The “fastest GPU in history” is unveiled, promising to outperform Nvidia and having already passed a key manufacturing milestone
Bolt Graphics announces the tape-out of the Zeus prototype chip, a GPU designed for rendering, HPC, and path tracing, with production slated for 2027.
Bolt Graphics has announced that Zeus, its new high-performance graphics platform, has passed one of the key milestones in chip development: tape-out. The term, widely used in the semiconductor industry, indicates that the chip design has been completed and is being sent to manufacturing to produce the first physical samples. It does not mean that the GPU is ready to hit the stores, but it does mean that the project has moved from the theoretical stage to a much more tangible one.
The company, based in Sunnyvale, California, is touting Zeus as “the fastest GPU ever,” an ambitious claim even for an industry accustomed to big promises. Its initial focus will not be limited to video games, but will also extend to high-performance computing workloads, rendering, simulation, and computationally intensive applications. Bolt Graphics claims that the platform is designed to reduce the total cost of computing by up to 17 times compared to established architectures—a figure that, if confirmed, could have a significant impact on animation studios, engineering, research, and data centers.
“2.5 times the performance of a GeForce RTX 5090”
The most striking point is the direct comparison with Nvidia. According to data released by the company itself, a single Zeus processor could deliver 2.5 times the performance of a GeForce RTX 5090 in certain rendering workloads. Higher-end configurations, based on multiple chiplets, would take that promise to even more aggressive figures: up to 10 times the rendering performance and up to 5 times the real-time path tracing performance compared to Nvidia’s most powerful consumer GPU.
Bolt Graphics discusses a RISC-V-based architecture and an approach focused on performance per dollar, not just raw power. The base Zeus 1C26 model would feature a chiplet with 77 gigarays and 128 MB of on-chip cache. The Zeus 2C26 and Zeus 4C26 variants would scale up to two and four chiplets, with 154 and 307 gigarays, respectively. A very large memory configuration is also mentioned, with 32 GB of LPDDR5X in the base model and the possibility of expansion via DDR5-SODIMM modules.
The company claims that Zeus is designed to enable real-time path tracing at 4K resolution and 120 frames per second—a technical milestone that remains extremely challenging even for the most advanced graphics hardware. But it’s best to take these claims with a grain of salt. Much of the available data still comes from estimates, internal comparisons, or pre-production benchmarks, rather than independent testing with commercial hardware.
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The test chip has been designed for TSMC’s 12FFC process, while the architecture also supports more advanced nodes, including 5 nm. Bolt Graphics expects to begin production of Zeus in the fourth quarter of 2027, so there is still a long way to go before we can see whether the GPU can deliver in real-world conditions what it currently promises on paper.
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