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Inno3D GeForce RTX 5080 X3 specifications and in-depth review

Inno3D GeForce RTX 5080 X3

Manufacturer: Inno3D

The Inno3D GeForce RTX 5080 X3 is a high-end 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 running across a 256-bit bus, delivering a maximum memory bandwidth of 960 GB/s thanks to an effective memory speed of 30,000 MHz. The card measures 300mm in length and 116mm in height, and draws up to 360W as defined by its thermal design power rating. RGB lighting is included, and the cooler relies on air cooling rather than a liquid solution.

On the processing side, the RTX 5080 X3 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, and the chip supports double precision floating point. The base GPU clock runs at 2,295 MHz with a turbo frequency of 2,617 MHz. Feature support covers DirectX 12 Ultimate, OpenGL 4.6, OpenCL 3, ray tracing, DLSS, Intel Resizable BAR, and stereoscopic 3D. For display connectivity, the card provides one HDMI 2.1b port and three DisplayPort outputs, allowing up to four displays simultaneously, and it connects to the host system via PCIe 5.

Pros
  • With 16GB of GDDR7 memory running at an effective speed of 30,000 MHz, the card delivers a memory bandwidth of 960 GB/s, which is well-suited to memory-intensive rendering and compute tasks
  • Support for ray tracing and DLSS broadens its compatibility with modern rendering techniques used in current games and applications
  • Four simultaneous display outputs — three DisplayPort and one HDMI 2.1b — offer flexible multi-monitor setups without requiring adapters
  • ECC memory support adds a degree of data integrity that can be valuable in workloads sensitive to memory errors
  • Intel Resizable BAR support allows the CPU to access the full VRAM pool at once, which can benefit data transfer efficiency during rendering
  • RGB lighting is built in, giving users visual customization without needing additional hardware
Cons
  • A TDP of 360W places significant demands on system power delivery and cooling infrastructure, requiring a capable PSU and well-ventilated case
  • The card does not include liquid cooling, which may be a limitation in thermally constrained builds handling sustained heavy workloads
  • At 300mm in length, physical fitment could be a concern in smaller or mid-tower cases with limited GPU clearance
  • There are no USB-C, DVI, or mini DisplayPort outputs, which restricts compatibility with certain older monitors or USB-C display adapters
Who is this for?

This card is well-matched for users running demanding rendering, 3D visualization, or compute-intensive workloads that can take advantage of 56.28 TFLOPS of floating-point performance, 16GB of GDDR7 VRAM, and ECC memory support. The combination of ray tracing, DLSS, and DirectX 12 Ultimate makes it a strong fit for those working with or playing titles that rely on modern rendering pipelines. Users who operate multi-monitor setups will also find the four simultaneous display outputs — three DisplayPort and one HDMI 2.1b — a practical advantage, while Intel Resizable BAR support further suits those looking to optimize data throughput in GPU-heavy workflows.

Who is this NOT for?

The card's 360W TDP makes it a poor fit for users with modest power supplies or systems that lack adequate airflow, as sustained loads will place considerable strain on both. Since cooling is air-based only, those building in compact or thermally restricted enclosures may struggle to maintain stable temperatures under prolonged stress. Additionally, users who rely on USB-C display outputs or legacy DVI connections will find this card incompatible without additional adapters, making it less practical for workflows tied to older display hardware or specific USB-C monitor configurations.

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 Inno3D GeForce RTX 5080 X3 operates at a base GPU clock of 2,295 MHz, boosting up to a turbo frequency of 2,617 MHz. It is equipped with 10,752 shading units, 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 GPixel/s. Floating-point performance stands at 56.28 TFLOPS, and the card supports double precision floating point. GPU memory operates at 1,875 MHz, rounding out a performance profile suited to demanding rendering and compute 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 card features 16GB of GDDR7 VRAM running across a 256-bit memory bus, with an effective memory speed of 30,000 MHz that yields a maximum memory bandwidth of 960 GB/s. ECC memory support is also included, adding a layer of data integrity for workloads where memory accuracy is important.

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 Inno3D GeForce RTX 5080 X3 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. The card is compatible with Intel Resizable BAR and does not include LHR. Multi-display technology is supported with up to four displays simultaneously, and stereoscopic 3D is also available. 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 card's display connectivity consists of three DisplayPort outputs and one HDMI 2.1b port, offering a total of four video outputs. There are no DVI, mini DisplayPort, or USB-C ports present 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 300 mm
height 116 mm

The Inno3D GeForce RTX 5080 X3 is built on the Blackwell architecture, using a 5nm manufacturing process with 45,600 million transistors. It connects to the host system via PCIe 5 and carries a thermal design power rating of 360W. Cooling is handled exclusively by air, with no liquid cooling option included. The card measures 300mm in width and 116mm in height.

Final Verdict

The Inno3D GeForce RTX 5080 X3 is a specification-dense graphics card built around the Blackwell architecture, bringing together a substantial shader count, ray tracing support, DLSS, and 960 GB/s of memory bandwidth from its 16GB GDDR7 configuration. It is clearly aimed at users with demanding rendering, compute, or multi-display needs, and its feature set reflects that focus — from ECC memory support to four simultaneous display outputs. That said, its 360W TDP and air-only cooling mean it rewards a well-prepared system environment, and prospective users should ensure their build can accommodate both the power and thermal demands. For those whose setup meets those requirements, the RTX 5080 X3 represents a technically thorough option within the high-end graphics card segment.

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