MSI Radeon RX 6600 MECH 2X 8G
vs
MSI Radeon RX 580 Armor 8G
GPU comparison with benchmarksThe MSI Radeon RX 6600 MECH 2X 8G is based on the AMD Radeon RX 6600 (RDNA 2) and has 8 GB GDDR6 graphics memory with a bandwidth of 224 GB/s.
The MSI Radeon RX 580 Armor 8G is based on the AMD Radeon RX 580 (36 CU) (GCN 4) and has 8 GB GDDR5 graphics memory with a bandwidth of 256 GB/s. |
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GPUThe MSI Radeon RX 6600 MECH 2X 8G has the Navi 23 XL graphics chip installed, which is based on the RDNA 2 architecture. The MSI Radeon RX 580 Armor 8G is based on the graphics chip Polaris 20 XT, which comes from the GCN 4 architecture. |
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| MSI Radeon RX 6600 MECH 2X 8G | GPU | MSI Radeon RX 580 Armor 8G |
| AMD Radeon RX 6600 | Based on | AMD Radeon RX 580 (36 CU) |
| Navi 23 XL | GPU Chip | Polaris 20 XT |
| RDNA 2 | Architecture | GCN 4 |
| 28 | Streaming Multiprocessors | 36 |
| 1792 | Shader | 2304 |
| 64 | Render Output Units | 32 |
| 112 | Texture Units | 144 |
| 28 | Raytracing Cores | 0 |
MemoryThe graphics memory of the MSI Radeon RX 6600 MECH 2X 8G clocks at 1.750 GHz, which corresponds to a speed of 14.0 Gbps. The graphics memory speed of the MSI Radeon RX 580 Armor 8G is 8.0 Gbps and the clock speed is 2.000 GHz. |
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| 8 GB | Memory Size | 8 GB |
| GDDR6 | Memory Type | GDDR5 |
| 1.750 GHz | Memory Clock | 2.000 GHz |
| 14.0 Gbps | Memory Speed | 8.0 Gbps |
| 224 GB/s | Memory bandwidth | 256 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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| 1.626 GHz | Base Clock | 1.257 GHz |
| 2.491 GHz | Boost Clock | 1.340 GHz |
| 2.04 GHz | Avg (Game) Clock | |
| Yes | Overclocking | Yes |
Thermal DesignThe MSI Radeon RX 6600 MECH 2X 8G is powered by 1 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 132 W. The MSI Radeon RX 580 Armor 8G has 1 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 185 W. |
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| 132 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 MECH 2X 8G is equipped with a total of 2 Axial main fans. The MSI Radeon RX 580 Armor 8G 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 100 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 MECH 2X 8G. The MSI Radeon RX 580 Armor 8G 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 v1.4a | DP Ports | 2x DP v1.4 |
| -- | DVI Ports | 1 |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetWith the MSI Radeon RX 6600 MECH 2X 8G it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels. The maximum supported resolution of the MSI Radeon RX 580 Armor 8G 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 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 MECH 2X 8G is connected to the system via PCIe 4.0 x 8 lanes and requires 3 PCIe-Slots space in the housing. The MSI Radeon RX 580 Armor 8G needs the space of 2 PCIe-Slots in the case and has a PCIe 3.0 x 16 Lanes interface. |
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| 235 mm | Length | 269 mm |
| 125 mm | Height | 125 mm |
| 46 mm | Width | 38 mm |
| 3 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
| 710 g | Weight | -- |
| PCIe 4.0 x 8 | GPU Interface | PCIe 3.0 x 16 |
Additional dataThe MSI Radeon RX 6600 MECH 2X 8G has been manufactured with a structure width of 7 nanometers since Q4/2021. The MSI Radeon RX 580 Armor 8G came on the market in Q3/2018 and will have a structure width of 14 nanometers manufactured. |
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| -- | Part-no | -- |
| Q4/2021 | Release date | Q3/2018 |
| 329 $ (Reference) | Launch Price | 229 $ |
| 7 nm | Structure size | 14 nm |
| data sheet | Documents | data sheet |
1.626 GHz, 8 GB (132 W TDP)
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1.257 GHz, 8 GB (185 W TDP)
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Benchmark results
3DMark Benchmark (DirectX, Raytracing)
3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.
Time Spy Extreme Graphics score
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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MSI Radeon RX 580 Armor 8G
8 GB GDDR5 |
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Port Royal (Raytracing)
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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Cyberpunk 2077
Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.
3840x2160 (2160p)
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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2560x1440 (1440p)
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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1920x1080 (1080p)
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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The Last of Us Part 1
The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.
2560x1440 (1440p)
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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1920x1080 (1080p)
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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Battlefield 5
Battlefield 5 is a visually stunning game that is ideal as a graphics card benchmark. We test the game with maximum details on Windows 10.
3840x2160 (2160p)
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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MSI Radeon RX 580 Armor 8G
8 GB GDDR5 |
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2560x1440 (1440p)
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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MSI Radeon RX 580 Armor 8G
8 GB GDDR5 |
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1920x1080 (1080p)
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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MSI Radeon RX 580 Armor 8G
8 GB GDDR5 |
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Geekbench 6 (OpenCL, Vulkan, Metal)
Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.
Geekbench 6 - OpenCL
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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MSI Radeon RX 580 Armor 8G
8 GB GDDR5 |
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Geekbench 6 - Vulkan
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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MSI Radeon RX 580 Armor 8G
8 GB GDDR5 |
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Geekbench 6 - Metal
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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MSI Radeon RX 580 Armor 8G
8 GB GDDR5 |
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FP32 Performance (Single-precision TFLOPS)
The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.
FP32 (TFLOPS)
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MSI Radeon RX 6600 MECH 2X 8G
8 GB GDDR6 |
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MSI Radeon RX 580 Armor 8G
8 GB GDDR5 |
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