GPU comparison with benchmarksThe MSI Radeon RX 6600 XT GAMING 8G is based on the AMD Radeon RX 6600 XT (RDNA 2) and has 8 GB GDDR6 graphics memory with a bandwidth of 256 GB/s.
The Sapphire NITRO+ RX 590 8G G5 is based on the AMD Radeon RX 590 (GCN 4) and has 8 GB GDDR5 graphics memory with a bandwidth of 269 GB/s. |
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GPUThe MSI Radeon RX 6600 XT GAMING 8G has the Navi 23 XT graphics chip installed, which is based on the RDNA 2 architecture. The Sapphire NITRO+ RX 590 8G G5 is based on the graphics chip Polaris 30 XT, which comes from the GCN 4 architecture. |
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MSI Radeon RX 6600 XT GAMING 8G | GPU | Sapphire NITRO+ RX 590 8G G5 |
AMD Radeon RX 6600 XT | Based on | AMD Radeon RX 590 |
Navi 23 XT | GPU Chip | Polaris 30 XT |
RDNA 2 | Architecture | GCN 4 |
32 | Streaming Multiprocessors | 36 |
2048 | Shader | 2304 |
64 | Render Output Units | 32 |
128 | Texture Units | 144 |
32 | Raytracing Cores | 0 |
MemoryThe graphics memory of the MSI Radeon RX 6600 XT GAMING 8G clocks at 2.000 GHz, which corresponds to a speed of 16.0 Gbps. The graphics memory speed of the Sapphire NITRO+ RX 590 8G G5 is 8.4 Gbps and the clock speed is 2.100 GHz. |
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8 GB | Memory Size | 8 GB |
GDDR6 | Memory Type | GDDR5 |
2.000 GHz | Memory Clock | 2.100 GHz |
16.0 Gbps | Memory Speed | 8.4 Gbps |
256 GB/s | Memory bandwidth | 269 GB/s |
128 bit | Memory Interface | 256 bit |
Clock SpeedsThe clock frequency of a graphics card determines the speed in connection with the graphics architecture. |
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1.968 GHz | Base Clock | 1.469 GHz |
2.589 GHz | Boost Clock | 1.560 GHz |
2.36 GHz | Avg (Game) Clock | |
Yes | Overclocking | Yes |
Thermal DesignThe MSI Radeon RX 6600 XT GAMING 8G is powered by 1 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 160 W. The Sapphire NITRO+ RX 590 8G G5 has 1 x 6-Pin, 1 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 225 W. |
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160 W | TDP | 225 W |
170 W | TDP (up) | -- |
100 °C | Tjunction max | 98 °C |
1 x 8-Pin | PCIe-Power | 1 x 6-Pin, 1 x 8-Pin |
Cooler & FansThe MSI Radeon RX 6600 XT GAMING 8G is equipped with a total of 2 Axial main fans. The Sapphire NITRO+ RX 590 8G G5 has 2 Axial main fans that cool the GPU and memory. |
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Axial | Fan-Type | Axial |
2 x 100 mm | Fan 1 | 2 x 95 mm |
-- | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | 0 dB |
-- | Noise (Load) | -- |
ConnectivityUp to 4 screens can be operated with the MSI Radeon RX 6600 XT GAMING 8G. The Sapphire NITRO+ RX 590 8G G5 supports the operation of a maximum of 4 monitors. |
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4 | Max. Displays | 4 |
2.3 | HDCP-Version | 2.2 |
1x HDMI v2.1 | HDMI Ports | 2x HDMI v2.0b |
3x DP v1.4 | DP Ports | 2x DP v1.4 |
-- | DVI Ports | 1 |
-- | VGA Ports | -- |
-- | USB-C Ports | -- |
FeaturesetWith the MSI Radeon RX 6600 XT GAMING 8G it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels. The maximum supported resolution of the Sapphire NITRO+ RX 590 8G G5 is 7680x4320 pixels. |
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7680x4320 | Max. resolution | 7680x4320 |
12_2 (Ultimate) | DirectX | 12 |
Yes | Raytracing | No |
Yes | DLSS / FSR | Yes |
MSI Mystic Light | LED | Non addressable LED |
Supported Video CodecsThe support and acceleration of certain video codecs can have a positive impact on the lower energy consumption and less waste heat from the graphics card. |
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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 MSI Radeon RX 6600 XT GAMING 8G is connected to the system via PCIe 4.0 x 8 lanes and requires 3 PCIe-Slots space in the housing. The Sapphire NITRO+ RX 590 8G G5 needs the space of 3 PCIe-Slots in the case and has a PCIe 3.0 x 16 Lanes interface. |
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277 mm | Length | 260 mm |
130 mm | Height | 135 mm |
51 mm | Width | 43 mm |
3 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
882 g | Weight | -- |
PCIe 4.0 x 8 | GPU Interface | PCIe 3.0 x 16 |
Additional dataThe MSI Radeon RX 6600 XT GAMING 8G has been manufactured with a structure width of 7 nanometers since Q3/2021. The Sapphire NITRO+ RX 590 8G G5 came on the market in Q4/2018 and will have a structure width of 14 nanometers manufactured. |
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-- | Part-no | 11289-05 |
Q3/2021 | Release date | Q4/2018 |
379 $ (Reference) | Launch Price | 279 $ |
7 nm | Structure size | 14 nm |
data sheet | Documents | data sheet |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
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Sapphire NITRO+ RX 590 8G G5
8 GB GDDR5 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
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Sapphire NITRO+ RX 590 8G G5
8 GB GDDR5 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
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Sapphire NITRO+ RX 590 8G G5
8 GB GDDR5 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
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Sapphire NITRO+ RX 590 8G G5
8 GB GDDR5 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
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Sapphire NITRO+ RX 590 8G G5
8 GB GDDR5 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
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Sapphire NITRO+ RX 590 8G G5
8 GB GDDR5 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
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Sapphire NITRO+ RX 590 8G G5
8 GB GDDR5 |
MSI Radeon RX 6600 XT GAMING 8G
8 GB GDDR6 |
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Sapphire NITRO+ RX 590 8G G5
8 GB GDDR5 |