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Inno3D GeForce RTX 4070 Super Twin X2 OC specifications and in-depth review

Inno3D GeForce RTX 4070 Super Twin X2 OC

Manufacturer: Inno3D

The Inno3D GeForce RTX 4070 Super Twin X2 OC is a graphics card based on Nvidia's Ada Lovelace architecture, manufactured on a 5 nm process with 35,800 million transistors. It ships with a factory-overclocked base clock of 1980 MHz that boosts up to 2505 MHz in turbo mode, and supports ray tracing, DLSS, DirectX 12 Ultimate, and multi-display output for up to four screens. The card also includes RGB lighting and measures 250 mm in length and 118 mm in height, giving it a relatively compact footprint for its class.

Memory configuration consists of 12GB of GDDR6X VRAM running on a 192-bit bus at an effective speed of 21,000 MHz, producing a maximum bandwidth of 504 GB/s. The GPU houses 7,168 shading units paired with 224 texture mapping units and 80 render output units, yielding a texture rate of 561.1 GTexels/s and a pixel rate of 200.4 GPixel/s. ECC memory support is included for workloads requiring data integrity, and connectivity is handled through three DisplayPort outputs and one HDMI 2.1a port, with Intel Resizable BAR also supported. The card carries a TDP of 220W and connects via PCIe 4.0.

Pros
  • At 250 mm in length and 118 mm in height, the card occupies a relatively compact footprint that suits a wider range of case sizes
  • A 220W TDP places moderate power demands on the system compared to higher-tier cards in the same category
  • RGB lighting is built into the card, offering visual customization without requiring additional hardware
  • ECC memory support makes the card suitable for compute tasks where data integrity is important
  • Ray tracing and DLSS are both supported, broadening its usefulness across rendering and upscaling workloads
  • Supports up to four simultaneous displays with a mix of three DisplayPort and one HDMI 2.1a output
Cons
  • The 192-bit memory bus width limits overall memory bandwidth headroom compared to wider configurations
  • 12GB of VRAM may prove restrictive for workloads that require larger memory allocations
  • No USB-C video output is available, limiting compatibility with certain modern monitors and displays
  • Air-water cooling is not supported, leaving thermal management dependent entirely on the card's air-cooling solution
  • XeSS (XMX) is not supported, narrowing upscaling options to DLSS only
Who is this for?

The Inno3D GeForce RTX 4070 Super Twin X2 OC is a good fit for users who need a capable graphics card in a compact, space-conscious build, as its 250 mm length and 118 mm height allow it to slot into a broader range of mid-tower and smaller cases without issue. Its 220W TDP also makes it a reasonable choice for systems where power delivery is a constraint, and the combination of ray tracing, DLSS, and DirectX 12 Ultimate support suits users engaged in visually demanding real-time 3D work or content creation. Those who also need compute reliability will benefit from the included ECC memory support, and multi-monitor users can take advantage of the four available video outputs.

Who is this NOT for?

Users with workloads that require large VRAM allocations may find the 12GB ceiling limiting, particularly for tasks involving high-resolution textures or memory-intensive compute processes. The 192-bit memory bus also constrains total bandwidth headroom, which could be a bottleneck in throughput-sensitive scenarios. Additionally, the absence of USB-C video output and any air-water cooling option makes this card a poor match for users with modern USB-C displays or for those building systems where advanced thermal management is a priority.

Performance:

GPU clock speed 1980 MHz
GPU turbo 2505 MHz
pixel rate 200.4 GPixel/s
floating-point performance 35.91 TFLOPS
texture rate 561.1 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 GPU operates at a base clock of 1980 MHz, climbing to 2505 MHz under turbo conditions, while memory runs at 1313 MHz. Its 7,168 shading units work alongside 224 texture mapping units and 80 render output units, producing a texture rate of 561.1 GTexels/s and a pixel rate of 200.4 GPixel/s. Floating-point performance is rated at 35.91 TFLOPS, and the GPU includes Double Precision Floating Point (DPFP) support for workloads that benefit from higher numerical accuracy.

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 is fitted with 12GB of GDDR6X VRAM operating across a 192-bit memory bus at an effective speed of 21,000 MHz, delivering a maximum memory bandwidth of 504 GB/s. ECC memory support is also present, providing error detection and correction for tasks where data reliability is a concern.

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 DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, alongside hardware ray tracing, DLSS, stereoscopic 3D, and multi-display technology for up to four simultaneous outputs. Intel Resizable BAR is supported, and RGB lighting is present on the card itself. XeSS (XMX) and LHR are not included, and the card does not carry a hardware limiter of that kind.

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

Video output is handled by three DisplayPort connectors and one HDMI 2.1a port, totalling four available outputs. There are no USB-C, DVI, or mini DisplayPort connections 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 250 mm
height 118 mm

Built on the Ada Lovelace architecture using a 5 nm process, the GPU integrates 35,800 million transistors and connects to the system via PCIe 4.0. It carries a TDP of 220W and relies solely on air cooling, with no air-water cooling option included. Physically, the card measures 250 mm in width and 118 mm in height, giving it a relatively modest footprint for this tier of hardware.

Final Verdict

The Inno3D GeForce RTX 4070 Super Twin X2 OC is a well-rounded graphics card that balances a capable feature set with a restrained physical and thermal footprint. Its support for ray tracing, DLSS, DirectX 12 Ultimate, and ECC memory gives it genuine range across both visual and compute workloads, while the compact 250 mm form factor and 220W TDP make it accessible to a wider variety of system configurations than many cards at this level. Some users will encounter the limits of its 12GB VRAM and 192-bit bus in more demanding scenarios, but for those whose workloads align with its strengths, the RTX 4070 Super Twin X2 OC represents a thoughtfully specced card that earns its place in space-conscious or power-aware builds.