CPU
Raw processor work on one core, then on all of them.
- C1Math
- C2JSON & XML
- C3Compression & crypto
- C4Multi-core
Phone benchmark · thermal throttling test
Every phone is fast for a minute.
ThermoHammer scores the whole device across six sections, then keeps the load on until it throttles. You see exactly when that happens, and how much speed is left.
Free · no account · no ads · see the leaderboard
Throughput ribbon
real runs from the leaderboard
motorola edge 60
Android 16
- Held
- 95.1% of full speed
- Peak
- 4.42 GIPS
- Second half
- 4.20 GIPS
- Test
- 5 min every core
iPad Pro 11-inch (4th generation)
iOS 27.0.1
- Held
- 80.9% of full speed
- Peak
- 2.77 GIPS
- Second half
- 2.24 GIPS
- Test
- 5 min every core
iPhone 11 Pro
iOS 18.7.2
- Held
- 55.7% of full speed
- Peak
- 0.48 GIPS
- Second half
- 0.27 GIPS
- Test
- 5 min every core
- Devices tested
- 44
- Verified runs
- 88
- Tests in one benchmark
- 25
- Head-to-head pages
- 829
01The benchmark
Six sections. One score you can read.
Every test is scored against the same reference: a Snapdragon 8 Elite phone, as it ships, is 6,000 points per section. Twice the points means about twice the measured speed. Add the six up and you have the total.
Memory
How fast data moves: in RAM, on storage, and through a database.
- M1RAM
- M2Storage
- M3Database
GPU
Three real-time 3D scenes, rendered off the leash.
- G1Lake Valley
- G2Neon City
- G3Neon City RT
Everyday UX
The things you actually do all day, measured instead of guessed.
- U1Web browsing
- U2Web scrolling
- U3Photo gallery
- U4Photo editing
- U5Video playback
- U6Video export
- U7QR scanning
AI
Six open models, each on the CPU, the GPU and the NPU.
- A1Image classification
- A2Object detection
- A3Street segmentation
- A4Super resolution
- A5Depth estimation
- A6Sound recognition
LLM
A language model running on the device itself.
- L1LLM on the CPU
- L2LLM on the GPU
02The stress test
Then it keeps hammering.
Most benchmarks stop before the heat arrives. Pick 5, 15 or 30 minutes, and ThermoHammer cools the device down, measures what it can do at full speed, then holds full load and records the throughput the whole way.
You get one number, stability: the share of its full speed the device actually delivered. And you get the curve behind it, with the moment each thermal warning appeared.
- CPU, GPU or both together on Android; every core or a single thread
- Thermal X-Ray: a live map of what the device reports, from CPU clocks to battery
- Throughput measured in GIPS, billions of instructions per second
Same test, two phones5 min · every core
03Why the numbers hold up
Scored where nobody can tune for it.
Signed, then scored on the server
The app sends its raw measurements with a signature. Points are calculated on our server, so a modified app can't hand itself a better score.
Only clean runs count
Started cool, unplugged, no power saving, nothing else busy. A run that misses any of those stays on your device and off the board.
One row per device
The board shows each model's best verified run and how many runs stand behind it. Open any row for every number of every test.
04Live leaderboard
Where devices stand today.
Phones and PCs on one scale. Data last changed .
Benchmark · total scoreFull board
Stress test · speed heldFull board
Head to headbest verified runs
HONOR 600 Pro49,080
Vivo X300 Pro (Satellite Edition)40,322
05Compare
Settle it with numbers.
Put any two devices side by side: total, six sections, every single test, and how each one holds up under load. Every comparison has its own link, made to be sent.
06The apps
An instrument, not a brochure.
The same tests and the same scoring on Android and iPhone, with Windows PCs on the same board.
07Questions
Asked often.
Is ThermoHammer free?
Yes. It is free on Google Play and the App Store, with no account and no ads.
Is a stress test safe for my phone?
Yes. The test runs ordinary calculations and rendering at full load, the kind of work a long game or a video export does. The operating system stays in charge of every temperature limit; ThermoHammer only measures what the device does to protect itself. It will get warm, which is the point, and you can stop at any time.
What does the score mean?
Each of the six sections is scored against one reference: a Snapdragon 8 Elite phone, as it ships, gets 6,000 points per section and 36,000 in total. A section score of 12,000 means about twice that phone's measured speed in that section. The total is the six sections added up.
What is stability?
The share of its full speed a device delivers over a sustained, full-load run. 95% means it barely slowed down. 50% means half of the speed was gone.
What is GIPS?
Giga-instructions per second: billions of instructions the processor completes each second. It is the unit of the stress test's throughput curve.
Why isn't my result on the leaderboard?
Only verified runs are listed: the device started cool, was unplugged, was not in a power-saving mode and had nothing else keeping it busy. A run that cannot be sent is saved on the device so you can submit it later. The board shows each device's best verified run.
Which devices does it run on?
Android phones and tablets (Android 7 and later) and iPhone and iPad (iOS 16 and later) run the same tests and share one leaderboard. Windows PCs appear on the same board, labelled Windows; the Windows app is on its way to the Microsoft Store.
What data does it send?
No name, no email, no account. Submitting a result sends the measurements, the device model, its chip and its OS version to the leaderboard, and that is what you see on this site.
Why does my phone score differently from the same model on the board?
Power mode, temperature, an OS update or a busy background can each move a score, sometimes a lot. The board keeps the best verified run per model; in the app, Phone Health compares your runs with other units of the same model and with your own earlier runs.
Find out what yours does after the first minute.
Free on Google Play and the App Store. Run it, submit a clean run, and your device joins the board.