GPU comparison with benchmarksIn the gpu comparison between the MSI Radeon RX 6600 XT MECH 2X 8G OC and the MSI Radeon RX 580 Armor MK2 8G OC, we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe MSI Radeon RX 6600 XT MECH 2X 8G OC is based on the AMD Radeon RX 6600 XT and has 2048 texture shaders and 32 execution units. MSI Radeon RX 580 Armor MK2 8G OC is based on AMD Radeon RX 580 (36 CU), which has 2304 shaders and 36 execution units. |
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MSI Radeon RX 6600 XT MECH 2X 8G OC | GPU | MSI Radeon RX 580 Armor MK2 8G OC |
AMD Radeon RX 6600 XT | Based on | AMD Radeon RX 580 (36 CU) |
Navi 23 XT | GPU Chip | Polaris 20 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 MSI Radeon RX 6600 XT MECH 2X 8G OC has 8 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 256 GB/s. The MSI Radeon RX 580 Armor MK2 8G OC can access 8 GB GDDR5 graphics memory and thus achieves a memory bandwidth of 256 GB/s. |
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8 GB | Memory Size | 8 GB |
GDDR6 | Memory Type | GDDR5 |
2.000 GHz | Memory Clock | 2.000 GHz |
16.0 Gbps | Memory Speed | 8.0 Gbps |
256 GB/s | Memory bandwidth | 256 GB/s |
128 bit | Memory Interface | 256 bit |
Clock SpeedsThe MSI Radeon RX 6600 XT MECH 2X 8G OC clocks in the base with up to 1.968 GHz. The base frequency of the MSI Radeon RX 580 Armor MK2 8G OC is 1.257 GHz. |
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1.968 GHz | Base Clock | 1.257 GHz |
2.602 GHz | Boost Clock | 1.380 GHz |
2.41 GHz | Avg (Game) Clock | |
Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the MSI Radeon RX 6600 XT MECH 2X 8G OC is 160 W. The graphics card is supplied with energy via the 1 x 8-Pin connector. The MSI Radeon RX 580 Armor MK2 8G OC has a TDP of 185 W and is supplied with the required energy via 1 x 8-Pin PCIe power connectors. |
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160 W | TDP | 185 W |
-- | TDP (up) | -- |
100 °C | Tjunction max | 90 °C |
1 x 8-Pin | PCIe-Power | 1 x 8-Pin |
Cooler & FansThe MSI Radeon RX 6600 XT MECH 2X 8G OC has a total of 2 Axial fans. The MSI Radeon RX 580 Armor MK2 8G OC has 2 Axial fans to cool the GPU and memory. |
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Axial | Fan-Type | Axial |
2 x 100 mm | Fan 1 | 2 x 100 mm |
-- | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | 0 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 MSI Radeon RX 6600 XT MECH 2X 8G OC. The MSI Radeon RX 580 Armor MK2 8G OC 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 | 2x HDMI v2.0b |
3x DP v1.4 | DP Ports | 2x DP v1.4 |
-- | DVI Ports | 1 |
-- | VGA Ports | -- |
-- | USB-C Ports | -- |
FeaturesetThe MSI Radeon RX 6600 XT MECH 2X 8G OC supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the MSI Radeon RX 580 Armor MK2 8G OC is 7680x4320 pixels. |
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7680x4320 | Max. resolution | 7680x4320 |
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 MSI Radeon RX 6600 XT MECH 2X 8G OC is 235 mm long, 125 mm high and 46 mm wide. The MSI Radeon RX 580 Armor MK2 8G OC is 270 mm long, 130 mm high and 40 mm wide. |
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235 mm | Length | 270 mm |
125 mm | Height | 130 mm |
46 mm | Width | 40 mm |
3 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
721 g | Weight | 892 g |
PCIe 4.0 x 8 | GPU Interface | PCIe 3.0 x 16 |
Additional dataThe MSI Radeon RX 6600 XT MECH 2X 8G OC was released in Q3/2021 at a price of 379 $ (Reference). The MSI Radeon RX 580 Armor MK2 8G OC was introduced in Q3/2018 at a price of 229 $. |
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-- | Part-no | -- |
Q3/2021 | Release date | Q3/2018 |
379 $ (Reference) | Launch Price | 229 $ |
7 nm | Structure size | 14 nm |
data sheet | Documents | data sheet |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G OC
8 GB GDDR5 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G OC
8 GB GDDR5 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G OC
8 GB GDDR5 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G OC
8 GB GDDR5 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G OC
8 GB GDDR5 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G OC
8 GB GDDR5 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G OC
8 GB GDDR5 |
MSI Radeon RX 6600 XT MECH 2X 8G OC
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G OC
8 GB GDDR5 |