PowerColor Hellhound Radeon RX 7900 XT
AMD AMD Radeon RX 7900 XT Speed index 44/100 Last updated:

PowerColor Hellhound Radeon RX 7900 XT Benchmark and Specs

Here you will find all technical data as well as various benchmarks of the PowerColor Hellhound Radeon RX 7900 XT. Up to 4 screens with a maximum resolution of up to 7680x4320 can be operated with this graphics card. The maximum turbo clock of the PowerColor Hellhound Radeon RX 7900 XT is 2.500 GHz, so the graphics card achieves an FP32 computing power of 53.76 TFLOPS.
FP32
53.76TFLOPS
Boost Clock
2.50GHz
Memory
20GB GDDR6
TDP
300 W

Technical details

GPU

The PowerColor Hellhound Radeon RX 7900 XT is equipped with 84 execution and 5376 shader units. With single precision, a theoretical FP32 computing power of 53.76 TFLOPS is achieved.

GPU Chip
Navi 31 (RDNA 3)
Streaming Multiprocessors
84
Shader
5376
Render Output Units
192
Texture Units
336
Raytracing Cores
84

Memory

The PowerColor Hellhound Radeon RX 7900 XT has a 320 bit wide memory interface, with which a memory bandwidth of 800 GB/s is achieved. In total, 20 GB GDDR6 graphics memory is available for the graphics card.

Memory Size
20 GB
Memory Type
GDDR6
Memory Clock
2.500 GHz
Memory Speed
20.0 Gbps
Memory bandwidth
800 GB/s
Memory Interface
320 bit

Clock Speeds

The manufacturer specifies the memory clock of the PowerColor Hellhound Radeon RX 7900 XT with 1.500 GHz (base clock) or with 2.500 GHz (turbo clock). If overclocking is supported (see below), the clock rate can be increased even further.

Base Clock
1.500 GHz
Boost Clock
2.500 GHz+4 %
Avg (Game) Clock
2.130 GHz
Overclocking
Yes

Thermal Design

The PowerColor Hellhound Radeon RX 7900 XT has 2 x 8-Pin plugs, which supply the graphics card with energy. The maximum operating temperature of the card is 97 °C.

TDP
300 W
Tjunction max
97 °C
PCIe-Power
2 x 8-Pin

Cooler & Fans

The PowerColor Hellhound Radeon RX 7900 XT is equipped with 3 Axial main fans, which are used to cool the graphics processor and graphics memory.

Fan-Type
Axial
Fan 1
2 x 100 mm
Fan 2
1 x 90 mm
Cooler-Type
Air cooling
Noise (Idle)
0 dB / Silent

Connectivity

Up to 4 screens can be connected to the PowerColor Hellhound Radeon RX 7900 XT, whereby the backward-compatible HDCP copy protection is supported in the 2.3 version.

Max. Displays
4
HDCP
2.3
HDMI
1x HDMI 2.1
DisplayPort
3x DP 2.1

Featureset

The PowerColor Hellhound Radeon RX 7900 XT supports a maximum resolution of 7680x4320 pixels and the DirectX standard version 12_2 (Ultimate).

Max. resolution
7680x4320
DirectX
12_2 (Ultimate)
Raytracing
Yes
DLSS / FSR
Yes
LED
Addressable LED

Supported Video Codecs

Here is a list of which video codecs can be decoded / encoded by the PowerColor Hellhound Radeon RX 7900 XT in hardware in order to minimize the processor load.

h264
Decode / Encode
h265 / HEVC
Decode / Encode
VP8
Decode / Encode
VP9
Decode / Encode
AV1
Decode / Encode

Dimensions

The dimensions of the PowerColor Hellhound Radeon RX 7900 XT are 320 mm in length, 119 mm in height and 62 mm in width. Thus 3 PCIe-Slots are needed in a case.

Length
320 mm
Height
119 mm
Width
62 mm
Width (Slots)
3 PCIe-Slots
SFF-Ready
No

Additional data

The PowerColor Hellhound Radeon RX 7900 XT is manufactured in a structure width of 5 nm and has a PCIe 4 x 16 lanes interface. The graphics card was released in Q4/2022.

GPU Interface
PCIe 4 x 16
Release date
Q4/2022
Launch Price
899 $ (Reference)
Structure size
5 nm
Part-no
RX 7900 XT 20G-L/OC
Documents
data sheet
PowerColor Hellhound Radeon RX 7900 XT
1.500 GHz · 20 GB · 300 W TDP
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Benchmark results

3DMark Benchmark (DirectX, Raytracing)

3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.

Time Spy Extreme Graphics score Rank 527 / 5,633

  1. PowerColor Hellhound Radeon RX 7900 XTPowerColor Hellhound Radeon RX 7900 XT20 GB GDDR6
    12,712
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    12,685

Port Royal (Raytracing) Rank 710 / 4,176

  1. PowerColor Hellhound Radeon RX 7900 XTPowerColor Hellhound Radeon RX 7900 XT20 GB GDDR6
    14,260
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    14,229

Speed Way Graphics Score (Raytracing) Rank 1,321 / 3,536

  1. PowerColor Hellhound Radeon RX 7900 XTPowerColor Hellhound Radeon RX 7900 XT20 GB GDDR6
    4,623
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    4,613

Cyberpunk 2077

Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.

3840x2160 (2160p) Rank 1,243 / 3,187

  1. PowerColor Hellhound Radeon RX 7900 XTPowerColor Hellhound Radeon RX 7900 XT20 GB GDDR6
    52 fps (avg)
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    50 fps (avg)

2560x1440 (1440p) Rank 491 / 3,190

  1. PowerColor Hellhound Radeon RX 7900 XTPowerColor Hellhound Radeon RX 7900 XT20 GB GDDR6
    110 fps (avg)
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    94 fps (avg)

1920x1080 (1080p) Rank 384 / 3,222

  1. PowerColor Hellhound Radeon RX 7900 XTPowerColor Hellhound Radeon RX 7900 XT20 GB GDDR6
    165 fps (avg)
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    158 fps (avg)

The Last of Us Part 1

The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.

3840x2160 (2160p) Rank 421 / 2,190

  1. PowerColor Hellhound Radeon RX 7900 XTPowerColor Hellhound Radeon RX 7900 XT20 GB GDDR6
    46 fps (avg)
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    44 fps (avg)

2560x1440 (1440p) Rank 422 / 2,709

  1. PowerColor Hellhound Radeon RX 7900 XTPowerColor Hellhound Radeon RX 7900 XT20 GB GDDR6
    92 fps (avg)
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    88 fps (avg)

1920x1080 (1080p) Rank 419 / 2,843

  1. PowerColor Hellhound Radeon RX 7900 XTPowerColor Hellhound Radeon RX 7900 XT20 GB GDDR6
    144 fps (avg)
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    138 fps (avg)

Geekbench 6 (OpenCL, Vulkan, Metal)

Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.

Geekbench 6 - OpenCL Rank 827 / 5,255

  1. PowerColor Hellhound Radeon RX 7900 XTPowerColor Hellhound Radeon RX 7900 XT20 GB GDDR6
    177,138
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    170,054

Geekbench 6 - Vulkan Rank 270 / 5,233

  1. PowerColor Hellhound Radeon RX 7900 XTPowerColor Hellhound Radeon RX 7900 XT20 GB GDDR6
    204,631
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    196,447

MonkeyBench 2026.3 · browser GPU test

Average of 10 public MonkeyBench results (WebGPU) for the AMD Radeon RX 7900 XT.

912GPU points (Ø)
Rank 10 / 368 · in the MonkeyBench GPU ranking

More benchmarks

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