ASRock Radeon RX 9070 Steel Legend OC specifications and in-depth review

ASRock Radeon RX 9070 Steel Legend OC

Manufacturer: ASRock

The ASRock Radeon RX 9070 Steel Legend OC is a high-performance graphics card designed for demanding workloads. It boasts a base GPU clock speed of 1440 MHz and is built to deliver smooth graphics with support for cutting-edge technologies like DirectX 12 Ultimate and ray tracing.

Equipped with 16GB of GDDR6 VRAM, this card features an effective memory speed of 20000 MHz and a maximum memory bandwidth of 644.6 GB/s. Additionally, its GPU architecture is based on RDNA 4.0, and it offers support for up to 4 displays with HDMI 2.1b and DisplayPort outputs, making it versatile for multi-display setups.

Pros
  • Supports DirectX 12 Ultimate and ray tracing for advanced graphics and visual effects.
  • Equipped with 16GB of GDDR6 VRAM, providing ample memory for handling demanding applications and games.
  • Offers up to 4 display outputs, enabling multi-monitor setups for enhanced productivity or immersive gaming.
  • Supports AMD FSR4 for improved visual performance in supported games.
  • Uses PCIe 5.0, ensuring fast data transfer and compatibility with the latest motherboards.
Cons
  • Lacks support for DLSS, which may limit performance improvements in compatible games.
  • Does not include USB-C, DVI, or mini DisplayPort outputs, limiting connection options for certain displays.
  • Does not feature air-water cooling, which could affect thermal performance in high-demand scenarios.
Who is this for?

The ASRock Radeon RX 9070 Steel Legend OC is well-suited for users who demand high-end gaming performance or professional applications that require advanced graphical capabilities. Its 16GB GDDR6 VRAM and support for ray tracing make it ideal for immersive gaming and rendering tasks that require detailed visuals. Additionally, with support for up to four displays, it’s a great choice for multi-monitor setups, making it perfect for content creators, video editors, or anyone working with large visual workloads.

Who is this NOT for?

This graphics card may not be suitable for users who require specific features like DLSS for performance scaling in supported games, or for those needing more diverse display outputs such as USB-C or mini DisplayPort. Its lack of air-water cooling could also limit its effectiveness in extremely high-demand environments, such as heavy-duty gaming or professional rendering with high heat generation over long periods.

Performance:

GPU clock speed 1440 MHz
GPU turbo 2700 MHz
pixel rate 345.6 GPixel/s
floating-point performance 77.41 TFLOPS
texture rate 604.8 GTexels/s
GPU memory speed 2518 MHz
shading units 3584
texture mapping units (TMUs) 224
render output units (ROPs) 128
Has Double Precision Floating Point (DPFP)

The performance of the ASRock Radeon RX 9070 Steel Legend OC is driven by its impressive specs, including a GPU clock speed of 1440 MHz and a turbo boost of up to 2700 MHz. It delivers a high pixel rate of 345.6 GPixel/s and a strong floating-point performance of 77.41 TFLOPS. With 3584 shading units and 224 texture mapping units (TMUs), it handles complex graphics with ease. Additionally, the GPU memory operates at a speed of 2518 MHz, and the card features 128 render output units (ROPs), making it well-equipped for demanding tasks. The card also supports Double Precision Floating Point (DPFP) operations for more precise calculations in compatible workloads.

Memory:

effective memory speed 20000 MHz
maximum memory bandwidth 644.6 GB/s
VRAM 16GB
GDDR version GDDR6
memory bus width 256-bit
Supports ECC memory

The ASRock Radeon RX 9070 Steel Legend OC is equipped with 16GB of GDDR6 VRAM, providing ample memory for handling demanding workloads. Its memory operates at an effective speed of 20000 MHz, and it supports a maximum memory bandwidth of 644.6 GB/s for fast data transfer. The card features a 256-bit memory bus width and is also capable of supporting ECC memory for improved error correction, making it a reliable choice for tasks requiring precision.

Features:

DirectX version DirectX 12 Ultimate
OpenGL version 4.6
OpenCL version 2.2
Supports multi-display technology
supports ray tracing
Supports 3D
supports DLSS
has FSR4
has XeSS (XMX)
AMD SAM / Intel Resizable BAR AMD SAM
has LHR
has RGB lighting
supported displays 4

The ASRock Radeon RX 9070 Steel Legend OC offers a range of advanced features designed for modern gaming and professional applications. It supports DirectX 12 Ultimate, ray tracing, and multi-display setups, enabling rich graphics and immersive experiences. The card also includes AMD FSR4 for improved visual quality and performance. Additionally, it supports stereoscopic 3D and RGB lighting, offering customization options for your setup. It can drive up to four displays simultaneously, making it versatile for multi-monitor configurations.

Ports:

has an HDMI output
HDMI ports 1
HDMI version HDMI 2.1b
DisplayPort outputs 3
USB-C ports 0
DVI outputs 0
mini DisplayPort outputs 0

The ASRock Radeon RX 9070 Steel Legend OC provides a variety of display options, featuring 1 HDMI port supporting HDMI 2.1b and 3 DisplayPort outputs for flexible connectivity. However, it does not include any USB-C, DVI, or mini DisplayPort outputs, focusing on traditional video connections for high-quality displays.

General info:

GPU architecture RDNA 4.0
release date March 2025
Thermal Design Power (TDP) 220W
PCI Express (PCIe) version 5
semiconductor size 5 nm
number of transistors 53900 million
Has air-water cooling
width 298 mm
height 131 mm

The ASRock Radeon RX 9070 Steel Legend OC is built on the RDNA 4.0 GPU architecture with a 220W TDP and a compact form factor, measuring 298 mm in width and 131 mm in height. It features a 5 nm semiconductor size and houses 53.9 billion transistors for efficient performance. The card uses PCIe 5.0 for faster data transfer but does not include air-water cooling, relying on standard cooling solutions for thermal management.

Final Verdict

The ASRock Radeon RX 9070 Steel Legend OC is a high-performance graphics card designed for gamers and professionals who demand powerful graphical capabilities. With its 16GB GDDR6 VRAM and support for ray tracing, it excels in delivering immersive gaming experiences and demanding rendering tasks. While it may not be the best choice for users seeking features like DLSS or additional display connectivity options, it remains a strong contender for multi-monitor setups and modern gaming. Overall, it is a solid option for those needing high-end graphical performance in a variety of demanding environments.

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