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Inno3D GeForce RTX 5080 iChill Frostbite specifications and in-depth review

Inno3D GeForce RTX 5080 iChill Frostbite

Manufacturer: Inno3D

The Inno3D GeForce RTX 5080 iChill Frostbite is a high-end graphics card from Inno3D, built around Nvidia's Blackwell GPU architecture on a 5nm semiconductor process. It houses 10,752 shading units alongside 336 texture mapping units and 112 render output units, with a base clock of 2295 MHz that boosts up to 2715 MHz under load. The card carries RGB lighting and supports up to four simultaneous displays, making it a versatile option for multi-monitor setups.

On the memory side, the card is equipped with 16GB of GDDR7 VRAM across a 256-bit bus, delivering an effective memory speed of 30,000 MHz and a maximum bandwidth of 960 GB/s. It supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, along with ray tracing and DLSS. Connectivity is handled through one HDMI 2.1b port and three DisplayPort outputs. The card has a rated TDP of 360W, connects via PCIe 5.0, and measures 160mm wide by 140mm tall, using a traditional air-cooling solution without a water-cooling option.

Pros
  • Supports up to four simultaneous displays, offering flexibility for multi-monitor setups
  • Includes ray tracing and DLSS support, enabling advanced rendering features in compatible titles
  • ECC memory support adds a layer of data integrity for error-sensitive workloads
  • The 256-bit memory bus paired with 960 GB/s bandwidth allows for substantial data throughput
  • RGB lighting is built in, giving users visual customization options without additional hardware
  • PCIe 5.0 connectivity ensures the card is compatible with the latest motherboard interfaces
Cons
  • A 360W TDP places significant demand on the power supply, requiring a well-specced system build
  • No water-cooling option is available, limiting thermal management to air cooling only
  • The absence of USB-C and DVI outputs reduces flexibility for users with older or specialist display hardware
  • With only one HDMI port, users needing multiple HDMI connections will require adapters or alternative solutions
Who is this for?

This card is well-suited to users who need substantial rendering throughput for demanding graphical workloads, given its 58.38 TFLOPS of floating-point performance, ray tracing support, and DLSS capability. The inclusion of ECC memory and Double Precision Floating Point support also makes it a reasonable fit for compute-oriented and error-sensitive tasks that benefit from memory integrity. Users running multi-display setups of up to four screens will find the output configuration practical, and those on PCIe 5.0 platforms will be able to take full advantage of the card's interface capabilities.

Who is this NOT for?

The card's 360W TDP makes it a poor fit for users with modest or older power supplies, as it demands a well-equipped system to operate stably. Those working in space-constrained or thermally limited builds may also find the air-only cooling and the card's physical dimensions a challenge, since no water-cooling option is available. Additionally, users who rely on DVI outputs or multiple HDMI connections — such as those with legacy displays or certain professional monitor arrays — will find the port layout restrictive, with no DVI, no USB-C, and only a single HDMI output on offer.

Performance:

GPU clock speed 2295 MHz
GPU turbo 2715 MHz
pixel rate 304.1 GPixel/s
floating-point performance 58.38 TFLOPS
texture rate 912.2 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 Inno3D GeForce RTX 5080 iChill Frostbite operates at a base GPU clock of 2295 MHz, boosting up to 2715 MHz under load. It features 10,752 shading units paired with 336 texture mapping units and 112 render output units, producing a texture rate of 912.2 GTexels/s and a pixel rate of 304.1 GPixel/s. Floating-point performance reaches 58.38 TFLOPS, and the GPU memory runs at 1875 MHz. The card also supports Double Precision Floating Point (DPFP), adding utility for workloads that require higher numerical 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, achieving an effective memory speed of 30,000 MHz and a maximum memory bandwidth of 960 GB/s. ECC memory support is included, which helps detect and correct data errors during operation — a useful trait for tasks where memory 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 ✕
has RGB lighting ✓
supported displays 4

The Inno3D GeForce RTX 5080 iChill Frostbite supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, covering a broad range of graphics and compute workloads. It includes ray tracing and DLSS support, along with stereoscopic 3D and multi-display technology for up to four simultaneous outputs. Intel Resizable BAR is supported to allow the CPU broader access to GPU memory, while XeSS (XMX) and LHR are not present on this card. RGB lighting is built in, and the card carries no hash rate limiter.

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 offers a total of four video outputs: three DisplayPort connections and one HDMI 2.1b port. There are no DVI, mini DisplayPort, or USB-C 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 160 mm
height 140 mm

The card is based on the Blackwell GPU architecture, fabricated on a 5nm process with 45,600 million transistors, and connects to the system via PCIe 5.0. It carries a rated TDP of 360W and relies on air cooling, with no water-cooling option available. The card measures 160mm in width and 140mm in height.

Final Verdict

The Inno3D GeForce RTX 5080 iChill Frostbite is a well-specified graphics card built on the Blackwell architecture, bringing together a strong feature set that includes ray tracing, DLSS, ECC memory, and support for up to four simultaneous displays. Its 960 GB/s memory bandwidth backed by 16GB of GDDR7 VRAM positions it firmly for users who need consistent throughput across demanding graphical and compute workloads. That said, its 360W TDP and air-only cooling mean it is best suited to well-equipped systems with adequate power and airflow headroom. For users whose platform and setup can accommodate those requirements, this card represents a technically thorough option within the high-end segment of the graphics card category.

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