PowerColor Hellhound Radeon RX 7900 XT
vs
ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC


GPU comparison with benchmarks

The PowerColor Hellhound Radeon RX 7900 XT has 5376 shader units and these clock a maximum of 2.50 GHz which results in an FP32 computing power of 53.76 TFLOPS.

The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC has 5376 shader units and these clock at a maximum of 2.45 GHz and achieve an FP32 computing power of 52.69 TFLOPS.

GPU

The PowerColor Hellhound Radeon RX 7900 XT is equipped with a graphics chip of the RDNA 3 architecture, which has 84 streaming multiprocessors.

The graphics card ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC is based on the RDNA 3 architecture and is equipped with 84 execution units.
PowerColor Hellhound Radeon RX 7900 XT GPU ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC
AMD Radeon RX 7900 XT Based on AMD Radeon RX 7900 XT
Navi 31 GPU Chip Navi 31
RDNA 3 Architecture RDNA 3
84 Streaming Multiprocessors 84
5376 Shader 5376
192 Render Output Units 192
336 Texture Units 336
84 Raytracing Cores 84

Memory

The PowerColor Hellhound Radeon RX 7900 XT is equipped with a 20 GB large GDDR6 graphics memory, which is equipped with 2.500 GHz clocks.

The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC has a 20 GB large GDDR6 graphics memory and the memory clock is 2.500GHz.

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

Clock Speeds

The PowerColor Hellhound Radeon RX 7900 XT has a turbo clock of 2.500 GHzDeviation vs GPU group+ 4 %. The turbo frequency of the ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC is 2.450 GHzDeviation vs GPU group+ 2 %.

1.500 GHz Base Clock 1.500 GHz
2.500 GHzDeviation vs GPU group+ 4 % Boost Clock 2.450 GHzDeviation vs GPU group+ 2 %
2.13 GHz Avg (Game) Clock 2.08 GHz
Yes Overclocking Yes

Thermal Design

The PowerColor Hellhound Radeon RX 7900 XT has 2 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 97 °C.

The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC is equipped with a 2 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 97 °C.

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

Cooler & Fans

The graphics processor and graphics memory of the PowerColor Hellhound Radeon RX 7900 XT are cooled with a Air cooling.

The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC is cooled by a Air cooling.

Axial Fan-Type Axial
2 x 100 mm Fan 1 3 x 100 mm
1 x 90 mm Fan 2 --
Air cooling Cooler-Type Air cooling
0 dB Noise (Idle) 0 dB
-- Noise (Load) --

Connectivity

The PowerColor Hellhound Radeon RX 7900 XT supports the downward compatible copy protection HDCP in version 2.3.

The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC supports HDCP in version 2.3 and all previous versions.

4 Max. Displays 4
2.3 HDCP-Version 2.3
1x HDMI v2.1 HDMI Ports 1x HDMI v2.1
3x DP v2.1 DP Ports 3x DP v2.1
-- DVI Ports --
-- VGA Ports --
-- USB-C Ports --

Featureset

The PowerColor Hellhound Radeon RX 7900 XT supports the DirectX standard from Microsoft in version 12_2 (Ultimate).

The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC supports Microsoft's DirectX version 12_2 (Ultimate).

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

Supported Video Codecs

This area lists which video codecs can be decoded or encoded by the graphics cards in hardware. As a result, the power consumption can be reduced due to a lower processor load.

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

Dimensions

The PowerColor Hellhound Radeon RX 7900 XT is 62 mm wide and therefore needs the space of 3 PCIe-Slots in the case.

The width of the ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC is 62 mm and thus requires the space of 3 PCIe-Slots in the PC case.

320 mm Length 330 mm
119 mm Height 140 mm
62 mm Width 58 mm
3 PCIe-Slots Width (Slots) 3 PCIe-Slots
-- Weight 1450 g
PCIe 4 x 16 GPU Interface PCIe 4 x 16

Additional data

Manufactured using the 5 nanometer process, PowerColor Hellhound Radeon RX 7900 XT was released in Q4/2022.

The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC published in Q4/2022 is manufactured with a structure width of 5 nanometers.

RX 7900 XT 20G-L/OC Part-no RX7900XT PG 20GO
Q4/2022 Release date Q4/2022
899 $ (Reference) Launch Price 899 $ (Reference)
5 nm Structure size 5 nm
data sheet Documents data sheet

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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

Port Royal (Raytracing)

Speed Way Graphics Score (Raytracing)

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.

2560x1440 (1440p)

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)

2560x1440 (1440p)

1920x1080 (1080p)

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

Geekbench 6 - Vulkan

FP32 Performance (Single-precision TFLOPS)

The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.

FP32 (TFLOPS)

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