Google Pixel 9a vs Samsung Galaxy S24 Ultra | TechTalkTown
Google Pixel 9a vs Samsung Galaxy S24 Ultra
Google Pixel 9a
Google
8.6
Best $500 phone you can buy
Samsung Galaxy S24 Ultra
Samsung
8.6
The Ultra that aged best
Google Pixel 9a
What Reviewers Agree On
5,100 mAh battery is the largest in any Pixel ever and delivers 'crazy' battery life — 12h+ in lab tests, comfortable two-day use under light usage, 7-8h screen-on time common in reviews.
$499 retail (often $349-$399 on sale) makes it Wirecutter and Linus Tech Tips' top pick for 'best $500 phone you can buy' — and at $300 sale prices it's an outright steal.
7 years of Android OS and security updates through 2032 — same flagship-tier policy Google gives the Pixel 9 Pro XL on a $500 phone.
Same Tensor G4 chip as the flagship Pixel 9 — runs all Gemini AI features, Magic Editor, Circle to Search, and Pixel-exclusive software with no day-to-day performance gap.
48MP main camera with Pixel image processing punches well above the price tier — daytime photos rival flagship phones and have the 'classic Pixel HDR look.'
Pros & Cons
Google Pixel 9a
Pros
5,100 mAh battery is the largest in any Pixel ever and delivers 'crazy' battery life — 12h+ in lab tests, comfortable two-day use under light usage, 7-8h screen-on time common in reviews.
$499 retail (often $349-$399 on sale) makes it Wirecutter and Linus Tech Tips' top pick for 'best $500 phone you can buy' — and at $300 sale prices it's an outright steal.
7 years of Android OS and security updates through 2032 — same flagship-tier policy Google gives the Pixel 9 Pro XL on a $500 phone.
Same Tensor G4 chip as the flagship Pixel 9 — runs all Gemini AI features, Magic Editor, Circle to Search, and Pixel-exclusive software with no day-to-day performance gap.
Detailed Comparison
Design & Build
Google Pixel 9a
The Pixel 9a's flat-design break from the iconic camera bar polarized reviewers but most warmed up to it — the result is a phone that sits flat on a desk, has the biggest battery space available, and a clean minimalist aesthetic. Plastic back, Gorilla Glass 3 (older spec), and aluminum frame at just 186g make it feel premium for $499 despite the cheaper materials.
Flat design with no camera bump 'reminds me of the Pixel 5 in the best way' — Android Authority reviewer praises the design pivot away from the visor camera bar.
Plastic back, Gorilla Glass 3 display, aluminum frame at just 186g — 'I love the matte finish of the frame, the lightweight feel in the hand' per Linus Tech Tips long-term review.
Missing the iconic camera bar 'does away with perhaps the most unique thing about the Pixel series' — BGR argues the flat design loses Pixel's visual identity.
IP68 dust and water resistance — full ingress protection at this $499 price tier matches the flagship Pixel 9 series.
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Bright 6.3-inch OLED at 2,700 nits peak (100 nits brighter than the Samsung S25 Ultra) with 120Hz adaptive refresh and IP68 dust + water protection.
Deal Breakers
Only 8GB RAM (vs 12GB on Pixel 9, 16GB on Pixel 9 Pro) — Pixel Screenshots app, callotes, and some Gemini Nano features unavailable on the 9a as a result.
23W wired charging is slow — full charge takes ~1h 41m, vs 50W+ on midrange Xiaomi/OnePlus competitors; 7.5W Qi wireless is also slow and non-Qi2.
Plastic back + Gorilla Glass 3 screen — older glass spec, P-OLED display has some 'mura' or grain visibility per SuperSaf, and the back is plastic vs glass on the Pixel 9.
Optical under-display fingerprint sensor is slower and less reliable than ultrasonic — reviewers consistently flag it as the build's weakest UX point.
Android 16 stable update launched with screen-brightness bugs, lock-button lag, and auto-rotate failures — most fixed in subsequent updates but a rough first month.
Samsung Galaxy S24 Ultra
What Reviewers Agree On
The flat 6.8-inch QHD+ Dynamic AMOLED 2X with 2,600-nit peak (measured ~2,400 nits at 20% window) is one of the best, most usable outdoor displays ever put on a phone.
The 200MP main plus 5x periscope and 3x telephoto is a genuinely versatile, top-tier camera system, with excellent portraits and zoom flexibility.
The built-in S Pen remains a unique productivity advantage no other mainstream flagship matches.
Seven years of OS updates (announced first with the S24 series) is the longest support on Android and the single biggest reason it still holds up in 2026.
Snapdragon 8 Gen 3 for Galaxy with 12GB RAM is still fast and stutter-free two years later, comfortably handling heavy gaming.
Gorilla Armor glass is exceptionally scratch resistant — multiple long-term owners report micro-scratch-free screens after 1–2 years.
It holds its value and is now a standout used/refurbished buy at roughly half its launch price.
Deal Breakers
The $1,300 launch price was the highest ever for an Ultra and a recurring complaint at retail.
Galaxy AI features are hit-or-miss and, by reviewers' own admission, not used as often as expected day to day.
Samsung's camera image processing still trails the Pixel for moving subjects and natural rendering, per both reviewers and Reddit owners.
48MP main camera with Pixel image processing punches well above the price tier — daytime photos rival flagship phones and have the 'classic Pixel HDR look.'
Bright 6.3-inch OLED at 2,700 nits peak (100 nits brighter than the Samsung S25 Ultra) with 120Hz adaptive refresh and IP68 dust + water protection.
Cons
Only 8GB RAM (vs 12GB on Pixel 9, 16GB on Pixel 9 Pro) — Pixel Screenshots app, callotes, and some Gemini Nano features unavailable on the 9a as a result.
23W wired charging is slow — full charge takes ~1h 41m, vs 50W+ on midrange Xiaomi/OnePlus competitors; 7.5W Qi wireless is also slow and non-Qi2.
Plastic back + Gorilla Glass 3 screen — older glass spec, P-OLED display has some 'mura' or grain visibility per SuperSaf, and the back is plastic vs glass on the Pixel 9.
Optical under-display fingerprint sensor is slower and less reliable than ultrasonic — reviewers consistently flag it as the build's weakest UX point.
Android 16 stable update launched with screen-brightness bugs, lock-button lag, and auto-rotate failures — most fixed in subsequent updates but a rough first month.
Samsung Galaxy S24 Ultra
Pros
The flat 6.8-inch QHD+ Dynamic AMOLED 2X with 2,600-nit peak (measured ~2,400 nits at 20% window) is one of the best, most usable outdoor displays ever put on a phone.
The 200MP main plus 5x periscope and 3x telephoto is a genuinely versatile, top-tier camera system, with excellent portraits and zoom flexibility.
The built-in S Pen remains a unique productivity advantage no other mainstream flagship matches.
Seven years of OS updates (announced first with the S24 series) is the longest support on Android and the single biggest reason it still holds up in 2026.
Snapdragon 8 Gen 3 for Galaxy with 12GB RAM is still fast and stutter-free two years later, comfortably handling heavy gaming.
Gorilla Armor glass is exceptionally scratch resistant — multiple long-term owners report micro-scratch-free screens after 1–2 years.
It holds its value and is now a standout used/refurbished buy at roughly half its launch price.
Cons
The $1,300 launch price was the highest ever for an Ultra and a recurring complaint at retail.
Galaxy AI features are hit-or-miss and, by reviewers' own admission, not used as often as expected day to day.
Samsung's camera image processing still trails the Pixel for moving subjects and natural rendering, per both reviewers and Reddit owners.
Bright 'Peony' fuchsia-pink color option 'looks anything but cheap' — Android Authority highlights the color choices as a strength of the otherwise minimalist design.
JerryRigEverything durability test: 'Despite the plastic back, Gorilla Glass 3 display, and simplified design, the Google Pixel 9a performed admirably in JerryRigEverything's brutal durability test.'
Battery repair 'do not buy' warning: 'Unlike many modern phones, Apple iPhones included, the Google Pixel 9a doesn't feature adhesive strips with built-in pull tabs that make the battery easier to remove.'
Samsung Galaxy S24 Ultra
Samsung swapped the S23 Ultra's curved screen for a flat one and added a titanium frame. Reviewers welcomed the flat display but noted the titanium brings little weight saving, and the iPhone-like flat sides drew comparisons.
The display is now completely flat corner to corner, a change reviewers broadly preferred over the S23 Ultra's curve.
Going to a flat display was 'the best move forward,' even though it was initially polarising.
The titanium frame brings little of the weight saving Apple achieved on the iPhone 15 Pro — it stays heavy.
It uses grade-2 titanium, so it is not quite as premium-feeling as the iPhone 15 Pro Max.
The flat sides and flat screen look very iPhone-like all the way around.
IP68 dust and water resistance and a fast USB 3.x port remain, and the build still feels fantastic after two years of caseless use.
Display
Google Pixel 9a
A 6.3-inch P-OLED with 2,700 nits peak brightness (100 nits brighter than the Samsung S25 Ultra), 120Hz adaptive refresh, 1080p resolution, and Gorilla Glass 3 protection. Reviewers love the brightness in sunlight and the dynamic refresh between 60 and 120 Hz, but some flag a visible 'mura' or grain pattern on the panel and slightly chunky bezels for the price tier.
6.3-inch 1080p P-OLED, 120Hz adaptive (switches between 60 and 120 Hz), 2,700 nits peak brightness with excellent visibility in sunlight per Tech Chap review.
2,700 nits peak is '100 nits brighter than the S26 Ultra, which also costs around $1,000 more' — per Linus Tech Tips, a remarkable spec parity at flagship prices.
P-OLED 'mura' pattern issue: 'once you see the mural or the grains on the display itself, you can't really unsee it' — SuperSaf flags panel uniformity issues.
Off-axis viewing angles significantly improved over the Pixel 8a per Dave2D — addressed a key complaint from the prior generation.
Hole-punch cutout is 'overly large' compared to flagships — Tech Chap notes the punch hole is bigger than Samsung S25's, producing a less clean look.
Samsung Galaxy S24 Ultra
Universally praised. The 6.8-inch QHD+ LTPO AMOLED hits 2,600 nits peak with a new anti-reflective Gorilla Armor finish that makes it exceptional in bright sunlight.
The display is so easy to use outside in bright light that the reviewer wants every other manufacturer to copy it.
Peak brightness is rated 2,600 nits, up from 1,750 nits on the S23 Ultra — a big real-world jump for outdoor use.
Measured brightness reached ~2,408 nits on a 20% white window versus ~2,235 nits on the iPhone 15 Pro — a measurable win.
It is a Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2,600 nits peak panel at QHD+ resolution.
Two years later the 6.8-inch QHD+ AMOLED 'has aged like fine wine' with no screen burn-in and still buttery 120Hz.
Cameras
Google Pixel 9a
48MP main camera (f/1.7, OIS, smaller sensor than Pixel 9 but bigger than Pixel 8a's 64MP) + 13MP ultrawide. Pixel image processing produces 'classic Pixel HDR look' that reviewers consistently rate the best camera in the under-$500 price bracket. Macro mode, Add Me, Night Sight, and Magic Editor all included; video capped at 4K 60fps rear / 4K 30fps front and ultrawide.
48MP main camera 'is, without a shadow of a doubt, the best camera on a phone in its price category' per The News Minute long-term review.
Main sensor is smaller than Pixel 9 — 'a substantially smaller sensor than the one on the Pixel 9, but this compromise is what has allowed Google to make the camera bump so tiny' per Tech Chap.
Macro mode now built into the main camera as a Pixel 8a upgrade — newly added at the 9a price tier.
Add Me feature included from flagship Pixel 9 — combines two photos into a group shot via AI overlay.
Ultrawide camera is 'pretty weak and something that has been an issue on previous Pixel A cameras' per Dave2D — secondary lens still trails the flagship Pixels.
Video output capped: rear records 4K 30/60fps, front camera limited to 4K 30fps. Ultrawide only does 4K 30fps. iPhone 14 supports 4K 60fps from front and ultrawide at this price tier.
Samsung Galaxy S24 Ultra
A 200MP main, 12MP ultrawide, 10MP 3x telephoto and new 50MP 5x periscope (replacing the old 10MP 10x). Reviewers rate it among the best, with standout zoom and portraits, but image processing remains the polarising point.
The camera system is 'one of the best in the game' and comes with a fantastic portrait mode.
One of the best all-around camera packages out there after months of shooting, including an excellent and often-overlooked selfie camera.
The new 50MP 5x periscope fixes the S23 Ultra's weak 5–10x range; 5x portraits look really good and edge detection is among the best.
Main camera is a 200MP f/1.7 (HP2) with a 50MP f/3.4 5x periscope, 10MP 3x tele and 12MP ultrawide.
The Pixel 8 Pro's ultrawide is preferred for sharper detail and more natural white balance than the S24 series ultrawide.
Battery & Charging
Google Pixel 9a
5,100 mAh battery is the largest in any Pixel ever — bigger than the $1,299 Galaxy S25 Ultra's. Tom's Guide measured 13h 8m web surfing on a single charge; reviewers consistently report 7-8 hours of screen-on time and comfortable two-day light usage. Charging is the obvious weak point: 23W wired (full charge in ~1h 41m) and 7.5W Qi wireless are slow vs midrange competitors hitting 50W+.
5,100 mAh battery 'exceeds even that of the premium $1,299 Samsung Galaxy S25 Ultra' — per MacRumors, the largest battery ever in a Pixel.
Tom's Guide measured 13h 8m on single charge — 'a significant jump from the Pixel 8a, which topped out at 11 hours and 21 minutes.'
Active use score 12h 30m in lab tests — 'solid active use score' per Tom's Guide review; comfortable two-day life under light use.
Real-world: 'continues to give me between 8 and 10 hours, sometimes a little bit more, of screen-on time' per long-term Linus Tech Tips review.
23W wired charging is slow — 'a full charge took an hour and 41 minutes' per Tom's Guide; way behind midrange OnePlus 100W or Xiaomi 50W charging.
7.5W Qi wireless charging is slow and non-Qi2 — no Pixelsnap, no magnetic accessories; takes 2-3 hours to fully charge wirelessly.
Battery Health Assistant kicks in at 200 charge cycles to gradually reduce max voltage — 'designed to extend battery lifespan' per Google but reviewers report 'slight charging-speed drops' afterward.
Samsung Galaxy S24 Ultra
5,000mAh with 45W wired and 15W wireless. All-day battery is consistent praise; charging speed versus Chinese rivals is the recurring criticism, and there is a noted One UI update battery-drain bug.
In a head-to-head battery test it lasted 12h31m, over an hour longer than the iPhone 16 Pro Max's 11h22m.
5,000mAh battery with 45W wired (65% in 30 min), 15W wireless and 4.5W reverse wireless.
Charging is on par with Apple and Google but 'leagues behind rivals out of China' that charge far faster.
After two years, moderate use still delivers a full day with 25–30% left by bedtime; light use can stretch toward two days.
Measured battery health was 93% after two years (one heavy year, one moderate), per Samsung's hidden diagnostics.
