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Zotac Gaming GeForce RTX 5090 Solid OC specifications and in-depth review

Zotac Gaming GeForce RTX 5090 Solid OC

Manufacturer: Zotac

The Zotac Gaming GeForce RTX 5090 Solid OC is a high-end graphics card from Zotac's Gaming lineup, designed around Nvidia's Blackwell GPU architecture. Built on a 5nm semiconductor process, it packs 21,760 shading units and a boost clock of 2,422 MHz, reflecting the substantial silicon investment that defines this generation. RGB lighting is included, and the card measures 329.7mm in length and 137.8mm in height, making physical fitment a consideration for smaller chassis.

On the memory side, the card carries 32GB of GDDR7 VRAM across a 512-bit bus, reaching an effective speed of 28,000 MHz and delivering up to 1,790 GB/s of bandwidth. Floating-point performance is rated at 105.4 TFLOPS, supported by 680 texture mapping units and 176 render output units. The card supports DirectX 12 Ultimate, OpenGL 4.6, OpenCL 3, ray tracing, and DLSS, and connects to up to four displays through three DisplayPort outputs and one HDMI 2.1b port. It draws power via a PCIe 5.0 interface with a 575W thermal design rating and supports Intel Resizable BAR.

Pros
  • 32GB of GDDR7 VRAM across a 512-bit bus provides substantial memory capacity and bandwidth for demanding workloads
  • Support for ray tracing and DLSS broadens rendering options for compatible applications
  • Up to four displays can be connected simultaneously via three DisplayPort and one HDMI 2.1b output
  • ECC memory support adds a layer of data integrity for error-sensitive tasks
  • DPFP support extends the card's usefulness to double precision compute workloads
  • Intel Resizable BAR support allows the CPU broader access to GPU memory for improved data throughput
Cons
  • 575W TDP places significant demands on system power delivery and case airflow
  • At 329.7mm in length, physical fitment may be a challenge in smaller or mid-tower cases
  • No USB-C output limits connectivity options for certain modern displays and devices
  • Air-water cooling is not supported, restricting cooling solutions to conventional air or separate custom loop setups
  • XeSS (XMX) is not supported, limiting access to that upscaling technology
Who is this for?

This card is well-suited to users running workloads that can take full advantage of 32GB of GDDR7 VRAM and high memory bandwidth, such as those working with large 3D scenes, high-resolution texture assets, or demanding rendering pipelines. The inclusion of DPFP support and ECC memory also makes it a reasonable fit for compute-intensive and data-sensitive tasks where precision and reliability matter. Users who need to connect multiple monitors simultaneously will appreciate the four-display output support across DisplayPort and HDMI 2.1b, and those building systems on a PCIe 5.0 platform with Intel Resizable BAR will be able to leverage the full interface bandwidth.

Who is this NOT for?

The card's 575W TDP makes it a poor fit for builds with limited power headroom, standard ATX power supplies, or cases with restricted airflow, as thermal and electrical demands are considerable. Its length of 329.7mm also means it is unsuitable for compact or smaller form-factor cases where clearance is a concern. Users who rely on USB-C display connectivity or require XeSS upscaling support will find those options absent, and anyone seeking a card that supports air-water hybrid cooling will need to look elsewhere, as that configuration is not available on this model.

Performance:

GPU clock speed 2017 MHz
GPU turbo 2422 MHz
pixel rate 426.3 GPixel/s
floating-point performance 105.4 TFLOPS
texture rate 1647 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 Zotac Gaming GeForce RTX 5090 Solid OC operates with a base GPU clock of 2,017 MHz and a boost speed of 2,422 MHz, while GPU memory runs at 1,750 MHz. Its 21,760 shading units are paired with 680 texture mapping units and 176 render output units, producing a texture rate of 1,647 GTexels/s and a pixel rate of 426.3 GPixel/s. Overall floating-point throughput reaches 105.4 TFLOPS, and the card also supports Double Precision Floating Point (DPFP), broadening its suitability for compute-oriented workloads alongside graphics tasks.

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 at an effective speed of 28,000 MHz across a 512-bit memory bus, yielding a maximum memory bandwidth of 1,790 GB/s. ECC memory support is also included, which helps maintain data integrity in error-sensitive 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 Zotac Gaming GeForce RTX 5090 Solid OC 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, while XeSS (XMX) is not included. The card can drive up to four displays simultaneously and supports multi-display technology, stereoscopic 3D, and Intel Resizable BAR. It does not feature LHR, but RGB lighting is present on the card itself.

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 three DisplayPort outputs and one HDMI 2.1b port. There are no DVI, mini DisplayPort, or USB-C outputs available on this model.

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 329.7 mm
height 137.8 mm

Built on the Blackwell architecture, this card uses a 5nm manufacturing process and integrates 92,200 million transistors, connecting to the system via a PCIe 5.0 interface. It carries a 575W TDP, so adequate system power delivery is an important consideration. The card does not include air-water cooling. Physically, it measures 329.7mm in width and 137.8mm in height.

Final Verdict

The Zotac Gaming GeForce RTX 5090 Solid OC is a specification-dense graphics card built around Nvidia's Blackwell architecture, and its defining characteristic is the combination of 32GB of GDDR7 VRAM on a 512-bit bus with ECC support and DPFP capability — a configuration that extends its relevance well beyond conventional gaming into compute and precision workloads. Ray tracing, DLSS, and four-display output round out a feature set that covers a wide range of professional and enthusiast use cases. That said, its 575W TDP and 329.7mm length impose real infrastructure requirements that will rule it out for many builds. For users with the appropriate platform — a high-capacity power supply, a full-tower chassis, and a PCIe 5.0 motherboard — the RTX 5090 Solid OC delivers a thorough and well-specified package; for anyone whose setup falls short of those demands, the card's capabilities will remain out of reach.

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