Inno3D GeForce RTX 5080 X3 Gaming OC

Name: Inno3D GeForce RTX 5080 X3 Gaming OC
Brand: Inno3D
SKU: 16565

Manufacturer: Inno3D

The Inno3D GeForce RTX 5080 X3 Gaming OC is a high-end graphics card based on NVIDIA's Blackwell architecture, manufactured on a 5nm process and housing 45,600 million transistors. It ships with 16GB of GDDR7 VRAM across a 256-bit memory bus, delivering an effective memory speed of 30,000 MHz and a peak bandwidth of 960 GB/s. The card supports ray tracing, DLSS, and DirectX 12 Ultimate, and includes RGB lighting along with multi-display support for up to four monitors simultaneously.

On the performance side, the Inno3D RTX 5080 X3 Gaming OC operates at a base GPU clock of 2,295 MHz, reaching a turbo frequency of 2,700 MHz. It features 10,752 shading units, 336 texture mapping units, and 112 render output units, translating into a floating-point throughput of 58.06 TFLOPS and a texture rate of 907.2 GTexels/s. The card connects via PCIe 5.0 and has a rated TDP of 360W, with physical dimensions of 300mm in length and 120mm in height. Display output is handled through one HDMI 2.1b port and three DisplayPort connections, while Intel Resizable BAR support is included.

Pros

Supports up to four displays simultaneously, offering flexibility for multi-monitor setups
GDDR7 memory with a 960 GB/s bandwidth ceiling enables fast data throughput for demanding workloads
ECC memory support adds a layer of data integrity for tasks sensitive to memory errors
Includes ray tracing and DLSS support, expanding compatibility with modern rendering features
Intel Resizable BAR support allows the CPU to access the full GPU frame buffer, which can improve data transfer efficiency
58.06 TFLOPS of floating-point performance and DPFP support make the card capable of handling both graphics and compute-intensive workloads

Cons

360W TDP places significant demands on system power delivery and case airflow
No water cooling option is available on this model, relying entirely on air cooling to manage thermals at 360W
No USB-C output is present, limiting connectivity options for users with USB-C monitors or devices
A single HDMI port may be restrictive for users who rely primarily on HDMI connections
At 300mm in length, the card may not fit in compact or smaller form-factor cases

Who is this for?

This card is well-suited for users running demanding graphics and compute workloads that benefit from high floating-point throughput, large VRAM capacity, and fast memory bandwidth. The 16GB of GDDR7 memory at 960 GB/s makes it a solid fit for tasks such as 3D rendering, simulation, and content creation pipelines that require both speed and data integrity — the latter further supported by ECC memory. Users who need multi-monitor configurations of up to four displays will find the output selection practical, and those working with modern real-time rendering pipelines will benefit from native ray tracing and DLSS support.

Who is this NOT for?

The card's 360W TDP makes it a poor fit for users with compact builds or systems that lack robust power delivery and airflow, as the thermal and electrical demands are substantial for smaller enclosures. Since there is no water cooling option included, users in thermally constrained environments may struggle to keep temperatures in check under sustained load. Additionally, the absence of a USB-C display output means users whose monitors or displays rely exclusively on USB-C connectivity will find this card incompatible with their setup without additional adapters or hardware changes.

Performance:

GPU clock speed	2295 MHz
GPU turbo	2700 MHz
pixel rate	302.4 GPixel/s
floating-point performance	58.06 TFLOPS
texture rate	907.2 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 Inno3D GeForce RTX 5080 X3 Gaming OC centers on a GPU base clock of 2,295 MHz that boosts up to 2,700 MHz under load, paired with a GPU memory speed of 1,875 MHz. The card houses 10,752 shading units alongside 336 texture mapping units and 112 render output units, yielding a texture rate of 907.2 GTexels/s and a pixel rate of 302.4 GPixel/s. Overall compute throughput reaches 58.06 TFLOPS of floating-point performance, and the chip includes support for Double Precision Floating Point (DPFP), making it capable of handling workloads that require 64-bit precision.

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 is equipped with 16GB of GDDR7 VRAM running across a 256-bit memory bus, reaching an effective memory speed of 30,000 MHz and a maximum bandwidth of 960 GB/s. ECC memory support is also present, allowing the GPU to detect and correct certain types of memory errors — a useful capability for workloads that require data integrity.

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 card supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, covering a broad range of modern graphics and compute APIs. Ray tracing and DLSS are both supported, while XeSS (XMX) is not present. Multi-display output is available for up to four screens simultaneously, and stereoscopic 3D is also supported. On the system side, Intel Resizable BAR is included to help improve data throughput between the CPU and GPU, and LHR is not implemented on this card. RGB lighting is built in, rounding out the feature set.

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, totaling four display connections. There are no USB-C, DVI, or mini DisplayPort outputs 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	300 mm
height	120 mm

The card is built on the Blackwell architecture, using a 5nm manufacturing process that integrates 45,600 million transistors onto the die. It connects to the motherboard via PCIe 5.0 and carries a rated TDP of 360W. Cooling is handled through an air-based solution, as water cooling is not included. The card measures 300mm in width and 120mm in height.

Final Verdict

The Inno3D GeForce RTX 5080 X3 Gaming OC is a capable, feature-rich graphics card built on the Blackwell architecture, bringing together a strong compute throughput, 16GB of GDDR7 memory, and broad API support into a single package. Its 960 GB/s memory bandwidth and ECC support make it particularly well-suited for workloads that demand both speed and reliability, while ray tracing, DLSS, and multi-display output round out a well-equipped feature set. The card's high TDP and reliance on air cooling are factors that require careful consideration at the system-building stage, and the lack of USB-C output is a minor but real limitation for certain users. Overall, the RTX 5080 X3 Gaming OC is a solid choice for users who need serious graphics and compute capability in a well-connected, display-ready package — provided their system is prepared to meet its power and thermal requirements.