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Inno3D GeForce RTX 4080 Super iChill Frostbite specifications and in-depth review

Inno3D GeForce RTX 4080 Super iChill Frostbite

Manufacturer: Inno3D

The Inno3D GeForce RTX 4080 Super iChill Frostbite is a graphics card built on the Ada Lovelace architecture, fabricated at 5 nm and housing 45,900 million transistors. It operates at a base clock of 2295 MHz and reaches a turbo of 2610 MHz, with RGB lighting included and support for up to four simultaneous display outputs. One aspect worth noting is the card's physical dimensions: at 200 mm wide and 159 mm tall, it presents a notably compact width relative to many cards in this specification range, though its height is somewhat taller than average.

On the memory side, the card is equipped with 16GB of GDDR6X across a 256-bit bus, running at an effective speed of 23,000 MHz and delivering up to 736 GB/s of bandwidth. Its 10,240 shading units, 320 texture mapping units, and 112 ROPs yield a texture rate of 835.2 GTexels/s and a floating-point throughput of 53.45 TFLOPS, with Double Precision Floating Point also supported. The feature set covers DirectX 12 Ultimate, OpenGL 4.6, OpenCL 3, ray tracing, DLSS, stereoscopic 3D, Intel Resizable BAR, and ECC memory, with output provided through one HDMI 2.1a port and three DisplayPort connections.

Pros
  • At 200 mm wide, the card has a notably compact width for its specification tier, making it more compatible with tighter case layouts than many full-length cards in this class
  • The 16GB of GDDR6X memory on a 256-bit bus delivers 736 GB/s of bandwidth, providing substantial throughput for memory-intensive rendering and compute tasks
  • A floating-point throughput of 53.45 TFLOPS and a texture rate of 835.2 GTexels/s reflect a dense compute configuration suited to demanding graphical workloads
  • Ray tracing and DLSS are both supported, enabling hardware-accelerated lighting and AI-assisted upscaling in compatible applications
  • ECC memory support adds error detection and correction, which benefits users running precision-sensitive or data-critical GPU workloads
  • Intel Resizable BAR is included, allowing the CPU more efficient access to the full GPU memory pool during operation
Cons
  • At 159 mm tall, the card has a considerable height that may conflict with clearance constraints in cases with tight vertical space or large CPU coolers nearby
  • The 320W TDP places significant demands on system power delivery and airflow, requiring a well-specified PSU and adequate case ventilation
  • Only one HDMI port is available, which limits users who need to connect multiple HDMI-only displays simultaneously without adapters
  • Air-water cooling integration is not supported, so users seeking liquid cooling compatibility will need to source third-party solutions
  • No USB-C, DVI, or mini DisplayPort outputs are present, restricting direct compatibility with certain display types or legacy hardware
Who is this for?

With a width of just 200 mm, this card is well-suited to users who need a high-specification GPU that fits within space-constrained case layouts where full-length cards would not otherwise be viable. Its 16GB of GDDR6X memory, 736 GB/s of bandwidth, and 53.45 TFLOPS of compute throughput make it a practical fit for demanding rendering and precision compute workloads, particularly where ECC memory support and DPFP add meaningful reliability for data-sensitive tasks. Ray tracing, DLSS, and multi-display support across four outputs round out a feature set that covers most modern graphics use cases without compromise.

Who is this NOT for?

Despite its compact width, the card stands 159 mm tall, which may create vertical clearance conflicts in cases with restricted height or large nearby components such as CPU coolers. The 320W TDP makes it a poor match for builds with modest power supplies or limited airflow, as stable operation depends on a well-provisioned system. Users who require multiple HDMI connections simultaneously or need USB-C display output will also find the single HDMI port and absent USB-C connectivity limiting without additional adapters.

Performance:

GPU clock speed 2295 MHz
GPU turbo 2610 MHz
pixel rate 292.3 GPixel/s
floating-point performance 53.45 TFLOPS
texture rate 835.2 GTexels/s
GPU memory speed 1438 MHz
shading units 10240
texture mapping units (TMUs) 320
render output units (ROPs) 112
Has Double Precision Floating Point (DPFP) ✓

The GPU runs at a base clock of 2295 MHz, climbing to a turbo of 2610 MHz, backed by 10,240 shading units, 320 texture mapping units, and 112 render output units. These produce a texture rate of 835.2 GTexels/s, a pixel rate of 292.3 GPixel/s, and a floating-point throughput of 53.45 TFLOPS. GPU memory operates at 1438 MHz, and Double Precision Floating Point (DPFP) support is included, making the card suitable for workloads that demand high numerical accuracy.

Memory:

effective memory speed 23000 MHz
maximum memory bandwidth 736 GB/s
VRAM 16GB
GDDR version GDDR6X
memory bus width 256-bit
Supports ECC memory ✓

The card is fitted with 16GB of GDDR6X VRAM on a 256-bit memory bus, running at an effective speed of 23,000 MHz and reaching a peak bandwidth of 736 GB/s. ECC memory support is also included, offering error detection and correction for users whose workloads place a premium on data accuracy and reliability.

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 covers DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3 for broad API compatibility across graphics and compute workloads. Ray tracing and DLSS are both supported alongside stereoscopic 3D, and multi-display technology allows up to four outputs to run at the same time. Intel Resizable BAR is present for more efficient CPU-to-GPU memory access, and RGB lighting is included on the card. XeSS (XMX) and LHR are not available on this model.

Ports:

has an HDMI output ✓
HDMI ports 1
HDMI version HDMI 2.1a
DisplayPort outputs 3
USB-C ports 0
DVI outputs 0
mini DisplayPort outputs 0

Display connectivity is handled through four outputs: one HDMI 2.1a port and three DisplayPort outputs. USB-C, DVI, and mini DisplayPort connections are not present on this model.

General info:

GPU architecture Ada Lovelace
Thermal Design Power (TDP) 320W
PCI Express (PCIe) version 4
semiconductor size 5 nm
number of transistors 45900 million
Has air-water cooling ✕
width 200 mm
height 159 mm

Built on the Ada Lovelace architecture using a 5 nm process, the GPU contains 45,900 million transistors and connects via PCIe 4. The card carries a 320W TDP, which sets the minimum power delivery requirement for any compatible system. Its physical footprint measures 200 mm in width and 159 mm in height, and air-water cooling integration is not available on this model.

Final Verdict

The Inno3D GeForce RTX 4080 Super iChill Frostbite makes a compelling case for users who want high-end GPU specifications without the full length penalty that typically comes with them — its 200 mm width and 53.45 TFLOPS of floating-point throughput, backed by 16GB of GDDR6X memory with ECC support, position it well for both demanding graphics workloads and precision compute tasks. System builders should still account for its 159 mm height and 320W TDP, which require adequate case clearance and a capable power delivery setup. For users whose builds can accommodate those requirements, the iChill Frostbite delivers a technically complete and spatially considerate option within the RTX 4080 Super lineup.