GPU comparison with benchmarksThe PowerColor Fighter Radeon RX 6600 XT has 2048 shader units and these clock a maximum of 2.59 GHz which results in an FP32 computing power of 10.61 TFLOPS.
The MSI Radeon RX 580 Armor MK2 8G has 2304 shader units and these clock at a maximum of 1.37 GHz and achieve an FP32 computing power of 5.71 TFLOPS. |
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GPUThe PowerColor Fighter Radeon RX 6600 XT is equipped with a graphics chip of the RDNA 2 architecture, which has 32 streaming multiprocessors. The graphics card MSI Radeon RX 580 Armor MK2 8G is based on the GCN 4 architecture and is equipped with 36 execution units. |
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PowerColor Fighter Radeon RX 6600 XT | GPU | MSI Radeon RX 580 Armor MK2 8G |
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 PowerColor Fighter Radeon RX 6600 XT is equipped with a 8 GB large GDDR6 graphics memory, which is equipped with 2.000 GHz clocks. The MSI Radeon RX 580 Armor MK2 8G has a 8 GB large GDDR5 graphics memory and the memory clock is 2.000GHz. |
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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 PowerColor Fighter Radeon RX 6600 XT has a turbo clock of 2.589 GHz. The turbo frequency of the MSI Radeon RX 580 Armor MK2 8G is 1.366 GHz. |
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1.968 GHz | Base Clock | 1.257 GHz |
2.589 GHz | Boost Clock | 1.366 GHz |
2.36 GHz | Avg (Game) Clock | |
Yes | Overclocking | Yes |
Thermal DesignThe PowerColor Fighter Radeon RX 6600 XT has 1 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 100 °C. The MSI Radeon RX 580 Armor MK2 8G is equipped with a 1 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 90 °C. |
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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 graphics processor and graphics memory of the PowerColor Fighter Radeon RX 6600 XT are cooled with a Air cooling. The MSI Radeon RX 580 Armor MK2 8G is cooled by a Air cooling. |
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Axial | Fan-Type | Axial |
2 x 90 mm | Fan 1 | 2 x 100 mm |
-- | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | 0 dB |
-- | Noise (Load) | -- |
ConnectivityThe PowerColor Fighter Radeon RX 6600 XT supports the downward compatible copy protection HDCP in version 2.3. The MSI Radeon RX 580 Armor MK2 8G supports HDCP in version 2.2 and all previous versions. |
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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 PowerColor Fighter Radeon RX 6600 XT supports the DirectX standard from Microsoft in version 12_2 (Ultimate). The MSI Radeon RX 580 Armor MK2 8G supports Microsoft's DirectX version 12. |
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7680x4320 | Max. resolution | 7680x4320 |
12_2 (Ultimate) | DirectX | 12 |
Yes | Raytracing | No |
Yes | DLSS / FSR | Yes |
Addressable LED | LED | No LED lighting |
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 | AV1 | No |
Decode / Encode | VP8 | Decode |
Decode / Encode | VP9 | Decode |
DimensionsThe PowerColor Fighter Radeon RX 6600 XT is 39 mm wide and therefore needs the space of 2 PCIe-Slots in the case. The width of the MSI Radeon RX 580 Armor MK2 8G is 39 mm and thus requires the space of 2 PCIe-Slots in the PC case. |
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200 mm | Length | 270 mm |
111 mm | Height | 130 mm |
39 mm | Width | 40 mm |
2 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
-- | Weight | 892 g |
PCIe 4.0 x 8 | GPU Interface | PCIe 3.0 x 16 |
Additional dataManufactured using the 7 nanometer process, PowerColor Fighter Radeon RX 6600 XT was released in Q3/2021. The MSI Radeon RX 580 Armor MK2 8G published in Q3/2018 is manufactured with a structure width of 14 nanometers. |
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AXRX 6600XT 8GBD6-3DH | Part-no | -- |
Q3/2021 | Release date | Q3/2018 |
379 $ (Reference) | Launch Price | 229 $ |
7 nm | Structure size | 14 nm |
data sheet | Documents | data sheet |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G
8 GB GDDR5 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G
8 GB GDDR5 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G
8 GB GDDR5 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G
8 GB GDDR5 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G
8 GB GDDR5 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G
8 GB GDDR5 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G
8 GB GDDR5 |
PowerColor Fighter Radeon RX 6600 XT
8 GB GDDR6 |
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MSI Radeon RX 580 Armor MK2 8G
8 GB GDDR5 |