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

Colorful iGame GeForce RTX 4070 Super Vulcan OC

Manufacturer: Colorful

The Colorful iGame GeForce RTX 4070 Super Vulcan OC is a graphics card built on NVIDIA's Ada Lovelace architecture, manufactured on a 5 nm process with 35,800 million transistors. It supports ray tracing, DLSS, and DirectX 12 Ultimate, and can drive up to four displays simultaneously through its combination of DisplayPort and HDMI outputs. With a TDP of 245W, it falls into the mid-to-high range of thermal requirements for modern discrete graphics cards.

On the memory side, the card carries 12GB of GDDR6X VRAM on a 192-bit bus, with an effective memory speed of 21000 MHz and a maximum bandwidth of 504 GB/s, with ECC memory support also included. The GPU runs at a base clock of 1980 MHz and boosts up to 2670 MHz, backed by 7168 shading units, 224 texture mapping units, and 80 render output units, delivering a texture rate of 598.1 GTexels/s and floating-point performance of 38.28 TFLOPS. The card features three DisplayPort 1.4 outputs and one HDMI 2.1 port, supports Intel Resizable BAR, and measures 348.5 mm in length and 159.5 mm in height. Air-water cooling and RGB lighting are not part of this configuration.

Pros
  • GDDR6X VRAM running at 21000 MHz effective speed delivers 504 GB/s of memory bandwidth, which benefits memory-intensive workloads
  • Ray tracing and DLSS are both supported, enabling hardware-accelerated lighting and upscaling in compatible applications
  • The card can drive up to four displays simultaneously through its three DisplayPort and one HDMI 2.1 output
  • Intel Resizable BAR support allows the CPU to access the full GPU frame buffer, which can improve rendering throughput
  • ECC memory support adds data integrity checking, useful for workloads where memory errors need to be detected and corrected
  • Double Precision Floating Point (DPFP) support broadens the card's suitability beyond gaming to compute-oriented tasks
Cons
  • A TDP of 245W places a notable demand on system power delivery and case airflow
  • At 348.5 mm in length, the card requires a case with sufficient clearance, which may limit compatibility with smaller builds
  • Liquid cooling is not supported, so thermal management depends entirely on the air cooling solution
  • RGB lighting is absent, which may matter to users who want visual customization in their build
  • XeSS support is not included, reducing upscaling options to DLSS only
Who is this for?

This card is well-suited to users running demanding rendering, gaming, or compute workloads that benefit from 38.28 TFLOPS of floating-point performance and 504 GB/s of memory bandwidth. The support for ray tracing, DLSS, DirectX 12 Ultimate, and OpenCL 3 makes it a capable fit for both real-time graphics applications and GPU-accelerated compute tasks. Users who need to connect multiple monitors will also find the four-display output via three DisplayPort and one HDMI 2.1 port a practical advantage, and the inclusion of ECC memory and DPFP support extends its relevance to workloads requiring data accuracy.

Who is this NOT for?

At 348.5 mm in length and with a 245W TDP, this card is not well-suited to compact or small form factor builds where physical clearance and power headroom are limited. Users who rely entirely on air cooling setups with restricted airflow may find thermal management more challenging, as liquid cooling is not an option with this model. Those looking for XeSS upscaling support or RGB lighting for visual customization will also find those features absent from this configuration.

Performance:

GPU clock speed 1980 MHz
GPU turbo 2670 MHz
pixel rate 213.6 GPixel/s
floating-point performance 38.28 TFLOPS
texture rate 598.1 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 runs at a base clock of 1980 MHz and boosts up to 2670 MHz, supported by 7168 shading units, 224 texture mapping units, and 80 render output units. It delivers a texture rate of 598.1 GTexels/s, a pixel rate of 213.6 GPixel/s, and 38.28 TFLOPS of floating-point performance, with a GPU memory speed of 1313 MHz. Double Precision Floating Point (DPFP) is also supported.

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 equipped with 12GB of GDDR6X VRAM running at an effective speed of 21000 MHz across a 192-bit memory bus, yielding a maximum memory bandwidth of 504 GB/s. ECC memory support is also included, which adds a layer of data integrity checking for workloads that benefit from it.

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, covering a broad range of graphics and compute APIs. Ray tracing, DLSS, and stereoscopic 3D are all supported, while XeSS is not available. Multi-display output is supported across up to 4 displays, and Intel Resizable BAR is included to allow the CPU broader access to GPU memory. LHR and RGB lighting are both 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

The card's output configuration consists of three DisplayPort outputs and one HDMI 2.1 port, giving a total of four available display connections. DVI, mini DisplayPort, and USB-C outputs are not present on this model.

General info:

GPU architecture Ada Lovelace
Thermal Design Power (TDP) 245W
PCI Express (PCIe) version 4
semiconductor size 5 nm
number of transistors 35800 million
Has air-water cooling
width 348.5 mm
height 159.5 mm

The card is built on the Ada Lovelace architecture, manufactured on a 5 nm process with 35,800 million transistors, and connects to the motherboard via PCIe 4.0. It has a Thermal Design Power of 245W and measures 348.5 mm in width and 159.5 mm in height. Cooling is handled by air only, as liquid cooling is not part of this configuration.

Final Verdict

The Colorful iGame GeForce RTX 4070 Super Vulcan OC is a well-specified graphics card that covers a broad range of demanding use cases through its Ada Lovelace architecture, ray tracing and DLSS support, and a memory subsystem delivering 504 GB/s of bandwidth from 12GB of GDDR6X VRAM. The inclusion of ECC memory, DPFP support, and OpenCL 3 compatibility also gives it meaningful reach into compute-oriented workloads beyond traditional gaming. Its physical footprint and 245W TDP mean it is best suited to full-size builds with adequate power delivery and airflow, and prospective users should factor in the absence of liquid cooling compatibility and XeSS support when evaluating it against their specific requirements. For users whose system and workflow align with what this card offers, it presents a thorough and capable specification set across both graphics and compute applications.