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Inno3D GeForce RTX 5080 iChill X3 specifications and in-depth review

Inno3D GeForce RTX 5080 iChill X3

Manufacturer: Inno3D

The Inno3D GeForce RTX 5080 iChill X3 is a high-end graphics card based on NVIDIA's Blackwell architecture, fabricated on a 5 nm process with 45,600 million transistors. It operates at a base clock of 2295 MHz and reaches a turbo frequency of 2715 MHz, while its 58.38 TFLOPS of floating-point performance reflects the compute capability available within this GPU tier. The card measures 334 mm in length and 148 mm in height, and includes RGB lighting as part of its physical design.

On the memory side, the iChill X3 is equipped with 16GB of GDDR7 VRAM running across a 256-bit bus at an effective speed of 30,000 MHz, delivering up to 960 GB/s of bandwidth with ECC support included. The card carries a 360W TDP and connects via PCIe 5.0. Display output consists of three DisplayPort connections and one HDMI 2.1b port, supporting up to four displays simultaneously. Feature support covers DirectX 12 Ultimate, OpenGL 4.6, OpenCL 3, ray tracing, DLSS, Intel Resizable BAR, and stereoscopic 3D, with double-precision floating-point also present in the specification.

Pros
  • Supports up to four displays simultaneously, making it suited for multi-monitor setups
  • GDDR7 memory with a 960 GB/s bandwidth ceiling and ECC support adds reliability for memory-intensive workloads
  • Ray tracing and DLSS are both supported, enabling access to those rendering features in compatible software
  • The 256-bit memory bus paired with 16GB of VRAM provides a substantial frame buffer for demanding workloads
  • Intel Resizable BAR support allows the CPU broader access to GPU memory, which can improve data throughput in compatible systems
  • RGB lighting is included for users who want visual customization on their build
Cons
  • A 360W TDP places significant power demands on the system, requiring a capable power supply and adequate case airflow
  • The card does not include air-water cooling, so thermal management relies entirely on the bundled air cooler
  • At 334 mm in length, the card requires a case with sufficient clearance, which may exclude smaller form factor builds
  • No USB-C output is available, limiting direct connectivity options for displays or devices that rely on that interface
  • DVI and mini DisplayPort outputs are absent, which could be a constraint for users with older or specialized display equipment
Who is this for?

This card is well-suited to users running demanding rendering and compute workloads that benefit from 16GB of GDDR7 VRAM, 960 GB/s of memory bandwidth, and double-precision floating-point support. Content creators and technical users working with large datasets or GPU-accelerated applications will find the ECC memory support and high shading unit count relevant to their needs. It also fits users who want multi-monitor configurations, given native support for up to four simultaneous displays across three DisplayPort and one HDMI 2.1b output, as well as those who require ray tracing and DLSS in graphics-intensive software environments.

Who is this NOT for?

Users working in small form factor or compact cases may find the 334 mm card length a practical obstacle, as many mini-ITX and some mid-tower enclosures cannot accommodate that footprint. The 360W TDP also makes this card unsuitable for systems without a high-capacity power supply and strong chassis airflow, since it relies entirely on air cooling with no air-water hybrid option available. Additionally, users who depend on USB-C display output or legacy DVI connectivity will find this card's port selection incompatible with their existing display hardware.

Performance:

GPU clock speed 2295 MHz
GPU turbo 2715 MHz
pixel rate 304.1 GPixel/s
floating-point performance 58.38 TFLOPS
texture rate 912.2 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 iChill X3 centers on a base GPU clock of 2295 MHz that scales up to a turbo frequency of 2715 MHz, underpinned by 10,752 shading units, 336 texture mapping units, and 112 render output units. These combine to yield a texture rate of 912.2 GTexels/s and a pixel rate of 304.1 GPixel/s, while floating-point performance reaches 58.38 TFLOPS. GPU memory operates at 1875 MHz, and the card also supports double-precision floating-point (DPFP), broadening its suitability for compute-oriented workloads alongside standard rendering tasks.

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 Inno3D GeForce RTX 5080 iChill X3 carries 16GB of GDDR7 VRAM operating across a 256-bit memory bus at an effective speed of 30,000 MHz, resulting in a maximum memory bandwidth of 960 GB/s. ECC memory support is included, 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 Inno3D GeForce RTX 5080 iChill 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, alongside stereoscopic 3D and multi-display technology spanning up to four screens simultaneously. Intel Resizable BAR is present, while XeSS (XMX) and LHR are not part of this card's feature set. RGB lighting is included on the card itself, rounding out the physical feature offering.

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 Inno3D GeForce RTX 5080 iChill X3 provides a total of four display outputs, consisting of three DisplayPort connections and a single 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 148 mm

The Inno3D GeForce RTX 5080 iChill X3 is built on the Blackwell architecture, using a 5 nm manufacturing process that integrates 45,600 million transistors. It carries a thermal design power of 360W and connects to the system via PCIe 5.0. The card measures 334 mm in width and 148 mm in height, and does not feature air-water cooling. A 5 nm semiconductor size underlies the entire design, keeping the transistor density high within those physical dimensions.

Final Verdict

The Inno3D GeForce RTX 5080 iChill X3 is a well-specified graphics card built around the Blackwell architecture, bringing together a strong set of capabilities including ray tracing, DLSS, and 16GB of GDDR7 VRAM with 960 GB/s of memory bandwidth — backed by ECC support for added reliability in compute-oriented tasks. Its four-display output configuration, DirectX 12 Ultimate support, and Intel Resizable BAR compatibility make it a practical fit for users who need both broad software compatibility and flexible multi-monitor setups. The 360W TDP and 334 mm card length do place real demands on the host system in terms of power delivery and physical clearance, so careful system planning is warranted. For users whose builds can accommodate those requirements, the iChill X3 represents a technically complete offering within the RTX 5080 tier.

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