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Inno3D GeForce RTX 4070 Super iChill X3 specifications and in-depth review

Inno3D GeForce RTX 4070 Super iChill X3

Manufacturer: Inno3D

The Inno3D GeForce RTX 4070 Super iChill X3 is a graphics card based on NVIDIA's Ada Lovelace architecture, fabricated on a 5 nm process and equipped with 7168 shading units. It operates at a base clock of 1980 MHz, with a boost frequency reaching 2535 MHz, and carries a thermal design power rating of 220W. The card measures 334 mm in length and 148 mm in height, and includes RGB lighting along with a triple-fan cooling solution.

On the memory side, the card features 12GB of GDDR6X running across a 192-bit bus at an effective speed of 21000 MHz, yielding a maximum bandwidth of 504 GB/s. It delivers 36.34 TFLOPS of floating-point performance alongside a texture rate of 567.8 GTexels/s and a pixel rate of 202.8 GPixel/s, backed by 224 TMUs and 80 ROPs. Display connectivity includes one HDMI 2.1a port and three DisplayPort outputs, supporting up to four displays simultaneously. The card is compliant with DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, and supports ray tracing, DLSS, Intel Resizable BAR, and ECC memory.

Pros
  • Supports ray tracing and DLSS, enabling hardware-accelerated visual effects and AI-driven upscaling in compatible applications
  • 12GB of GDDR6X memory with a 504 GB/s bandwidth ceiling provides substantial throughput for demanding rendering tasks
  • Up to four displays can be connected simultaneously via three DisplayPort outputs and one HDMI 2.1a port
  • Intel Resizable BAR support allows the processor to access the full GPU memory pool in a single operation, improving data transfer efficiency
  • ECC memory support adds error-correction capability, which is useful for compute workloads where data integrity matters
  • RGB lighting on the cooler allows visual customization of the card's appearance
Cons
  • The 192-bit memory bus is narrower than what some higher-tier cards in this category offer, which can limit memory bandwidth scaling
  • A 220W TDP places a notable power demand on the system, requiring adequate PSU headroom and case airflow
  • Water cooling is not supported, limiting thermal management options to the air cooler alone
  • No USB-C or DVI outputs are available, restricting connectivity for users with monitors or devices that rely on those interfaces
Who is this for?

This card is well-suited for users running demanding 3D rendering and gaming workloads that benefit from ray tracing, DLSS, and DirectX 12 Ultimate support. The 12GB GDDR6X memory pool and 504 GB/s bandwidth also make it a reasonable fit for content creators and compute-oriented workflows where VRAM capacity and ECC memory support are relevant considerations. Users who need to drive up to four displays simultaneously will also find the output configuration practical for multi-monitor setups.

Who is this NOT for?

Users working in environments where thermal and power constraints are strict may find the 220W TDP difficult to accommodate without a well-ventilated case and a capable power supply. The absence of water cooling support makes this card less appropriate for compact or thermally restricted builds where advanced cooling solutions are needed. Additionally, users requiring USB-C or DVI display connectivity will find the port selection limiting, as neither interface is available on this card.

Performance:

GPU clock speed 1980 MHz
GPU turbo 2535 MHz
pixel rate 202.8 GPixel/s
floating-point performance 36.34 TFLOPS
texture rate 567.8 GTexels/s
GPU memory speed 1313 MHz
shading units 7168
texture mapping units (TMUs) 224
render output units (ROPs) 80
Has Double Precision Floating Point (DPFP) ✓

The Inno3D GeForce RTX 4070 Super iChill X3 runs at a base GPU clock of 1980 MHz, with a boost frequency of 2535 MHz, and delivers 36.34 TFLOPS of floating-point performance alongside a texture rate of 567.8 GTexels/s and a pixel rate of 202.8 GPixel/s. The card is equipped with 7168 shading units, 224 texture mapping units, and 80 render output units, while the GPU memory operates at 1313 MHz. Double Precision Floating Point (DPFP) is supported, broadening its suitability for compute-oriented workloads.

Memory:

effective memory speed 21000 MHz
maximum memory bandwidth 504 GB/s
VRAM 12GB
GDDR version GDDR6X
memory bus width 192-bit
Supports ECC memory ✓

The card features 12GB of GDDR6X video memory running across a 192-bit memory bus, with an effective memory speed of 21000 MHz and a maximum bandwidth of 504 GB/s. ECC memory is supported, adding a layer of data integrity for 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 card supports ray tracing and DLSS, and is compliant with DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, covering a broad range of modern rendering and compute workloads. Multi-display technology is supported, with up to four displays connectable simultaneously, and stereoscopic 3D is also available. Intel Resizable BAR is included to allow the CPU broader access to GPU memory, while LHR and XeSS (XMX) are not present on this card. RGB lighting is featured on the cooler, rounding out the card's physical characteristics.

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

The card's output configuration consists of one HDMI 2.1a port and three DisplayPort outputs, offering a total of four display connections. There are no USB-C, DVI, or mini DisplayPort outputs present on this card.

General info:

GPU architecture Ada Lovelace
Thermal Design Power (TDP) 220W
PCI Express (PCIe) version 4
semiconductor size 5 nm
number of transistors 35800 million
Has air-water cooling ✕
width 334 mm
height 148 mm

Built on the Ada Lovelace architecture and manufactured using a 5 nm process, the card integrates 35,800 million transistors and connects via PCIe 4. It carries a thermal design power of 220W and relies on air cooling, as water cooling is not supported. The card measures 334 mm in width and 148 mm in height.

Final Verdict

The Inno3D GeForce RTX 4070 Super iChill X3 is a capable graphics card that brings together a solid feature set built around the Ada Lovelace architecture, with ray tracing, DLSS, and DirectX 12 Ultimate support forming the core of its software capability. Its 12GB GDDR6X memory with 504 GB/s of bandwidth gives it meaningful headroom for both visually demanding workloads and compute tasks where ECC support adds reliability. While the 220W power draw and lack of water cooling or USB-C connectivity impose practical considerations on system configuration, these are manageable trade-offs for a well-specified card targeting multi-display, rendering, and high-fidelity gaming scenarios. Overall, the iChill X3 represents a well-rounded option within its segment for users whose system and workflow requirements align with what it offers.