Samsung Galaxy Tab S12 Plus and S12 Ultra Leaked: Dimensity 9500 & Geekbench Scores

Finding an Android tablet that functions as a true desktop replacement without overheating or running out of juice mid-day can feel like a tall order. While Apple has long dominated the creative workstation segment with its M-series iPad Pros, Samsung continues to refine its flagship tablet lineup to prove that Android offers serious laptop-level multitasking.

That push is reaching a major milestone with Samsung’s next-generation tablet family. Following early appearances across international IMEI registration portals, public benchmark logs for the upcoming Samsung Galaxy Tab S12 Ultra have officially surfaced on Geekbench 6.

The benchmark listings reveal a major hardware architectural shift, confirming that Samsung is doubling down on MediaTek’s flagship 3nm silicon. Consequently, power users can look forward to a desktop-class workstation that pairs Android 17 with exceptional sustained processing speeds.

30-Second TL;DR

• Geekbench Benchmark Live: The Samsung Galaxy Tab S12 Ultra (model SM-X946B) has appeared on Geekbench 6, posting a single-core score of 2,424 and a multi-core score of 8,446.
• Dimensity 9500 Power Shift: The test log confirms MediaTek’s 3nm MT6993 platform featuring a 4.21GHz prime core, 12GB RAM, and factory Android 17 software.
• Plus & Ultra Lineup Spotted: Serial listings in IMEI databases verify that both the 12.4-inch Tab S12 Plus and 14.6-inch Tab S12 Ultra are progressing toward an official Q3 2026 debut.

Main News Details

The initial technical footprint of the Galaxy Tab S12 series emerged when model code SM-X946B appeared on the Geekbench 6 repository. This identifier aligns directly with Samsung’s Ultra tablet naming scheme, succeeding the Tab S11 Ultra (SM-X936B). Meanwhile, its mid-tier sibling-the Galaxy Tab S12 Plus-was spotted alongside it in regulatory IMEI filings.

Samsung Galaxy Tab S12 Ultra Geekbench System Architecture
 ├── Device Model Identifier ──> Samsung SM-X946B (Global 5G Variant)
 ├── System-on-Chip ──> MediaTek MT6993 (Dimensity 9500 3nm Process)
 ├── CPU Core Configuration ──> 1x Prime @ 4.21GHz + 3x Performance @ 3.50GHz + 4x Efficiency @ 2.70GHz
 ├── Geekbench 6 Benchmarks ──> 2,424 Single-Core / 8,446 Multi-Core
 ├── Tested Memory Allocation ──> 12GB LPDDR5X Physical RAM (Up to 16GB / 24GB Expected)
 ├── Battery Storage Cell ──> 11,600mAh Energy Cell + 45W Wired Charging
 └── Factory Software Layer ──> Android 17 with Samsung One UI 9

The benchmark record confirms that Samsung is opting for MediaTek’s flagship MT6993 processor, commercially known as the Dimensity 9500. Pushing a peak clock speed of 4.21GHz on its primary Cortex core, the tablet logged single-core scores of 2,424 and multi-core scores reaching 8,446.

In addition, the benchmark entry verifies that the test unit was running factory Android 17 paired with 12GB of physical RAM. Given Samsung’s commitment to flagship hardware, higher-tier models offering 16GB of RAM and expanded storage tiers are expected at launch.

“Adopting MediaTek’s 3nm Dimensity 9500 across its flagship tablet line proves that Samsung is prioritizing sustained thermal stability and multi-core efficiency over raw burst power.” – Personal Tech Analyst

Key Highlights

Detailed Explanation

3nm Dimensity 9500 Muscle & Geekbench Breakdown

Processing duties on the Galaxy Tab S12 Ultra are handled by MediaTek’s Dimensity 9500 platform. Built on TSMC’s advanced 3-nanometer semiconductor process node, this octa-core CPU utilizes an all-big-core design that eliminates lower-power small cores entirely.

Dimensity 9500 CPU Cluster Allocation
 ├── Prime Execution Core ──> 1x High-Frequency Cortex Core @ 4.21GHz
 ├── Sustained Workload Cluster ──> 3x Performance Cores @ 3.50GHz
 └── Efficiency Operations Cluster ──> 4x Efficiency Cores @ 2.70GHz

The Performance Perks: Pushing single-core scores to 2,424 and multi-core scores past 8,400 guarantees that complex workflows like 4K multi-stream video rendering, CAD drafting, and multi-window DeX desktop sessions run without stutters or sudden frame drops.

Furthermore, MediaTek’s 3nm architecture excels at sustained thermal management. That means the tablet can run intensive games or export large media files for hours without throttling its clock speeds down to basic levels.

Android 17 and One UI 9 Out of the Box

Software support is a major selling point for Samsung’s tablet lineup. The Geekbench listing explicitly confirms that test units are operating on factory Android 17.

Software Stack & Support Commitment
 ├── Base Android Version ──> Google Android 17 System Core
 ├── Desktop Interface Layer ──> Samsung One UI 9 Ecosystem
 └── Lifecycle Commitment ──> 7 Major OS Updates + 7 Years Security Patches

The Productivity Perk: Shipping with Android 17 and One UI 9 guarantees access to advanced window management, smoother drag-and-drop file transfers, and enhanced S Pen gesture controls straight out of the box.

In addition, Samsung’s promise of seven full years of operating system upgrades and security patches ensures this tablet remains secure and fully functional well into the 2030s.

A 14.6-Inch Dynamic AMOLED Canvas for Work & Play

While internal specs received a major upgrade, Samsung is retaining its successful display formula. The Galaxy Tab S12 Ultra features a giant 14.6-inch Dynamic AMOLED 2X panel offering a 120Hz refresh rate and HDR10+ certification.

Display Panel & S Pen Ergonomics
 ├── Screen Size & Form Factor ──> 14.6-Inch Extra-Large Workstation Panel
 ├── Panel Technology ──> Dynamic AMOLED 2X with Anti-Reflective Coating
 └── Digital Stylus Support ──> Bundled Active S Pen with Low Latency

The Visual Advantage: The expansive 14.6-inch display provides enough visual real estate to snap three full-sized productivity apps side by side, effectively replacing the need to carry a traditional laptop on business trips.

Meanwhile, the smaller Galaxy Tab S12 Plus offers a 12.4-inch AMOLED display, making it an ideal option for users who want flagship power in a more portable form factor.

11,600mAh Battery Power Built for Long Days

Powering a massive 14.6-inch AMOLED display requires serious battery capacity. To ensure mobile workers aren’t tied to wall outlets, the Galaxy Tab S12 Ultra houses a huge 11,600mAh energy cell.

Power Delivery & Charging Protocols
 ├── Battery Cell Capacity ──> 11,600mAh High-Density Battery
 ├── Maximum Input Speed ──> 45W Wired Fast Charging Support
 └── Efficiency Tuning ──> Smart Background App Suspension in One UI 9

All-Day Endurance: Thanks to the high efficiency of the 3nm Dimensity 9500 chip, an 11,600mAh battery cell provides enough power to get through long flights, consecutive video conference meetings, and extended movie streaming sessions without worry.

When recharging is required, 45W fast-charging support restores battery levels quickly.

Timeline

        January 2026                  July 2026                     August 3, 2026
────────────┬─────────────────────────────┬─────────────────────────────┬─────────────
            │                             │                             │
   Tab S12+ Spotted in            CAD Design Renders Leak       Geekbench 6 Listing Details
   IMEI Registration Database     Showing Slimmer Bezels        Dimensity 9500 & Android 17

• January 29, 2026: The Galaxy Tab S12+ made its first public appearance on the IMEI registration database, confirming early development.
• July 16, 2026: Early CAD design renders leaked online, revealing refined hole-punch display cutouts and ultra-thin bezels.
• August 3, 2026: The Galaxy Tab S12 Ultra (SM-X946B) surfaced on Geekbench 6, exposing its Dimensity 9500 processor and Android 17 operating system.

What is Confirmed

• Geekbench Benchmark Records: Verified single-core score of 2,424 and multi-core score of 8,446 for model SM-X946B.
• System Processor: Verified MediaTek MT6993 (Dimensity 9500) 3nm processor platform.
• Factory Operating System: Confirmed Android 17 software layer paired with Samsung One UI 9.
• Tested Memory: Verified 12GB physical LPDDR5X RAM on the tested benchmark unit.

What is Not Confirmed

• Official Retail MSRP: Pricing across the Tab S12 Plus and Tab S12 Ultra models remains unannounced by Samsung.
• Top Storage & RAM Tiers: Whether Samsung will introduce a top-tier 24GB RAM variant with 2TB storage remains unconfirmed.
• Exact Unpacked Launch Date: Samsung corporate channels have not yet published the official event date for its Q3 keynote.

Why This News Matters

The appearance of the Samsung Galaxy Tab S12 Ultra on Geekbench highlights a major evolution in high-end Android hardware. By switching to MediaTek’s 3nm Dimensity 9500 silicon across its premier tablet family, Samsung is proving that multi-core efficiency, sustained thermal management, and lower power consumption take priority over short burst speeds.

Furthermore, pairing desktop-class performance with factory Android 17 and seven full years of guaranteed OS updates gives creative professionals a future-proof mobile workstation.

What Happens Next

With Geekbench tests and IMEI listings public, final regulatory clearances from the FCC, Safety Korea, and BIS portals will likely follow soon. Samsung is expected to formally unveil the Galaxy Tab S12 series during its annual late-summer Galaxy Unpacked keynote, with retail sales opening shortly after.

Conclusion

The leak of the Samsung Galaxy Tab S12 Ultra and Tab S12 Plus specifications paints an exciting picture for tablet enthusiasts. Featuring a 3nm Dimensity 9500 processor, an 8,446 multi-core score, a brilliant 14.6-inch Dynamic AMOLED screen, and factory Android 17 with long-term update support, these flagship tablets are well-equipped to redefine mobile productivity.

Source: Information compiled from Geekbench 6 database entries first discovered by Gadgets 360, CAD render disclosures via @OnLeaks, and detailed reporting on Notebookcheck and Beebom.