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Galax GeForce RTX 5080 Magic Blade specifications and in-depth review

Galax GeForce RTX 5080 Magic Blade

Manufacturer: Galax

The Galax GeForce RTX 5080 Magic Blade is a graphics card based on NVIDIA's Blackwell architecture, manufactured on a 5nm process with 45,600 million transistors. It ships with 16GB of GDDR7 memory across a 256-bit bus, delivering a maximum memory bandwidth of 960 GB/s at an effective speed of 30,000 MHz — figures that reflect the generational leap GDDR7 brings to this tier of hardware.

On the rendering side, the card houses 10,752 shading units alongside 336 texture mapping units and 112 render output units, yielding a texture rate of 879.3 GTexels/s and a pixel rate of 293.1 GPixel/s. Floating-point performance reaches 56.28 TFLOPS, with a base GPU clock of 2,295 MHz boosting up to 2,617 MHz. The card carries a 360W thermal design power and connects via PCIe 5. For display output, it provides one HDMI 2.1b port and three DisplayPort outputs, supporting up to four displays simultaneously, and includes support for DirectX 12 Ultimate, ray tracing, and DLSS.

Pros
  • Supports up to four simultaneous display outputs through a combination of three DisplayPort and one HDMI 2.1b port
  • ECC memory support adds a degree of data integrity protection useful in workloads that demand numerical accuracy
  • DLSS and ray tracing support are both present, expanding rendering options for compatible applications
  • Intel Resizable BAR support allows the processor to access the full VRAM pool, which can improve frame delivery in supported scenarios
  • The 256-bit memory bus paired with GDDR7 at 30,000 MHz effective speed yields a maximum bandwidth of 960 GB/s
  • RGB lighting is included for users who factor case aesthetics into their build decisions
Cons
  • A 360W TDP places significant demands on system power delivery and case airflow
  • Air-water cooling is not supported, limiting cooling flexibility to air-only solutions
  • The card measures 316.5 mm in width, which may not fit in smaller or mid-tower cases without careful clearance checks
  • XeSS (XMX) is absent, narrowing upscaling options to DLSS exclusively
  • No USB-C output is available, which restricts direct connectivity to certain monitors or portable displays
Who is this for?

This card is well-suited to users running demanding rendering and compute workloads that benefit from high memory bandwidth and GDDR7 capacity, such as 3D content creation, simulation, or GPU-accelerated tasks that also leverage ECC memory for data accuracy. Gamers and creators who need multi-display setups of up to four screens will find the port configuration practical, and those working with ray tracing or DLSS-enabled applications will be able to take full advantage of both features. The PCIe 5 interface and Intel Resizable BAR support make it a strong fit for modern high-throughput system builds.

Who is this NOT for?

The 360W thermal design power makes this card a poor match for users with constrained power supplies or builds that lack adequate airflow, as the thermal demands are substantial. Its physical width of 316.5 mm means it will not fit comfortably in compact or small-form-factor cases, ruling it out for users targeting a space-efficient desktop. Additionally, since air-water cooling is not supported and there are no USB-C outputs, users who rely on liquid cooling flexibility or require direct connectivity to USB-C monitors will find the card's feature set limiting for their specific setup requirements.

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 this card centers on a base GPU clock of 2,295 MHz that boosts up to 2,617 MHz under turbo conditions, feeding a compute throughput of 56.28 TFLOPS alongside a texture rate of 879.3 GTexels/s and a pixel rate of 293.1 GPixel/s. These figures are supported by 10,752 shading units, 336 texture mapping units, and 112 render output units working in concert. GPU memory operates at 1,875 MHz, and the card also includes Double Precision Floating Point support, which broadens its utility for workloads that require high-accuracy numerical computation.

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 ✓

This card is equipped with 16GB of GDDR7 VRAM running at an effective speed of 30,000 MHz across a 256-bit memory bus, producing a maximum memory bandwidth of 960 GB/s. ECC memory support is also present, adding a layer of data integrity protection useful in precision-sensitive workloads.

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 Magic Blade supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, covering a broad range of graphics and compute APIs. Ray tracing and DLSS are both supported, while XeSS (XMX) is not present. The card includes Intel Resizable BAR support, stereoscopic 3D, multi-display technology across up to four simultaneous outputs, and RGB lighting. It does not carry LHR (Lite Hash Rate) restrictions.

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

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 316.5 mm
height 140.1 mm

Built on the Blackwell architecture and fabricated using a 5nm process, this card integrates 45,600 million transistors and connects to the system via PCIe 5. It carries a thermal design power of 360W and does not feature air-water cooling. Physical dimensions measure 316.5 mm in width and 140.1 mm in height.

Final Verdict

The Galax GeForce RTX 5080 Magic Blade is a specification-dense graphics card built around the Blackwell architecture, and its technical profile reflects that clearly — from the 960 GB/s memory bandwidth delivered by 16GB of GDDR7 to the full suite of ray tracing, DLSS, and DirectX 12 Ultimate support. Its 360W TDP and 316.5 mm width mean it demands a well-specified system to operate at its best, and prospective buyers should plan their build accordingly. For users whose workloads and environments can accommodate those requirements, this card represents a capable option in the high-end graphics card segment with a feature set that covers both gaming and compute use cases effectively.

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