TurboVS
Asus ROG Astral GeForce RTX 5090 BTF OC Edition specifications and in-depth review

Asus ROG Astral GeForce RTX 5090 BTF OC Edition

Manufacturer: Asus

The Asus ROG Astral GeForce RTX 5090 BTF OC Edition is a flagship graphics card from Asus's Republic of Gamers lineup, built around Nvidia's Blackwell GPU architecture. It ships with a base clock of 2017 MHz and a boost clock reaching 2580 MHz, backed by 21,760 shading units and a floating-point throughput of 112.3 TFLOPS. RGB lighting is included, and the card supports up to four simultaneous displays.

On the memory side, the card carries 32GB of GDDR7 VRAM across a 512-bit bus, delivering a maximum bandwidth of 1790 GB/s at an effective speed of 28,000 MHz. ECC memory support is present, as is compatibility with Intel Resizable BAR. Connectivity options include two HDMI 2.1b ports and three DisplayPort outputs. The card adheres to DirectX 12 Ultimate and OpenGL 4.6 standards, supports ray tracing and DLSS, and communicates with the host system over a PCIe 5.0 interface. At 357.6 mm in length and 149.3 mm in height, it has a substantial physical footprint to accommodate its 575W thermal envelope.

Pros
  • Carries 32GB of GDDR7 VRAM across a 512-bit bus, offering substantial memory capacity and bandwidth of 1790 GB/s for memory-intensive workloads
  • Supports up to four simultaneous displays with two HDMI 2.1b and three DisplayPort outputs, giving strong multi-monitor flexibility
  • Ray tracing and DLSS are both supported, enabling access to advanced rendering and upscaling capabilities
  • Double Precision Floating Point (DPFP) support broadens the card's usefulness beyond traditional rendering tasks
  • ECC memory support adds a layer of data integrity for workloads where memory accuracy matters
  • Intel Resizable BAR support allows the CPU broader access to GPU memory, which can improve data transfer efficiency
Cons
  • A TDP of 575W places significant demands on system power delivery and case cooling infrastructure
  • At 357.6 mm in length and 149.3 mm in height, the card requires a large chassis and may not fit in compact or mid-tower builds
  • No USB-C display output is available, limiting compatibility with certain modern monitors and displays
  • Air-water cooling is not included, so thermal management depends entirely on the card's built-in air cooling solution
  • XeSS (XMX) is not supported, narrowing upscaling options to DLSS only
Who is this for?

This card is well-matched to users running demanding rendering, simulation, or compute workloads that benefit from 32GB of GDDR7 VRAM, high memory bandwidth, and Double Precision Floating Point support. The combination of DLSS, ray tracing, and DirectX 12 Ultimate also makes it a strong fit for those working at the cutting edge of real-time graphics. Users who drive multi-monitor setups will appreciate the five display outputs, including two HDMI 2.1b and three DisplayPort connections, while ECC memory support adds reliability for those using the card in precision-sensitive professional environments.

Who is this NOT for?

The card's 575W TDP makes it entirely unsuitable for compact or small-form-factor builds, as it demands robust power delivery and substantial case airflow that most mid-tower and smaller systems cannot accommodate. Users working with displays that rely on USB-C connectivity will find no support here, which may limit integration with certain modern monitors or portable setups. Additionally, those who require XeSS upscaling — rather than DLSS — will need to look elsewhere, as XMX-based XeSS is absent from this card's feature set.

Performance:

GPU clock speed 2017 MHz
GPU turbo 2580 MHz
pixel rate 454.1 GPixel/s
floating-point performance 112.3 TFLOPS
texture rate 1754.4 GTexels/s
GPU memory speed 1750 MHz
shading units 21760
texture mapping units (TMUs) 680
render output units (ROPs) 176
Has Double Precision Floating Point (DPFP) ✓

The Performance section of this graphics card centers on a GPU with a base clock of 2017 MHz and a turbo clock reaching 2580 MHz, supported by 21,760 shading units, 680 texture mapping units, and 176 render output units. Floating-point throughput is rated at 112.3 TFLOPS, accompanied by a texture rate of 1754.4 GTexels/s and a pixel rate of 454.1 GPixel/s. GPU memory operates at 1750 MHz, and the card includes support for Double Precision Floating Point (DPFP), making it capable of handling workloads that require 64-bit floating-point computation.

Memory:

effective memory speed 28000 MHz
maximum memory bandwidth 1790 GB/s
VRAM 32GB
GDDR version GDDR7
memory bus width 512-bit
Supports ECC memory ✓

This card is equipped with 32GB of GDDR7 VRAM running across a 512-bit memory bus, delivering a maximum memory bandwidth of 1790 GB/s at an effective speed of 28,000 MHz. ECC memory support is included, which allows the card to detect and correct certain types of memory errors during operation.

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 and DLSS are both supported, while XeSS (XMX) is not present. Multi-display technology is enabled with support for up to four simultaneous displays, and stereoscopic 3D is also available. Memory access efficiency is aided by Intel Resizable BAR, though LHR is not implemented. RGB lighting is included on the card itself.

Ports:

has an HDMI output ✓
HDMI ports 2
HDMI version HDMI 2.1b
DisplayPort outputs 3
USB-C ports 0
DVI outputs 0
mini DisplayPort outputs 0

The card's output configuration consists of two HDMI 2.1b ports and three DisplayPort outputs, providing a total of five display connectors. There are no USB-C, DVI, or mini DisplayPort outputs present on this card.

General info:

GPU architecture Blackwell
Thermal Design Power (TDP) 575W
PCI Express (PCIe) version 5
semiconductor size 5 nm
number of transistors 92200 million
Has air-water cooling ✕
width 357.6 mm
height 149.3 mm

Built on the Blackwell architecture, this card uses a 5 nm manufacturing process and integrates 92,200 million transistors. It carries a Thermal Design Power (TDP) of 575W and connects to the host system via a PCIe 5.0 interface. The card measures 357.6 mm in width and 149.3 mm in height, and does not include an air-water cooling solution.

Final Verdict

The Asus ROG Astral GeForce RTX 5090 BTF OC Edition is a card built for users whose workloads push the boundaries of what current GPU hardware can handle. Its 32GB of GDDR7 VRAM paired with 1790 GB/s of memory bandwidth positions it firmly at the top end of memory-intensive rendering, compute, and professional visualization tasks, while the inclusion of ray tracing, DLSS, and DirectX 12 Ultimate ensures it covers the full spectrum of modern real-time graphics demands. That said, its 575W thermal footprint and considerable physical dimensions mean it is not a card for every build — system compatibility and power infrastructure deserve careful consideration before deployment. For users whose environments can accommodate those requirements, the ROG Astral RTX 5090 BTF OC Edition represents a thoroughly specified option at the absolute upper tier of the graphics card category.

Popular Comparisons

Asus ROG Astral GeForce RTX 5090 BTF OC Edition
Asus ROG Astral GeForce RTX 5090 BTF OC Edition
VS
Asus ROG Astral GeForce RTX 5090
Asus ROG Astral GeForce RTX 5090
Asus ROG Astral GeForce RTX 5090 BTF OC Edition
Asus ROG Astral GeForce RTX 5090 BTF OC Edition
VS
Asus ROG Astral GeForce RTX 5090 OC Edition
Asus ROG Astral GeForce RTX 5090 OC Edition
Asus ROG Astral GeForce RTX 5090 BTF OC Edition
Asus ROG Astral GeForce RTX 5090 BTF OC Edition
VS
Asus ROG Astral LC GeForce RTX 5090 OC Edition
Asus ROG Astral LC GeForce RTX 5090 OC Edition