Galax GeForce RTX 5080 EX Gamer 1-Click OC specifications and in-depth review

Galax GeForce RTX 5080 EX Gamer 1-Click OC

Manufacturer: Galax

The Galax GeForce RTX 5080 EX Gamer 1-Click OC is a high-end graphics card based on NVIDIA's Blackwell architecture, manufactured on a 5 nm process with 45,600 million transistors. Designed for demanding workloads, it features 56.28 TFLOPS of floating-point performance and ships with RGB lighting and a one-click overclocking function built into the card's design. Running at a base clock of 2295 MHz and a boost of 2617 MHz, it supports up to four displays simultaneously and includes ray tracing and DLSS capabilities.

On the memory side, the card carries 16GB of GDDR7 VRAM across a 256-bit bus, delivering an effective memory speed of 30,000 MHz and a maximum bandwidth of 960 GB/s. The 10,752 shading units work alongside 336 texture mapping units and 112 ROPs, producing a texture rate of 879.3 GTexels/s and a pixel rate of 293.1 GPixels/s. Connectivity is handled through one HDMI 2.1b port and three DisplayPort outputs, with no USB-C outputs present. The card has a TDP of 360W, connects via PCIe 5.0, measures 334 mm in length and 144 mm in height, and relies on air cooling without a water-cooling option.

Pros
  • Supports up to four simultaneous displays, offering flexibility for multi-monitor setups
  • ECC memory support adds a layer of data integrity for workloads sensitive to memory errors
  • Includes ray tracing and DLSS support, enabling access to advanced rendering features
  • Intel Resizable BAR compatibility allows the CPU to access the full GPU frame buffer, which can improve data transfer efficiency
  • RGB lighting is built into the card for users who want visual customization in their build
  • Three DisplayPort outputs alongside one HDMI 2.1b port provide a well-rounded selection of modern connectivity options
Cons
  • A TDP of 360W places significant demands on the system power supply
  • No USB-C output is available, limiting compatibility with certain monitors and display adapters
  • Water cooling is not supported, leaving air cooling as the only thermal management option
  • The card measures 334 mm in length, which may not fit in smaller or mid-tower cases without careful clearance checks
  • With only a 256-bit memory bus, bandwidth scaling is constrained relative to wider-bus configurations at this performance tier
Who is this for?

This card is well-suited to users running demanding rendering workloads, with 56.28 TFLOPS of floating-point performance and DPFP support making it capable of handling compute-intensive tasks alongside real-time 3D applications. The combination of ray tracing, DLSS, and 16GB of GDDR7 VRAM with 960 GB/s bandwidth makes it a strong fit for creators and developers working with high-resolution textures, complex scenes, or GPU-accelerated pipelines. Support for up to four simultaneous displays also makes it practical for multi-monitor workstation setups where screen real estate and display flexibility are priorities.

Who is this NOT for?

Users working within a compact or small-form-factor build will likely find this card difficult to accommodate, as its 334 mm length requires a full-size case with adequate clearance. The 360W TDP demands a robust power supply, making it a poor fit for systems not designed to handle high sustained power draw. Additionally, users who rely on USB-C display connectivity or require a DVI output will find no support for either on this card, limiting its compatibility in certain legacy or specialized display environments.

Performance:

GPU clock speed 2295 MHz
GPU turbo 2617 MHz
pixel rate 293.1 GPixel/s
floating-point performance 56.28 TFLOPS
texture rate 879.3 GTexels/s
GPU memory speed 1875 MHz
shading units 10752
texture mapping units (TMUs) 336
render output units (ROPs) 112
Has Double Precision Floating Point (DPFP)

The Performance section of the Galax GeForce RTX 5080 EX Gamer 1-Click OC reflects a substantial compute profile, with 56.28 TFLOPS of floating-point performance and a GPU boost clock reaching 2617 MHz from a base of 2295 MHz. The card's 10,752 shading units are paired with 336 texture mapping units and 112 render output units, translating into a texture rate of 879.3 GTexels/s and a pixel rate of 293.1 GPixels/s. GPU memory operates at 1875 MHz, and the card supports Double Precision Floating Point (DPFP), broadening its suitability beyond standard rendering workloads.

Memory:

effective memory speed 30000 MHz
maximum memory bandwidth 960 GB/s
VRAM 16GB
GDDR version GDDR7
memory bus width 256-bit
Supports ECC memory

The Galax GeForce RTX 5080 EX Gamer 1-Click OC is equipped with 16GB of GDDR7 VRAM running across a 256-bit memory bus, reaching an effective memory speed of 30,000 MHz and delivering a maximum memory bandwidth of 960 GB/s. The card also supports ECC memory, adding a layer of data integrity for workloads where memory accuracy is a consideration.

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 5080 EX Gamer 1-Click OC supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, covering a broad range of rendering and compute APIs. It includes ray tracing, DLSS, and stereoscopic 3D support, while XeSS (XMX) and LHR are not present on this card. Multi-display technology is supported with a maximum of four simultaneous displays, and the card is compatible with Intel Resizable BAR for improved CPU-to-GPU data throughput. RGB lighting is built in, rounding out the feature set on the hardware side.

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 5080 EX Gamer 1-Click OC offers a total of four video outputs, consisting of three DisplayPort outputs and one HDMI 2.1b port. There are no USB-C, DVI, or mini DisplayPort outputs on this card.

General info:

GPU architecture Blackwell
Thermal Design Power (TDP) 360W
PCI Express (PCIe) version 5
semiconductor size 5 nm
number of transistors 45600 million
Has air-water cooling
width 334 mm
height 144 mm

The Galax GeForce RTX 5080 EX Gamer 1-Click OC is built on the Blackwell architecture, fabricated using a 5 nm process node and integrating 45,600 million transistors. It connects via PCIe 5.0 and carries a Thermal Design Power of 360W. The card measures 334 mm in width and 144 mm in height, and relies solely on air cooling — a water-cooling option is not available on this model.

Final Verdict

The Galax GeForce RTX 5080 EX Gamer 1-Click OC is a capable, specification-dense graphics card built around NVIDIA's Blackwell architecture, and its combination of 960 GB/s memory bandwidth with 16GB of GDDR7 VRAM and 56.28 TFLOPS of compute throughput positions it firmly at the upper end of the consumer GPU market. It covers the essential bases for modern workloads — ray tracing, DLSS, multi-display support, ECC memory, and Intel Resizable BAR compatibility — while the built-in one-click overclocking feature adds a degree of flexibility for users looking to push clocks beyond factory settings. That said, its 360W power requirement and 334 mm length mean it is genuinely suited to full-size, well-equipped systems rather than compact or power-constrained builds. For users whose setup can accommodate its physical and power demands, this card delivers a comprehensive feature set that holds up well across both creative and compute-focused use cases.

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