GPU comparison with benchmarksThe SAPPHIRE PULSE Radeon RX 7900 XT has 5376 shader units and these clock a maximum of 2.45 GHz which results in an FP32 computing power of 52.69 TFLOPS.
The PowerColor Hellhound Radeon RX 7900 GRE OC has 5120 shader units and these clock at a maximum of 2.37 GHz and achieve an FP32 computing power of 48.46 TFLOPS. |
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GPUThe SAPPHIRE PULSE Radeon RX 7900 XT is equipped with a graphics chip of the RDNA 3 architecture, which has 84 streaming multiprocessors. The graphics card PowerColor Hellhound Radeon RX 7900 GRE OC is based on the RDNA 3 architecture and is equipped with 80 execution units. |
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SAPPHIRE PULSE Radeon RX 7900 XT | GPU | PowerColor Hellhound Radeon RX 7900 GRE OC |
AMD Radeon RX 7900 XT | Based on | AMD Radeon RX 7900 GRE |
Navi 31 | GPU Chip | Navi 31 |
RDNA 3 | Architecture | RDNA 3 |
84 | Streaming Multiprocessors | 80 |
5376 | Shader | 5120 |
192 | Render Output Units | 192 |
336 | Texture Units | 320 |
84 | Raytracing Cores | 80 |
MemoryThe SAPPHIRE PULSE Radeon RX 7900 XT is equipped with a 20 GB large GDDR6 graphics memory, which is equipped with 2.500 GHz clocks. The PowerColor Hellhound Radeon RX 7900 GRE OC has a 16 GB large GDDR6 graphics memory and the memory clock is 2.250GHz. |
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20 GB | Memory Size | 16 GB |
GDDR6 | Memory Type | GDDR6 |
2.500 GHz | Memory Clock | 2.250 GHz |
20.0 Gbps | Memory Speed | 18.0 Gbps |
800 GB/s | Memory bandwidth | 576 GB/s |
320 bit | Memory Interface | 256 bit |
Clock SpeedsThe SAPPHIRE PULSE Radeon RX 7900 XT has a turbo clock of 2.450 GHz. The turbo frequency of the PowerColor Hellhound Radeon RX 7900 GRE OC is 2.366 GHz. |
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1.500 GHz | Base Clock | |
2.450 GHz | Boost Clock | 2.366 GHz |
2.08 GHz | Avg (Game) Clock | 2.01 GHz |
Yes | Overclocking | Yes |
Thermal DesignThe SAPPHIRE PULSE 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 PowerColor Hellhound Radeon RX 7900 GRE 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. |
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331 W | TDP | 260 W (Reference) |
-- | TDP (up) | -- |
97 °C | Tjunction max | 97 °C |
2 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe graphics processor and graphics memory of the SAPPHIRE PULSE Radeon RX 7900 XT are cooled with a Air cooling. The PowerColor Hellhound Radeon RX 7900 GRE OC is cooled by a Air cooling. |
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Axial | Fan-Type | Axial |
3 x 90 mm | Fan 1 | 2 x 100 mm |
-- | Fan 2 | 1 x 90 mm |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | 0 dB |
-- | Noise (Load) | -- |
ConnectivityThe SAPPHIRE PULSE Radeon RX 7900 XT supports the downward compatible copy protection HDCP in version 2.3. The PowerColor Hellhound Radeon RX 7900 GRE OC supports HDCP in version 2.3 and all previous versions. |
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4 | Max. Displays | 4 |
2.3 | HDCP-Version | 2.3 |
2x HDMI v2.1 | HDMI Ports | 1x HDMI v2.1 |
2x DP v2.1 | DP Ports | 3x DP v2.1 |
-- | DVI Ports | -- |
-- | VGA Ports | -- |
-- | USB-C Ports | -- |
FeaturesetThe SAPPHIRE PULSE Radeon RX 7900 XT supports the DirectX standard from Microsoft in version 12_2 (Ultimate). The PowerColor Hellhound Radeon RX 7900 GRE OC supports Microsoft's DirectX version 12_2 (Ultimate). |
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7680x4320 | Max. resolution | 7680x4320 |
12_2 (Ultimate) | DirectX | 12_2 (Ultimate) |
Yes | Raytracing | Yes |
Yes | DLSS / FSR | Yes |
No LED lighting | LED | Addressable LED |
Supported Video CodecsThis 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. |
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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 |
DimensionsThe SAPPHIRE PULSE Radeon RX 7900 XT is 53 mm wide and therefore needs the space of 3 PCIe-Slots in the case. The width of the PowerColor Hellhound Radeon RX 7900 GRE OC is 53 mm and thus requires the space of 3 PCIe-Slots in the PC case. |
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313 mm | Length | 322 mm |
134 mm | Height | 134 mm |
53 mm | Width | 50 mm |
3 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
-- | Weight | -- |
PCIe 4 x 16 | GPU Interface | PCIe 4 x 16 |
Additional dataManufactured using the 5 nanometer process, SAPPHIRE PULSE Radeon RX 7900 XT was released in Q4/2022. The PowerColor Hellhound Radeon RX 7900 GRE OC published in Q1/2024 is manufactured with a structure width of 5 nanometers. |
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11323-02-20G | Part-no | RX 7900 GRE 16G-L/OC |
Q4/2022 | Release date | Q1/2024 |
899 $ (Reference) | Launch Price | 799 $ (Reference) |
5 nm | Structure size | 5 nm |
data sheet | Documents | data sheet |
SAPPHIRE PULSE Radeon RX 7900 XT
20 GB GDDR6 |
SAPPHIRE PULSE Radeon RX 7900 XT
20 GB GDDR6 |
SAPPHIRE PULSE Radeon RX 7900 XT
20 GB GDDR6 |
SAPPHIRE PULSE Radeon RX 7900 XT
20 GB GDDR6 |
SAPPHIRE PULSE Radeon RX 7900 XT
20 GB GDDR6 |
SAPPHIRE PULSE Radeon RX 7900 XT
20 GB GDDR6 |
SAPPHIRE PULSE Radeon RX 7900 XT
20 GB GDDR6 |
SAPPHIRE PULSE Radeon RX 7900 XT
20 GB GDDR6 |
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PowerColor Hellhound Radeon RX 7900 GRE OC
16 GB GDDR6 |
SAPPHIRE PULSE Radeon RX 7900 XT
20 GB GDDR6 |
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PowerColor Hellhound Radeon RX 7900 GRE OC
16 GB GDDR6 |
SAPPHIRE PULSE Radeon RX 7900 XT
20 GB GDDR6 |
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PowerColor Hellhound Radeon RX 7900 GRE OC
16 GB GDDR6 |