ASRock Radeon RX 9070 XT Steel Legend Dark VS Asus TUF Gaming Radeon RX 9070 XT OC Edition

Both cards share an identical foundation: the same 1660 MHz base clock, 4096 shading units, 256 TMUs, 128 ROPs, and 2518 MHz memory speed. This means the underlying GPU silicon and memory subsystem are equivalent, and any performance difference between them comes down entirely to how aggressively each manufacturer has tuned the boost behavior.

That difference centers on the GPU turbo clock. The Asus TUF Gaming RX 9070 XT OC Edition boosts to 3060 MHz, while the ASRock Steel Legend Dark peaks at 2970 MHz — a gap of 90 MHz, or roughly 3%. This directly flows through to every throughput metric: the TUF OC edges ahead with 50.14 TFLOPS of floating-point performance versus 48.6 TFLOPS, a 783.4 GTexels/s texture rate versus 760.3 GTexels/s, and a 391.7 GPixel/s pixel rate versus 380.2 GPixel/s. In practice, a ~3% compute advantage of this kind typically translates to single-digit frame rate gains in GPU-bound scenarios — noticeable in benchmarks but unlikely to be felt in most real-world gaming sessions.

Based strictly on the provided specs, the Asus TUF Gaming OC Edition holds a clear, if modest, performance edge in this group thanks to its higher turbo clock driving superior throughput across all compute metrics. The ASRock Steel Legend Dark is not far behind, but if raw peak performance is the priority, the TUF OC is the stronger choice here.

The memory configurations of these two cards are completely identical across every measurable dimension. Both feature 16GB of GDDR6 running on a 256-bit bus at an effective speed of 20000 MHz, delivering 644.6 GB/s of peak memory bandwidth. That bandwidth figure is substantial for this class of GPU — enough to comfortably feed the shader array at 4K and keep texture streaming smooth even in memory-intensive open-world titles.

The shared support for ECC memory is worth noting. Typically associated with workstation and compute hardware, ECC allows the GPU to detect and correct single-bit memory errors, which adds a layer of reliability relevant to content creators or anyone using the card for GPU compute workloads alongside gaming.

This group is an unambiguous tie. There is no differentiator to weigh — every spec is a perfect match. Memory performance will be indistinguishable between the two cards in any real-world scenario, so buyers should look to other specification groups to separate them.

Feature parity is total here. Both cards run on DirectX 12 Ultimate, which unlocks the full suite of modern rendering features including hardware-accelerated ray tracing, mesh shaders, and variable rate shading — and both confirm ray tracing support explicitly. On the compute and compatibility side, OpenGL 4.6 and OpenCL 2.2 ensure broad support across creative and scientific workloads alike.

The upscaling picture is the same for both: no DLSS (expected, as that is Nvidia-exclusive), no XeSS with XMX acceleration, but full support for FSR4 — AMD's latest upscaling generation, which brings meaningful image quality improvements over its predecessors and is increasingly supported in new titles. Paired with AMD SAM (Smart Access Memory), both cards can benefit from reduced CPU bottlenecking on compatible AMD platforms. Neither carries an LHR limiter, which is a non-issue for gamers but worth knowing for compute users.

Once again, this group yields a definitive tie — every feature flag is identical, down to RGB lighting and support for up to 4 simultaneous displays. There is nothing in the feature set to differentiate these two cards; the choice between them must rest on performance, cooling, design, or price.

Port selection is identical on both cards: one HDMI 2.1b output and three DisplayPort outputs, totaling four display connections — which aligns with the four-display maximum noted in the Features group. HDMI 2.1b is the latest revision of the standard, capable of handling 4K at 144Hz or 8K at 60Hz without compression, making it well-suited for high-refresh gaming monitors and modern TVs alike.

The absence of USB-C is the one notable omission shared by both cards. For users who rely on USB-C for display output to ultrawide or portable monitors, an adapter will be required — but this is a limitation of both equally, not a differentiator.

No edge exists between these two cards in this category. The port layout is a perfect match, and the quality of those connections — anchored by HDMI 2.1b — is strong for both. Connectivity should not factor into the buying decision here.

At their core, these two cards are built from the same silicon: identical RDNA 4.0 architecture, a 4nm process node, 53.9 billion transistors, and a shared 304W TDP. The 4nm fabrication is what enables this level of performance within that power envelope, and both cards draw on it equally. PCIe 5.0 support future-proofs the interface connection, though real-world bandwidth gains over PCIe 4.0 are negligible for current GPU workloads.

Where this group does produce a meaningful difference is physical size. The ASRock Steel Legend Dark measures 298 × 131 mm, while the Asus TUF Gaming OC Edition is noticeably larger at 330 × 140 mm — that is 32mm longer and 9mm taller. For builders working with compact mid-tower cases or those with tight clearance around the PCIe slot, the ASRock's smaller footprint is a genuine practical advantage. The TUF's larger dimensions likely accommodate a bigger heatsink and fan array, which may influence thermal and acoustic performance, but no cooling data is present in this group to confirm that.

On the specs provided here, the ASRock Steel Legend Dark has a tangible edge for space-constrained builds. Both cards are thermally equivalent on paper at 304W TDP, so the size difference is the only factor to weigh in this group — and it clearly favors the ASRock for smaller chassis compatibility.