Acer Nitro Arc B580 OC

Name: Acer Nitro Arc B580 OC
Brand: Acer
SKU: 79795

Manufacturer: Acer

The Acer Nitro Arc B580 OC is a desktop graphics card based on Intel's Xe2-HPG architecture, manufactured on a 6 nm process and housing 21.7 billion transistors. Designed for mainstream gaming and content workloads, it carries 12GB of GDDR6 VRAM across a 192-bit memory bus, delivering an effective memory speed of 19000 MHz and a peak bandwidth of 456 GB/s.

On the compute side, the card operates at a base GPU clock of 1700 MHz with a turbo frequency reaching 2740 MHz, translating to 14.03 TFLOPS of floating-point performance alongside a texture rate of 438.4 GTexels/s and a pixel rate of 219.2 GPixels/s. Its 2560 shading units are complemented by 160 TMUs and 80 ROPs, and the card supports DirectX 12 Ultimate, OpenCL 3, OpenGL 4.6, ray tracing, and Intel XeSS upscaling. Display output is handled through one HDMI 2.1 port and three DisplayPort outputs, supporting up to four monitors simultaneously, while the card carries a TDP of 190W and measures 268 mm in length and 113 mm in height.

Pros

Supports up to four displays simultaneously through a combination of one HDMI 2.1 and three DisplayPort outputs
12GB of GDDR6 VRAM with a 192-bit bus provides a substantial frame buffer for memory-intensive workloads
ECC memory support adds a layer of data integrity for compute-oriented tasks
Ray tracing and XeSS upscaling are both supported, expanding compatibility with modern rendering features
DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3 support covers a wide range of graphics and compute applications
Fabricated on a 6 nm process with 21,700 million transistors, indicating a dense and modern silicon design

Cons

DLSS is not supported, limiting upscaling options to XeSS only
No USB-C, DVI, or mini DisplayPort outputs, which may restrict connectivity in certain setups
A 190W TDP requires adequate system power delivery and case airflow, with no water-cooling option available
The card measures 268 mm in length, which may not fit in compact or smaller form-factor cases
No RGB lighting for users who prioritize visual customization within their build

Who is this for?

The Acer Nitro Arc B580 OC is well suited to users who need a capable desktop graphics card for modern gaming and GPU compute workloads, particularly those who benefit from a generous 12GB GDDR6 frame buffer that can handle memory-intensive rendering scenarios. The support for ray tracing, XeSS upscaling, and DirectX 12 Ultimate makes it a practical fit for users running contemporary game titles that rely on these rendering features. It also works well for those who require multi-monitor setups, given its ability to drive up to four displays simultaneously across HDMI 2.1 and three DisplayPort outputs, and for light compute tasks where ECC memory support adds a useful layer of data reliability.

Who is this NOT for?

This card is less suited to users working in environments where DLSS-dependent workflows or applications are a requirement, since that upscaling method is not supported and only XeSS is available. Its 190W TDP and 268 mm length also make it a poor match for compact or small form-factor builds where thermal headroom and physical space are limited, especially given the absence of a water-cooling option. Additionally, users who need USB-C or DVI video output connectivity for legacy displays or specific hardware configurations will find the port selection restrictive, as neither interface is present on this card.

Performance:

GPU clock speed	1700 MHz
GPU turbo	2740 MHz
pixel rate	219.2 GPixel/s
floating-point performance	14.03 TFLOPS
texture rate	438.4 GTexels/s
GPU memory speed	2400 MHz
shading units	2560
texture mapping units (TMUs)	160
render output units (ROPs)	80

The Acer Nitro Arc B580 OC runs at a base GPU clock of 1700 MHz, boosting up to 2740 MHz under load, while the GPU memory operates at 2400 MHz. Its 2560 shading units work alongside 160 texture mapping units and 80 render output units, producing a texture rate of 438.4 GTexels/s and a pixel rate of 219.2 GPixels/s. Together, these figures combine into a floating-point performance of 14.03 TFLOPS, reflecting the card's overall compute throughput.

Memory:

effective memory speed	19000 MHz
maximum memory bandwidth	456 GB/s
VRAM	12GB
GDDR version	GDDR6
memory bus width	192-bit
Supports ECC memory	✓

The Acer Nitro Arc B580 OC is equipped with 12GB of GDDR6 VRAM running across a 192-bit memory bus, reaching an effective memory speed of 19000 MHz and a peak bandwidth of 456 GB/s. The card also supports ECC memory, which enables basic error correction for workloads where data integrity 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)	✓
has LHR	✕
has RGB lighting	✕
supported displays	4

The Acer Nitro Arc B580 OC supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3, covering a broad range of graphics and compute APIs. Ray tracing and stereoscopic 3D are both supported, as is Intel XeSS upscaling, while DLSS is not available on this card. It can drive up to four displays simultaneously through its multi-display support, though it does not include LHR or RGB lighting.

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 Acer Nitro Arc B580 OC provides a total of four video outputs: one HDMI 2.1 port and three DisplayPort outputs. There are no USB-C, DVI, or mini DisplayPort connections on this card.

General info:

GPU architecture	Xe2-HPG
Thermal Design Power (TDP)	190W
PCI Express (PCIe) version	4
semiconductor size	6 nm
number of transistors	21700 million
Has air-water cooling	✕
width	268 mm
height	113 mm

The Acer Nitro Arc B580 OC is built on Intel's Xe2-HPG architecture, fabricated using a 6 nm process and integrating 21,700 million transistors. It connects via PCIe 4 and carries a TDP of 190W, relying on air cooling without a water-cooling option. The card measures 268 mm in width and 113 mm in height, giving a clear picture of the physical space it requires in a system.

Final Verdict

The Acer Nitro Arc B580 OC is a well-specified desktop graphics card that brings together a modern Xe2-HPG architecture, ray tracing support, and a 12GB GDDR6 frame buffer with 456 GB/s of memory bandwidth — a combination that positions it solidly for contemporary gaming and light GPU compute tasks. Its four-display output capability, ECC memory support, and compatibility with DirectX 12 Ultimate and XeSS upscaling round out a feature set that covers most mainstream use cases without significant gaps. That said, the absence of DLSS, the 190W power requirement, and the 268 mm card length do place some constraints on where and how it can be deployed. For users building a standard mid-to-full-tower system who want a capable card with a generous VRAM allocation and broad API support, the Nitro Arc B580 OC represents a technically complete option within its class.