building next-generation GPUs focused on Path Tracing, HPC, and gaming. based in Sunnyvale CA 🇺🇸🇺🇸🇺🇸

Joined February 2023
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Bring your ideas to life with Zeus, a new type of GPU: - Expandable memory: 32/64/128 GB soldered 2x/4x SO-DIMM slots for up to 384 GB memory! - Massive improvements to path tracing performance! - 400 GbE QSFP-DD port! - Built-in high-performance RISC-V CPU cores capable of running Linux! - DevKits 2026, Mass Production 2027 And we used the good old 8-pin PCIe power connector that is known to not melt!
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Bolt Graphics retweeted
Here's your #HPC update for the week ending April 24: @Google launches TPU 8t and 8i; Google cranks the scaling bar with #Virgo network; and a new GPU from @boltgraphics promises lots of #FP64. @HPCwire
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Bolt Graphics retweeted
*We taped out our TSMC 12 nm test chip!!!* I’m really proud of the @boltgraphics team - we are announcing the successful tapeout of our TSMC 12 nm test chip, which includes key parts of the Zeus GPU we are building! We are on track to achieve our performance and efficiency targets, as well as our customer target to reduce TCO by up to 17x. We’ve been working with large enterprises, startups, research institutions, individual developers and end users for years now, and they’ve been providing positive feedback on our hardware and software! We aim to enter mass production in Q4 2027, right in time for the holidays! If you’re not already a part of this amazing journey, sign up on our website to get early access to Zeus or apply for a job! prnewswire.com/news-releases…
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Bolt Graphics retweeted
Yesterday at @playgroundsfest we shared Singularity in a pre-premiere screening. So cool to watch the film together with fellow artists! Official premiere and online release dates are coming soon. #b3d
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Bolt Graphics retweeted
🚀 A new way of thinking about GPUs takes the SIGGRAPH 2026 mainstage. Bolt Graphics presents “Building a GPU for the Future of Computer Graphics,” exploring a shift in how we approach path tracing and simulation. At the center is Zeus, a next-gen architecture designed for real-time path tracing, large-scale simulation, and compute-heavy workloads. Register now to join Darwesh Singh and see what this means for creators, researchers, and engineers: s2026.siggraph.org/program/k…
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We’re excited that we have not 1, but 2 team members sharing what we’ve been working on here at Bolt Graphics during BCON Austin next week! @darwesh_singh will be walking through how we designed our Zeus GPU for real-time path tracing and how it will work with Blender.
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@mcurt09 will be getting into the hairy details on the geo-nodes-based groom he created in #blender and seen on our very own Brad. See you in Austin! 🤠
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Bolt Graphics retweeted
Simulation is a super powerful R&D tool. Think about robotics: why break real robots when you can test via simulation? Iterate faster. Shift left. But for the average engineer, simulation is too slow and too expensive. It doesn't have to be that way though. Watching @boltgraphics here
We are solving this problem in our chip. We have made accurate electromagnetic simulations 300x faster. This is going to massively accelerate photonic chips design, optics, RF sensors/emitters, metamaterials, metastructures, and more
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Bolt Graphics retweeted
We’re hiring lots of graphics programmers, please apply at bolt.graphics/careers under the Software Engineer rec ! We offer competitive pay, WFH for remote, and 100% employer covered health benefits, and of course a strong unique mission to build next-generation GPUs for content creation and consumption @boltgraphics
guess who got laid off today! 🫠 i am genuinely so confused and bewildered like, i spent the past week debugging the rivalry system while recovering from pneumonia and just in the past few days i’ve had multiple directors tell me how much they appreciate everything i do
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Check out our latest demos at youtube.com/@BoltGraphicsInc as we build Zeus, Glowstick, and Apollo! Can confirm the PRICES WILL NOT BE CRAZY!
Interesting, I hope we see actual products soon, and i hope the prices are not crazy
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Bolt Graphics retweeted
Welcome @boltgraphics to the Blender Foundation’s Development Fund as a Corporate Patron! This will enable general Blender development, with the goal of continuously improving content creation tools that will benefit the entire community. fund.blender.org #b3d #DevFund
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We've joined the @Blender Development Fund as a Corporate Patron! Francesco, COO at Blender said: "Bolt Graphics’ vision of open source tools being a key component of the content creation landscape is strongly aligned with Blender. We are grateful for this support, which enables core development activities that will benefit the entire community." Darwesh, Founder and CEO at Bolt said: "It’s important to us that everyone has access to high quality content creation tools no matter their budget. Our team uses Blender everyday to benchmark our technology and create art. I grew up using Blender myself when I had no money to give back, so being able to support Blender at the Patron level now is a dream come true!" blender.org/press/bolt-graph…
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We're Hiring! Come work with a band of rebels working furiously to change the world! We are looking for the best: - Hardware Engineers ($90-$500k) - Software Engineers ($90-$500k) - PMs ($90-$250k) - HR Manager ($90-$250k) - SRE/IT ($90-$250k) We're hiring in San Diego, San Jose, Denver, and Minneapolis! Equity, health insurance, WFH hardware, and much, much more! (postings should be live on X soon!) bolt.graphics/careers/
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We finally have a permanent invite link for our Discord! Jump in, our team and friends are active in responding to questions about Zeus, Apollo, and Glowstick! discord.gg/NRfFJ2rz2U
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The sorry state of journalism these days. We previously tried to help TH out with corrections, but since they don’t care, here they are: “Bolt does not disclose anything about its micro-benchmark or how it simulates the performance of its hardware and how it gets comparative performance for AMD, Intel, and Nvidia GPUs, so we can't really say much about these results.” - we explicitly stated we ran a variety of real renders. Literally measuring the time it takes for various GPUs to render. (See pic below) “Typically, the workload in synthetic tests is controlled: Rays are cast in predictable patterns against fixed triangle sets, and the acceleration structures are static and well-optimized. This test, however, produces a clean, high number that reflects the GPU's raw intersection throughput under ideal conditions, which is good enough if one only wants to learn about the theoretical limits of a GPU in this specific workload.” - to recap, we did NOT use synthetic tests; we rendered real scenes. It’s most definitely not under ideal conditions (see pic below) Here’s our public documentation that describes our testing methodology for path tracing:
Bolt Graphics claims its Zeus GPUs outperform Nvidia's RTX 5090 by up to 13x in internal ray-tracing tests, though real-world gains remain unknown. tomshardware.com/pc-componen…
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And, here’s the link to the public documentation: bolt-graphics.atlassian.net/…

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Bolt Graphics retweeted
We even made a video about it on YouTube.
Getting a lot of questions about memory bandwidth. The charts below show bandwidth and cache per FP32 core (I.e. cuda core) 2x memory bandwidth per core vs 5090 11x sram cache per core vs 5090 amd is less cache/BW anemic Zeus scales out well, and keeps data on chip more
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Bolt Graphics retweeted
I wrote a report on the GPU market, covering rendering, gaming, and HPC industries. Some interesting takeaways: - 3 billion active gamers worldwide - 1 billion GPUs shipped every year (the majority being smartphones) - 66% of the discrete GPU market has ASPs over $970 - 25-50% of time and money is spent waiting for GPUs to render or perform simulations. Over $1B/yr is spent waiting for your GPU to finish its work. Faster GPUs save time/money. bolt.graphics/overview-of-th…
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Bolt Graphics retweeted
Yeah, we’re building GPUs, but we also make art to test our software. This time, @mcurt09 cooked 🎨🧑‍🍳🖼️ (Yes, this is a render and not a picture) This is part of our Zeus / Greek mythology theme. A lot more to come creative content-wise!
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Bolt merch (t-shirts, hats, coffee mugs, beer steins, and more) are now available on our store! Purchase directly from our X store on our profile, or on our website: store.bolt.graphics/ We source high-quality products from USA-based vendors when possible 🇺🇸
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