GPU comparison with benchmarksIn the gpu comparison between the SAPPHIRE Radeon RX 7900 XT 20GB and the XFX Radeon RX 550 2GB Slim Single Slot Design, we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe SAPPHIRE Radeon RX 7900 XT 20GB is based on the AMD Radeon RX 7900 XT and has 5376 texture shaders and 84 execution units. XFX Radeon RX 550 2GB Slim Single Slot Design is based on AMD Radeon RX 550 (Lexa), which has 512 shaders and 8 execution units. |
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SAPPHIRE Radeon RX 7900 XT 20GB | GPU | XFX Radeon RX 550 2GB Slim Single Slot Design |
AMD Radeon RX 7900 XT | Based on | AMD Radeon RX 550 (Lexa) |
Navi 31 | GPU Chip | Lexa PRO |
RDNA 3 | Architecture | GCN 4 |
84 | Streaming Multiprocessors | 8 |
5376 | Shader | 512 |
192 | Render Output Units | 16 |
336 | Texture Units | 32 |
84 | Raytracing Cores | 0 |
MemoryThe SAPPHIRE Radeon RX 7900 XT 20GB has 20 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 800 GB/s. The XFX Radeon RX 550 2GB Slim Single Slot Design can access 2 GB GDDR5 graphics memory and thus achieves a memory bandwidth of 112 GB/s. |
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20 GB | Memory Size | 2 GB |
GDDR6 | Memory Type | GDDR5 |
2.500 GHz | Memory Clock | 1.750 GHz |
20.0 Gbps | Memory Speed | 7.0 Gbps |
800 GB/s | Memory bandwidth | 112 GB/s |
320 bit | Memory Interface | 128 bit |
Clock SpeedsThe SAPPHIRE Radeon RX 7900 XT 20GB clocks in the base with up to 1.500 GHz. The base frequency of the XFX Radeon RX 550 2GB Slim Single Slot Design is 1.100 GHz. |
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1.500 GHz | Base Clock | 1.100 GHz |
2.400 GHz | Boost Clock | 1.203 GHz |
2.00 GHz | Avg (Game) Clock | |
Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the SAPPHIRE Radeon RX 7900 XT 20GB is 308 W. The graphics card is supplied with energy via the 2 x 8-Pin connector. The XFX Radeon RX 550 2GB Slim Single Slot Design has a TDP of 50 W and is supplied with the required energy via PCIe power connectors. |
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308 W | TDP | 50 W |
-- | TDP (up) | -- |
97 °C | Tjunction max | 80 °C |
2 x 8-Pin | PCIe-Power |
Cooler & FansThe SAPPHIRE Radeon RX 7900 XT 20GB has a total of 3 Axial fans. The XFX Radeon RX 550 2GB Slim Single Slot Design has 1 Axial fans to cool the GPU and memory. |
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Axial | Fan-Type | Axial |
3 x 90 mm | Fan 1 | 1 x 75 mm |
-- | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | dB |
-- | Noise (Load) | -- |
ConnectivityIn the connectivity category, we recorded the number of ports on a graphics card. A total of 4 screens can be connected to the SAPPHIRE Radeon RX 7900 XT 20GB. The XFX Radeon RX 550 2GB Slim Single Slot Design supports a maximum of 4 screens. |
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4 | Max. Displays | 4 |
2.3 | HDCP-Version | 2.2 |
1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.0b |
2x DP v2.1 | DP Ports | 1x DP v1.4 |
-- | DVI Ports | 1 |
-- | VGA Ports | -- |
1 | USB-C Ports | -- |
FeaturesetThe SAPPHIRE Radeon RX 7900 XT 20GB supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the XFX Radeon RX 550 2GB Slim Single Slot Design is 5120x2880 pixels. |
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7680x4320 | Max. resolution | 5120x2880 |
12_2 (Ultimate) | DirectX | 12 |
Yes | Raytracing | No |
Yes | DLSS / FSR | Yes |
No LED lighting | LED | No LED lighting |
Supported Video CodecsThe support and acceleration of certain video codecs directly in the graphics card reduces the load when playing or creating videos. |
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Decode / Encode | h264 | Decode / Encode |
Decode / Encode | h265 / HEVC | Decode / Encode |
Decode / Encode | AV1 | No |
Decode / Encode | VP8 | Decode |
Decode / Encode | VP9 | Decode |
DimensionsThe SAPPHIRE Radeon RX 7900 XT 20GB is 276 mm long, 113 mm high and 51 mm wide. The XFX Radeon RX 550 2GB Slim Single Slot Design is 170 mm long, 121 mm high and 21 mm wide. |
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276 mm | Length | 170 mm |
113 mm | Height | 121 mm |
51 mm | Width | 21 mm |
3 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
-- | Weight | -- |
PCIe 4 x 16 | GPU Interface | PCIe 3.0 x 8 |
Additional dataThe SAPPHIRE Radeon RX 7900 XT 20GB was released in Q4/2022 at a price of 899 $. The XFX Radeon RX 550 2GB Slim Single Slot Design was introduced in Q4/2017 at a price of 79 $. |
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21323-01-20G | Part-no | RX-550P2TFG5 |
Q4/2022 | Release date | Q4/2017 |
899 $ | Launch Price | 79 $ |
5 nm | Structure size | 14 nm |
data sheet | Documents | -- |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Radeon RX 550 2GB Slim Single Slot Design
2 GB GDDR5 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Radeon RX 550 2GB Slim Single Slot Design
2 GB GDDR5 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Radeon RX 550 2GB Slim Single Slot Design
2 GB GDDR5 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Radeon RX 550 2GB Slim Single Slot Design
2 GB GDDR5 |