MSI GeForce RTX 5080 Shadow 3X OC specifications and in-depth review

MSI GeForce RTX 5080 Shadow 3X OC

Manufacturer: MSI

The MSI GeForce RTX 5080 Shadow 3X OC is a desktop graphics card from MSI based on NVIDIA's Blackwell architecture, manufactured on a 5 nm process and equipped with 10,752 shading units alongside 336 texture mapping units and 112 render output units. The card operates at a base clock of 2,295 MHz and reaches a boost frequency of 2,640 MHz, delivering 56.77 TFLOPS of floating-point performance and a pixel fill rate of 295.7 GPixels/s.

On the memory side, the card carries 16GB of GDDR7 across a 256-bit bus, reaching an effective speed of 30,000 MHz and a peak bandwidth of 960 GB/s. It supports DirectX 12 Ultimate, OpenGL 4.6, OpenCL 3.0, ray tracing, and DLSS, while connectivity is handled through one HDMI 2.1b port and three DisplayPort outputs, allowing up to four displays simultaneously. The card has a thermal design power of 360W, measures 303 mm in length by 121 mm in height, and connects via a PCIe 5.0 interface.

Pros
  • Supports up to four simultaneous displays through three DisplayPort and one HDMI 2.1b output
  • Equipped with 16GB of GDDR7 memory on a 256-bit bus, delivering a peak bandwidth of 960 GB/s
  • Includes ray tracing and DLSS support, expanding rendering options for compatible workloads
  • ECC memory support adds a layer of data integrity useful for compute-oriented tasks
  • Built on a 5 nm process with 45,600 million transistors, reflecting a high transistor density for this form factor
  • Intel Resizable BAR support allows the CPU to access the full GPU frame buffer, which can benefit certain workloads
Cons
  • A 360W TDP places significant demands on system power delivery and case airflow
  • No USB-C output limits flexibility for connecting certain modern displays or devices
  • Air-water cooling is not supported, restricting cooling options to air-based solutions only
  • No RGB lighting for users who consider it part of their build aesthetic
  • At 303 mm in length, the card may not fit in smaller or compact cases
Who is this for?

This card is well-suited to users who run demanding rendering and compute workloads that benefit from high memory bandwidth and a large VRAM pool, given its 960 GB/s bandwidth and 16GB of GDDR7. The inclusion of ECC memory support also makes it a reasonable fit for workstation-adjacent tasks where data accuracy is important. Users who need to drive multiple displays simultaneously — up to four — through a mix of DisplayPort and HDMI 2.1b outputs will find the connectivity options practical, and those working with ray-traced graphics pipelines will benefit directly from native ray tracing and DLSS support.

Who is this NOT for?

The card's 360W TDP makes it a poor fit for compact or small-form-factor builds where power delivery and thermal headroom are constrained, particularly since air-water cooling is not supported, leaving the system entirely dependent on airflow-based cooling. At 303 mm in length, it may also physically not fit in a range of mid-tower or smaller cases. Users who rely on USB-C display output for monitors or devices will find no support for that connection type, and those with a preference for Intel XeSS or LHR-related workflows will find those features absent on this model.

Performance:

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

The performance section of this card centers on a base GPU clock of 2,295 MHz that boosts up to 2,640 MHz, supported by 10,752 shading units, 336 texture mapping units, and 112 render output units. Floating-point throughput reaches 56.77 TFLOPS, while the texture rate stands at 887 GTexels/s and the pixel fill rate at 295.7 GPixels/s. GPU memory operates at 1,875 MHz, and the card includes support for Double Precision Floating Point (DPFP), rounding out a specification set oriented toward both graphics rendering and compute workloads.

Memory:

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

This card is equipped with 16GB of GDDR7 VRAM running across a 256-bit memory bus, reaching an effective memory speed of 30,000 MHz and a peak bandwidth of 960 GB/s. ECC memory support is also included, adding a layer of data integrity for workloads where memory accuracy is a priority.

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

On the software and feature side, this card supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, covering a broad range of graphics and compute APIs. Ray tracing, DLSS, and stereoscopic 3D are all supported, while XeSS (XMX) and LHR are not present on this model. Multi-display technology is supported with a maximum of four simultaneous displays, and the card is compatible with Intel Resizable BAR for optimized CPU-to-GPU data access. RGB lighting is not included on this card.

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, totaling four display connectors. There are no USB-C, DVI, or mini DisplayPort outputs on this model.

General info:

GPU architecture Blackwell
Thermal Design Power (TDP) 360W
PCI Express (PCIe) version 5
semiconductor size 5 nm
number of transistors 45600 million
Has air-water cooling
width 303 mm
height 121 mm

This card is built on the Blackwell architecture, fabricated using a 5 nm process and integrating 45,600 million transistors. It connects via a PCIe 5.0 interface and carries a thermal design power of 360W. The card does not include air-water cooling, and its physical dimensions measure 303 mm in width and 121 mm in height.

Final Verdict

The MSI GeForce RTX 5080 Shadow 3X OC is a high-specification graphics card built around NVIDIA's Blackwell architecture, and its technical profile reflects that positioning clearly. With 960 GB/s of memory bandwidth delivered through 16GB of GDDR7 across a 256-bit bus, alongside native ray tracing, DLSS support, and ECC memory, it covers a broad range of demanding graphics and compute scenarios. That said, its 360W TDP and reliance on air-only cooling mean it demands a well-ventilated, full-size system to operate effectively. For users whose workloads align with what this card offers — multi-display setups, ray-traced rendering pipelines, or compute tasks requiring data integrity — the MSI GeForce RTX 5080 Shadow 3X OC represents a technically capable and well-equipped option within its category.

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