Gigabyte GeForce RTX 5080 Gaming OC
Inno3D GeForce RTX 5080 X3 OC

Gigabyte GeForce RTX 5080 Gaming OC Inno3D GeForce RTX 5080 X3 OC

Overview

Welcome to our head-to-head specification comparison between the Gigabyte GeForce RTX 5080 Gaming OC and the Inno3D GeForce RTX 5080 X3 OC. Both cards are built on the same Blackwell architecture and share an identical memory configuration, yet they differ in areas that may matter to your build — including GPU turbo clock speeds, overall throughput figures, supported display count, and physical dimensions. Read on to see exactly where each card pulls ahead.

Common Features

  • Both cards share a base GPU clock speed of 2295 MHz.
  • Both cards have a GPU memory speed of 1875 MHz.
  • Both cards feature 10752 shading units.
  • Both cards have 336 texture mapping units (TMUs).
  • Both cards have 112 render output units (ROPs).
  • Double Precision Floating Point (DPFP) is supported on both cards.
  • Both cards have an effective memory speed of 30000 MHz.
  • Both cards offer a maximum memory bandwidth of 960 GB/s.
  • Both cards come with 16GB of VRAM.
  • Both cards use GDDR7 memory.
  • Both cards have a 256-bit memory bus width.
  • ECC memory is supported 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 is supported on both cards.
  • XeSS (XMX) is not available on either card.
  • Both cards include 1 HDMI port using HDMI version 2.1b.
  • Both cards feature 3 DisplayPort outputs.
  • Neither card has USB-C ports, DVI outputs, or mini DisplayPort outputs.
  • Both cards are built on the Blackwell GPU architecture.
  • Both cards have a Thermal Design Power (TDP) of 360W.
  • Both cards use PCIe version 5.
  • Both cards are manufactured on a 5 nm semiconductor process.
  • Both cards contain 45600 million transistors.
  • Neither card features air-water cooling.

Main Differences

  • GPU turbo clock speed is 2730 MHz on the Gigabyte GeForce RTX 5080 Gaming OC and 2640 MHz on the Inno3D GeForce RTX 5080 X3 OC.
  • Pixel rate is 305.8 GPixel/s on the Gigabyte GeForce RTX 5080 Gaming OC and 295.7 GPixel/s on the Inno3D GeForce RTX 5080 X3 OC.
  • Floating-point performance is 58.71 TFLOPS on the Gigabyte GeForce RTX 5080 Gaming OC and 56.77 TFLOPS on the Inno3D GeForce RTX 5080 X3 OC.
  • Texture rate is 917.3 GTexels/s on the Gigabyte GeForce RTX 5080 Gaming OC and 887 GTexels/s on the Inno3D GeForce RTX 5080 X3 OC.
  • The number of supported displays is 5 on the Gigabyte GeForce RTX 5080 Gaming OC and 4 on the Inno3D GeForce RTX 5080 X3 OC.
  • Card width is 340 mm on the Gigabyte GeForce RTX 5080 Gaming OC and 300 mm on the Inno3D GeForce RTX 5080 X3 OC.
  • Card height is 140 mm on the Gigabyte GeForce RTX 5080 Gaming OC and 120 mm on the Inno3D GeForce RTX 5080 X3 OC.
Specs Comparison
Gigabyte GeForce RTX 5080 Gaming OC

Gigabyte GeForce RTX 5080 Gaming OC

Inno3D GeForce RTX 5080 X3 OC

Inno3D GeForce RTX 5080 X3 OC

Performance:
GPU clock speed 2295 MHz 2295 MHz
GPU turbo 2730 MHz 2640 MHz
pixel rate 305.8 GPixel/s 295.7 GPixel/s
floating-point performance 58.71 TFLOPS 56.77 TFLOPS
texture rate 917.3 GTexels/s 887 GTexels/s
GPU memory speed 1875 MHz 1875 MHz
shading units 10752 10752
texture mapping units (TMUs) 336 336
render output units (ROPs) 112 112
Has Double Precision Floating Point (DPFP)

Both cards share an identical foundation: the same 2295 MHz base clock, 10752 shading units, 336 TMUs, 112 ROPs, and 1875 MHz memory speed. This means their out-of-the-box, non-boosted behavior is perfectly equivalent, and neither card holds an architectural advantage over the other at the silicon level.

The real differentiator is the boost clock. The Gigabyte Gaming OC reaches a 2730 MHz GPU turbo, compared to 2640 MHz on the Inno3D X3 OC — a 90 MHz gap that cascades directly into every throughput metric. This translates to a floating-point performance edge of 58.71 TFLOPS vs 56.77 TFLOPS (~3.4% higher), a texture rate of 917.3 vs 887 GTexels/s, and a pixel rate of 305.8 vs 295.7 GPixel/s. In practice, a ~3% compute advantage rarely produces dramatic frame rate differences on its own, but it does mean the Gigabyte card sustains slightly higher peak throughput during GPU-bound workloads — whether gaming at high resolutions, running AI inference, or rendering.

The Gigabyte GeForce RTX 5080 Gaming OC holds a clear, if modest, performance edge in this group, driven entirely by its higher boost clock. Both cards support Double Precision Floating Point, so neither has an exclusive feature advantage. For users who prioritize peak throughput and will push the GPU hard under sustained loads, the Gigabyte is the stronger pick based purely on these specs.

Memory:
effective memory speed 30000 MHz 30000 MHz
maximum memory bandwidth 960 GB/s 960 GB/s
VRAM 16GB 16GB
GDDR version GDDR7 GDDR7
memory bus width 256-bit 256-bit
Supports ECC memory

The memory specifications for both the Gigabyte GeForce RTX 5080 Gaming OC and the Inno3D GeForce RTX 5080 X3 OC are identical across the board. Both cards feature an effective memory speed of 30000 MHz, ensuring that the memory operates at the same high speed in both models. They also share the same maximum memory bandwidth of 960 GB/s, providing ample bandwidth for demanding tasks.

In terms of VRAM, both cards come equipped with 16GB of memory, which is a generous amount for modern gaming and professional workloads. The memory on both models utilizes the GDDR7 standard, which delivers improved efficiency and performance compared to previous generations of GDDR memory.

Both products also feature a 256-bit memory bus width, ensuring they can efficiently handle large data loads. Additionally, they both support ECC (Error-Correcting Code) memory, which helps ensure data integrity by correcting minor memory errors, making them suitable for high-precision applications.

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 5 4

The Gigabyte GeForce RTX 5080 Gaming OC and the Inno3D GeForce RTX 5080 X3 OC are equipped with identical core features. Both cards support DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, ensuring compatibility with the latest graphics APIs and rendering techniques. They also both support multi-display technology, ray tracing, and 3D rendering, providing users with an immersive visual experience.

Additionally, both models support DLSS (Deep Learning Super Sampling) for enhanced performance and image quality in supported games. Neither card supports XeSS (XMX), meaning neither offers Intel’s alternative to DLSS. Both also include support for Intel’s Resizable BAR (a feature of Intel’s CPUs), but neither supports AMD’s SAM (Smart Access Memory), as both only feature Intel Resizable BAR.

In terms of additional features, both cards lack LHR (Lite Hash Rate), indicating they are not restricted for mining purposes. They also both include RGB lighting, allowing for customizable aesthetics. However, there is a slight difference in the number of supported displays: the Gigabyte model supports 5 displays, while the Inno3D model supports 4 displays.

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

The Gigabyte GeForce RTX 5080 Gaming OC and the Inno3D GeForce RTX 5080 X3 OC share identical port configurations. Both cards feature 1 HDMI output, supporting HDMI 2.1b, which is the latest version for high-quality video and audio output. Additionally, each card has 3 DisplayPort outputs, providing flexibility for connecting multiple displays.

Neither card includes USB-C ports, DVI outputs, or mini DisplayPort outputs, as both are limited to the HDMI and DisplayPort connections mentioned. As such, the connectivity options for both products are essentially the same.

General info:
GPU architecture Blackwell Blackwell
release date January 2025 January 2025
Thermal Design Power (TDP) 360W 360W
PCI Express (PCIe) version 5 5
semiconductor size 5 nm 5 nm
number of transistors 45600 million 45600 million
Has air-water cooling
width 340 mm 300 mm
height 140 mm 120 mm

Both the Gigabyte GeForce RTX 5080 Gaming OC and the Inno3D GeForce RTX 5080 X3 OC share identical GPU architecture, based on the Blackwell design, and they both use a 5 nm semiconductor process. Additionally, both cards are built with the same number of transistors, totaling 45600 million, ensuring similar computational power at the chip level.

In terms of power requirements, both models have a Thermal Design Power (TDP) of 360W, meaning they demand the same amount of power for optimal operation. Both cards also support PCI Express (PCIe) version 5, providing high-speed data transfer capabilities.

For physical dimensions, the Gigabyte model is larger, with a width of 340 mm and a height of 140 mm, compared to the Inno3D model, which measures 300 mm in width and 120 mm in height. Neither card includes air-water cooling, meaning they both rely on traditional air cooling systems.

Comparison Summary & Verdict

After examining the full specification set, these two RTX 5080 cards share a remarkably similar foundation: identical 16GB GDDR7 memory, the same 360W TDP, the same port layout, and the same Blackwell silicon. The real separation comes from factory overclocking and physical size. The Gigabyte GeForce RTX 5080 Gaming OC holds a clear edge in raw performance metrics — its higher 2730 MHz turbo clock, 58.71 TFLOPS of floating-point performance, and support for up to 5 simultaneous displays make it the stronger choice for enthusiasts who want every last frame. The Inno3D GeForce RTX 5080 X3 OC, on the other hand, runs a more conservative 2640 MHz boost clock but compensates with a notably more compact footprint (300 mm x 120 mm vs 340 mm x 140 mm), making it a better fit for smaller chassis builds where space is at a premium.

Gigabyte GeForce RTX 5080 Gaming OC
Buy Gigabyte GeForce RTX 5080 Gaming OC if...

Buy the Gigabyte GeForce RTX 5080 Gaming OC if you want maximum out-of-the-box clock speeds and floating-point performance, or if you need support for up to 5 displays simultaneously.

Inno3D GeForce RTX 5080 X3 OC
Buy Inno3D GeForce RTX 5080 X3 OC if...

Buy the Inno3D GeForce RTX 5080 X3 OC if you are building in a compact case and need a shorter, slimmer card that still delivers strong RTX 5080-class performance.