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If you are already invested in Apple's high-end desktops, particularly a powerhouse like the 2025 Mac Studio with M3 Ultra, you are probably wondering whether it is time to upgrade to the new Mac Studio with M5 Ultra. While questions abound about silicon updates, AI capabilities, and price-to-performance ratios, the biggest question is this: Does the older Mac Studio perform as you need it under intense workflows? Keep that question in mind as I dive into a point-by-point comparison between the M3 Ultra Mac Studio and the new M5 Ultra model, focusing on power, price, and other essential features.
Design: Did Apple Change the Mac Studio's Chassis?
The first thing you'll notice about the new Mac Studio is that, in true Apple fashion, the external design remains almost exactly the same. That squared-off form factor remains identical across the old and new generations, with an all-aluminum unibody chassis measuring 3.7 inches tall and featuring a 7.7-by-7.7-inch footprint. Engineered to slide cleanly under the lower edge of an Apple Studio Display, these systems bring powerful computing to any desk while taking up minimal space. Apple products have always been designed with an eye toward aesthetics, as well as functional engineering.
Because both models use Apple's Ultra-tier chips, which have hefty cooling requirements, they each contain massive copper cooling blocks, bringing each machine to a hefty 8 pounds. Although the Mac Studio has internal cooling fans for thermal management, the systems remained whisper-quiet in my testing, even under heavy loads.
Granted, sustained high-performance use, such as hours-long rendering projects or complex parallel compilations throughout a workday, may cause fan noise. However, I didn't reach that work threshold during my hands-on time with the machines. Apple notes the M5 Ultra registers 1.5 Bels and 7dBA during idle and active web tasks, quieter even than the M3 Ultra’s 1.6 Bels while matching its 7dBA pressure level. That 7dBA output is practically inaudible—quieter than rustling leaves (around 20dBA) and well below the 25dBA to 30dBA ambient floor of a quiet library or nighttime bedroom. We don't measure or report sound levels for other systems, but I can tell you this is the quietest I've tested.
The secret to this quiet performance is a bottom-up airflow design that draws cool ambient air through an intake ring at the edge of the circular base and then up through the heat-generating hardware. Following the natural upward flow of heat, it then exhausts through hundreds of perforations across the system's rear. Apple's design uses a large-diameter, low-speed fan that can move a high volume of air at very low rotational speed. This slow-moving fan reduces the whine you'd hear with a faster-moving fan, producing a low-frequency hum that's perceived as quieter than higher-pitched sounds, even at the same decibel level. This whisper-quiet cooling is the same across 2025 and 2026 models, so it's no big difference for shoppers.
Last but not least, you cannot talk about the physical design of the Mac Studio without addressing the lack of serviceability. The silicon SoC and the unified memory are both packaged directly onto the processor substrate, and even the internal SSD modules are locked from user replacement or end-user servicing without specialized diagnostic tools. Sure, you can open the Mac Studio as an end user, but you're effectively barred from making component changes or upgrades. That means you're locked in with your purchased configuration, and any repairs must go through an official Apple-authorized repair center.
And that's the real lesson: Select your Mac Studio configuration carefully at the time of purchase, because regardless of how similar they look, you're stuck with the components and specs.
Winner: Draw
Connectivity: Cutting the USB-A Cord
The defining physical characteristics of the Mac Studio start on the front of the system, with a pair of Thunderbolt 5 ports and an SDXC card slot. On a machine with few distinguishing physical characteristics, these front ports stand out, even if they look identical and offer the same connectivity between the 2025 and 2026 models. On the back of the Macs, the I/O panel provides four Thunderbolt 5 ports, an HDMI 2.1 port, a 10Gbps Ethernet jack, and a high-impedance 3.5mm headphone jack.
There is one minor difference in connectivity here. The 2025 M3 Ultra model has two USB Type-A ports on that rear panel; these ports are not offered on the 2026 M5 Ultra model. For many creative professionals, losing USB-A is a notable downgrade, as it requires dongles for legacy hard drives, input devices, audio interfaces, or software license keys. That could make the newer model a downgrade for your specific needs, even if the M5 Ultra wins out in advanced features.
Wireless connectivity has also been updated. The M3 system offers Wi-Fi 6E networking and Bluetooth 5.3 connectivity for speakers and peripherals, but the M5 Ultra model introduces Apple's custom N1 radio chip, which provides Wi-Fi 7 and Bluetooth 6.
There are two other use-case-specific changes to the M5 Ultra model. First, the new Mac Studio adds hardware-level video synchronization over its Thunderbolt 5 ports, a feature called USB-C Genlock. This aligns the frame timing directly with professional broadcast switchers, genlock generators, and virtual production camera rigs, which is incredibly valuable if you are involved in live video production or broadcasting.
The other M5 Ultra addition is just as specialized, with the introduction of Thunderbolt 5 Remote Direct Memory Access (RDMA) clustering. This connectivity protocol enables a 120Gbps Thunderbolt connection over the Mac Studio's Thunderbolt 5 ports, allowing you to network up to four Mac Studio desktops for distributed LLM inference. This unifies the memory pool for up to three times faster distributed inference. The combination of high-end hardware and a larger unified memory pool lets the Mac Studio offer server-level support for local AI models. But clustering the high-end systems is an investment only a subset of users will ever need to make.
Winner: Mac Studio (2026, M5 Ultra)
Display Options: More Monitors, Higher Refresh Rates
The Mac Studio is ideal for driving multiple high-resolution displays. Both the M3 and M5 versions support up to eight displays, with direct display output over Thunderbolt 5 at up to 120Gbps via native DisplayPort 2.1. That translates to support for up to four Apple Studio Display XDRs at 5K resolution. However, the M3 Ultra is capped at 60Hz, while the M5 Ultra can reach a full 120Hz.
Other formats, such as 8K resolution, can be handled at 60Hz across four displays, or you can run four displays at 4K resolution at up to 240Hz for a high-refresh-rate setup. As mentioned before, the M5 Ultra adds pro video synchronization with Genlock over USB-C, a hardware-based syncing technology that is superior to the software-driven solution offered on the M3 Ultra. It also features multichannel spatial audio pass-through over its Thunderbolt and HDMI outputs.
The monitor-replated spec that gets thrown around most often with the Mac Studio is that both support up to eight daisy-chained displays. However, the M3 Ultra splits its display pipeline into two distinct internal port groups, each handling up to four displays. Due to how it balances the video display load, the M3 Ultra can drive up to six 6K displays at 60Hz, with the remaining monitors dropping to 4K resolution. The M5 Ultra, on the other hand, introduces full multi-stream transport across its internal pipelines, letting you drive up to four external displays over a single Thunderbolt port. This means that you could theoretically power a full eight displays running at 6K resolution at 60Hz, or 4K at 165Hz, using just two cables plugged into the Thunderbolt 5 ports on the front or back of the Mac Studio.
It is also important to note that neither version of the Mac Studio comes with a monitor. The Mac Studio is a standalone device, so you'll need to provide your own input peripherals and displays. This is nothing new for Apple desktops, but the steep price of the Mac Studio and the official Apple monitors that go with it—which start at $1,599 for the base Studio Display and $3,299 for a Pro Display XDR—can surprise some people.
Winner: Mac Studio (2026, M5 Ultra)
CPU Benchmarks: How Much Faster Is the M5 Ultra?
The most significant difference between the 2025 and 2026 Mac Studio models is the silicon running inside. Apple silicon has come a long way in two generations, scaling up from the dual-die M3 Ultra, which fuses a pair of M3 Max chips with an UltraFusion interposer delivering over 2.5TBps of bandwidth. The M3 Ultra chipset relies on a third-generation core architecture that suffers from slight per-core IPC and latency disadvantages compared with newer chips.
Apple advances this with the M5 Ultra by adopting a new quad-die chip design. This is the first quad-die SoC from Apple, and it bridges two dual-die M5 Max packages together. The M5 Max decouples the CPU and GPU dies, pairing them together to maximize silicon yields. Combine that with an upgraded UltraFusion interconnect operating at over 4.4TBps of inter-die bandwidth, and you get a massive quad-die setup. Apple hails this as a design first, but it really sounds more like an inevitability as the company refines its chip design processes.
Also, you may wonder why there's no mention of the M4 Ultra in this conversation. While there are Macs with M4, M4 Pro, and M4 Max chips, Apple skipped the M4 Ultra generation for the Mac Studio entirely, sticking to an every-other-generation cadence for the doubled-up Ultra chips.
At the base level, the M3 Ultra features a 28-core CPU, while our tested model featured 32 cores. The M5 Ultra raises the floor to 30 cores and was tested with a 36-core CPU. Apple rates the M5 Ultra CPU at up to 1.25 times faster single-threaded and up to 1.3 times faster multithreaded performance over the M3 Ultra. Benchmark testing backs this up.
In Cinebench 2024 Multi-Core tests, the M3 Ultra achieved just over 3,000 points, while the M5 Ultra delivered 4,635 points, establishing an outright 40% multi-core performance lead. In single-core Cinebench runs, the M5 Ultra recorded 204 points (versus 150 points on the M3 Ultra), directly remedying the M3 Ultra's older architectural lag. Likewise, on Geekbench 6.3 Pro Single-Core, the M5 Ultra scored 4,326 points, taking an undisputed category lead.
One area where the two were almost identical is in Handbrake video transcoding. Using the same 4K video clip and converting it to 1080p, both the M3 Ultra and M5 Ultra Studios completed the task in under a minute and a half, notably faster than most top-tier workstations we've tested.
Winner: Mac Studio (2026, M5 Ultra)
Graphics and Media Engines: A Massive AI Boost
One of the most interesting changes as the Mac Studio evolves is what stays the same. Both the M3 Ultra and the M5 Ultra we reviewed feature 80-core GPUs. In both cases, this is not a discrete graphics card but an equivalent number of graphics cores integrated into the system-on-chip (SoC) that powers the Mac Studio. The base configurations differ slightly: the M3 Ultra starts with 60 graphics cores and the M5 Ultra with 64. That said, having the same maximum number of cores doesn't mean identical performance.
The M3 features first-generation Dynamic Caching, hardware-accelerated mesh shading, and ray tracing. All of these were big developments in 2025. But with the M5 Ultra, the graphics hardware features second-generation Dynamic Caching, third-generation ray tracing, and dedicated Neural Accelerators integrated directly on each GPU core. This provides up to 40% faster graphics rendering and up to four times faster AI compute.
The M5 Ultra's dominance was clear in PugetBench for DaVinci Resolve Studio 18, where it recorded a massive score of 18,000 points. While the M3 Ultra previously set top rendering marks in Blender 3D, direct M5 Ultra comparison runs could not be gathered this time around due to Adobe version deprecations, OS modifications, and software compatibility conflicts.
Gaming performance also sees notable boosts, with the M5 Ultra edging past older M-series chips in Total War: Warhammer 3 and hitting around 80 frames per second (fps) in Cyberpunk 2077 at Ultra settings (79fps at 1080p/1200p; 80fps at 1440p/1600p, likely limited by a frame-rate cap). Even in ray-tracing-dense scenes on Cyberpunk's killer Ray Tracing Overdrive setting, it holds 43fps at 1080p/1200p and 28fps at 1440p/1600p.
This architectural difference is on display in the video support offered by the hardware media engines. The M3 Ultra is equipped with hardware acceleration for H.264 and HEVC, two video decode engines, four video encode engines, and four dedicated ProRes accelerators, allowing playback for up to 24 streams of 8K ProRes 422 video. The M5 Ultra, on the other hand, doubles the video encode and decode engines seen on the M5 Max. This provides concurrent playback of up to 33 streams of 8K ProRes 422 video at 30fps.
If you are using the Mac Studio for video production, the wider bottleneck affects how quickly you can work. It is worth noting, however, that raw GPU rasterization continues to trail top discrete desktop workstation GPUs like the Nvidia RTX Pro 6000, and neither Mac Studio generation holds formal independent software vendor (ISV) certifications for mission-critical medical or CAD engineering suites.
Winner: Mac Studio (2026, M5 Ultra)
RAM and SSD: Does Apple Offer New Memory and Storage Options?
Another area where the Mac Studio is unchanged on paper is in its memory and storage capacity limits. Both old and new models start with a base 1TB SSD that scales up identically across 2TB, 4TB, 8TB, and 16TB options. They also both start with a base of 96GB of unified memory. The M3 Ultra can scale up to 512GB, though we tested it at 256GB. The M5 Ultra features the same 96GB base and was tested with 256GB of unified memory, as well.
Note that the option for an M5 Ultra with 512GB of memory only will arrive later in October. This means that for at least the next month, an older M3 Ultra is your only option if you need 512GB of memory right away.
Winner: Draw
Pricing and Value: The Rising Cost of RAM
While the memory and storage specs may look identical, there is a major difference in dollars you need to account for. Between the launch of the 2025 Mac Studio and the 2026 model with the M5 Ultra, the chip market has undergone profound changes, and RAM prices have skyrocketed due to increased demand from AI developers running high-parameter local models. This means the per-gigabyte price of RAM is substantially higher on the M5 Ultra than it was for the M3 Ultra at launch.
Since those market shifts took effect, Apple has adjusted its prices, raising the cost of the M3 Ultra Mac Studio. The M3 Ultra originally debuted at $3,999 for the base model, but that starting price was raised in June of this year to $5,299 due to rising costs for memory and storage procurement. That's $1,300 just for the base configuration—a 33% increase!—and the steepest hike among Apple's Mac products. But on top of that price hike for the 96GB base model, the 256GB and 512GB models were also removed from Apple's product pages as DRAM prices rose.
Our tested M3 Ultra unit sat at $8,099 with 256GB of memory, while a fully maxed-out 512GB model ran $14,099. If you bought any Mac Studio with M3 Ultra in 2025, count yourself very lucky, because those prices are no longer available.
Apple's top-tier desktop, equipped with ample memory and high-capacity storage, was never going to be cheap, but the M5 Ultra model pushes prices to new heights. The M5 Ultra commands a starting price of $5,499, and the unit we tested costs a staggering $12,299. Even when comparing identically configured machines with 256GB of RAM and a 4TB SSD side by side, the M5 Ultra tested unit costs $4,200 more today than the M3 Ultra did at launch. Maxing out the M5 Ultra with a 16TB SSD brings the price to $18,299, and that is before the 512GB RAM option becomes available, which will easily push the total to more than $20,000.
If you're concerned about your budget, purchasing external high-speed Thunderbolt storage is strongly recommended rather than paying Apple's steep $500-per-terabyte internal upgrade costs.
Winner: Mac Studio (2025, M3 Ultra)
And The Winner Is...
Apple Mac Studio (2026, M5 Ultra)
There is a lot to love about both the 2025 and 2026 Mac Studio models. They're the pinnacle of Apple's desktop offerings and, simply put, the best of the best in their respective years. If you already own a Mac Studio, especially the 2025 model with M3 Ultra, you got a good deal at the time, given the recent price hikes and the port count.
However, if your workflows are directly bottlenecked by single-thread IPC latency, lack the necessary local LLM memory bandwidth, or demand best-in-class performance for live video production via RDMA clustering or Genlock, it's time to upgrade to the faster M5 Ultra. It comes at a steep premium, but the newer hardware is more cost-effective over time, giving you more bang for the buck and helping you enjoy top performance for longer. In short, the Mac Studio with M5 Ultra successfully earned our Editors' Choice award thanks to higher processing power, more capable display and video support, and best-in-class AI support among Macs.
