Apple R1
| Apple R1 | |
|---|---|
| Information | |
| Type | Sensor coprocessor |
| Subtype | Mixed reality headset coprocessor |
| Creator | Apple |
| Developer | Apple |
| Manufacturer | TSMC |
| Operating System | visionOS |
| Devices | Apple Vision Pro (M2, 2024), Apple Vision Pro (M5) (2025) |
| Release Date | Announced June 5, 2023; first shipped February 2, 2024 |
| Website | https://www.apple.com/apple-vision-pro/specs/ |
Apple R1 is a sensor coprocessor, a system on a chip designed by Apple for the Apple Vision Pro headset. It is the second chip in the headset's dual-chip design: the M2 (replaced by the M5 in the 2025 model) runs visionOS and applications, while the R1 takes the input from the headset's 12 cameras, five sensors and six microphones and streams new images to the displays within 12 milliseconds, according to Apple.[1] Apple lists the chip on its specification pages as having 12-millisecond photon-to-photon latency and 256GB/s of memory bandwidth.[2][3]
Apple announced the R1 together with Vision Pro at its Worldwide Developers Conference on June 5, 2023.[1][4] The chip first shipped in the M2-based Vision Pro, which went on sale in the United States on February 2, 2024, and it remains in the M5-based Vision Pro that Apple announced on October 15, 2025 and began selling on October 22, 2025.[5][6][7] The Vision Pro is the only product Apple has shipped with the R1 as of September 2026.
Independent measurement supports Apple's latency figure. In February 2024 the test-equipment maker OptoFidelity measured the Vision Pro's see-through (camera-to-display) latency at about 11 ms, against 35-40 ms for the Meta Quest 3, Meta Quest Pro and HTC Vive XR Elite.[8]
History
Apple introduced the R1 in the Vision Pro announcement at WWDC on June 5, 2023. The press release described "a unique dual-chip design" in which "the brand-new R1 chip processes input from 12 cameras, five sensors, and six microphones to ensure that content feels like it is appearing right in front of the user's eyes, in real time," and stated that the chip "streams new images to the displays within 12 milliseconds," which it called eight times faster than the blink of an eye.[1] TechCrunch's report from the keynote said the chip was "specifically designed for real-time processing of the real world" and was meant to reduce motion sickness.[4] MIXED also reported that Apple framed the 12 ms figure as eight times faster than an eye blink.[9]
The headset went on sale in the United States on February 2, 2024, with pre-orders from January 19, 2024, at a starting price of US$3,499 for the 256GB model.[5] Apple repeated the R1 description in its international launch announcement, which brought the headset to China mainland, Hong Kong, Japan and Singapore on June 28, 2024 and to Australia, Canada, France, Germany and the United Kingdom on July 12, 2024.[10]
On October 15, 2025 Apple announced a revised Vision Pro with the M5 chip and a new Dual Knit Band. The M5 model renders 10 percent more pixels on the micro-OLED displays, can raise the refresh rate to 120Hz, and is rated for up to two and a half hours of general use. The announcement kept the R1 unchanged, again describing it as processing input from 12 cameras, five sensors and six microphones and streaming new images to the displays within 12 milliseconds. Pre-orders opened the same day and the headset became available on October 22, 2025, starting at US$3,499 in 256GB, 512GB and 1TB capacities.[6][7] Apple's tech-specs page for the M5 model lists the same "Apple R1 chip" with "12-millisecond photon-to-photon latency" as the M2 model.[11] MacRumors reported that the original M2 model was discontinued when the M5 version was announced.[12]
On June 25, 2026 Apple raised the Vision Pro's US price by $200 at every tier, to $3,699 (256GB), $3,899 (512GB) and $4,199 (1TB), a change Apple CEO Tim Cook had attributed to the rising cost of memory and storage chips.[13]
Apple has not announced a successor to the R1. In September 2025 MacRumors relayed a report from Taiwan's Commercial Times that a future Vision Pro would use an "R2" chip built on TSMC's 2nm process, and noted that the timing was unclear.[14] As of September 2026 Apple's shipping headset, the M5 Vision Pro, still lists the R1.[2]
Role in Vision Pro
The R1 is the real-time half of a two-processor design. Apple's product page states that the "R1 chip is specifically dedicated to process input from the cameras, sensors, and microphones, streaming images to the displays within 12 milliseconds," while the M5 "runs visionOS, executes advanced computer vision algorithms, and delivers stunning graphics."[15] In the original model the M2, an 8-core CPU, 10-core GPU and 16-core Neural Engine chip with 16GB of unified memory, played the same general-purpose role.[3]
The inputs the R1 handles are those Apple lists on the Vision Pro spec sheet: two high-resolution main cameras, six world-facing tracking cameras, four eye-tracking cameras, a TrueDepth camera, a LiDAR Scanner, four inertial measurement units, a flicker sensor, an ambient light sensor, and a six-microphone array with directional beamforming.[2][3] The 12 ms figure is a photon-to-photon or see-through latency: the time from light reaching the outward-facing cameras to the corresponding image appearing on the internal displays, the metric that determines how natural passthrough mixed reality looks.[2][8] This is a different quantity from motion-to-photon latency, which measures the delay between a head movement and the display's response.[16]
UploadVR's specification summary reported the chip's 256GB/s memory bandwidth and observed that Apple's 12 ms claim matched the passthrough latency Qualcomm cites for its Snapdragon XR2 Gen 2.[17]
| Item | Apple's stated value |
|---|---|
| Function | Processes input from 12 cameras, five sensors and six microphones; streams new images to the displays[1] |
| Photon-to-photon latency | 12 milliseconds[2] |
| Memory bandwidth | 256GB/s[2] |
| Companion processor | Apple M2 (2024 model); Apple M5 (2025 model)[3][11] |
| Operating system | visionOS[15] |
Hardware
Teardowns have added some detail to Apple's description. iFixit's chip identification guide for the Vision Pro, published February 7, 2024, lists the R1 as an "Apple APL1W08/339S01186 R1 sensor coprocessor" next to the "Apple APL1109/339S01081E M2" applications processor on the main logic board.[18][19]
The chip-analysis firm TechInsights reported that the R1 is packaged in TSMC's integrated fan-out multi-chip (InFO-M) package, which it described as the first time Apple had used that packaging technology.[20] In a separate analysis TechInsights found SK hynix low-latency wide I/O (LLW) DRAM, part number H5EA1A56MWA, integrated in the APL1W08 package, which it counted as having 1,961 solder pads; the firm said the on-package memory was intended to reduce latency.[21][22]
Writing in EE Times in July 2024, analyst Don Scansen described the R1 as "a completely new chip design" built for "a very specific set of real time functions" rather than a cut-down general-purpose processor. In his reading of the package, a large central die is surrounded by ten smaller dies, the layout is split into a portion for each eye in a way that mirrors stereoscopic vision, and the SK hynix LLW DRAM lets the chip operate on large video datasets in real time. He also identified a Lattice iCE40 Ultra FPGA on the board acting as a sensor-fusion hub that preprocesses motion and position sensor data before it reaches the R1.[23]
Measured performance
OptoFidelity, a maker of display and XR test equipment, published the first independent see-through latency measurement of the Vision Pro on February 14, 2024. Using its BUDDY 6 tester with a see-through measurement LED target, the company measured about 11 ms of photon-to-photon latency on the Vision Pro, compared with 35-40 ms for the Meta Quest 3, Meta Quest Pro and HTC Vive XR Elite, and said the result supported Apple's 12 ms claim.[8] 9to5Mac's coverage of the same tests noted that on angular motion-to-photon latency the Vision Pro trailed the Meta headsets, whose prediction produced negative values where the Vision Pro's stayed positive, but that all three figures were too low to detect in use.[16]
Low passthrough latency does not by itself make every input fast. In a March 2024 test, Road to VR measured photon-to-hand-tracking latency of roughly 128 ms on the Vision Pro against roughly 70 ms on the Quest 3, while citing passthrough latencies of about 11 ms and about 39 ms respectively. Ben Lang wrote that because a user judges hand tracking against the delayed passthrough view, the delay that is actually perceived is the difference between the two figures, about 31 ms on Quest 3 against about 117 ms on Vision Pro, so the Quest 3 feels quicker than its total latency suggests.[24]
Reviewing the M5 model for 9to5Mac in October 2025, Chance Miller found that the new main processor made performance more consistent and Mac Virtual Display smoother at 120Hz, but that passthrough showed at most a slight improvement from the higher refresh rate and nothing dramatic compared with the M2 model; the review described the R1 as still handling real-time input alongside the M5.[25]
Devices
| Device | Main processor | Announced | First available | Status (September 2026) |
|---|---|---|---|---|
| Apple Vision Pro | Apple M2 | June 5, 2023[1] | February 2, 2024 (United States)[5] | Discontinued October 15, 2025[12] |
| Apple Vision Pro (M5) | Apple M5 | October 15, 2025[6] | October 22, 2025[7] | On sale; from US$3,699 since June 25, 2026[13] |
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 "Introducing Apple Vision Pro: Apple's first spatial computer". Apple Newsroom. Apple. 2023-06-05. https://www.apple.com/newsroom/2023/06/introducing-apple-vision-pro/. Retrieved 2026-09-20.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 "Apple Vision Pro - Technical Specifications". Apple. https://www.apple.com/apple-vision-pro/specs/. Retrieved 2026-09-20.
- ↑ 3.0 3.1 3.2 3.3 "Apple Vision Pro - Tech Specs". Apple Support. Apple. https://support.apple.com/en-us/117810. Retrieved 2026-09-20.
- ↑ 4.0 4.1 Romain Dillet (2023-06-05). "The Apple Vision Pro features an M2 chip, a ton of sensors and a new R1 chip". TechCrunch. https://techcrunch.com/2023/06/05/the-apple-vision-pro-features-an-m2-chip-a-ton-of-sensors-and-a-new-r1-chip. Retrieved 2026-09-20.
- ↑ 5.0 5.1 5.2 "Apple Vision Pro available in the U.S. on February 2". Apple Newsroom. Apple. 2024-01-08. https://www.apple.com/newsroom/2024/01/apple-vision-pro-available-in-the-us-on-february-2/. Retrieved 2026-09-20.
- ↑ 6.0 6.1 6.2 "Apple Vision Pro upgraded with the M5 chip and Dual Knit Band". Apple Newsroom. Apple. 2025-10-15. https://www.apple.com/newsroom/2025/10/apple-vision-pro-upgraded-with-the-m5-chip-and-dual-knit-band/. Retrieved 2026-09-20.
- ↑ 7.0 7.1 7.2 "New iPad Pro, 14-inch MacBook Pro, and Apple Vision Pro now available". Apple Newsroom. Apple. 2025-10-22. https://www.apple.com/newsroom/2025/10/new-ipad-pro-14-inch-macbook-pro-and-apple-vision-pro-now-available/. Retrieved 2026-09-20.
- ↑ 8.0 8.1 8.2 Tommi Björk (2024-02-14). "Apple Vision Pro Benchmark Test 1: See-Through Latency, Photon-to-Photon". OptoFidelity. https://www.optofidelity.com/insights/blogs/apple-vision-pro-benchmark-test-1-see-through-latency-photon-to-photon. Retrieved 2026-09-20.
- ↑ Alan Truly (2023-06-06). "Here's how Apple Vision Pro takes mixed reality to the next level". MIXED. https://mixed-news.com/en/heres-how-apple-vision-pro-takes-mixed-reality-to-the-next-level/. Retrieved 2026-09-20.
- ↑ "Apple Vision Pro arrives in new countries and regions beginning June 28". Apple Newsroom. Apple. 2024-06-10. https://www.apple.com/newsroom/2024/06/apple-vision-pro-arrives-in-new-countries-and-regions-beginning-june-28/. Retrieved 2026-09-20.
- ↑ 11.0 11.1 "Apple Vision Pro (M5) - Tech Specs". Apple Support. Apple. https://support.apple.com/en-us/125436. Retrieved 2026-09-20.
- ↑ 12.0 12.1 Hartley Charlton (2025-10-15). "Discontinued M2 Vision Pro Not Available for Trade-In". MacRumors. https://www.macrumors.com/2025/10/15/discontinued-m2-vision-pro-not-available-for-trade-in/. Retrieved 2026-09-20.
- ↑ 13.0 13.1 Hartley Charlton (2026-06-25). "Apple Vision Pro Just Got Even More Expensive". MacRumors. https://www.macrumors.com/2026/06/25/apple-vision-pro-just-got-even-more-expensive/. Retrieved 2026-09-20.
- ↑ Joe Rossignol (2025-09-18). "Apple Vision Pro Rumored to Receive R2 Chip Next Year". MacRumors. https://www.macrumors.com/2025/09/18/apple-vision-pro-r2-chip-rumor/. Retrieved 2026-09-20.
- ↑ 15.0 15.1 "Apple Vision Pro". Apple. https://www.apple.com/apple-vision-pro/. Retrieved 2026-09-20.
- ↑ 16.0 16.1 Ben Lovejoy (2024-02-16). "Vision Pro latency by far the best on passthrough; lags behind Meta on angular motion". 9to5Mac. https://9to5mac.com/2024/02/16/vision-pro-latency/. Retrieved 2026-09-20.
- ↑ David Heaney (2024-01-19). "Apple Vision Pro Full Specs, Features & Details". UploadVR. https://www.uploadvr.com/apple-vision-pro-specs/. Retrieved 2026-09-20.
- ↑ Arthur Shi (2024-02-07). "Apple Vision Pro Chip ID". iFixit. https://www.ifixit.com/Guide/Apple+Vision+Pro+Chip+ID/169813. Retrieved 2026-09-20.
- ↑ Joe Rossignol (2024-02-03). "iFixit Shares Apple Vision Pro Teardown". MacRumors. https://www.macrumors.com/2024/02/03/ifixit-apple-vision-pro-teardown/. Retrieved 2026-09-20.
- ↑ Dick James. "Apple R1 Adopts TSMC's Latest Package". TechInsights. https://www.techinsights.com/blog/apple-r1-adopts-tsmcs-latest-package. Retrieved 2026-09-20.
- ↑ "Apple Vision Pro Utilizes SK hynix DRAM in R1 Chip". TechInsights. https://www.techinsights.com/blog/apple-vision-pro-utiizes-sk-hynix-dram-r1-chip. Retrieved 2026-09-20.
- ↑ "Apple R1 SoC Advanced Packaging Analysis". TechInsights. https://www.techinsights.com/blog/apple-r1-soc-advanced-packaging-analysis. Retrieved 2026-09-20.
- ↑ Don Scansen (2024-07-19). "Apple R1 Opens New Avenues in Spatial Computing". EE Times. https://www.eetimes.com/apple-r1-opens-new-avenues-in-spatial-computing/. Retrieved 2026-09-20.
- ↑ Ben Lang (2024-03-28). "Vision Pro and Quest 3 Hand-tracking Latency Compared". Road to VR. https://roadtovr.com/apple-vision-pro-meta-quest-3-hand-tracking-latency-comparison/. Retrieved 2026-09-20.
- ↑ Chance Miller (2025-10-21). "Apple Vision Pro (M5) review: More than just a spec bump". 9to5Mac. https://9to5mac.com/2025/10/21/apple-vision-pro-m5-review/. Retrieved 2026-09-20.