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Colorful iGame GeForce RTX 4070 Ti Super Neptune OC specifications and in-depth review

Colorful iGame GeForce RTX 4070 Ti Super Neptune OC

Manufacturer: Colorful

The Colorful iGame GeForce RTX 4070 Ti Super Neptune OC is a graphics card built on NVIDIA's Ada Lovelace architecture, fabricated on a 5 nm process with 45,900 million transistors. It operates at a base clock of 2340 MHz and reaches a boost of 2685 MHz, translating to 45.37 TFLOPS of floating-point output and a texture rate of 708.8 GTexels/s. The card connects via PCIe 4.0, carries a 320W TDP, and measures 253.5 mm wide by 170.8 mm tall, relying entirely on its air cooler for thermal management.

Memory configuration centres on 16GB of GDDR6X running across a 256-bit bus at an effective speed of 21000 MHz, producing up to 672 GB/s of bandwidth. The card deploys 8448 shading units alongside 264 texture mapping units and 96 render output units, with a pixel rate of 257.8 GPixel/s. Output options include one HDMI 2.1 port and three DisplayPort connectors, supporting up to four displays. Feature support covers DirectX 12 Ultimate, OpenGL 4.6, OpenCL 3, ray tracing, DLSS, stereoscopic 3D, ECC memory, Double Precision Floating Point, and Intel Resizable BAR.

Pros
  • 16GB of GDDR6X memory across a 256-bit bus delivers up to 672 GB/s of bandwidth, supporting texture-heavy and high-resolution workloads with substantial headroom
  • Boosts up to 2685 MHz with 45.37 TFLOPS of floating-point output and a texture rate of 708.8 GTexels/s, reflecting strong raw throughput figures
  • Ray tracing and DLSS support are both present, enabling hardware-accelerated lighting and AI-driven resolution scaling in compatible titles
  • ECC memory support adds data integrity protection, making the card usable in scenarios where memory errors could cause critical issues
  • Supports up to four displays simultaneously via one HDMI 2.1 port and three DisplayPort outputs, offering flexible multi-monitor configurations
  • Intel Resizable BAR is supported, allowing the CPU to access the full GPU frame buffer for more efficient data transfers
Cons
  • 320W TDP places a significant demand on system power delivery and requires a well-ventilated case to manage thermals effectively
  • No liquid cooling support means all heat dissipation relies entirely on the air cooler, which may be a limitation in thermally constrained builds
  • The absence of USB-C output restricts compatibility with displays and devices that rely on that connection type
  • XeSS (XMX) and RGB lighting are not present, limiting options for users who factor visual customization or cross-platform upscaling support into their setup
  • At 170.8 mm in height, the card has a notably tall footprint that may not fit comfortably in smaller or mid-tower cases with limited clearance
Who is this for?

The Colorful iGame GeForce RTX 4070 Ti Super Neptune OC is well-suited for users who regularly engage in ray tracing and DLSS-enabled workloads, where its 45.37 TFLOPS of compute throughput and 672 GB/s of memory bandwidth provide meaningful capacity for demanding rendering scenarios. The 16GB of GDDR6X memory across a 256-bit bus makes it a practical fit for content creators and compute users who work with large datasets or memory-intensive applications, especially given the added reliability of ECC support. Those running multi-monitor setups of up to four displays will also find the port configuration — one HDMI 2.1 and three DisplayPort outputs — accommodating for productivity-focused or immersive desktop environments.

Who is this NOT for?

Users with compact or small-form-factor builds may find this card difficult to accommodate, as its 170.8 mm height demands generous case clearance that not all enclosures can provide. The 320W TDP also makes it a poor match for systems with modest power supplies or limited airflow, since the card relies solely on air cooling with no liquid cooling option available. Those who depend on USB-C display connectivity will need to look elsewhere, as the card offers no such output, and users seeking XeSS upscaling support or RGB lighting customization will find neither feature present on this model.

Performance:

GPU clock speed 2340 MHz
GPU turbo 2685 MHz
pixel rate 257.8 GPixel/s
floating-point performance 45.37 TFLOPS
texture rate 708.8 GTexels/s
GPU memory speed 1313 MHz
shading units 8448
texture mapping units (TMUs) 264
render output units (ROPs) 96
Has Double Precision Floating Point (DPFP) ✓

The card runs at a base clock of 2340 MHz and boosts up to 2685 MHz, supported by 8448 shading units, 264 texture mapping units, and 96 render output units. It delivers 45.37 TFLOPS of floating-point performance, a texture rate of 708.8 GTexels/s, and a pixel rate of 257.8 GPixel/s, with GPU memory operating at 1313 MHz. Double Precision Floating Point (DPFP) is also supported, extending the card's utility to compute workloads that require higher numerical precision.

Memory:

effective memory speed 21000 MHz
maximum memory bandwidth 672 GB/s
VRAM 16GB
GDDR version GDDR6X
memory bus width 256-bit
Supports ECC memory ✓

This card is equipped with 16GB of GDDR6X memory running at an effective speed of 21000 MHz across a 256-bit bus, delivering a maximum bandwidth of 672 GB/s. ECC memory support is included, providing error detection and correction capabilities that benefit workloads where data accuracy 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 card supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, providing broad compatibility across modern graphics and compute applications. Ray tracing and DLSS are both enabled, and stereoscopic 3D and multi-display technology are supported, with up to four screens connectable simultaneously. Intel Resizable BAR is present to facilitate more efficient CPU access to GPU memory, while XeSS (XMX), LHR, and RGB lighting are all absent from this model.

Ports:

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

Display connectivity is handled through one HDMI 2.1 port and three DisplayPort outputs, covering the most common modern display interfaces. There are no USB-C, DVI, or mini DisplayPort outputs on this card, keeping the rear bracket straightforward and focused on full-size connections only.

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 253.5 mm
height 170.8 mm

Grounded in the Ada Lovelace architecture, this card is produced on a 5 nm process and houses 45,900 million transistors, interfacing with the system over PCIe 4.0. Its 320W TDP reflects a substantial power requirement, and thermal management relies exclusively on air cooling — liquid cooling is not supported. The card measures 253.5 mm in width and 170.8 mm in height, giving it a notably wider profile that should be accounted for during case selection.

Final Verdict

The Colorful iGame GeForce RTX 4070 Ti Super Neptune OC is a graphics card that delivers a well-rounded specification set for users whose workloads can make full use of its capabilities — particularly its 16GB of GDDR6X memory with 672 GB/s of bandwidth, which gives it meaningful capacity for both high-resolution rendering and compute tasks. Ray tracing, DLSS, ECC memory support, and a four-display output configuration round out a feature set that covers most modern use cases with reasonable thoroughness. That said, its 320W thermal footprint and exclusive reliance on air cooling mean it demands a suitably equipped system, and the lack of USB-C output is a practical limitation worth factoring in. For users whose setup can meet those requirements, the Neptune OC presents a technically capable option that holds up well across its intended use cases.