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Manli Polar Fox GeForce RTX 5080 OC specifications and in-depth review

Manli Polar Fox GeForce RTX 5080 OC

Manufacturer: Manli

The Manli Polar Fox GeForce RTX 5080 OC is a high-specification graphics card from Manli, based on NVIDIA's Blackwell architecture. It operates at a base clock of 2295 MHz with a turbo frequency reaching 2640 MHz, and includes RGB lighting along with support for up to four simultaneous displays. The card carries a TDP of 360W and measures 312 mm in length, fitting within the physical footprint typical of enthusiast-class multi-fan cooler designs.

On the memory side, the card is equipped with 16GB of GDDR7 VRAM on a 256-bit bus, delivering an effective memory speed of 30000 MHz and a maximum bandwidth of 960 GB/s. It includes 10752 shading units, 336 texture mapping units, and 112 render output units, yielding a texture rate of 887 GTexels/s and floating-point performance of 56.77 TFLOPS. Feature support covers DirectX 12 Ultimate, OpenGL 4.6, OpenCL 3, ray tracing, DLSS, Intel Resizable BAR, ECC memory, and stereoscopic 3D. Connectivity is handled through one HDMI 2.1b port and three DisplayPort outputs, with no USB-C or DVI outputs present.

Pros
  • Supports up to four displays simultaneously, offering flexible multi-monitor setups
  • GDDR7 memory with a 960 GB/s bandwidth ceiling enables fast data throughput for demanding workloads
  • ECC memory support adds a layer of data integrity protection useful in compute tasks
  • Ray tracing and DLSS are both supported, expanding compatibility with modern rendering techniques
  • The three DisplayPort outputs alongside an HDMI 2.1b port cover a wide range of display connection needs
  • RGB lighting is included for users who want visible customization on their build
Cons
  • A 360W TDP places significant demands on system power delivery and case airflow
  • No air-water cooling hybrid is present, leaving thermal management entirely dependent on the card's air cooler
  • No USB-C output is available, limiting direct connection to displays or devices that rely on that interface
  • Multi-GPU configurations are not supported, restricting scaling options
  • XeSS support is absent, narrowing upscaling compatibility to DLSS only
Who is this for?

This card is well-suited to users who work with GPU-accelerated compute tasks that benefit from DPFP support and ECC memory, such as simulation, data processing, or machine learning inference workloads. It also fits users running multi-display setups of up to four screens, whether for professional content creation, 3D rendering, or high-resolution gaming environments. The combination of ray tracing, DLSS, DirectX 12 Ultimate, and a high texture rate makes it a capable choice for rendering-intensive applications that leverage modern graphics pipelines.

Who is this NOT for?

Users with constrained power delivery infrastructure will find the 360W TDP a genuine obstacle, as it demands a robust PSU and well-ventilated case to maintain stable operation. Those seeking USB-C display connectivity will need to look elsewhere, since no such output is available on this card. Additionally, users interested in multi-GPU configurations or XeSS-based upscaling will find neither supported here, making it a poor fit for workflows or setups that depend on either of those capabilities.

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 the Manli Polar Fox GeForce RTX 5080 OC reflects a substantial set of compute and rendering figures. The GPU runs at a base clock of 2295 MHz, climbing to a turbo frequency of 2640 MHz, while GPU memory operates at 1875 MHz. With 10752 shading units, 336 texture mapping units, and 112 render output units, the card achieves a texture rate of 887 GTexels/s and a pixel rate of 295.7 GPixel/s. Floating-point performance reaches 56.77 TFLOPS, and the chip also supports Double Precision Floating Point (DPFP), making it capable of handling workloads that require 64-bit compute precision.

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 ✓

The card is equipped with 16GB of GDDR7 VRAM running across a 256-bit memory bus, with an effective memory speed of 30000 MHz and a maximum memory bandwidth of 960 GB/s. ECC memory support is included, which allows the card to detect and correct memory errors — a useful capability for compute-oriented workloads where data integrity 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 ✕
multi-GPU 0
has RGB lighting ✓
supported displays 4

The Manli Polar Fox GeForce RTX 5080 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, alongside stereoscopic 3D and multi-display technology spanning up to four screens simultaneously. Intel Resizable BAR is available, while XeSS (XMX) and LHR are not present on this card. Multi-GPU configurations are not supported, and the card does not carry an LHR limiter. RGB lighting is included 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 one HDMI 2.1b port and three DisplayPort outputs, providing a total of four video connections. There are no USB-C, DVI, or mini DisplayPort outputs present 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 312 mm
height 127 mm

Built on the Blackwell architecture and manufactured using a 5 nm process, the GPU integrates 45,600 million transistors and connects via a PCIe 5 interface. It carries a Thermal Design Power of 360W and measures 312 mm in width and 127 mm in height. Cooling is handled without an air-water hybrid solution, as that configuration is not present on this model.

Final Verdict

The Manli Polar Fox GeForce RTX 5080 OC is a well-specified graphics card built around NVIDIA's Blackwell architecture, bringing together a strong compute profile, modern API support, and a versatile four-display output configuration. Its 960 GB/s memory bandwidth backed by GDDR7, combined with ECC support and DPFP capability, gives it genuine utility beyond gaming — extending into compute and rendering workloads where data integrity and precision matter. Prospective users should account for the card's 360W power requirement and the absence of USB-C connectivity or multi-GPU support when planning a build. For those whose systems can accommodate its demands, the Manli Polar Fox RTX 5080 OC presents a thorough feature set aligned with current-generation rendering and compute requirements.

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