Qualcomm Snapdragon XR2 Gen 2
| Qualcomm Snapdragon XR2 Gen 2 | |
|---|---|
| |
| Information | |
| Type | Extended reality (AR/VR/MR) system-on-chip and platform |
| Subtype | Standalone headset SoC |
| Creator | Qualcomm |
| Developer | Qualcomm |
| Manufacturer | Samsung Foundry (4nm) |
| Operating System | Android |
| Devices | Meta Quest 3, Meta Quest 3S |
| Release Date | Announced September 27, 2023 |
| Website | https://www.qualcomm.com/xr-vr-ar/products/vr-mr-series/snapdragon-xr2-gen-2-platform |
Qualcomm Snapdragon XR2 Gen 2 is a system on a chip and reference platform built by Qualcomm for standalone mixed reality and virtual reality headsets. Qualcomm announced it on September 27, 2023 at Meta Connect, the same event where Meta unveiled the Meta Quest 3, the first headset to use the chip.[1][2]
The XR2 Gen 2 is the successor to the Qualcomm Snapdragon XR2 (announced December 2019), which powered the Meta Quest 2. Qualcomm built the newer chip on a 4nm process, against the 7nm of the first XR2, and the company's stated gains are up to 2.5 times the GPU performance, a more than 33 percent increase in CPU performance, and up to 8 times the on-device AI performance of its predecessor.[3][2] A higher-clocked variant, the Snapdragon XR2+ Gen 2, followed in January 2024 for higher-resolution headsets.[4]
Announcement and positioning
Qualcomm revealed the platform on September 27, 2023, presenting it as the silicon behind Meta's first mass-market mixed reality headset with full-color video passthrough.[1] Where the original XR2 was pitched in 2019 as the world's first 5G XR platform, Qualcomm positioned the XR2 Gen 2 around two themes: a large jump in graphics throughput for higher-fidelity rendering, and dedicated on-chip acceleration for the perception tasks a standalone head-mounted display runs constantly, namely positional tracking, hand tracking, and passthrough.[2][5]
Qualcomm announced the XR2 Gen 2 alongside a separate chip, the Snapdragon AR1 Gen 1, which targets thinner camera-equipped smart glasses such as the Ray-Ban Meta Smart Glasses. The two are distinct platforms aimed at different device classes: the XR2 Gen 2 at full mixed reality and VR headsets, the AR1 at lightweight glasses.[6]
Technical details
The application processor combines a Qualcomm Kryo CPU, a next-generation Adreno GPU, a Hexagon NPU for AI, and LPDDR5x memory controller interfaces.[7] In its announcement materials Qualcomm referred only to a "next-generation Adreno GPU" and did not publish a model number. A teardown by TechInsights identified the part used in the Quest 3 as the Qualcomm SXR2230P, built on Samsung's 4nm (4LPX) FinFET process, and reporting on the Quest 3 places its Adreno GPU in the Adreno 740 family running at 545 MHz.[7][8]
For graphics, Qualcomm cites up to 2.5 times the peak GPU performance and roughly double the performance per watt of the first XR2, with the platform optimized to drive two displays at up to 3K by 3K resolution per eye.[1][2] On the AI side it claims up to 8 times higher AI performance than the previous generation, and up to 4 times the peak AI performance and 8 times the AI performance per watt for INT8 workloads.[2][3] The CPU is rated at more than 33 percent above the original XR2.[2][3]
A central design point is that several XR-specific workloads run on dedicated, fixed-function hardware rather than the general-purpose cores. Qualcomm provides full on-chip hardware acceleration for positional tracking, camera passthrough, Application SpaceWarp (frame extrapolation), and super-resolution sharpening, which lowers both latency and power draw for those continuous tasks.[2][5]
Passthrough and cameras
The chip supports up to 10 concurrent cameras and sensors for tracking and passthrough.[1][5] Qualcomm states the video see-through pipeline runs at about 12 milliseconds of latency, down from roughly 50 milliseconds on the prior generation, which UploadVR and MIXED both report as the figure that made low-latency color passthrough practical on the Quest 3.[2][3] The platform also adds hardware decode for the AV1 video codec.[2]
Connectivity
The platform pairs with Qualcomm's FastConnect connectivity system, adding Wi-Fi 7 and Wi-Fi 6E support and Bluetooth 5.3.[3][6] Higher wireless throughput and lower latency are aimed at PC-to-headset streaming use cases.[3]
Specifications
| Feature | Snapdragon XR2 Gen 2 (SXR2230P) |
|---|---|
| Announced | September 27, 2023[1] |
| Process node | Samsung 4nm (4LPX) FinFET[7] |
| CPU | Qualcomm Kryo; more than 33% faster than XR2 Gen 1[2][3] |
| GPU | Next-generation Adreno (Adreno 740 family per teardown reporting); up to 2.5x peak performance, ~2x performance per watt vs XR2 Gen 1[2][8] |
| AI / NPU | Hexagon NPU; up to 8x AI performance vs XR2 Gen 1 (up to 4x peak, 8x per watt INT8)[2][3] |
| Memory | LPDDR5x[7] |
| Display output | Up to 3K x 3K per eye, two displays[1][2] |
| Cameras / sensors | Up to 10 concurrent[1][5] |
| Passthrough latency | About 12 ms (down from ~50 ms)[2][3] |
| Hardware acceleration | Positional tracking, passthrough, Application SpaceWarp, super resolution[2][5] |
| Video codec | Adds AV1 decode[2] |
| Connectivity | Wi-Fi 7, Wi-Fi 6E, Bluetooth 5.3 (FastConnect)[3][6] |
Devices
- Meta Quest 3 (October 2023): the launch device for the XR2 Gen 2 and the first headset to ship with it. Meta announced the Quest 3 at $499.99 with availability on October 10, 2023; it pairs the chip with two 2,064 x 2,208 LCD panels and full-color passthrough.[1][3]
- Meta Quest 3S (October 2024): a lower-cost headset announced at Meta Connect on September 25, 2024 and released October 15, 2024 from $299.99. It uses the same XR2 Gen 2 chip as the Quest 3 but with lower-resolution 1,832 x 1,920 per-eye panels and Fresnel lenses to reduce cost.[9][10]
TechInsights confirmed in its Quest 3S teardown that the headset reuses the XR2 Gen 2 platform of the Quest 3 in a cost-optimized design.[11]
Snapdragon XR2+ Gen 2
On January 4, 2024 Qualcomm announced the Snapdragon XR2+ Gen 2, a higher-performance member of the same family rather than a new generation. It runs the GPU about 15 percent and the CPU about 20 percent higher in frequency than the base XR2 Gen 2, and supports up to 12 concurrent cameras instead of 10.[4][12]
The XR2+ Gen 2 raises the supported display output to up to 4.3K (4,300 x 4,300) per eye at 90 Hz, or 3.7K per eye at 120 Hz, against the base part's roughly 3.1K per eye at 90 Hz.[4][12] At announcement Qualcomm and UploadVR named several manufacturers building XR2+ Gen 2 devices, including Samsung (in partnership with Google), HTC, Immersed, YVR, and Sony.[12]
| Area | Snapdragon XR2 Gen 2 | Snapdragon XR2+ Gen 2 |
|---|---|---|
| Announced | September 2023[1] | January 2024[4] |
| GPU clock | Baseline[2] | ~15% higher[4] |
| CPU clock | Baseline[2] | ~20% higher[4] |
| Per-eye resolution | Up to ~3.1K at 90 Hz[12] | Up to 4.3K at 90 Hz / 3.7K at 120 Hz[4][12] |
| Concurrent cameras | Up to 10[5] | Up to 12[4] |
| Example devices | Meta Quest 3, Meta Quest 3S[3][10] | Samsung/Google, HTC, Sony, others[12] |
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "Qualcomm Snapdragon XR2 Gen 2 Ushers In Next Gen XR Starting With The Meta Quest 3". 2023-09-27. https://hothardware.com/news/qualcomm-launches-xr-platforms-powering-meta-products.
- ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 "XR2 Gen 2: Quest 3's New GPU More Than Twice As Powerful". 2023-09-27. https://www.uploadvr.com/snapdragon-xr2-gen-2/.
- ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 "Meta Quest 3 is powered by a vastly improved chipset, details here". 2023-09-27. https://mixed-news.com/en/snapdragon-xr2-gen-2-specs/.
- ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 "Qualcomm Announces More Powerful Version of Quest 3's XR Chip". 2024-01-04. https://www.roadtovr.com/qualcomm-snapdragon-xr2-plus-gen-2-processor-announcement/.
- ↑ 5.0 5.1 5.2 5.3 5.4 5.5 "Qualcomm's new Snapdragon XR2 Gen 2 AR/VR platform is very powerful". 2023-09-27. https://www.phonearena.com/news/qualcomm-snapdragon-xr2-gen2-vr-platform-official_id151106.
- ↑ 6.0 6.1 6.2 "Qualcomm introduces next-gen AR/VR platforms Snapdragon XR2 Gen 2 and AR1 Gen 1". 2023-09-27. https://m.gsmarena.com/newscomm-60066.php.
- ↑ 7.0 7.1 7.2 7.3 "Qualcomm Snapdragon XR2 Gen 2 (AI Integration) Digital Floorplan Analysis". 2024-02-01. https://www.techinsights.com/blog/qualcomm-snapdragon-xr2-gen-2-ai-integration-digital-floorplan-analysis.
- ↑ 8.0 8.1 "Deep Dive Teardown of the Meta Quest 3 S3A VR Headset". 2023-11-01. https://www.techinsights.com/blog/deep-dive-teardown-meta-quest-3-s3a-vr-headset.
- ↑ "Meta Quest 3S Is Available Now". 2024-09-25. https://www.meta.com/blog/meta-quest-3s-announced-connect-2024/.
- ↑ 10.0 10.1 "Meta Quest 3S". 2024-09-25. https://www.qualcomm.com/xr-vr-ar/device-finder/meta-quest-3s.
- ↑ "Meta Quest 3S Teardown Reveals Cost-Optimized VR Design". 2024-11-01. https://www.techinsights.com/blog/meta-quest-3s-teardown-reveals-cost-optimized-vr-design.
- ↑ 12.0 12.1 12.2 12.3 12.4 12.5 "Snapdragon XR2+ Gen 2 Announced For Samsung Headset & More". 2024-01-04. https://www.uploadvr.com/qualcomm-snapdragon-xr2-plus-gen-2/.