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PowerColor Hellhound Radeon RX 7600 XT specifications and in-depth review

PowerColor Hellhound Radeon RX 7600 XT

Manufacturer: PowerColor

The PowerColor Hellhound Radeon RX 7600 XT is a graphics card based on AMD's RDNA 3.0 architecture, manufactured on a 6 nm process node with 13,300 million transistors. It operates at a base clock of 2029 MHz and boosts up to 2810 MHz, backed by 2,048 shading units, 128 texture mapping units, and 64 render output units that together deliver 23.02 TFLOPS of floating-point performance, a texture rate of 359.7 GTexels/s, and a pixel rate of 179.8 GPixel/s.

The card is fitted with 16GB of GDDR6 VRAM on a 128-bit memory bus running at an effective speed of 18,000 MHz, yielding a maximum bandwidth of 288 GB/s. ECC memory is supported, and the feature set includes DirectX 12 Ultimate, OpenGL 4.6, OpenCL 2.2, ray tracing, stereoscopic 3D, and AMD SAM. DLSS and XeSS are not supported. Output connectivity covers one HDMI 2.1 port and three DisplayPort connections for up to four displays simultaneously. The card has a TDP of 190W, connects via PCIe 4, and measures 233 mm in length and 148 mm in height, with no RGB lighting included.

Pros
  • 16GB of GDDR6 VRAM provides a generous memory capacity for a card in this tier, leaving headroom for texture-heavy and memory-intensive workloads
  • At 233 mm in length and 148 mm in height, the compact dimensions make it compatible with a broader range of cases, including smaller mid-tower builds
  • A TDP of 190W keeps power consumption relatively moderate, easing demands on the system power supply
  • ECC memory support adds data integrity protection useful for tasks where memory errors could affect output accuracy
  • AMD SAM is included, allowing the CPU to access the full GPU memory pool for improved resource utilization
  • Ray tracing is hardware-supported, enabling accelerated real-time lighting effects within compatible applications
Cons
  • The 128-bit memory bus width results in a maximum bandwidth of 288 GB/s, which may become a bottleneck in bandwidth-sensitive workloads given the 16GB memory capacity
  • DLSS and XeSS (XMX) are both absent, leaving no AI-based upscaling option available on this card
  • RGB lighting is not included, which may be a drawback for users who prioritize visual customization in their build
  • OpenCL support is limited to version 2.2, which is behind the latest available version and may affect compatibility with some compute workloads
  • No USB-C, DVI, or mini DisplayPort outputs are present, limiting connectivity options for certain display configurations
Who is this for?

This card is a practical fit for users building in compact or smaller mid-tower cases, where its 233 mm length and 148 mm height allow installation without the clearance concerns that larger cards impose. Its 190W TDP also makes it manageable for systems where power delivery headroom is limited. The 16GB of GDDR6 VRAM gives it room to handle memory-intensive workloads, and ECC memory support adds reliability for users who run tasks where data accuracy matters. Those working within environments that use AMD SAM and can benefit from CPU-side access to the full GPU memory pool will find that feature a practical addition to their workflow.

Who is this NOT for?

Users who rely on AI-based upscaling will find this card lacking, as neither DLSS nor XeSS (XMX) is supported, leaving no software-based resolution scaling option available. The 128-bit memory bus limits peak bandwidth to 288 GB/s, which may prove restrictive for highly bandwidth-sensitive workloads despite the generous 16GB VRAM capacity. Those who prioritize visual customization in their build will also note the absence of RGB lighting. Additionally, users on OpenCL workflows that depend on version 3 support may encounter compatibility gaps, as the card only reaches OpenCL 2.2.

Performance:

GPU clock speed 2029 MHz
GPU turbo 2810 MHz
pixel rate 179.8 GPixel/s
floating-point performance 23.02 TFLOPS
texture rate 359.7 GTexels/s
GPU memory speed 2250 MHz
shading units 2048
texture mapping units (TMUs) 128
render output units (ROPs) 64
Has Double Precision Floating Point (DPFP) ✓

The GPU runs at a base clock of 2029 MHz and climbs to a turbo frequency of 2810 MHz, supported by 2,048 shading units, 128 texture mapping units, and 64 render output units. These translate into a floating-point throughput of 23.02 TFLOPS, a texture rate of 359.7 GTexels/s, and a pixel rate of 179.8 GPixel/s. GPU memory operates at 2250 MHz, and Double Precision Floating Point is supported, extending the card's reach to workloads that require higher numerical precision.

Memory:

effective memory speed 18000 MHz
maximum memory bandwidth 288 GB/s
VRAM 16GB
GDDR version GDDR6
memory bus width 128-bit
Supports ECC memory ✓

The card comes with 16GB of GDDR6 VRAM operating across a 128-bit memory bus at an effective speed of 18,000 MHz, producing a maximum bandwidth of 288 GB/s. While the bus width is on the narrower side for this memory capacity, ECC memory support is included, providing error detection and correction for tasks where data integrity is a practical concern.

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 card supports DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 2.2, alongside hardware-accelerated ray tracing and stereoscopic 3D. Multi-display technology is enabled with up to four simultaneous outputs, and AMD SAM is included to allow the CPU to access the full GPU memory pool. DLSS, XeSS (XMX), and LHR are not supported, and RGB lighting is absent from this model, reflecting a more utility-focused design approach.

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 offers one HDMI 2.1 port alongside three DisplayPort outputs, providing a total of four available display connections. USB-C, DVI, and mini DisplayPort outputs are not included on this model.

General info:

GPU architecture RDNA 3.0
Thermal Design Power (TDP) 190W
PCI Express (PCIe) version 4
semiconductor size 6 nm
number of transistors 13300 million
Has air-water cooling ✕
width 233 mm
height 148 mm

The card is built on the RDNA 3.0 architecture, fabbed on a 6 nm process node with 13,300 million transistors, and interfaces with the system via PCIe 4. It carries a TDP of 190W, which places a moderate demand on the power supply relative to higher-tier cards. Air-water hybrid cooling is not supported, so thermal management is handled entirely by the card's own cooling solution. At 233 mm in length and 148 mm in height, the physical footprint is compact enough to fit comfortably in a wider range of cases than many larger graphics cards.

Final Verdict

The PowerColor Hellhound Radeon RX 7600 XT is a graphics card that carves out a clear identity through its compact dimensions, moderate power draw, and a notably generous 16GB of GDDR6 VRAM for its tier — a combination that suits space-conscious builds and workflows where memory capacity carries more weight than raw bandwidth. Ray tracing support, ECC memory, and AMD SAM round out a feature set that covers the essentials without unnecessary excess. That said, the 128-bit bus and absence of any AI-based upscaling option are real trade-offs that narrow its appeal for users with bandwidth-heavy or upscaling-dependent workloads. Taken as a whole, it is a well-defined card that rewards users whose priorities align with what its specification sheet actually delivers.