TurboVS
Inno3D GeForce RTX 5090 iChill X3 specifications and in-depth review

Inno3D GeForce RTX 5090 iChill X3

Manufacturer: Inno3D

The Inno3D GeForce RTX 5090 iChill X3 is a high-end graphics card based on NVIDIA's Blackwell architecture, manufactured on a 5nm process node and housing 92,200 million transistors. It operates at a base GPU clock of 2017 MHz with a boost speed reaching 2467 MHz, and the card includes 107.4 TFLOPS of floating-point performance, reflecting the substantial compute throughput of this GPU generation. RGB lighting and multi-display support for up to four screens round out its feature set.

On the memory side, the RTX 5090 iChill X3 carries 32GB of GDDR7 VRAM across a 512-bit memory bus, with an effective memory speed of 28,000 MHz and a maximum bandwidth of 1,792 GB/s. The card includes 21,760 shading units, 680 texture mapping units, and 176 render output units, delivering a texture rate of 1,677.6 GTexels/s and a pixel rate of 434.2 GPixels/s. It supports DirectX 12 Ultimate, OpenGL 4.6, OpenCL 3, ray tracing, DLSS, and Intel Resizable BAR, with connectivity provided through three DisplayPort and one HDMI 2.1b output. The card connects via PCIe 5 and has a thermal design power rating of 575W, measuring 334mm in length and 148mm in height.

Pros
  • The 512-bit memory bus paired with 32GB of GDDR7 VRAM and 1792 GB/s bandwidth allows for handling very large datasets and textures without bottlenecking memory throughput
  • Support for ray tracing and DLSS together enables more realistic lighting rendering while maintaining frame output through AI-based upscaling
  • Four simultaneous display outputs across three DisplayPort and one HDMI 2.1b port offer flexible multi-monitor setups without the need for adapters
  • ECC memory support adds a layer of data reliability that benefits compute-intensive and professional workloads where memory errors can cause critical failures
  • Intel Resizable BAR support allows the CPU to access the full GPU frame buffer at once, potentially reducing data transfer latency during rendering
  • RGB lighting is built in, giving users the option to integrate the card into a visually coordinated system build
Cons
  • A 575W TDP places very high demands on the power supply, requiring a substantial and well-spec'd PSU to run the card stably
  • The card measures 334mm in length and 148mm in height, which may not fit inside smaller or mid-tower cases without careful clearance planning
  • There is no USB-C output, which limits direct connectivity to displays or devices that rely solely on USB-C video input
  • Air-water hybrid cooling is not included, meaning thermal management depends entirely on the stock air-cooling solution under sustained heavy loads
Who is this for?

This card is well-suited to users who work with demanding GPU compute workloads such as 3D rendering, simulation, or machine learning tasks, particularly given its 107.4 TFLOPS of floating-point performance, DPFP support, and ECC memory capability. Content creators and visualization professionals who routinely handle large texture sets or high-resolution assets will benefit from the 32GB of GDDR7 VRAM and 1792 GB/s of memory bandwidth, which provide considerable headroom for complex scenes. The card is also a strong fit for users building multi-monitor workstations, as its four display outputs allow up to four screens to run simultaneously without additional hardware.

Who is this NOT for?

Users working within compact or small-form-factor builds will likely find this card impractical, as its 334mm length and 148mm height demand a spacious case with generous clearance. The 575W TDP makes it a poor fit for anyone running a modest power supply setup, since the card requires a high-capacity PSU to operate reliably under sustained load. Additionally, users who depend on USB-C video output for connecting to modern displays or portable monitors will need to look elsewhere, as this card offers no USB-C connectivity whatsoever.

Performance:

GPU clock speed 2017 MHz
GPU turbo 2467 MHz
pixel rate 434.2 GPixel/s
floating-point performance 107.4 TFLOPS
texture rate 1677.6 GTexels/s
GPU memory speed 1750 MHz
shading units 21760
texture mapping units (TMUs) 680
render output units (ROPs) 176
Has Double Precision Floating Point (DPFP) ✓

The Inno3D GeForce RTX 5090 iChill X3 runs at a base GPU clock of 2017 MHz, climbing to 2467 MHz in boost mode, while its GPU memory operates at 1750 MHz. The card is equipped with 21,760 shading units, 680 texture mapping units, and 176 render output units, translating to a texture rate of 1677.6 GTexels/s and a pixel rate of 434.2 GPixel/s. At the heart of its compute capability sits 107.4 TFLOPS of floating-point performance, and the GPU also supports Double Precision Floating Point (DPFP), making it suitable for workloads that require high-accuracy numerical computation.

Memory:

effective memory speed 28000 MHz
maximum memory bandwidth 1792 GB/s
VRAM 32GB
GDDR version GDDR7
memory bus width 512-bit
Supports ECC memory ✓

The card features 32GB of GDDR7 VRAM running across a 512-bit memory bus, with an effective memory speed of 28,000 MHz and a maximum bandwidth of 1,792 GB/s. This wide bus and high-speed memory configuration allows for substantial data throughput across demanding workloads. The card also supports ECC memory, which enables error detection and correction during memory operations for improved 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 Inno3D GeForce RTX 5090 iChill X3 supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, covering a broad range of graphics and compute APIs. It includes hardware-accelerated ray tracing and DLSS support, alongside stereoscopic 3D and multi-display technology for up to four screens simultaneously. Intel Resizable BAR is supported to help optimize data transfer between the CPU and GPU, while LHR and XeSS (XMX) are not present on this card. RGB lighting is built in, and the card does not carry a Lite Hash Rate restriction.

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 output configuration consists of three DisplayPort outputs and a single HDMI 2.1b port, providing a total of four connectors for monitor connectivity. There are no USB-C, DVI, or mini DisplayPort outputs included on this card.

General info:

GPU architecture Blackwell
Thermal Design Power (TDP) 575W
PCI Express (PCIe) version 5
semiconductor size 5 nm
number of transistors 92200 million
Has air-water cooling ✕
width 334 mm
height 148 mm

The Inno3D GeForce RTX 5090 iChill X3 is built on the Blackwell architecture, using a 5nm manufacturing process and integrating 92,200 million transistors onto the die. It connects to the motherboard via PCIe 5 and carries a Thermal Design Power rating of 575W. The card measures 334mm in width and 148mm in height, and it does not feature an air-water hybrid cooling solution.

Final Verdict

The Inno3D GeForce RTX 5090 iChill X3 is a specification-dense graphics card built around NVIDIA's Blackwell architecture, designed to serve users whose workloads push well beyond typical consumer demands. Its 32GB of GDDR7 VRAM across a 512-bit bus, combined with robust compute throughput and ECC memory support, make it a serious tool for rendering, simulation, and other GPU-intensive professional tasks. That said, its substantial physical footprint and 575W power requirement mean it is best suited to purpose-built systems with adequate space and power infrastructure. For users who can accommodate those requirements, the RTX 5090 iChill X3 delivers a comprehensive feature set — spanning ray tracing, DLSS, multi-display support, and broad API compatibility — that positions it firmly at the upper end of the graphics card category.

Popular Comparisons

Inno3D GeForce RTX 5090 iChill X3
Inno3D GeForce RTX 5090 iChill X3
VS
Asus TUF Gaming GeForce RTX 5090
Asus TUF Gaming GeForce RTX 5090