GPU comparison with benchmarksThe AMD Radeon RX 6800 XT has 4608 shader units and these clock a maximum of 2.25 GHz which results in an FP32 computing power of 20.74 TFLOPS.
The KFA2 GeForce GTX 1080 EX OC has 2560 shader units and these clock at a maximum of 1.80 GHz and achieve an FP32 computing power of 9.20 TFLOPS. |
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GPUThe AMD Radeon RX 6800 XT is equipped with a graphics chip of the RDNA 2 architecture, which has 72 streaming multiprocessors. The graphics card KFA2 GeForce GTX 1080 EX OC is based on the Pascal architecture and is equipped with 20 execution units. |
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AMD Radeon RX 6800 XT | GPU | KFA2 GeForce GTX 1080 EX OC |
AMD Radeon RX 6800 XT | Based on | NVIDIA GeForce GTX 1080 |
Navi 21 XT | GPU Chip | GP104-400-A1 / GP104-410-A1 |
RDNA 2 | Architecture | Pascal |
72 | Streaming Multiprocessors | 20 |
4608 | Shader | 2560 |
128 | Render Output Units | 64 |
288 | Texture Units | 160 |
72 | Raytracing Cores | 0 |
MemoryThe AMD Radeon RX 6800 XT is equipped with a 16 GB large GDDR6 graphics memory, which is equipped with 2.000 GHz clocks. The KFA2 GeForce GTX 1080 EX OC has a 8 GB large GDDR5X graphics memory and the memory clock is 1.251GHz. |
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16 GB | Memory Size | 8 GB |
GDDR6 | Memory Type | GDDR5X |
2.000 GHz | Memory Clock | 1.251 GHz |
16.0 Gbps | Memory Speed | 10.0 Gbps |
512 GB/s | Memory bandwidth | 320 GB/s |
256 bit | Memory Interface | 256 bit |
Clock SpeedsThe AMD Radeon RX 6800 XT has a turbo clock of 2.250 GHz. The turbo frequency of the KFA2 GeForce GTX 1080 EX OC is 1.797 GHz. |
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1.825 GHz | Base Clock | 1.657 GHz |
2.250 GHz | Boost Clock | 1.797 GHz |
2.02 GHz | Avg (Game) Clock | |
Yes | Overclocking | Yes |
Thermal DesignThe AMD Radeon RX 6800 XT has 2 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 KFA2 GeForce GTX 1080 EX OC is equipped with a 1 x 6-Pin, 1 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 94 °C. |
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300 W | TDP | 180 W |
345 W | TDP (up) | -- |
100 °C | Tjunction max | 94 °C |
2 x 8-Pin | PCIe-Power | 1 x 6-Pin, 1 x 8-Pin |
Cooler & FansThe graphics processor and graphics memory of the AMD Radeon RX 6800 XT are cooled with a Air cooling. The KFA2 GeForce GTX 1080 EX OC is cooled by a Air cooling. |
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Axial | Fan-Type | Axial |
3 x 80 mm | Fan 1 | 2 x 100 mm |
-- | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | dB |
37 dB | Noise (Load) | -- |
ConnectivityThe AMD Radeon RX 6800 XT supports the downward compatible copy protection HDCP in version 2.3. The KFA2 GeForce GTX 1080 EX OC 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 | 1x HDMI v2.0b |
2x DP v1.4a | DP Ports | 3x DP v1.4 |
-- | DVI Ports | 1 |
-- | VGA Ports | -- |
1 | USB-C Ports | -- |
FeaturesetThe AMD Radeon RX 6800 XT supports the DirectX standard from Microsoft in version 12_2 (Ultimate). The KFA2 GeForce GTX 1080 EX OC supports Microsoft's DirectX version 12_1. |
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7680x4320 | Max. resolution | 7680x4320 |
12_2 (Ultimate) | DirectX | 12_1 |
Yes | Raytracing | No |
Yes | DLSS / FSR | Yes |
Non 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 AMD Radeon RX 6800 XT is -- wide and therefore needs the space of 2 PCIe-Slots in the case. The width of the KFA2 GeForce GTX 1080 EX OC is -- and thus requires the space of 2 PCIe-Slots in the PC case. |
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270 mm | Length | 296 mm |
120 mm | Height | 144 mm |
-- | Width | 43 mm |
3 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
1503 g | Weight | -- |
PCIe 4.0 x 16 | GPU Interface | PCIe 3.0 x 16 |
Additional dataManufactured using the 7 nanometer process, AMD Radeon RX 6800 XT was released in Q4/2020. The KFA2 GeForce GTX 1080 EX OC published in Q2/2016 is manufactured with a structure width of 16 nanometers. |
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-- | Part-no | 80NSJ6DHL4EK |
Q4/2020 | Release date | Q2/2016 |
799 $ | Launch Price | 599 $ (Reference) |
7 nm | Structure size | 16 nm |
data sheet | Documents | data sheet |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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KFA2 GeForce GTX 1080 EX OC
8 GB GDDR5X |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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KFA2 GeForce GTX 1080 EX OC
8 GB GDDR5X |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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KFA2 GeForce GTX 1080 EX OC
8 GB GDDR5X |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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KFA2 GeForce GTX 1080 EX OC
8 GB GDDR5X |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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KFA2 GeForce GTX 1080 EX OC
8 GB GDDR5X |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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KFA2 GeForce GTX 1080 EX OC
8 GB GDDR5X |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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KFA2 GeForce GTX 1080 EX OC
8 GB GDDR5X |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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KFA2 GeForce GTX 1080 EX OC
8 GB GDDR5X |