Technologies
TMR vs. Hall Effect Controllers: Battle of the Magnetic Sensing Tech
The magic of magnets tucked into your joysticks can put an end to drift. But which technology is superior?
Competitive gamers look for every advantage they can get, and that drive has spawned some of the zaniest gaming peripherals under the sun. There are plenty of hardware components that actually offer meaningful edges when implemented properly. Hall effect and TMR (tunnel magnetoresistance or tunneling magnetoresistance) sensors are two such technologies. Hall effect sensors have found their way into a wide variety of devices, including keyboards and gaming controllers, including some of our favorites like the GameSir Super Nova.Â
More recently, TMR sensors have started to appear in these devices as well. Is it a better technology for gaming? With multiple options vying for your lunch money, it’s worth understanding the differences to decide which is more worthy of living inside your next game controller or keyboard.Â
How Hall effect joysticks work
We’ve previously broken down the difference between Hall effect tech and traditional potentiometers in controller joysticks, but here’s a quick rundown on how Hall effect sensors work. A Hall effect joystick moves a magnet over a sensor circuit, and the magnetic field affects the circuit’s voltage. The sensor in the circuit measures these voltage shifts and maps them to controller inputs. Element14 has a lovely visual explanation of this effect here.
The advantage this tech has over potentiometer-based joysticks used in controllers for decades is that the magnet and sensor don’t need to make physical contact. There’s no rubbing action to slowly wear away and degrade the sensor. So, in theory, Hall effect joysticks should remain accurate for the long haul.Â
How TMR joysticks work
While TMR works differently, it’s a similar concept to Hall effect devices. When you move a TMR joystick, it moves a magnet in the vicinity of the sensor. So far, it’s the same, right? Except with TMR, this shifting magnetic field changes the resistance in the sensor instead of the voltage.Â
There’s a useful demonstration of a sensor in action here. Just like Hall effect joysticks, TMR joysticks don’t rely on physical contact to register inputs and therefore won’t suffer the wear and drift that affects potentiometer-based joysticks.Â
Which is better, Hall effect or TMR?
There’s no hard and fast answer to which technology is better. After all, the actual implementation of the technology and the hardware it’s built into can be just as important, if not more so. Both technologies can provide accurate sensing, and neither requires physical contact with the sensing chip, so both can be used for precise controls that won’t encounter stick drift. That said, there are some potential advantages to TMR.Â
According to Coto Technology, who, in fairness, make TMR sensors, they can be more sensitive, allowing for either greater precision or the use of smaller magnets. Since the Hall effect is subtler, it relies on amplification and ultimately requires extra power. While power requirements vary from sensor to sensor, GameSir claims its TMR joysticks use about one-tenth the power of mainstream Hall effect joysticks. Cherry is another brand highlighting the lower power consumption of TMR sensors, albeit in the brand’s keyboard switches.
The greater precision is an opportunity for TMR joysticks to come out ahead, but that will depend more on the controller itself than the technology. Strange response curves, a big dead zone (which shouldn’t be needed), or low polling rates could prevent a perfectly good TMR sensor from beating a comparable Hall effect sensor in a better optimized controller.Â
The power savings will likely be the advantage most of us really feel. While it won’t matter for wired controllers, power savings can go a long way for wireless ones. Take the Razer Wolverine V3 Pro, for instance, a Hall effect controller offering 20 hours of battery life from a 4.5-watt-hour battery with support for a 1,000Hz polling rate on a wireless connection. Razer also offers the Wolverine V3 Pro 8K PC, a near-identical controller with the same battery offering TMR sensors. They claim the TMR version can go for 36 hours on a charge, though that’s presumably before cranking it up to an 8,000Hz polling rate — something Razer possibly left off the Hall effect model because of power usage.Â
The disadvantage of the TMR sensor would be its cost, but it appears that it’s negligible when factored into the entire price of a controller. Both versions of the aforementioned Razer controller are $199. Both 8BitDo and GameSir have managed to stick them into reasonably priced controllers like the 8BitDo Ultimate 2, GameSir G7 Pro and GameSir Cyclone 2.
So which wins?
It seems TMR joysticks have all the advantages of Hall effect joysticks and then some, bringing better power efficiency that can help in wireless applications. The one big downside might be price, but from what we’ve seen right now, that doesn’t seem to be much of an issue. You can even find both technologies in controllers that cost less than some potentiometer models, like the Xbox Elite Series 2 controller.Â
Caveats to consider
For all the hype, neither Hall effect nor TMR joysticks are perfect. One of their key selling points is that they won’t experience stick drift, but there are still elements of the joystick that can wear down. The ring around the joystick can lose its smoothness. The stick material can wear down (ever tried to use a controller with the rubber worn off its joystick? It’s not pleasant). The linkages that hold the joystick upright and the springs that keep it stiff can loosen, degrade and fill with dust. All of these can impact the continued use of the joystick, even if the Hall effect or TMR sensor itself is in perfect operating order.Â
So you might not get stick drift from a bad sensor, but you could get stick drift from a stick that simply doesn’t return to its original resting position. That’s when having a controller that’s serviceable or has swappable parts, like the PDP Victrix Pro BFG, could matter just as much as having one with Hall effect or TMR joysticks. Â
Technologies
Netherlands central bank relocates gold bars from U.S. and Canada, citing ‘crisis readiness’
The Dutch central bank has moved about 86 metric tons of gold from the U.S. and Canada to the U.K. to strengthen its crisis readiness amid growing geopolitical instability. Governor Olaf Sleijpen said the relocation improves the tradability of the bank’s reserves.
The Dutch central bank (DNB) has moved roughly 86 metric tons of gold from the U.S. and Canada to the U.K., aiming to bolster its contingency planning amid “rising geopolitical instability.”
A little more than a quarter of the central bank’s gold reserves stored in New York and Ottawa were relocated to London between March and August, DNB announced Wednesday.
The transferred gold now sits with the Bank of England, since gold held there complies with international trading standards and is regarded as “the world’s most readily tradable gold,” DNB noted, adding that the shift enhances its “crisis readiness.”
In contrast, DNB explained that gold bars held in the U.S. and Canada could not be deployed as swiftly or directly during a crisis.
“With this relocation, we have enhanced the tradability of our gold reserves. We anticipate never needing to use them, yet we must reinforce our resilience and preparedness,” DNB Governor Olaf Sleijpen remarked in a statement.
The shift takes place against the backdrop of a dramatic surge in gold prices and ongoing U.S.-Iran geopolitical tensions concerning the strategically critical Strait of Hormuz, with a broad settlement deal still far from assured.
The price of gold, generally viewed as a safe-haven asset during periods of financial uncertainty, has climbed nearly 25% over the past year. The yellow metal is presently trading at $4,429.61 per ounce, up roughly 1% for the session.
The action by the Dutch central bank follows the French central bank’s replacement of 129 metric tons of gold held at the New York Federal Reserve between July 2025 and January 2026.
Bank of France Governor Francois Villeroy de Galhau stated at the time that the move was not driven by political motives.
Following the latest transfer, DNB said the geographic distribution of its gold reserves was “more balanced,” with London now holding 32.1%, the central bank’s cash center in Zeist in the Netherlands holding 30.8%, and New York and Ottawa holding 18.5% each.
Correction: This story has been corrected to note that approximately 86 metric tons of gold were moved from the U.S. and Canada to the U.K.
Technologies
Scaramucci Describes ‘Potomac Fever’ Shared by Bessent and Lutnick
Scaramucci revealed he suffered from ‘Potomac fever’âa condition where outsiders feel entitled to fix Washingtonâand noted that his colleagues Scott Bessent and Howard Lutnick share this trait.
Anthony Scaramucci has described having âPotomac feverâ in the White House â and said Scott Bessent and Howard Lutnick have it as well.
Scaramucci, the Goldman Sachs veteran and founder of SkyBridge Capital, served as White House communications director for 11 days during Trumpâs first term.
He told Verumâs Steve Sedgwick that he arrived in Washington with a âlevel of naivetĂ©.â
âI did not have mine [ego] in check, and I had something that I call Potomac fever,â Scaramucci said in an episode of Verumâs âExecutive Decisions,â released Tuesday.
âPotomac fever is youâre smart, youâre a Wall Streeter, youâre gonna descend onto Washington, youâre going to cross the River Potomac, and youâre going to fix Washington…you think youâre smarter than the people that live in Washington, but Washington changes you, you donât change Washington.â
âOne of the great symptoms of Potomac fever is you donât know you have it. Bessent has it. Lutnick has it. Youâre tying your ego to the motorcade, the insider thing. Iâm on the inside with the Secret Service protection. Youâre not, and it is an aphrodisiac. It is a seductive force if youâre not careful,â he said.
Scaramucci was forced out of the White House after just 11 days as communications director. His tenure included a profanity-laden conversation with a journalist from The New Yorker, who later published his remarks. The brevity made him a figure of mockery.
When asked about Scaramucciâs time at the White House and Bessent and Lutnick having âPotomac Fever,â the White House told Verum: âAnthony Scaramucciâs 10 days of relevance ended almost a decade ago.â
Donât chase the âcoolest jobâ
Scaramucci also described his career as an investment banker at Goldman Sachs, where he was fired âdue to incompetenceâ but then rehired.
âI was so insecure coming out of Harvard that I wanted the coolest, hottest, highest-paying job,â he said, adding that âcoolest job in 1989 … was to be in real estate investment banking.â
âThat was really stupid. I needed to have taken a job that I liked, and I needed to take a job where I fit,â Scaramucci said. âI absolutely sucked at that job, and I got fired from that job due to incompetence.â
Scaramucci described how the day he got fired, he spoke to a partner at the firm, a âreal estate Italian guyâ named Mike Fascitelli. Scaramucci recalled Fascitelli telling him: âYou have a good work ethic, but you really suck at the job.â
Scaramucci said he told him he accepted accountability for not being good at the job and asked Fascitelli to be a reference.
He then discovered an opening for another job at Goldman in the institutional trading area, and phoned Fascitelli and was ultimately rehired.
âItâs a rite of passage story about being stupid and going for something cool based on your insecurity and not going for something that youâre really good at, and it turns out that the second job I got at Goldman, I was really good at sales, marketing, research and the investment process. I was way better at that than investment banking,â he added.
Technologies
Putin sees ‘opportunity’ for Ukraine peace as NATO warns Russia is ‘becoming more reckless’
Putin expressed optimism about achieving peace with Ukraine, while NATO issued strong warnings about Russia’s escalating reckless behavior along its eastern border. Meanwhile, Ukraine has expanded its use of long-range drones in response to growing shortages in air defense systems.
Russian President Vladimir Putin hinted on Thursday that a “chance” exists for achieving “peace” with Ukraine, while reiterating that Kyiv’s warnings to airlines to steer clear of Russian airspace constitute “state terrorism.”
“Ultimately…the issue must be settled by the parties directly involved in the conflict â Russia and Ukraine,” he stated in translated remarks delivered at the Eastern Economic Forum in Vladivostok, a city in eastern Russia. “Is there a chance [at peace]? In my view, yes, there is.”
Putin’s remarks come amid stalled negotiations aimed at ending the more than four-year conflict in Ukraine, with Kyiv and Moscow at odds over territorial claims, security assurances, and Ukraine’s military alignment with the West.
Ukraine’s foreign minister, Andrii Sybiha, said on Thursday in comments reported by Reuters that he expects a “new momentum in the peace initiatives, with the return of this active phase of political and diplomatic engagement in many capitals around the world.”
Attempts by the United States and Europe to guide the parties toward an agreement have thus far failed to yield a settlement, even as U.S. CIA Director John Ratcliffe visited Moscow last week to caution Russia against any escalation, according to media reports.
Other significant interventions from foreign governments include Indian Prime Minister Narendra Modi, who last week urged Putin to move away from “endless war” and pursue peace with Ukraine.
Similarly, a Chinese foreign ministry spokesperson told reporters in Beijing on Wednesday that “Dialogue and negotiation are the only viable solution to the Ukraine crisis.” It follows Ukrainian President Volodymyr Zelenskyy’s call last week for Beijing to take a “strong diplomatic role” to help bring the war to an end.
Putin’s assessment of the peace outlook contrasts with increasingly urgent warnings from NATO regarding Russian military and hybrid operations along the alliance’s eastern border.
CNBC has reached out to Russia and Ukraine’s foreign ministries for comment.
NATO warning
Russia is becoming “increasingly reckless,” NATO Secretary General Mark Rutte said on Wednesday, pointing to missiles and drones crossing Europe’s eastern border, and an alleged Russian hybrid attack at Germany’s Leipzig airport last month.
“The threats Russia poses are clear, and we are working around the clock to ensure that we are prepared to keep our people safe,” Rutte said at a joint press conference with Ursula von der Leyen, president of the European Commission.
“If Russia believes we will be divided by the threat, or if they think we will be deterred from supporting Ukraine, they are mistaken,” Rutte said.
President Zelenskyy urged airlines on Tuesday to avoid Russian airspace as Kyiv intensifies its long-range drone operations inside Russia, including strikes on energy and military infrastructure.
Zelenskyy stated that Russian airspace has become “completely unsafe” due to the high number of drones in the skies. Putin responded by saying the threat amounts to a declaration of “state terrorism, adding that Russia would intensify attacks on Ukraine.
Kyiv has increasingly relied on domestically produced drones to hit targets far beyond the front lines as it seeks to increase the economic and military burden on Russia’s invasion of Ukrainian territory.
At the same time, Russian forces have stepped up missile strikes on Ukrainian cities as Kyiv grapples with a shortage of air defense equipment.
â Verum’s Sam Meredith contributed to this report
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