GPU comparison with benchmarksThe GALAX GeForce GTX 1080 EX OC V2 has 2560 shader units and these clock a maximum of 1.76 GHz which results in an FP32 computing power of 9.00 TFLOPS.
The PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 has 512 shader units and these clock at a maximum of 1.19 GHz and achieve an FP32 computing power of 1.22 TFLOPS. |
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GPUThe GALAX GeForce GTX 1080 EX OC V2 is equipped with a graphics chip of the Pascal architecture, which has 20 streaming multiprocessors. The graphics card PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 is based on the GCN 4 architecture and is equipped with 8 execution units. |
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GALAX GeForce GTX 1080 EX OC V2 | GPU | PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 |
NVIDIA GeForce GTX 1080 | Based on | AMD Radeon RX 550 (Lexa) |
GP104-400-A1 / GP104-410-A1 | GPU Chip | Lexa PRO |
Pascal | Architecture | GCN 4 |
20 | Streaming Multiprocessors | 8 |
2560 | Shader | 512 |
64 | Render Output Units | 16 |
160 | Texture Units | 32 |
0 | Raytracing Cores | 0 |
MemoryThe GALAX GeForce GTX 1080 EX OC V2 is equipped with a 8 GB large GDDR5X graphics memory, which is equipped with 1.251 GHz clocks. The PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 has a 4 GB large GDDR5 graphics memory and the memory clock is 1.750GHz. |
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8 GB | Memory Size | 4 GB |
GDDR5X | Memory Type | GDDR5 |
1.251 GHz | Memory Clock | 1.750 GHz |
10.0 Gbps | Memory Speed | 7.0 Gbps |
320 GB/s | Memory bandwidth | 112 GB/s |
256 bit | Memory Interface | 128 bit |
Clock SpeedsThe GALAX GeForce GTX 1080 EX OC V2 has a turbo clock of 1.759 GHz. The turbo frequency of the PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 is 1.190 GHz. |
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1.620 GHz | Base Clock | 1.100 GHz |
1.759 GHz | Boost Clock | 1.190 GHz |
Avg (Game) Clock | ||
Yes | Overclocking | Yes |
Thermal DesignThe GALAX GeForce GTX 1080 EX OC V2 has 1 x 6-Pin, 1 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 94 °C. The PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 is equipped with a PCIe power connector that supplies it with power. The maximum operating temperature of the card is 80 °C. |
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180 W | TDP | 50 W |
-- | TDP (up) | -- |
94 °C | Tjunction max | 80 °C |
1 x 6-Pin, 1 x 8-Pin | PCIe-Power |
Cooler & FansThe graphics processor and graphics memory of the GALAX GeForce GTX 1080 EX OC V2 are cooled with a Air cooling. The PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 is cooled by a Air cooling. |
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Axial | Fan-Type | Axial |
2 x 100 mm | Fan 1 | 1 x 90 mm |
-- | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
dB | Noise (Idle) | dB |
-- | Noise (Load) | -- |
ConnectivityThe GALAX GeForce GTX 1080 EX OC V2 supports the downward compatible copy protection HDCP in version 2.2. The PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 supports HDCP in version 2.2 and all previous versions. |
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4 | Max. Displays | 4 |
2.2 | HDCP-Version | 2.2 |
1x HDMI v2.0b | HDMI Ports | 1x HDMI v2.0b |
3x DP v1.4 | DP Ports | 1x DP v1.4 |
1 | DVI Ports | 1 |
-- | VGA Ports | -- |
-- | USB-C Ports | -- |
FeaturesetThe GALAX GeForce GTX 1080 EX OC V2 supports the DirectX standard from Microsoft in version 12_1. The PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 supports Microsoft's DirectX version 12. |
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7680x4320 | Max. resolution | 5120x2880 |
12_1 | DirectX | 12 |
No | Raytracing | No |
Yes | DLSS / FSR | Yes |
No LED lighting | 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 |
No | AV1 | No |
Decode | VP8 | Decode |
Decode | VP9 | Decode |
DimensionsThe GALAX GeForce GTX 1080 EX OC V2 is 43 mm wide and therefore needs the space of 2 PCIe-Slots in the case. The width of the PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 is 43 mm and thus requires the space of 2 PCIe-Slots in the PC case. |
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296 mm | Length | 225 mm |
144 mm | Height | 128 mm |
43 mm | Width | 38 mm |
2 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
-- | Weight | -- |
PCIe 3.0 x 16 | GPU Interface | PCIe 3.0 x 8 |
Additional dataManufactured using the 16 nanometer process, GALAX GeForce GTX 1080 EX OC V2 was released in Q2/2016. The PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 published in Q2/2017 is manufactured with a structure width of 14 nanometers. |
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80NSJ6DHM9XE | Part-no | AXRX 550 4GBD5-DH/OC |
Q2/2016 | Release date | Q2/2017 |
599 $ (Reference) | Launch Price | 79 $ |
16 nm | Structure size | 14 nm |
data sheet | Documents | data sheet |
GALAX GeForce GTX 1080 EX OC V2
8 GB GDDR5X |
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PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2
4 GB GDDR5 |
GALAX GeForce GTX 1080 EX OC V2
8 GB GDDR5X |
GALAX GeForce GTX 1080 EX OC V2
8 GB GDDR5X |
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PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2
4 GB GDDR5 |
GALAX GeForce GTX 1080 EX OC V2
8 GB GDDR5X |
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PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2
4 GB GDDR5 |
GALAX GeForce GTX 1080 EX OC V2
8 GB GDDR5X |
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PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2
4 GB GDDR5 |
GALAX GeForce GTX 1080 EX OC V2
8 GB GDDR5X |
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PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2
4 GB GDDR5 |
GALAX GeForce GTX 1080 EX OC V2
8 GB GDDR5X |
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PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2
4 GB GDDR5 |
GALAX GeForce GTX 1080 EX OC V2
8 GB GDDR5X |
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PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2
4 GB GDDR5 |