Inno3D GeForce RTX 4070 Super Twin X2

Name: Inno3D GeForce RTX 4070 Super Twin X2
Brand: Inno3D
SKU: 66827

Manufacturer: Inno3D

The Inno3D GeForce RTX 4070 Super Twin X2 is a graphics card based on Nvidia's Ada Lovelace architecture, produced on a 5 nm process integrating 35,800 million transistors. It operates at a base clock of 1980 MHz with a turbo frequency of 2475 MHz, and its compact 250 mm × 118 mm dimensions make it one of the more space-conscious cards in this segment. The card connects via PCIe 4, carries a 220W TDP, and uses air cooling exclusively.

On the memory side, the card houses 12GB of GDDR6X running across a 192-bit bus at an effective speed of 21,000 MHz, producing up to 504 GB/s of bandwidth. Its 7,168 shading units are supported by 224 texture mapping units and 80 render output units, translating to 35.48 TFLOPS of floating-point output, a texture rate of 554.4 GTexels/s, and a pixel rate of 198 GPixel/s. The feature set includes DirectX 12 Ultimate, OpenGL 4.6, ray tracing, DLSS, ECC memory support, and four-display output via one HDMI 2.1a port and three DisplayPort connections.

Pros

At 250 mm × 118 mm, the card occupies a notably compact footprint for its class, fitting into cases with tighter GPU clearance requirements
12GB of GDDR6X memory on a 192-bit bus at 21,000 MHz effective speed yields up to 504 GB/s of bandwidth
ECC memory support is included, adding data integrity protection for error-sensitive compute workloads
Ray tracing and DLSS are both supported, enabling hardware-accelerated rendering features in compatible applications
Four simultaneous displays are supported via one HDMI 2.1a port and three DisplayPort outputs
DPFP support broadens the card's applicability to double precision compute tasks beyond standard graphics rendering

Cons

No USB-C, DVI, or mini DisplayPort outputs are available, restricting connectivity to standard HDMI and DisplayPort only
Air-water cooling is not supported, meaning users are limited to the card's built-in air-cooling solution
A single HDMI port limits simultaneous HDMI device connections to one at a time
XeSS (XMX) upscaling is not supported, excluding compatibility with that specific technology

Who is this for?

The card's compact 250 mm × 118 mm dimensions make it a strong fit for users building in smaller cases where GPU clearance is a genuine constraint, without sacrificing the feature set expected from this GPU tier. Its support for ray tracing, DLSS, and up to four simultaneous display outputs suits content creators and users running multi-monitor workflows that benefit from hardware-accelerated rendering. The inclusion of ECC memory and DPFP also makes it a practical choice for compute-oriented tasks where data precision and integrity are a priority.

Who is this NOT for?

Users who require liquid or hybrid cooling will find this card unsuitable, as it is limited to air cooling with no air-water option present. Those relying on USB-C display connectivity will encounter an immediate limitation, since no USB-C outputs are available. The card is also not a good fit for users who need to connect more than one HDMI device simultaneously, as only a single HDMI port is provided, and anyone whose workflow depends specifically on XeSS (XMX) upscaling will find that feature absent.

Performance:

GPU clock speed	1980 MHz
GPU turbo	2475 MHz
pixel rate	198 GPixel/s
floating-point performance	35.48 TFLOPS
texture rate	554.4 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 clocks in at a base frequency of 1980 MHz, reaching a turbo of 2475 MHz under sustained load, and delivers 35.48 TFLOPS of floating-point performance. The 7,168 shading units work in tandem with 224 texture mapping units and 80 render output units, producing a texture rate of 554.4 GTexels/s and a pixel rate of 198 GPixel/s. GPU memory operates at 1313 MHz, and Double Precision Floating Point (DPFP) is supported, extending usability to compute tasks that require higher numerical precision.

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 carries 12GB of GDDR6X VRAM on a 192-bit memory bus, running at an effective speed of 21,000 MHz to deliver a maximum bandwidth of 504 GB/s. ECC memory is supported, providing error-correction functionality for workloads where data accuracy is a requirement.

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-accelerated ray tracing and DLSS. Stereoscopic 3D and multi-display technology are both available, with support for up to four simultaneous outputs. Intel Resizable BAR is included, LHR and XeSS (XMX) are not supported, and RGB lighting is present on the card.

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

Output options consist of one HDMI 2.1a port and three DisplayPort outputs, covering the card's full complement of four display connections. There are no USB-C, DVI, or mini DisplayPort outputs on this model.

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

Underpinned by the Ada Lovelace architecture on a 5 nm process, the card integrates 35,800 million transistors and uses a PCIe 4 interface. It has a 220W TDP and is limited to air cooling, as air-water cooling is not available. The card's footprint measures 250 mm in width and 118 mm in height, placing it among the more compact options in its category.

Final Verdict

The Inno3D GeForce RTX 4070 Super Twin X2 stands out within its category primarily for its compact 250 mm × 118 mm form factor, which allows it to fit into builds where most cards at this performance tier simply will not. Beyond its physical footprint, it delivers a complete feature set — ray tracing, DLSS, ECC memory, DPFP support, and four-display output — that covers both graphics-heavy and compute-oriented workloads without meaningful compromise on capability. Connectivity is limited to standard DisplayPort and a single HDMI 2.1a port, and users seeking liquid cooling or USB-C outputs will need to look elsewhere. For anyone prioritizing a smaller build without stepping down in GPU features, the Inno3D GeForce RTX 4070 Super Twin X2 makes a technically coherent and space-efficient choice.

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