System Information
View your device's hardware information detected by your browser.
How to Use This Test
- Open this page on the device you want to check -- the test runs automatically
- Review the detected hardware details including CPU cores, GPU renderer, and memory
- Check your screen resolution, color depth, and browser information
What This Test Checks
The system info test uses browser APIs to detect and display key hardware and software details about your device. It provides a quick overview without installing any software.
- CPU information -- logical processor count and platform architecture
- GPU renderer -- graphics card details via the WebGL API, plus WebGL 2 and WebGPU support flags
- Memory -- approximate system RAM reported by the Device Memory API
- Storage -- browser storage quota and current usage via the Storage API
- Display properties -- screen resolution, pixel ratio, and color depth
- Input -- touch support and maximum simultaneous touch points
- Network -- effective connection type, downlink Mbps, round-trip time, and Save-Data preference
- Locale -- preferred language(s), timezone, and cookie status
- Codec support -- H.264, HEVC, VP9, AV1, AAC, and Opus playback capability
- Browser and OS -- user agent and platform details
Troubleshooting
If you're having issues with the system info test:
- Enable JavaScript if your browser has it disabled -- the test requires it to function
- Try Chrome or Edge for the most complete hardware detection, as some browsers limit API access
- Disable privacy extensions temporarily if they block WebGL or Device Memory APIs
- If GPU info shows as unknown, check that hardware acceleration is enabled in your browser settings
How to Find Your IMEI, Serial Number, and Phone Number
The Device Identity card above shows what your browser will tell us about your device. Identifiers like IMEI, ICCID, and phone number are never accessible from a web page — both iOS and modern Android explicitly block them, by design, to prevent tracking. To find them, use the steps below for your device.
iPhone / iPad (iOS, iPadOS)
- IMEI / MEID: Settings → General → About. Scroll to IMEI (and IMEI2 if you have eSIM). On iPhones with a physical SIM tray, the IMEI is also etched on the tray; on eSIM-only models (iPhone 14+ in the US) it's printed in the SIM slot area or on the original box.
- Serial Number: Settings → General → About → Serial Number. Tap and hold to copy.
- Phone Number: Settings → Phone → My Number. If blank, the carrier hasn't provisioned it on the SIM — check your carrier app or a recent bill.
- Dialer shortcut: open the Phone app and dial
*#06#— the IMEI appears immediately, no call placed.
Android (Pixel, Samsung, OnePlus, Xiaomi, etc.)
- IMEI: Settings → About phone → IMEI (Samsung calls it Status information → IMEI information). Dual-SIM and eSIM phones list IMEI1 and IMEI2 separately.
- Serial Number: Settings → About phone → Model & hardware or Status → Serial number.
- Phone Number: Settings → About phone → SIM status → My phone number. If empty, open your carrier's app or send yourself a text from another phone.
- Dialer shortcut: open the Phone app and dial
*#06#— works on virtually every Android device.
Windows 10 / 11 (laptop or desktop)
- Serial Number: open Command Prompt and run
wmic bios get serialnumber, or in PowerShell runGet-CimInstance Win32_BIOS | Select-Object SerialNumber. The serial is also printed on a sticker under the laptop or behind the battery. - Service Tag / Asset Tag (Dell, HP, Lenovo): same commands above; vendor utilities like Dell Command Update or HP Support Assistant display it directly.
- Mobile broadband IMEI (laptops with a built-in WWAN modem): Settings → Network & internet → Cellular → Cellular settings → Properties.
Mac (macOS)
- Serial Number: Apple menu → About This Mac. Click More Info on Ventura+ to copy. Also etched on the underside of the laptop or the back of the iMac/Mac mini.
- Hardware UUID / Model Identifier: same About This Mac panel → System Report.
- Apple Silicon (M-series) Macs: serial reads as 10 alphanumerics; older Intel Macs use a 12-character serial. Apple's Check Coverage page validates it and shows warranty status.
Lost or stolen — what these numbers are for
- IMEI identifies the cellular modem hardware. Carriers can block a stolen IMEI from any network worldwide via the GSMA blacklist — file a police report and provide the IMEI to your carrier.
- Serial number proves ownership for warranty claims and is required by Apple/Samsung Find-My recovery flows.
- Phone number isn't tied to the device — your carrier can port it to a replacement SIM in minutes.
Related Deeper Checks
This page gives a snapshot. For focused diagnostics, run the GPU test to force-unmask the renderer, the battery test to check health, the internet speed test for network, and the screen test for display capabilities.
What Are My PC Specs? Reading Your Results
If you landed here asking "what are my specs?", this page answers it without a download or a registry dig. Open it on the machine you want to check and the readings populate automatically. Here is how to translate each card into the spec sheet people actually quote:
- CPU — the core count shown is your logical processor count, not physical cores. Most modern CPUs run two threads per core (Intel Hyper-Threading, AMD SMT), so a 6-core chip typically reports
12. A reading of 8, 12, or 16 is normal for a mainstream laptop or desktop. The browser may report a slightly lower number than your full thread count, so treat it as a floor, not an exact spec. - GPU — the renderer string names your graphics adapter via WebGL. On a laptop with switchable graphics you may see the integrated GPU (Intel Iris, AMD Radeon Graphics, Apple M-series) rather than a discrete card, because the browser usually runs on the power-saving GPU. For the full unmasked renderer, run the GPU test.
- RAM — this is a coarse, privacy-bucketed figure (see the next section). It confirms you have at least a certain amount, not the exact installed total.
- Display — resolution times pixel ratio gives the effective sharpness. A 2560×1440 panel reporting a pixel ratio of 1 is running native; a Retina or HiDPI screen reports a higher ratio. The screen test and refresh-rate test dig deeper.
- OS & browser — the platform, OS version, and architecture (for example
x86-64vsarm64) tell you whether you are on a 64-bit or Apple-Silicon machine, which matters when checking software compatibility.
Want to confirm a used PC matches its listing before you commit? Cross-check these readings against the seller's description, then run the focused diagnostics in our used-laptop test guide.
Why the Browser Shows Only ~8 GB RAM (and Hides Your Model)
A browser cannot read everything a native app can, and that is by design. We would rather explain the limits honestly than display a number we cannot stand behind:
- RAM is capped at 8 GB. The Device Memory API only ever returns one of
0.25,0.5,1,2,4, or8GB, rounded down to the nearest bucket and capped at 8. A machine with 16, 32, or 64 GB all report8. There is no web API anywhere that can read the true installed total above 8 GB — if a site claims to, it is guessing. To see your real RAM, check Task Manager → Performance → Memory on Windows, or the Apple menu → About This Mac on macOS. - Your exact model is often masked. Desktop browsers, iOS Safari, and Firefox return an empty device-model string to prevent fingerprinting. The model field is only populated on Android Chromium browsers. This is a privacy feature, not a bug.
- The GPU renderer may be generalized. Some browsers report a generic name or block the renderer extension entirely. Firefox is the most aggressive here.
These caps exist so that a website cannot combine your exact RAM, model, and GPU into a unique fingerprint that tracks you across the web. The trade-off is that browser-based spec checks give you a confident floor ("at least 8 GB, at least 12 threads") rather than an exact inventory. For warranty or resale, read your serial and model from the device itself using the steps further up this page.
Can My PC Run This Game? A Quick Spec Check
Before buying a game or upgrading, you can sanity-check your machine against its requirements right here — no download, no account. Match the readings on this page to the game's published minimum and recommended specs:
- CPU threads — compare your logical core count to the listed processor. Most modern titles want a 4-core / 8-thread chip at minimum; a reading of 8 or higher clears that bar comfortably.
- GPU — this is usually the deciding factor. Note your renderer here, then look it up against the game's required card. If the page shows an integrated GPU and the game wants a discrete one, that is your bottleneck. Run the GPU test to confirm WebGL 2 / WebGPU support and the exact adapter.
- RAM — if this page reports
8, you have at least 8 GB, which meets the minimum for most current games. Many recommended specs ask for 16 GB; verify the true total in Task Manager or About This Mac since the browser cannot read above 8. - OS & architecture — confirm your OS version and that you are on 64-bit (
x86-64orarm64). A handful of older titles will not run on Apple Silicon without a translation layer.
For the smoothness side of the equation, your monitor matters too: a fast panel is wasted if the refresh rate is set low. Confirm it with the refresh-rate test, and check your connection for online play with the internet speed test.
Frequently Asked Questions
Why can't the test detect my exact CPU or GPU model?
Browsers intentionally limit the hardware details exposed through JavaScript for privacy and security reasons. The test can detect general capabilities like core count and GPU renderer, but exact model names may be hidden or generalized depending on your browser and OS settings.
Why does my RAM show 8 GB when my device has more?
The browser's Device Memory API reports a coarse value and is capped at 8 GB — it only ever returns 0.25, 0.5, 1, 2, 4, or 8 GB. This cap exists to prevent fingerprinting. So a phone or laptop with 12 or 16 GB of RAM correctly shows "8 GB or more" here. No web API can read the true installed amount above 8 GB; only a native app can.
Does this test install anything on my device?
No. This system info test runs entirely in your web browser using standard JavaScript APIs. It does not install software, download executables, or require any special permissions. All detection happens client-side and no data is sent to any server.
Why does GPU information show as 'unknown' or 'blocked'?
Some browsers block the WebGL renderer info extension by default to prevent device fingerprinting. Firefox, in particular, may hide this information. You can try enabling hardware acceleration in your browser settings or testing in Chrome for more detailed GPU information.
Can this page show my IMEI or phone number?
No website can read your IMEI, ICCID, or phone number — both iOS and modern Android block those identifiers from any browser, by design, for privacy. The Device Identity card shows what the browser does expose (model, OS, architecture). To find your IMEI, dial *#06# on your phone or check Settings; the section above lists the exact paths for iOS, Android, Windows, and macOS.
Why does the Model field say 'Not exposed'?
The Model field comes from the User-Agent Client Hints API and is only populated on Android Chromium browsers. iOS Safari, desktop browsers, and Firefox return an empty model string for fingerprinting protection. The OS, OS version, architecture, and bitness fields are still available on most modern Chromium browsers.
How do I check my PC specs without downloading software?
Just open this page on the PC you want to check and the readings appear automatically. It uses standard browser APIs to show your CPU thread count, GPU renderer, approximate RAM, display resolution, OS, and architecture, with nothing to install and no account. For figures the browser deliberately caps, such as exact RAM above 8 GB, open Task Manager on Windows or the Apple menu then About This Mac on macOS to see the true installed amount.
The page says I have 8 GB of RAM but I installed 16 GB. Is something wrong with my computer?
No, your computer is fine. The browser's Device Memory API rounds down to a fixed set of buckets and is capped at 8 GB on purpose, to stop websites from fingerprinting you. So 16 GB, 32 GB, and 64 GB machines all report 8 here. No web page can read the real total above 8 GB. To confirm your actual RAM, check Task Manager then Performance then Memory on Windows, or the Apple menu then About This Mac on a Mac.
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