PowerColor Hellhound Radeon RX 7900 GRE OC
AMD AMD Radeon RX 7900 GRE Speed index 40/100 Last updated:

PowerColor Hellhound Radeon RX 7900 GRE OC Benchmark and Specs

Here you will find all technical data as well as various benchmarks of the PowerColor Hellhound Radeon RX 7900 GRE OC. 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 GRE OC is 2.366 GHz, so the graphics card achieves an FP32 computing power of 48.46 TFLOPS.
FP32
48.46TFLOPS
Boost Clock
2.37GHz
Memory
16GB GDDR6
TDP
260 W

Technical details

GPU

The PowerColor Hellhound Radeon RX 7900 GRE OC is equipped with 80 execution and 5120 shader units. With single precision, a theoretical FP32 computing power of 48.46 TFLOPS is achieved.

GPU Chip
Navi 31 (RDNA 3)
Streaming Multiprocessors
80
Shader
5120
Render Output Units
192
Texture Units
320
Raytracing Cores
80

Memory

The PowerColor Hellhound Radeon RX 7900 GRE OC has a 256 bit wide memory interface, with which a memory bandwidth of 576 GB/s is achieved. In total, 16 GB GDDR6 graphics memory is available for the graphics card.

Memory Size
16 GB
Memory Type
GDDR6
Memory Clock
2.250 GHz
Memory Speed
18.0 Gbps
Memory bandwidth
576 GB/s
Memory Interface
256 bit

Clock Speeds

The manufacturer specifies the memory clock of the PowerColor Hellhound Radeon RX 7900 GRE OC with (base clock) or with 2.366 GHz (turbo clock). If overclocking is supported (see below), the clock rate can be increased even further.

Boost Clock
2.366 GHz+5 %
Avg (Game) Clock
2.013 GHz+7 %
Overclocking
Yes

Thermal Design

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

TDP
260 W (Reference)
Tjunction max
97 °C
PCIe-Power
2 x 8-Pin

Cooler & Fans

The PowerColor Hellhound Radeon RX 7900 GRE OC 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 GRE OC, 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 GRE OC 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 GRE OC 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 GRE OC are 322 mm in length, 134 mm in height and 50 mm in width. Thus 3 PCIe-Slots are needed in a case.

Length
322 mm
Height
134 mm
Width
50 mm
Width (Slots)
3 PCIe-Slots
SFF-Ready
No

Additional data

The PowerColor Hellhound Radeon RX 7900 GRE OC is manufactured in a structure width of 5 nm and has a PCIe 4 x 16 lanes interface. The graphics card was released in Q1/2024.

GPU Interface
PCIe 4 x 16
Release date
Q1/2024
Launch Price
799 $ (Reference)
Structure size
5 nm
Part-no
RX 7900 GRE 16G-L/OC
Documents
data sheet
PowerColor Hellhound Radeon RX 7900 GRE OC
· 16 GB · 260 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 916 / 5,633

  1. PowerColor Hellhound Radeon RX 7900 GRE OCPowerColor Hellhound Radeon RX 7900 GRE OC16 GB GDDR6
    10,430
  2. AMD Radeon RX 7900 GREAMD Radeon RX 7900 GREAverage of gpu group
    10,156

Port Royal (Raytracing) Rank 1,217 / 4,176

  1. PowerColor Hellhound Radeon RX 7900 GRE OCPowerColor Hellhound Radeon RX 7900 GRE OC16 GB GDDR6
    11,859
  2. AMD Radeon RX 7900 GREAMD Radeon RX 7900 GREAverage of gpu group
    11,548

Speed Way Graphics Score (Raytracing) Rank 1,472 / 3,536

  1. PowerColor Hellhound Radeon RX 7900 GRE OCPowerColor Hellhound Radeon RX 7900 GRE OC16 GB GDDR6
    4,391
  2. AMD Radeon RX 7900 GREAMD Radeon RX 7900 GREAverage of gpu group
    4,276

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 1,850 / 3,187

  1. PowerColor Hellhound Radeon RX 7900 GRE OCPowerColor Hellhound Radeon RX 7900 GRE OC16 GB GDDR6
    42 fps (avg)
  2. AMD Radeon RX 7900 GREAMD Radeon RX 7900 GREAverage of gpu group
    40 fps (avg)

2560x1440 (1440p) Rank 664 / 3,190

  1. PowerColor Hellhound Radeon RX 7900 GRE OCPowerColor Hellhound Radeon RX 7900 GRE OC16 GB GDDR6
    93 fps (avg)
  2. AMD Radeon RX 7900 GREAMD Radeon RX 7900 GREAverage of gpu group
    88 fps (avg)

1920x1080 (1080p) Rank 574 / 3,222

  1. PowerColor Hellhound Radeon RX 7900 GRE OCPowerColor Hellhound Radeon RX 7900 GRE OC16 GB GDDR6
    137 fps (avg)
  2. AMD Radeon RX 7900 GREAMD Radeon RX 7900 GREAverage of gpu group
    130 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 644 / 2,190

  1. PowerColor Hellhound Radeon RX 7900 GRE OCPowerColor Hellhound Radeon RX 7900 GRE OC16 GB GDDR6
    42 fps (avg)
  2. AMD Radeon RX 7900 GREAMD Radeon RX 7900 GREAverage of gpu group
    40 fps (avg)

2560x1440 (1440p) Rank 561 / 2,709

  1. PowerColor Hellhound Radeon RX 7900 GRE OCPowerColor Hellhound Radeon RX 7900 GRE OC16 GB GDDR6
    86 fps (avg)
  2. AMD Radeon RX 7900 GREAMD Radeon RX 7900 GREAverage of gpu group
    82 fps (avg)

1920x1080 (1080p) Rank 1,150 / 2,843

  1. PowerColor Hellhound Radeon RX 7900 GRE OCPowerColor Hellhound Radeon RX 7900 GRE OC16 GB GDDR6
    120 fps (avg)
  2. AMD Radeon RX 7900 GREAMD Radeon RX 7900 GREAverage of gpu group
    114 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 975 / 5,255

  1. PowerColor Hellhound Radeon RX 7900 GRE OCPowerColor Hellhound Radeon RX 7900 GRE OC16 GB GDDR6
    170,588
  2. AMD Radeon RX 7900 GREAMD Radeon RX 7900 GREAverage of gpu group
    161,858

Geekbench 6 - Vulkan Rank 763 / 5,233

  1. PowerColor Hellhound Radeon RX 7900 GRE OCPowerColor Hellhound Radeon RX 7900 GRE OC16 GB GDDR6
    168,074
  2. AMD Radeon RX 7900 GREAMD Radeon RX 7900 GREAverage of gpu group
    159,473

MonkeyBench 2026.3 · browser GPU test

Average of 19 public MonkeyBench results (WebGPU) for the AMD Radeon RX 7900 GRE.

790GPU points (Ø)
Rank 14 / 537 · in the MonkeyBench GPU ranking

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