Gigabyte GeForce RTX 5090 Gaming OC

Name: Gigabyte GeForce RTX 5090 Gaming OC
Brand: Gigabyte
SKU: 8615

Manufacturer: Gigabyte

The Gigabyte GeForce RTX 5090 Gaming OC is a flagship-tier graphics card based on NVIDIA's Blackwell architecture, manufactured on a 5nm process and packed with 92,200 million transistors. It ships with 32GB of GDDR7 VRAM across a 512-bit memory bus, delivering a maximum memory bandwidth of 1,790 GB/s — a figure that reflects the card's positioning at the top of the consumer GPU segment. With RGB lighting and support for up to four simultaneous displays, it is designed for both high-performance workloads and elaborate multi-monitor setups.

On the performance side, the RTX 5090 Gaming OC runs at a base GPU clock of 2,017 MHz with a boost up to 2,550 MHz, producing a pixel fill rate of 448.8 GPixel/s and a texture rate of 1,734 GTexels/s across its 21,760 shading units and 680 texture mapping units. The card delivers 111 TFLOPS of floating-point throughput and includes support for ray tracing, DLSS, and DirectX 12 Ultimate, alongside OpenGL 4.6 and OpenCL 3.0. Connectivity is handled through one HDMI 2.1b port and three DisplayPort outputs, while the card operates over a PCIe 5.0 interface and carries a rated TDP of 575W. A four-year warranty is included.

Pros

With 32GB of GDDR7 VRAM across a 512-bit bus, the card can handle very large datasets and high-resolution textures without running into memory limitations
Support for up to four simultaneous displays makes it well-suited for multi-monitor setups
Ray tracing and DLSS are both supported, enabling advanced rendering features in compatible applications
ECC memory support adds a layer of data integrity for error-sensitive compute workloads
Intel Resizable BAR is included, allowing the CPU to access the full GPU frame buffer for more efficient data handling
A four-year warranty period offers longer coverage than is typical for consumer graphics cards

Cons

A TDP of 575W places significant demands on system power delivery and cooling infrastructure
The card measures 342mm in length, which may not fit in smaller or mid-tower chassis
Water cooling is not included or supported, leaving heat management entirely dependent on the air cooling solution
There are no USB-C or DVI outputs, which limits compatibility with certain monitors and devices

Who is this for?

This card is well-matched to users who regularly work with large, memory-intensive workloads, such as high-resolution 3D rendering, complex simulations, or GPU-accelerated compute tasks that benefit from ECC memory and 111 TFLOPS of floating-point throughput. The 32GB GDDR7 VRAM and 1,790 GB/s of memory bandwidth also make it a strong fit for content creators and technical users handling massive textures or datasets. Additionally, those running multi-monitor configurations of up to four displays will find the output selection practical, and users with systems built around PCIe 5.0 infrastructure will be able to take full advantage of the card's interface capabilities. Support for ray tracing, DLSS, and DirectX 12 Ultimate makes it relevant for demanding real-time rendering and graphics workloads as well.

Who is this NOT for?

The card's 575W TDP makes it a poor fit for users whose systems lack a high-capacity power supply and robust airflow, as the thermal and electrical demands are substantial. Its 342mm length also means it will not physically fit in compact or smaller form-factor cases, ruling it out for users building space-constrained systems. Those looking for USB-C or DVI display connectivity will find the port selection limiting, and users who prefer or require a water-cooling solution should note that no such option is supported on this card. It is also not well-suited to anyone whose workloads do not justify the power consumption and physical footprint this card brings with it.

Performance:

GPU clock speed	2017 MHz
GPU turbo	2550 MHz
pixel rate	448.8 GPixel/s
floating-point performance	111 TFLOPS
texture rate	1734 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 GPU operates at a base clock of 2,017 MHz, boosting up to 2,550 MHz under load, while the 21,760 shading units and 680 texture mapping units (TMUs) contribute to a texture rate of 1,734 GTexels/s and a pixel fill rate of 448.8 GPixel/s. Floating-point performance is rated at 111 TFLOPS, and the card includes support for Double Precision Floating Point (DPFP), making it capable of handling compute-intensive workloads alongside traditional rendering tasks. The 176 render output units (ROPs) and a GPU memory speed of 1,750 MHz round out the core performance specifications.

Memory:

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

The card is equipped with 32GB of GDDR7 VRAM running across a 512-bit memory bus, with an effective memory speed of 28,000 MHz that yields a maximum memory bandwidth of 1,790 GB/s. ECC memory support is included, which helps maintain data integrity during error-sensitive compute workloads.

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 graphics and compute API requirements. Ray tracing and DLSS are both supported, as is stereoscopic 3D, while XeSS (XMX) and LHR are not present. Multi-display technology is supported with a maximum of four simultaneous outputs, and Intel Resizable BAR is included to help optimize data transfer between the CPU and GPU. RGB lighting is built into the card's design.

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, providing a total of four display connections. There are no USB-C, DVI, or mini DisplayPort outputs included.

General info:

GPU architecture	Blackwell
Thermal Design Power (TDP)	575W
PCI Express (PCIe) version	5
semiconductor size	5 nm
number of transistors	92200 million
warranty period	4 years
Has air-water cooling	✕
width	342 mm
height	152 mm

Built on the Blackwell architecture using a 5nm manufacturing process, the GPU integrates 92,200 million transistors and connects to the system via a PCIe 5.0 interface. It carries a Thermal Design Power (TDP) of 575W and relies on air cooling, as water cooling is not included. The card measures 342mm in width and 152mm in height, and does not include an air-water cooling solution. A four-year warranty is provided.

Final Verdict

The Gigabyte GeForce RTX 5090 Gaming OC is a card built for users whose workloads push the limits of what consumer graphics hardware can handle. Its 32GB of GDDR7 VRAM paired with 1,790 GB/s of memory bandwidth positions it firmly at the high end of the market, and the combination of ray tracing, DLSS, DirectX 12 Ultimate, and ECC memory support gives it relevance across both professional compute and demanding graphics workloads. Those considerations do come alongside real constraints — a 575W TDP, a 342mm footprint, and the absence of water-cooling support mean that system compatibility needs to be carefully evaluated before deployment. For users whose environments can accommodate its requirements, however, the RTX 5090 Gaming OC delivers a specification set that leaves little on the table.