Inno3D GeForce RTX 5090 X3 OC
MSI GeForce RTX 5090 Ventus 3X

Inno3D GeForce RTX 5090 X3 OC MSI GeForce RTX 5090 Ventus 3X

Overview

When two cards share the same NVIDIA Blackwell architecture, 32GB of GDDR7 memory, and a 575W TDP, the real story lies in the details. In this spec-by-spec comparison between the Inno3D GeForce RTX 5090 X3 OC and the MSI GeForce RTX 5090 Ventus 3X, we explore how each card differentiates itself across boost clocks, compute throughput, physical dimensions, and feature set to help you determine which of these flagship GPUs is the right fit for your next high-end build.

Common Features

  • Both cards share a base GPU clock speed of 2017 MHz.
  • Both cards have a GPU memory speed of 1750 MHz.
  • Both cards feature 21760 shading units.
  • Both cards include 680 texture mapping units (TMUs).
  • Both cards have 176 render output units (ROPs).
  • Double Precision Floating Point (DPFP) support is available on both cards.
  • Both cards have an effective memory speed of 28000 MHz.
  • Both cards come with 32GB of VRAM.
  • Both cards use GDDR7 memory.
  • Both cards feature a 512-bit memory bus width.
  • ECC memory support is available on both cards.
  • Both cards support DirectX 12 Ultimate.
  • Both cards support OpenGL version 4.6.
  • Both cards support OpenCL version 3.
  • Multi-display technology is supported on both cards.
  • Ray tracing is supported on both cards.
  • 3D support is available on both cards.
  • DLSS support is available on both cards.
  • XeSS (XMX) support is not available on either card.
  • Both cards have one HDMI 2.1b output and three DisplayPort outputs, with no USB-C or DVI outputs.
  • Both cards are based on the Blackwell GPU architecture.
  • Both cards have a Thermal Design Power (TDP) of 575W.
  • Both cards use PCIe version 5.
  • Both cards are manufactured on a 5 nm semiconductor process.
  • Both cards contain 92200 million transistors.
  • Neither card features air-water cooling.

Main Differences

  • GPU turbo clock speed is 2452 MHz on the Inno3D GeForce RTX 5090 X3 OC and 2407 MHz on the MSI GeForce RTX 5090 Ventus 3X.
  • Pixel rate is 431.6 GPixel/s on the Inno3D GeForce RTX 5090 X3 OC and 423.6 GPixel/s on the MSI GeForce RTX 5090 Ventus 3X.
  • Floating-point performance is 106.7 TFLOPS on the Inno3D GeForce RTX 5090 X3 OC and 104.8 TFLOPS on the MSI GeForce RTX 5090 Ventus 3X.
  • Texture rate is 1667.4 GTexels/s on the Inno3D GeForce RTX 5090 X3 OC and 1637 GTexels/s on the MSI GeForce RTX 5090 Ventus 3X.
  • Maximum memory bandwidth is 1792 GB/s on the Inno3D GeForce RTX 5090 X3 OC and 1790 GB/s on the MSI GeForce RTX 5090 Ventus 3X.
  • RGB lighting is present on the Inno3D GeForce RTX 5090 X3 OC but not available on the MSI GeForce RTX 5090 Ventus 3X.
  • Card width is 333 mm on the Inno3D GeForce RTX 5090 X3 OC and 325 mm on the MSI GeForce RTX 5090 Ventus 3X.
  • Card height is 137 mm on the Inno3D GeForce RTX 5090 X3 OC and 139 mm on the MSI GeForce RTX 5090 Ventus 3X.
Specs Comparison
Inno3D GeForce RTX 5090 X3 OC

Inno3D GeForce RTX 5090 X3 OC

MSI GeForce RTX 5090 Ventus 3X

MSI GeForce RTX 5090 Ventus 3X

Performance:
GPU clock speed 2017 MHz 2017 MHz
GPU turbo 2452 MHz 2407 MHz
pixel rate 431.6 GPixel/s 423.6 GPixel/s
floating-point performance 106.7 TFLOPS 104.8 TFLOPS
texture rate 1667.4 GTexels/s 1637 GTexels/s
GPU memory speed 1750 MHz 1750 MHz
shading units 21760 21760
texture mapping units (TMUs) 680 680
render output units (ROPs) 176 176
Has Double Precision Floating Point (DPFP)

Both GPUs share the same fundamental silicon configuration — identical base clocks of 2017 MHz, the same 21,760 shading units, 680 TMUs, and 176 ROPs — which confirms they are built on the same RTX 5090 die with no hardware differences at the core level. Memory speed is also identical at 1750 MHz. The real divergence emerges at boost frequency: the Inno3D X3 OC reaches 2452 MHz turbo versus the MSI Ventus 3X at 2407 MHz, a 45 MHz gap that directly reflects Inno3D's factory overclock.

That boost clock difference cascades into every computed performance metric. The Inno3D delivers 106.7 TFLOPS of floating-point throughput against the MSI's 104.8 TFLOPS, a roughly 1.8% lead. Similarly, pixel fill rate comes in at 431.6 GPixel/s versus 423.6 GPixel/s, and texture throughput at 1667.4 GTexels/s versus 1637 GTexels/s. In practice, these margins are narrow enough that real-world gaming frame rates will rarely differ by more than 1–2%, well within run-to-run benchmark variance. Where the gap could be more perceptible is in sustained compute workloads — such as AI inference or rendering — where every sustained TFLOP accumulates over time.

Both cards support Double Precision Floating Point (DPFP), which matters for professional and scientific compute tasks rather than gaming. Overall, the Inno3D X3 OC holds a marginal but consistent performance edge across every throughput metric purely by virtue of its factory overclock. The MSI Ventus 3X is not slower in any architectural sense — it simply runs at a more conservative boost target, which may translate into slightly lower thermals or power draw under load, though those specs fall outside this group.

Memory:
effective memory speed 28000 MHz 28000 MHz
maximum memory bandwidth 1792 GB/s 1790 GB/s
VRAM 32GB 32GB
GDDR version GDDR7 GDDR7
memory bus width 512-bit 512-bit
Supports ECC memory

Both the Inno3D GeForce RTX 5090 X3 OC and MSI GeForce RTX 5090 Ventus 3X offer identical memory specifications. Each card has an effective memory speed of 28000 MHz, ensuring fast data transfer rates. The maximum memory bandwidth is slightly different between the two, with the Inno3D card achieving 1792 GB/s and the MSI card at 1790 GB/s, a minor difference of just 2 GB/s.

Both models are equipped with 32GB of VRAM, providing ample memory capacity for demanding applications. They also both utilize GDDR7 memory, which is the latest memory technology available in this range, and feature a 512-bit memory bus width for efficient data flow.

Additionally, both the Inno3D and MSI cards support Error-Correcting Code (ECC) memory, which helps prevent data corruption and ensures stability during intense computing tasks.

Features:
DirectX version DirectX 12 Ultimate DirectX 12 Ultimate
OpenGL version 4.6 4.6
OpenCL version 3 3
Supports multi-display technology
supports ray tracing
Supports 3D
supports DLSS
has XeSS (XMX)
AMD SAM / Intel Resizable BAR Intel Resizable BAR Intel Resizable BAR
has LHR
has RGB lighting
supported displays 4 4

The Inno3D GeForce RTX 5090 X3 OC and MSI GeForce RTX 5090 Ventus 3X are very similar when it comes to their feature set. Both cards support DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, ensuring compatibility with the latest software and applications. They also support multi-display technology, ray tracing, 3D rendering, and DLSS, making them powerful choices for modern gaming and content creation.

Neither card features XeSS (XMX) support, and both support Intel Resizable BAR, offering efficient memory management for Intel-based systems. They also share the absence of LHR (Lite Hash Rate), meaning they do not have restrictions for cryptocurrency mining performance.

The key difference between the two products is the presence of RGB lighting. The Inno3D card includes RGB lighting, while the MSI card does not. Both models support up to four displays, providing flexibility for multi-monitor setups.

Ports:
has an HDMI output
HDMI ports 1 1
HDMI version HDMI 2.1b HDMI 2.1b
DisplayPort outputs 3 3
USB-C ports 0 0
DVI outputs 0 0
mini DisplayPort outputs 0 0

Both the Inno3D GeForce RTX 5090 X3 OC and MSI GeForce RTX 5090 Ventus 3X offer nearly identical port configurations. Each card features one HDMI output with HDMI 2.1b support, allowing for high-definition video and audio output. Both models also include three DisplayPort outputs, ensuring compatibility with multiple high-resolution displays.

Neither card includes USB-C ports, DVI outputs, or mini DisplayPort outputs, which is consistent across both models.

In summary, the two cards share the same HDMI and DisplayPort specifications, making them equally versatile in terms of display connectivity.

General info:
GPU architecture Blackwell Blackwell
release date April 2025 January 2025
Thermal Design Power (TDP) 575W 575W
PCI Express (PCIe) version 5 5
semiconductor size 5 nm 5 nm
number of transistors 92200 million 92200 million
Has air-water cooling
width 333 mm 325 mm
height 137 mm 139 mm

Both the Inno3D GeForce RTX 5090 X3 OC and MSI GeForce RTX 5090 Ventus 3X share the same GPU architecture, Blackwell, and feature a 575W Thermal Design Power (TDP), indicating similar power consumption and cooling requirements. They also both use the same PCI Express (PCIe) version 5 and have a semiconductor size of 5 nm, contributing to efficient performance and power management.

In terms of transistor count, both cards are identical, with 92,200 million transistors, ensuring high computational capacity. Additionally, neither model features air-water cooling, relying instead on traditional cooling methods.

The main difference between the two cards lies in their physical dimensions. The Inno3D model measures 333 mm in width and 137 mm in height, while the MSI card is slightly smaller, at 325 mm in width and 139 mm in height.

Comparison Summary & Verdict

Both the Inno3D GeForce RTX 5090 X3 OC and the MSI GeForce RTX 5090 Ventus 3X are grounded in the same Blackwell DNA, sharing a 575W TDP, 32GB of GDDR7 memory on a 512-bit bus, and identical support for ray tracing, DLSS, and DirectX 12 Ultimate. Where they diverge is in the finer margins: the Inno3D holds an edge with a higher GPU turbo clock of 2452 MHz, translating into 106.7 TFLOPS of floating-point performance and a texture rate of 1667.4 GTexels/s, plus the added appeal of RGB lighting for builds where aesthetics matter. The MSI Ventus 3X answers with a narrower 325mm footprint, a cleaner no-frills design, and performance figures that trail by only a slim margin at 2407 MHz turbo and 104.8 TFLOPS. Builders chasing every last MHz and a visually striking card will lean toward the Inno3D, while those who prioritize a more compact, understated profile without sacrificing meaningful performance will find the MSI a compelling choice.

Inno3D GeForce RTX 5090 X3 OC
Buy Inno3D GeForce RTX 5090 X3 OC if...

Buy the Inno3D GeForce RTX 5090 X3 OC if you want the highest turbo clock speed, superior floating-point performance, and RGB lighting to complement your build aesthetics.

MSI GeForce RTX 5090 Ventus 3X
Buy MSI GeForce RTX 5090 Ventus 3X if...

Buy the MSI GeForce RTX 5090 Ventus 3X if you prefer a more compact, understated card without RGB lighting while still delivering near-identical real-world performance.