Galax GeForce RTX 5090 D Luna OC specifications and in-depth review

Galax GeForce RTX 5090 D Luna OC

Manufacturer: Galax

The Galax GeForce RTX 5090 D Luna OC is a high-end graphics card designed for demanding gaming and professional workloads. It features a base GPU clock speed of 2017 MHz, ensuring efficient performance for various applications.

In terms of memory, the card boasts 32GB of GDDR7 VRAM with an effective memory speed of 28000 MHz, offering substantial bandwidth and speed. With a maximum memory bandwidth of 1790 GB/s, this card is optimized for high-resolution tasks and multi-display setups. It also supports key features like DirectX 12 Ultimate and ray tracing for enhanced visual experiences.

Pros
  • Supports multi-display setups with up to four displays.
  • Includes support for advanced features like ray tracing and DLSS for enhanced graphics performance.
  • Equipped with 32GB of GDDR7 VRAM, offering ample memory for demanding applications.
  • Utilizes PCI Express 5.0 for fast data transfer and improved overall performance.
  • Supports ECC memory for added error correction and reliability.
Cons
  • Does not include support for USB-C, DVI, or mini DisplayPort outputs.
  • Lacks air-water cooling support, potentially limiting cooling options.
  • Large physical size (348 mm in width) may require ample space for installation.
Who is this for?

The Galax GeForce RTX 5090 D Luna OC is ideal for professionals and enthusiasts who require a high-performance graphics card for demanding workloads. With its 32GB of GDDR7 VRAM and support for advanced features like ray tracing and DLSS, it excels in applications such as 3D rendering, gaming at high resolutions, and complex simulations. Its ability to support up to four displays makes it suitable for multi-monitor setups in professional environments.

Who is this NOT for?

This graphics card may not be ideal for users with space constraints or those seeking a low-power solution. With a thermal design power (TDP) of 575W, it requires a powerful PSU and sufficient cooling, which could be a limitation in compact builds. Additionally, its large physical size (348 mm in width) might make installation difficult in smaller cases, and it lacks air-water cooling support, limiting cooling options for extreme use cases.

Performance:

GPU clock speed 2017 MHz
GPU turbo 2452 MHz
pixel rate 431.6 GPixel/s
floating-point performance 106.7 TFLOPS
texture rate 1667 GTexels/s
GPU memory speed 1750 MHz
shading units 21760
texture mapping units (TMUs) 680
render output units (ROPs) 176
Has Double Precision Floating Point (DPFP)

The performance of the Galax GeForce RTX 5090 D Luna OC is driven by a GPU clock speed of 2017 MHz, which can boost up to 2452 MHz with GPU turbo for enhanced speeds. The card offers a substantial floating-point performance of 106.7 TFLOPS, making it suitable for complex computational tasks. With 21760 shading units and 680 texture mapping units (TMUs), it delivers impressive graphical fidelity. It also features a pixel rate of 431.6 GPixel/s and a texture rate of 1667 GTexels/s, ensuring smooth rendering. Additionally, the card supports Double Precision Floating Point (DPFP) for more precise calculations.

Memory:

effective memory speed 28000 MHz
maximum memory bandwidth 1790 GB/s
VRAM 32GB
GDDR version GDDR7
memory bus width 512-bit
Supports ECC memory

The Galax GeForce RTX 5090 D Luna OC is equipped with 32GB of GDDR7 VRAM, offering ample memory for intensive workloads. The card boasts an effective memory speed of 28000 MHz and a high maximum memory bandwidth of 1790 GB/s, ensuring rapid data transfer and smooth performance in demanding applications. Additionally, it features a 512-bit memory bus width and supports ECC memory for added reliability and error correction.

Features:

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

The Galax GeForce RTX 5090 D Luna OC supports a wide range of advanced features for enhanced visual and gaming experiences. It is compatible with DirectX 12 Ultimate and ray tracing, delivering rich graphics and realistic lighting effects. The card also supports DLSS, stereoscopic 3D, and multi-display setups, allowing for a truly immersive experience. Additionally, it includes RGB lighting for customizable aesthetics and supports up to four displays simultaneously.

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 Galax GeForce RTX 5090 D Luna OC offers a variety of output options, including one HDMI 2.1b port and three DisplayPort outputs, allowing for versatile connectivity with monitors and displays. However, it does not feature any USB-C, DVI, or mini DisplayPort outputs. This card supports a maximum of four displays simultaneously, making it suitable for multi-monitor setups.

General info:

GPU architecture Blackwell
release date January 2025
Thermal Design Power (TDP) 575W
PCI Express (PCIe) version 5
semiconductor size 5 nm
number of transistors 92200 million
Has air-water cooling
width 348 mm
height 155 mm

The Galax GeForce RTX 5090 D Luna OC is built on the Blackwell GPU architecture and has a 5 nm semiconductor size, offering advanced efficiency and performance. With a thermal design power (TDP) of 575W, it requires substantial power for optimal operation. The card supports PCI Express 5.0 and features 92,200 million transistors, contributing to its computational capability. Its physical dimensions are 348 mm in width and 155 mm in height, and it does not include air-water cooling support.

Final Verdict

The Galax GeForce RTX 5090 D Luna OC is a high-performance graphics card tailored for demanding users who require advanced graphical capabilities. With 32GB of GDDR7 VRAM and support for features like ray tracing and DLSS, it excels in handling intensive workloads such as gaming, 3D rendering, and simulations. Its support for multi-display setups further enhances its versatility. However, its large size and significant power requirements make it less suitable for compact or low-power systems. Overall, this card is highly recommended for professionals and enthusiasts looking for top-tier performance in high-resolution and multi-monitor environments.

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