PowerColor Hellhound Radeon RX 7900 XT
Benchmark and Specs
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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.
GPUThe 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. |
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| Based on: | AMD Radeon RX 7900 XT |
| GPU Chip: | Navi 31 (RDNA 3) |
| Streaming Multiprocessors: | 84 |
| Shader: | 5376 |
| Render Output Units: | 192 |
| Texture Units: | 336 |
| Raytracing Cores: | 84 |
MemoryThe 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. |
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| 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 SpeedsThe 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. |
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| Base Clock: | 1.500 GHz |
| Boost Clock: | 2.500 GHz + 4 % |
| Avg (Game) Clock: | 2.130 GHz |
| Overclocking: | Yes |
Thermal DesignThe 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. |
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| TDP: | 300 W |
| TDP (up): | -- |
| Tjunction max: | 97 °C |
| PCIe-Power: | 2 x 8-Pin |
Cooler & FansThe PowerColor Hellhound Radeon RX 7900 XT is equipped with 3 Axial main fans, which are used to cool the graphics processor and graphics memory. |
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| Fan-Type: | Axial |
| Fan 1: | 2 x 100 mm |
| Fan 2: | 1 x 90 mm |
| Cooler-Type: | Air cooling |
| Noise (Idle): | 0 dB / Silent |
| Noise (Load): | -- |
ConnectivityUp 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. |
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| Max. Displays: | 4 |
| HDCP-Version: | 2.3 |
| HDMI Ports: | 1x HDMI v2.1 |
| DP Ports: | 3x DP v2.1 |
| DVI Ports: | -- |
| VGA Ports: | -- |
| USB-C Ports: | -- |
FeaturesetThe PowerColor Hellhound Radeon RX 7900 XT supports a maximum resolution of 7680x4320 pixels and the DirectX standard version 12_2 (Ultimate). |
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| Max. resolution: | 7680x4320 |
| DirectX: | 12_2 (Ultimate) |
| Raytracing: | Yes |
| DLSS / FSR: | Yes |
| LED: | Addressable LED |
Supported Video CodecsHere 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. |
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| h264: | Decode / Encode |
| h265 / HEVC: | Decode / Encode |
| VP8: | Decode / Encode |
| VP9: | Decode / Encode |
| AV1: | Decode / Encode |
DimensionsThe 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. |
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| Length: | 320 mm |
| Height: | 119 mm |
| Width: | 62 mm |
| Width (Slots): | 3 PCIe-Slots |
| Weight: | -- |
Additional dataThe 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. |
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| 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 |
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
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PowerColor Hellhound Radeon RX 7900 XT
20 GB GDDR6 |
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AMD Radeon RX 7900 XT
Average of gpu group |
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Port Royal (Raytracing)
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PowerColor Hellhound Radeon RX 7900 XT
20 GB GDDR6 |
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AMD Radeon RX 7900 XT
Average of gpu group |
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Speed Way Graphics Score (Raytracing)
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PowerColor Hellhound Radeon RX 7900 XT
20 GB GDDR6 |
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AMD Radeon RX 7900 XT
Average of gpu group |
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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)
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PowerColor Hellhound Radeon RX 7900 XT
20 GB GDDR6 |
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AMD Radeon RX 7900 XT
Average of gpu group |
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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)
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PowerColor Hellhound Radeon RX 7900 XT
20 GB GDDR6 |
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AMD Radeon RX 7900 XT
Average of gpu group |
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2560x1440 (1440p)
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PowerColor Hellhound Radeon RX 7900 XT
20 GB GDDR6 |
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AMD Radeon RX 7900 XT
Average of gpu group |
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1920x1080 (1080p)
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PowerColor Hellhound Radeon RX 7900 XT
20 GB GDDR6 |
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AMD Radeon RX 7900 XT
Average of gpu group |
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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
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PowerColor Hellhound Radeon RX 7900 XT
20 GB GDDR6 |
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AMD Radeon RX 7900 XT
Average of gpu group |
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Geekbench 6 - Vulkan
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PowerColor Hellhound Radeon RX 7900 XT
20 GB GDDR6 |
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AMD Radeon RX 7900 XT
Average of gpu group |
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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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PowerColor Hellhound Radeon RX 7900 XT
20 GB GDDR6 |
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More benchmarks
In order to determine the performance of a graphics card, so-called "benchmarks" are carried out. The benchmark software carries out special calculations to determine the performance of a graphics card. We use so-called theoretical or synthetic benchmarks (e.g. 3D Mark) as well as real game benchmarks. To ensure real comparability of the results, we pay attention to the correct execution of the benchmarks as well as the condition of the graphics card and the system.We use the following benchmarks to measure the performance of a graphics card:
3DMark Benchmark
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The Last of Us Part 1
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GTA 5 Benchmark
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Shadow of the Tomb Raider
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Geekbench 6
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FP32 Performance
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