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Acer Nitro Radeon RX 7900 GRE OC specifications and in-depth review

Acer Nitro Radeon RX 7900 GRE OC

Manufacturer: Acer

The Acer Nitro Radeon RX 7900 GRE OC is a graphics card that brings AMD's RDNA 3.0 architecture to a market segment where raw throughput and memory capacity tend to matter most. Built on a 5 nm process with 57,700 million transistors, the card carries 16GB of GDDR6 VRAM across a 256-bit memory bus, giving it a solid foundation for high-resolution workloads. RGB lighting is included, and AMD SAM support is present for compatible platform configurations.

On the performance side, the card runs a base GPU clock of 1287 MHz with a turbo ceiling of 2395 MHz, translating to a floating-point output of 49.05 TFLOPS. Memory bandwidth reaches 576 GB/s at an effective speed of 18,000 MHz, complemented by 5120 shading units, 320 texture mapping units, and 160 render output units. The card supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 2.2, along with ray tracing and Double Precision Floating Point. Display connectivity covers up to four screens via one HDMI 2.1a port and three DisplayPort outputs, with a rated TDP of 260W over a PCIe 4.0 interface.

Pros
  • 16GB of GDDR6 VRAM across a 256-bit bus provides substantial headroom for memory-intensive workloads at high resolutions
  • 576 GB/s of memory bandwidth supports fast data throughput across demanding rendering tasks
  • Ray tracing is supported, enabling hardware-accelerated lighting and shadow effects in compatible titles
  • ECC memory support adds a layer of data integrity protection useful in compute-oriented workloads
  • Up to four displays can be connected simultaneously via three DisplayPort outputs and one HDMI 2.1a port
  • AMD SAM support allows compatible systems to access the full VRAM pool, which can improve frame delivery in supported scenarios
Cons
  • A 260W TDP places notable demands on system power delivery and case airflow
  • DLSS is not supported, limiting access to that particular upscaling method
  • XeSS (XMX) is also absent, further narrowing the available upscaling options to AMD-native solutions
  • No USB-C output is available, which may limit compatibility with certain monitors or adapters
  • Air-water cooling is not included, so users requiring liquid cooling would need a third-party solution
Who is this for?

This card suits users who work at high resolutions and need a large VRAM buffer to handle complex scenes without running into memory constraints — the 16GB of GDDR6 VRAM and 576 GB/s of bandwidth make it well-matched for demanding rendering, texture-heavy workloads, and multi-monitor setups covering up to four displays. Those who rely on compute tasks alongside visual work will also find value here, as ECC memory support and Double Precision Floating Point capability extend its usefulness beyond pure gaming into professional or semi-professional GPU compute scenarios. AMD SAM compatibility further benefits users running supported platform configurations looking to optimize frame delivery.

Who is this NOT for?

Users who depend on DLSS or XeSS upscaling for frame rate enhancement will find this card incompatible with those technologies, making it a poor fit for those whose workflow or game library relies heavily on either feature. The 260W TDP also makes it unsuitable for compact or low-airflow builds where power and thermal headroom are limited, as it places significant demands on both the PSU and case ventilation. Additionally, users who require a USB-C display output or a liquid cooling solution out of the box will need to look elsewhere, as neither is available on this card.

Performance:

GPU clock speed 1287 MHz
GPU turbo 2395 MHz
pixel rate 383.2 GPixel/s
floating-point performance 49.05 TFLOPS
texture rate 766.4 GTexels/s
GPU memory speed 2250 MHz
shading units 5120
texture mapping units (TMUs) 320
render output units (ROPs) 160
Has Double Precision Floating Point (DPFP) ✓

The Acer Nitro Radeon RX 7900 GRE OC operates at a base GPU clock of 1287 MHz, climbing to a turbo frequency of 2395 MHz under load. Its 49.05 TFLOPS of floating-point performance is backed by 5120 shading units and 320 texture mapping units, producing a texture rate of 766.4 GTexels/s alongside a pixel rate of 383.2 GPixel/s. The 160 render output units contribute to overall rendering throughput, while GPU memory runs at 2250 MHz. The card also supports Double Precision Floating Point (DPFP), extending its utility to workloads that require higher numerical accuracy.

Memory:

effective memory speed 18000 MHz
maximum memory bandwidth 576 GB/s
VRAM 16GB
GDDR version GDDR6
memory bus width 256-bit
Supports ECC memory ✓

The card is equipped with 16GB of GDDR6 VRAM running across a 256-bit memory bus, reaching an effective memory speed of 18,000 MHz and delivering a maximum memory bandwidth of 576 GB/s. ECC memory support is included, which helps maintain data integrity in scenarios where memory error correction is a consideration.

Features:

DirectX version DirectX 12 Ultimate
OpenGL version 4.6
OpenCL version 2.2
Supports multi-display technology ✓
supports ray tracing ✓
Supports 3D ✓
supports DLSS ✕
has XeSS (XMX) ✕
AMD SAM / Intel Resizable BAR AMD SAM
has LHR ✕
has RGB lighting ✓
supported displays 4

The Acer Nitro Radeon RX 7900 GRE OC supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 2.2, covering a broad range of graphics and compute API requirements. Ray tracing and stereoscopic 3D are both supported, while DLSS and XeSS (XMX) are not available on this card. Multi-display technology is present with support for up to four simultaneous displays, and AMD SAM is included for compatible system configurations. The card does not feature LHR, and RGB lighting is built in for those who factor aesthetics into their build.

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

The card's output configuration consists of one HDMI 2.1a port and three DisplayPort outputs, allowing connection to up to four displays simultaneously. There are no USB-C, DVI, or mini DisplayPort outputs on this model.

General info:

GPU architecture RDNA 3.0
Thermal Design Power (TDP) 260W
PCI Express (PCIe) version 4
semiconductor size 5 nm
number of transistors 57700 million
Has air-water cooling ✕

Built on AMD's RDNA 3.0 architecture, the card is fabricated using a 5 nm process and integrates 57,700 million transistors. It connects via PCIe 4.0 and carries a Thermal Design Power rating of 260W. The card does not include air-water cooling, and cooling is handled through its standard thermal solution. No liquid cooling option is part of this configuration.

Final Verdict

The Acer Nitro Radeon RX 7900 GRE OC is a graphics card that makes a clear case for users who prioritize memory capacity and compute versatility alongside strong rendering throughput. Its 16GB GDDR6 VRAM paired with 576 GB/s of memory bandwidth gives it a meaningful edge in workloads where texture headroom and data throughput are regularly tested, and the inclusion of ECC support and Double Precision Floating Point capability extends its relevance into GPU compute use cases that go beyond standard gaming. The 260W TDP and lack of DLSS or XeSS upscaling do narrow its appeal for certain builds and user preferences, but for those operating within AMD-native ecosystems and needing a capable, multi-display-ready card with broad API support, the RX 7900 GRE OC presents a well-rounded and technically coherent option.