GPU comparison with benchmarksIn the gpu comparison between the AMD Radeon RX 6400 and the SAPPHIRE PULSE RX 550 2G G5 640SP, we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe AMD Radeon RX 6400 is based on the AMD Radeon RX 6400 and has 768 texture shaders and 12 execution units. SAPPHIRE PULSE RX 550 2G G5 640SP is based on AMD Radeon RX 550 (Baffin 10 CU), which has 640 shaders and 10 execution units. |
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AMD Radeon RX 6400 | GPU | SAPPHIRE PULSE RX 550 2G G5 640SP |
AMD Radeon RX 6400 | Based on | AMD Radeon RX 550 (Baffin 10 CU) |
Navi 24 XL | GPU Chip | Baffin LE |
RDNA 2 | Architecture | GCN 4 |
12 | Streaming Multiprocessors | 10 |
768 | Shader | 640 |
32 | Render Output Units | 16 |
48 | Texture Units | 40 |
12 | Raytracing Cores | 0 |
MemoryThe AMD Radeon RX 6400 has 4 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 128 GB/s. The SAPPHIRE PULSE RX 550 2G G5 640SP can access 2 GB GDDR5 graphics memory and thus achieves a memory bandwidth of 96 GB/s. |
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4 GB | Memory Size | 2 GB |
GDDR6 | Memory Type | GDDR5 |
2.000 GHz | Memory Clock | 1.500 GHz |
16.0 Gbps | Memory Speed | 6.0 Gbps |
128 GB/s | Memory bandwidth | 96 GB/s |
64 bit | Memory Interface | 128 bit |
Clock SpeedsThe AMD Radeon RX 6400 clocks in the base with up to 1.923 GHz. The base frequency of the SAPPHIRE PULSE RX 550 2G G5 640SP is 1.019 GHz. |
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1.923 GHz | Base Clock | 1.019 GHz |
2.321 GHz | Boost Clock | 1.071 GHz |
2.04 GHz | Avg (Game) Clock | |
Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the AMD Radeon RX 6400 is 53 W. The graphics card is supplied with energy via the connector. The SAPPHIRE PULSE RX 550 2G G5 640SP has a TDP of 65 W and is supplied with the required energy via PCIe power connectors. |
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53 W | TDP | 65 W |
-- | TDP (up) | -- |
97 °C | Tjunction max | 80 °C |
PCIe-Power |
Cooler & FansThe AMD Radeon RX 6400 has a total of 0 -- fans. The SAPPHIRE PULSE RX 550 2G G5 640SP has 1 Axial fans to cool the GPU and memory. |
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-- | Fan-Type | Axial |
-- | Fan 1 | 1 x 90 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 2 screens can be connected to the AMD Radeon RX 6400. The SAPPHIRE PULSE RX 550 2G G5 640SP supports a maximum of 4 screens. |
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2 | Max. Displays | 4 |
2.3 | HDCP-Version | 2.2 |
1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.0b |
1x DP v1.4a | DP Ports | 1x DP v1.4 |
-- | DVI Ports | 1 |
-- | VGA Ports | -- |
-- | USB-C Ports | -- |
FeaturesetThe AMD Radeon RX 6400 supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the SAPPHIRE PULSE RX 550 2G G5 640SP 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 | AV1 | No |
Decode / Encode | VP8 | Decode |
Decode / Encode | VP9 | Decode |
DimensionsThe AMD Radeon RX 6400 is -- long, -- high and -- wide. The SAPPHIRE PULSE RX 550 2G G5 640SP is 158 mm long, 112 mm high and 28 mm wide. |
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-- | Length | 158 mm |
-- | Height | 112 mm |
-- | Width | 28 mm |
-- | Width (Slots) | 2 PCIe-Slots |
-- | Weight | -- |
PCIe 4.0 x 4 | GPU Interface | PCIe 3.0 x 8 |
Additional dataThe AMD Radeon RX 6400 was released in Q2/2022 at a price of 159 $ (Reference). The SAPPHIRE PULSE RX 550 2G G5 640SP was introduced in Q4/2017 at a price of 79 $. |
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-- | Part-no | 11268-16 |
Q2/2022 | Release date | Q4/2017 |
159 $ (Reference) | Launch Price | 79 $ |
6 nm | Structure size | 14 nm |
data sheet | Documents | data sheet |
AMD Radeon RX 6400
4 GB GDDR6 |
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SAPPHIRE PULSE RX 550 2G G5 640SP
2 GB GDDR5 |
AMD Radeon RX 6400
4 GB GDDR6 |
AMD Radeon RX 6400
4 GB GDDR6 |
AMD Radeon RX 6400
4 GB GDDR6 |
AMD Radeon RX 6400
4 GB GDDR6 |
AMD Radeon RX 6400
4 GB GDDR6 |
AMD Radeon RX 6400
4 GB GDDR6 |
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SAPPHIRE PULSE RX 550 2G G5 640SP
2 GB GDDR5 |
AMD Radeon RX 6400
4 GB GDDR6 |
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SAPPHIRE PULSE RX 550 2G G5 640SP
2 GB GDDR5 |
AMD Radeon RX 6400
4 GB GDDR6 |
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SAPPHIRE PULSE RX 550 2G G5 640SP
2 GB GDDR5 |
AMD Radeon RX 6400
4 GB GDDR6 |
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SAPPHIRE PULSE RX 550 2G G5 640SP
2 GB GDDR5 |
AMD Radeon RX 6400
4 GB GDDR6 |
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SAPPHIRE PULSE RX 550 2G G5 640SP
2 GB GDDR5 |
AMD Radeon RX 6400
4 GB GDDR6 |
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SAPPHIRE PULSE RX 550 2G G5 640SP
2 GB GDDR5 |
AMD Radeon RX 6400
4 GB GDDR6 |
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SAPPHIRE PULSE RX 550 2G G5 640SP
2 GB GDDR5 |