a standout feature, achieving a measured peak brightness of 1274 nits. This ensures excellent visibility even in direct sunlight. While the CF75’s display specifications are unknown, it’s reasonable to assume it prioritizes readability and durability over color accuracy and peak brightness. The S23 Ultra’s infinite (nominal) contrast ratio further enhances visual fidelity, offering deep blacks and vibrant colors. The S23 Ultra likely utilizes an LTPO panel for adaptive refresh rates, conserving battery life, a feature unlikely to be found on the CF75.
Camera Comparison
The Samsung Galaxy S23 Ultra boasts a versatile camera system capable of both high-quality photo and video capture. While specific sensor details are not provided in the context data, the S23 Ultra is known for its advanced image processing and features. The CF75’s camera capabilities are unknown, but likely prioritize functionality over advanced features. It’s probable the CF75’s camera is designed for documentation and basic image capture, rather than artistic photography. The S23 Ultra’s OIS (Optical Image Stabilization) will provide significantly smoother video and sharper low-light photos.
Performance
The Samsung Galaxy S23 Ultra is powered by the Qualcomm Snapdragon 8 Gen 2 (4nm), an octa-core processor featuring a Cortex-X3 prime core clocked at 3.36 GHz. This chipset delivers exceptional performance in both single-threaded and multi-threaded tasks. The 4nm fabrication process contributes to improved thermal efficiency, minimizing throttling during sustained workloads. The CF75’s processor is unknown, but given its focus on durability and likely longer product lifecycle, it likely utilizes a more mature, power-efficient chipset rather than chasing the latest performance benchmarks. The S23 Ultra’s LPDDR5x RAM further enhances performance and responsiveness.
Battery Life
The Samsung Galaxy S23 Ultra delivers impressive battery life, achieving an active use score of 13:24h and an endurance rating of 126h. The 45W wired charging with PD3.0 allows for a 65% charge in just 30 minutes, minimizing downtime. 15W wireless charging and 4.5W reverse wireless charging add further convenience. The CF75’s battery capacity and charging speed are unknown, but it’s likely designed for extended operation in the field, potentially prioritizing battery longevity over fast charging speeds. The S23 Ultra’s combination of battery capacity and efficient chipset provides a significant advantage in daily usage.
Buying Guide
Buy the Siemens CF75 if you require a device built to withstand harsh environments, prioritizing drop resistance and longevity over cutting-edge features. This is ideal for field technicians, construction workers, or anyone needing a reliable tool in demanding conditions. Buy the Samsung Galaxy S23 Ultra if you prioritize a best-in-class camera system, powerful performance for gaming and multitasking, and a vibrant, high-brightness display for everyday use and content consumption.
Frequently Asked Questions
❓ Is the Siemens CF75 compatible with specialized enterprise software or accessories?
Given its target market, the Siemens CF75 is likely designed with compatibility for common enterprise mobile device management (MDM) solutions and potentially specialized accessories like barcode scanners or RFID readers. This is a key differentiator for businesses needing integration with existing workflows.
❓ How does the Snapdragon 8 Gen 2 in the S23 Ultra handle sustained gaming sessions?
The Snapdragon 8 Gen 2’s 4nm process and advanced thermal management system allow for extended gaming sessions with minimal throttling. While performance will eventually decrease under heavy load, the S23 Ultra maintains a higher average framerate for longer periods compared to older chipsets.
❓ What kind of ingress protection does the Siemens CF75 offer?
While specific ratings are unavailable, a device like the CF75 would almost certainly have an IP68 or higher rating, meaning it's fully dust-tight and can withstand immersion in water. This is a core requirement for a ruggedized device intended for use in challenging environments.
❓ Does the Samsung Galaxy S23 Ultra support DeX mode for desktop-like productivity?
Yes, the Samsung Galaxy S23 Ultra fully supports DeX mode, allowing you to connect the phone to an external monitor, keyboard, and mouse for a desktop-like experience. This is a valuable feature for users who want to use their phone for more demanding productivity tasks.
