XFX Mercury Radeon RX 9070 XT OC Gaming Edition

Manufacturer: XFX

The XFX Mercury Radeon RX 9070 XT OC Gaming Edition is a graphics card based on AMD's RDNA 4.0 architecture, manufactured on a 4nm process node with 53,900 million transistors. It ships with 16GB of GDDR6 memory across a 256-bit bus, delivering up to 640 GB/s of memory bandwidth, and supports features such as ray tracing, AMD FSR4, and AMD SAM. The card accommodates up to four simultaneous displays and includes RGB lighting.

On the performance side, the XFX Mercury RX 9070 XT OC reaches a turbo clock of 3100 MHz and posts 50.79 TFLOPS of floating-point throughput, backed by 4096 shading units, 256 TMUs, and 128 ROPs. Its effective memory speed sits at 20,000 MHz, while the pixel rate reaches 396.8 GPixel/s and the texture rate 793.6 GTexels/s. Connectivity includes one HDMI 2.1b port and three DisplayPort outputs, with a rated TDP of 304W and PCIe 5.0 interface support. The card carries a 3-year warranty and measures 360mm in length and 155mm in height.

Pros

Supports up to four simultaneous displays, making it suitable for multi-monitor setups
Ray tracing support is included alongside AMD FSR4 upscaling, expanding rendering options for compatible workloads
16GB of GDDR6 VRAM across a 256-bit bus provides a substantial frame buffer for memory-intensive tasks
ECC memory support adds data integrity for compute-oriented workloads
The card carries no LHR restrictions, leaving compute throughput unrestricted
A 3-year warranty period offers extended coverage relative to many graphics cards

Cons

A 304W TDP places significant demands on system power delivery and case airflow
At 360mm in length, the card may not fit in smaller or mid-tower cases without compatibility checks
DLSS and XeSS upscaling are not supported, limiting upscaling options to AMD FSR4 only
No USB-C or DVI outputs are available, restricting connectivity to DisplayPort and HDMI
Water cooling is not supported or included, leaving thermal management entirely dependent on air cooling

Who is this for?

This card is well matched to users who work across multi-monitor setups, given its support for up to four simultaneous displays via three DisplayPort outputs and one HDMI 2.1b port. The 16GB GDDR6 frame buffer and ECC memory support also make it a reasonable fit for compute and content creation workloads where memory capacity and data integrity matter. Users who want ray tracing capabilities alongside AMD FSR4 upscaling, and who are running AMD-platform systems that can take advantage of Smart Access Memory, will find the feature set aligned with their needs.

Who is this NOT for?

The card's 304W TDP and 360mm length make it a poor choice for users with compact or small-form-factor builds, where power delivery constraints and physical clearance are common limiting factors. Those who rely on DLSS or XeSS upscaling will find neither supported here, which may be a drawback for users tied to those specific technologies. Additionally, the lack of USB-C and DVI outputs means this card is not a good fit for anyone whose display or peripheral ecosystem depends on those connection types.

Performance:

GPU clock speed	1870 MHz
GPU turbo	3100 MHz
pixel rate	396.8 GPixel/s
floating-point performance	50.79 TFLOPS
texture rate	793.6 GTexels/s
GPU memory speed	2518 MHz
shading units	4096
texture mapping units (TMUs)	256
render output units (ROPs)	128
Has Double Precision Floating Point (DPFP)	✓

The Performance section of this card centers on a base GPU clock of 1870 MHz that boosts up to a turbo speed of 3100 MHz, supported by 4096 shading units, 256 texture mapping units, and 128 render output units. Floating-point throughput reaches 50.79 TFLOPS, while the pixel rate and texture rate land at 396.8 GPixel/s and 793.6 GTexels/s respectively. GPU memory operates at 2518 MHz, and the card includes support for Double Precision Floating Point (DPFP), rounding out a broadly capable compute and rendering profile.

Memory:

effective memory speed	20000 MHz
maximum memory bandwidth	640 GB/s
VRAM	16GB
GDDR version	GDDR6
memory bus width	256-bit
Supports ECC memory	✓

This card is equipped with 16GB of GDDR6 VRAM running across a 256-bit memory bus, achieving an effective memory speed of 20,000 MHz and a maximum memory bandwidth of 640 GB/s. ECC memory support is also included, adding a layer of data integrity for workloads where memory accuracy is a priority.

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 card supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 2.2, covering a broad range of graphics and compute API requirements. Ray tracing and stereoscopic 3D are both supported, and AMD FSR4 is available as the upscaling solution, while DLSS and XeSS (XMX) are not supported. Multi-display technology is present with support for up to four simultaneous displays, and AMD SAM (Smart Access Memory) is included for CPU-GPU bandwidth optimization. The card does not carry LHR restrictions, and RGB lighting is built in.

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 card's output configuration consists of three DisplayPort outputs and one HDMI 2.1b port, providing a total of four display connections. There are no USB-C, DVI, or mini DisplayPort outputs on this model.

General info:

GPU architecture	RDNA 4.0
Thermal Design Power (TDP)	304W
PCI Express (PCIe) version	5
semiconductor size	4 nm
number of transistors	53900 million
warranty period	3 years
Has air-water cooling	✕
width	360 mm
height	155 mm

Built on the RDNA 4.0 architecture and fabricated at 4nm, this card integrates 53,900 million transistors and connects via a PCIe 5.0 interface. It carries a thermal design power of 304W and uses air cooling, with no water-cooling option included. The card measures 360mm in width and 155mm in height, and comes backed by a 3-year warranty.

Final Verdict

The XFX Mercury Radeon RX 9070 XT OC Gaming Edition is a graphics card that brings together a strong feature set under the RDNA 4.0 architecture, with its 16GB GDDR6 frame buffer and 640 GB/s of memory bandwidth standing out as particularly capable attributes for demanding rendering and compute workloads. Support for ray tracing, AMD FSR4, ECC memory, and up to four simultaneous displays rounds out a specification list that is well suited to AMD-platform users seeking a broadly capable card. Its physical size and power requirements do narrow the range of compatible systems, and the absence of alternative upscaling technologies will matter to some users, but for those whose setup accommodates it, the XFX Mercury RX 9070 XT OC delivers a comprehensive and well-specified package.