Head to head
Ilford HP5+ vs CineStill BwXX
Two fast black and white negatives that end up doing the same jobs: street, documentary, whatever light you happen to have. The split is in where they come from. HP5+ was built as still film, panchromatic, box speed 400, and Ilford has sold it that way for decades. BwXX is a different animal. It's Eastman Double-X, the 5222 cine stock that's run through movie cameras for sixty-odd years, spooled into 35mm cans and rated 250 by CineStill. That difference in origin drives everything downstream. Grain. Tone. What you hand over at the counter.
How they differ
Shoot a roll of BwXX and the cinema in it is obvious. Softer microcontrast, a grain that sits up and shows texture, the exact emulsion behind decades of feature film. HP5+ goes the other way. Cleaner, more neutral than you'd expect at 400, with finer-looking grain and a long lazy highlight shoulder that quietly saves you when your meter reading was really a guess. Push them and both deliver, but not the same way. I've run HP5+ to 1600 and even 3200, contrast climbs, detail holds. Double-X at 800 or 1600 turns gritty in a way a lot of shooters chase on purpose, mine included.
Then there's the boring stuff that actually decides things. HP5+ is everywhere, costs less, comes in 35mm, 120, and sheets, and every dev chart on earth lists it. BwXX is 35mm. No 120, a couple bucks more a roll, and it'll vanish from your shop for a stretch now and then. Standard chemistry develops either one. Double-X carries thinner anti-halation than most films, which is exactly why the bright spots glow. The 400 versus 250 gap? Two-thirds of a stop. You'll barely feel it.
Choose Ilford HP5+
Get HP5+ if you want the one roll that never lets you down. You can buy it anywhere, load it in 120 or sheet film when 35mm isn't enough, and dig up a dev time in about four seconds flat. Cheaper, too. It's the kinder film when you meter by feel, and it stays clean at box speed. Living up at 1600 and 3200, or still learning and wanting latitude that covers your mistakes? This is the roll.
Full Ilford HP5+ guide →Choose CineStill BwXX
Reach for BwXX when the look is the whole reason you loaded the camera. That cine grain and the slightly old roll-off come straight from shooting actual movie stock, and nothing else fakes it cleanly. It sings for 35mm street and portraits where the rendering is doing half the work for you. Push it to 800 and it picks up real character. The few extra dollars and the 35mm-only catch earn their keep if you're chasing a mood.
Full CineStill BwXX guide →The verdict
Close call, and it lands on taste plus what's in your wallet. HP5+ flexes anywhere, costs less, and does every job competently. BwXX gives up that range and a couple dollars for a cinema texture you can't really counterfeit. Want a roll for anything, grab HP5+. Want that specific grit, BwXX has earned it.