Radeon RX 9070 Specs in 2026: XT vs Non-XT Compared

The Radeon RX 9070 XT has 64 compute units, 16 GB of GDDR6 on a 256-bit bus and a 304 W board power rating, while the Radeon RX 9070 drops to 56 compute units and 220 W with the same 16 GB of memory. Both cards use AMD’s Navi 48 chip built on the RDNA 4 architecture, and both fit a PCIe 5.0 x16 slot. If you want the fastest 1440p and entry-level 4K card in the family, the XT is the one to read about; if you care about efficiency and a smaller power supply, the non-XT is the more interesting part.

This guide walks through every number on the spec sheet, explains what it changes in a real build, compares the pair with their closest GeForce rivals, and then sorts the board-partner designs into seven practical picks. All specifications come from AMD’s published product pages and the figures repeated by major hardware outlets. Board dimensions and connector layouts vary by model, so check the exact listing of whichever card you shortlist.

Our top picks

Top pickPowerColor Hellhound AMD Radeon RX 9070 XT

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Also greatASRock Radeon RX 9070 XT Challenger 16GB

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Also greatSapphire 11348-03-20G Pulse AMD Radeon™ RX 9070

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Also greatASRock Radeon RX 9070 XT Steel Legend

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Quick Comparison of the Picks

The Core Spec Sheet

Both desktop RX 9070 cards share the Navi 48 die, a 4 nm chip with roughly 53.9 billion transistors and a die area near 357 square millimetres. AMD cut the die down differently for each product, which is why the non-XT is not just a lower-clocked XT. The table below sets the main numbers side by side, with the GRE variant included because it comes from the same silicon.

The boost clock for the non-XT card has been reported slightly differently by different outlets, appearing as 2,520 MHz in AMD’s final tables and 2,540 MHz in earlier leaks. Use the lower figure as the official one. Partner cards frequently sit above the reference numbers anyway, so treat the table as a floor rather than a promise.

What the Numbers Mean in Practice

Compute units and clocks

The XT has about 14 percent more compute units than the non-XT and a higher clock ceiling. Multiply the two advantages and the theoretical single-precision throughput lands near 48.7 teraflops for the XT against roughly 36.1 for the non-XT, a gap of about a third on paper. In games the gap is usually smaller, often in the region of 15 to 20 percent, because memory bandwidth and processor limits flatten the difference. At 1080p with a mid-range processor the two cards can look almost identical; at 4K with demanding settings the XT pulls ahead more clearly.

Memory capacity and bandwidth

Sixteen gigabytes is the headline feature of this pair. Modern titles with high-resolution texture packs and ray tracing can pass 12 GB at 1440p, and several current releases suggest 16 GB for 4K. Both cards carry the same 20 Gbps GDDR6 on a 256-bit bus, giving 640 GB/s. That means the cheaper non-XT does not give up memory capacity or bandwidth, only compute. If you play at 1440p with textures set to high, the non-XT is rarely memory-starved.

Infinity Cache

Both cards include 64 MB of third-generation Infinity Cache. This on-die cache serves frequently reused data without going out to the memory chips, effectively multiplying the usable bandwidth. It is one reason a 256-bit bus with GDDR6 can compete with rivals that use faster GDDR7 memory.

Board power and power supply sizing

The XT’s 304 W board power is the number that most often changes a purchase. AMD recommends a 750 W power supply for the XT and 650 W for the non-XT. A quality 650 W unit comfortably handles the non-XT with a mainstream eight-core processor; the XT is better paired with 750 W or more so transient spikes do not trip protection. Most partner cards use two or three 8-pin connectors, and a few premium models use the 16-pin connector, so check that your power supply has the right number of cables before ordering.

Display, media and platform features

RDNA 4 cards offer DisplayPort 2.1a, HDMI 2.1b and hardware AV1 encoding and decoding, which helps both streaming and video editing. The PCIe 5.0 x16 interface is backwards compatible, so the cards work on older PCIe 4.0 boards with little practical loss at these performance levels.

How the Pair Compares With GeForce Rivals

The natural opponents are Nvidia’s RTX 5070 and RTX 5070 Ti. Specifications from Nvidia’s published tables are shown here alongside the AMD cards.

Core counts are not directly comparable between vendors, so ignore that column when judging speed. Early reviews, including TechSpot’s 18-game comparison, found the 9070 XT about 6 percent slower than the RTX 5070 Ti in rasterised games, and GamersNexus put it at roughly 89 percent of the Nvidia card’s performance. Ray tracing is where Nvidia keeps a lead, with the gap ranging from almost nothing in some titles to a factor of two in heavy path-traced ones. The practical takeaways are simple: AMD offers more memory than the RTX 5070 and strong rasterised speed, while Nvidia keeps an edge in ray tracing and in the number of games that support its upscaler.

Best Overall: Large Triple-Fan RX 9070 XT

The biggest partner designs from makers such as Sapphire, PowerColor and ASUS give the 9070 XT the cooling headroom to hold boost clocks through long sessions. They tend to be about three slots thick and well over 300 mm long, with a vapour chamber or a generous heat-pipe array. Pick this class if you want the lowest noise at full load or plan to undervolt for efficiency. Who it is for: players targeting 4K or 1440p at very high refresh rates. Pros: strong cooling, quiet fans, higher power limits. Cons: size, weight and the need for a sturdy support bracket.

Best Value: Mainstream RX 9070 XT

Mainstream dual- or triple-fan XT cards, such as the Sapphire Pulse, ASRock Steel Legend, XFX Swift and Gigabyte Gaming OC lines, run near reference clocks and sit lower in the market than the flagship versions. They are what most buyers should shop for. Who it is for: anyone who wants XT performance without paying for cosmetic extras. Pros: performance within a couple of percent of the top models, more reasonable dimensions. Cons: cooling is adequate rather than silent, and you usually give up a dual BIOS switch and extra fan headroom.

Best Compact: Short RX 9070 XT

A handful of manufacturers sell shorter XT boards for mid-tower cases that cannot fit a 330 mm card. These typically use two fans and a thinner heatsink, so they run warmer and louder under sustained load. Who it is for: small-form-factor and tight-clearance builds where length, not outright speed, is the constraint. Pros: fits more cases and leaves room for front radiators. Cons: higher noise, lower boost residency. Verify the listed length in millimetres against your case’s maximum GPU length before ordering.

Best Efficient: Triple-Fan RX 9070

The non-XT has a 220 W rating, so even a mainstream cooler keeps it quiet. A triple-fan model pushes noise lower still, with fans that barely spin during light gaming. Who it is for: people who value acoustics or whose case has limited airflow, since heat output is roughly 28 percent lower than the XT’s. Pros: low noise, modest power draw, full 16 GB of memory. Cons: you leave performance on the table compared with the XT at 4K.

Best for 650 W Builds: Standard RX 9070

If you are upgrading an older system with a 650 W power supply, a standard dual-fan RX 9070 is the safe route. The 650 W recommendation matches AMD’s own guidance, and two 8-pin connectors are generally enough. Who it is for: upgraders who do not want to replace the power supply. Pros: modest cost, simple installation. Cons: confirm your power supply has two separate PCIe cables rather than one daisy-chained cable, which is a common cause of instability.

Best for Themed Builds: White RX 9070

Partners including Sapphire, PowerColor and ASRock sell white or silver variants. Performance is the same as the standard model; the premium goes to the finish. They suit builds with white cases and lighting where colour-matching matters. Pros: identical performance, cohesive look. Cons: a higher tier of cost, and the same case-length and sag concerns as any large card.

Best Entry to the Silicon: RX 9070 GRE

The RX 9070 GRE began life as a China-only card and later reached global markets. It uses a cut-down Navi 48 with 48 compute units, 12 GB of GDDR6 on a 192-bit bus and a 220 W board power, with 432 GB/s of bandwidth. Who it is for: 1440p players who do not need 16 GB. Pros: lower entry point, same feature set including FSR 4 and AV1. Cons: 12 GB leaves less margin for ray tracing and high-resolution textures in the newest games, and the smaller bus and cache reduce performance at 4K.

How to Choose Between the XT and Non-XT

Work through these questions in order.

• What is your monitor? At 1080p or 1440p at 144 Hz, the non-XT is plenty. At 4K 60 Hz or 1440p at 240 Hz, the XT’s extra compute helps.
• What is your power supply? A 650 W unit points to the non-XT. A 750 W or larger unit leaves both options open.
• How large is your case? Measure the available length, height and slot space. The flagship XT designs are often the largest.
• Do you stream or edit? Both cards have AV1 encoding, so the choice rests on gaming performance rather than media features.
• Do you value ray tracing? If heavy ray tracing is central to your games, weigh an Nvidia alternative as well.

A worked example shows how little running cost should drive the decision. If you game three hours a day and the XT draws 80 W more than the non-XT in your games, that is 0.24 kWh per day, or about 88 kWh per year. At an electricity rate of 0.15 per kWh, the difference works out to roughly 13 units of currency a year. The choice is better made on case size, noise and performance than on the power bill.

Reading Partner Spec Labels

Retail listings add several numbers that do not appear in AMD’s table, and misreading them is a common source of disappointment. Here is what each one tells you.

• Boost clock above reference: A factory-overclocked label might add 50 to 100 MHz. In practice this changes frame rates by one or two percent, so it should never be the deciding factor.
• Card length and thickness: Listed in millimetres and slots. Add a few millimetres of margin for the power cables that plug into the end or top of the card.
• Power connectors: Two 8-pin cables supply up to 300 W with the slot, three 8-pin leave more headroom for overclocked XT models, and the 16-pin connector needs a native cable or an adapter.
• Dual BIOS switch: A quiet BIOS lowers the power limit and fan curve slightly; a performance BIOS does the reverse. It is handy but not essential.
• Fan stop mode: Fans stay off below a temperature threshold, which makes desktop use silent. Check that the feature is present if you work in a quiet room.
• Warranty length: Partners differ, and some extend coverage when you register the card. Longer coverage is worth a small premium on a card of this class.

Memory size is not a variable between partner models of the same card, so a listing that implies extra video memory on a 9070 or 9070 XT should be treated with suspicion. Every genuine RX 9070 and RX 9070 XT has 16 GB; the only 12 GB card in this family is the GRE.

Ownership Realities

Long, heavy cards sag, so a support bracket protects the slot and the board. Thermal pads and paste on high-power graphics cards can degrade after several years, so plan to check temperatures annually. Keep the driver current, since FSR 4 support and game fixes arrive through driver and game updates. Dust in the fin stack is the most common cause of rising temperatures; blow it out every six months with compressed air, holding the fans still so they do not overspin.

Another ownership point is undervolting. RDNA 4 responds well to a modest voltage reduction and a slightly lowered power limit, which can trim a double-digit percentage off power draw while costing only a few percent of frame rate. This is particularly useful on the XT in warm rooms or small cases, where the extra 80 W of heat is the main complaint. Make changes in small steps, test stability with a repeatable game benchmark, and keep the stock profile saved in case a driver update resets the settings.

Frequently Asked Questions

What is the difference between the RX 9070 and RX 9070 XT?

The XT has 64 compute units and a 304 W board power, while the non-XT has 56 compute units and 220 W. Both use 16 GB of GDDR6 and the same 256-bit bus. The XT is faster, and the non-XT is cooler and quieter.

How much memory do the RX 9070 cards have?

Both have 16 GB of GDDR6 running at 20 Gbps across a 256-bit bus, which gives 640 GB/s of bandwidth. The cut-down RX 9070 GRE has 12 GB on a 192-bit bus.

What power supply do I need for an RX 9070 XT?

AMD recommends 750 W for the XT and 650 W for the non-XT. Use a unit from a reputable brand with enough separate PCIe cables for your chosen model, and check whether the card needs two, three or a 16-pin connector.

Does the RX 9070 work on PCIe 4.0 motherboards?

Yes. The card uses a PCIe 5.0 x16 interface but is backwards compatible. At this performance level, the difference on a PCIe 4.0 slot is small.

Is the RX 9070 XT better than the RTX 5070?

In rasterised games it is generally faster and has more memory, 16 GB against 12 GB. Nvidia keeps an advantage in ray tracing and in the breadth of upscaler support, so the better pick depends on the games you play.