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 Sapphire Nitro+ Radeon RX Vega 64 has 4096 shader units and these clock at a maximum of 1.58 GHz and achieve an FP32 computing power of 12.94 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 Sapphire Nitro+ Radeon RX Vega 64 is based on the GCN 5 architecture and is equipped with 64 execution units. |
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AMD Radeon RX 6800 XT | GPU | Sapphire Nitro+ Radeon RX Vega 64 |
AMD Radeon RX 6800 XT | Based on | AMD RX Vega 64 |
Navi 21 XT | GPU Chip | Vega 10 XT |
RDNA 2 | Architecture | GCN 5 |
72 | Streaming Multiprocessors | 64 |
4608 | Shader | 4096 |
128 | Render Output Units | 64 |
288 | Texture Units | 256 |
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 Sapphire Nitro+ Radeon RX Vega 64 has a 8 GB large HBM2 graphics memory and the memory clock is 0.945GHz. |
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16 GB | Memory Size | 8 GB |
GDDR6 | Memory Type | HBM2 |
2.000 GHz | Memory Clock | 0.945 GHz |
16.0 Gbps | Memory Speed | 1.9 Gbps |
512 GB/s | Memory bandwidth | 484 GB/s |
256 bit | Memory Interface | 2048 bit |
Clock SpeedsThe AMD Radeon RX 6800 XT has a turbo clock of 2.250 GHz. The turbo frequency of the Sapphire Nitro+ Radeon RX Vega 64 is 1.580 GHz. |
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1.825 GHz | Base Clock | 1.373 GHz |
2.250 GHz | Boost Clock | 1.580 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 Sapphire Nitro+ Radeon RX Vega 64 is equipped with a 2 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 100 °C. |
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300 W | TDP | 295 W |
345 W | TDP (up) | 375 W |
100 °C | Tjunction max | 100 °C |
2 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe graphics processor and graphics memory of the AMD Radeon RX 6800 XT are cooled with a Air cooling. The Sapphire Nitro+ Radeon RX Vega 64 is cooled by a Air cooling. |
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Axial | Fan-Type | Radial |
3 x 80 mm | Fan 1 | 2 x 92 mm |
-- | Fan 2 | 1 x 80 mm |
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 Sapphire Nitro+ Radeon RX Vega 64 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 |
2x DP v1.4a | DP Ports | 2x DP v1.4 |
-- | DVI Ports | -- |
-- | VGA Ports | -- |
1 | USB-C Ports | -- |
FeaturesetThe AMD Radeon RX 6800 XT supports the DirectX standard from Microsoft in version 12_2 (Ultimate). The Sapphire Nitro+ Radeon RX Vega 64 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 / Encode |
DimensionsThe AMD Radeon RX 6800 XT is -- wide and therefore needs the space of 3 PCIe-Slots in the case. The width of the Sapphire Nitro+ Radeon RX Vega 64 is -- and thus requires the space of 3 PCIe-Slots in the PC case. |
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270 mm | Length | 310 mm |
120 mm | Height | 133 mm |
-- | Width | 54 mm |
3 PCIe-Slots | Width (Slots) | 3 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 Sapphire Nitro+ Radeon RX Vega 64 published in Q3/2017 is manufactured with a structure width of 14 nanometers. |
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-- | Part-no | 11275-03 |
Q4/2020 | Release date | Q3/2017 |
799 $ | Launch Price | 499 $ (Reference) |
7 nm | Structure size | 14 nm |
data sheet | Documents | data sheet |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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Sapphire Nitro+ Radeon RX Vega 64
8 GB HBM2 |
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 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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Sapphire Nitro+ Radeon RX Vega 64
8 GB HBM2 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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Sapphire Nitro+ Radeon RX Vega 64
8 GB HBM2 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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Sapphire Nitro+ Radeon RX Vega 64
8 GB HBM2 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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Sapphire Nitro+ Radeon RX Vega 64
8 GB HBM2 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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Sapphire Nitro+ Radeon RX Vega 64
8 GB HBM2 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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Sapphire Nitro+ Radeon RX Vega 64
8 GB HBM2 |
AMD Radeon RX 6800 XT
16 GB GDDR6 |
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Sapphire Nitro+ Radeon RX Vega 64
8 GB HBM2 |