Sapphire Toxic Radeon RX 6900 XT Air Cooled
vs
KFA2 GeForce RTX 3080 Ti HOF Premium
GPU comparison with benchmarksThe Sapphire Toxic Radeon RX 6900 XT Air Cooled is based on the AMD Radeon RX 6900 XT (RDNA 2) and has 16 GB GDDR6 graphics memory with a bandwidth of 512 GB/s.
The KFA2 GeForce RTX 3080 Ti HOF Premium is based on the NVIDIA GeForce RTX 3080 Ti (Ampere) and has 12 GB GDDR6X graphics memory with a bandwidth of 912 GB/s. |
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GPUThe Sapphire Toxic Radeon RX 6900 XT Air Cooled has the Navi 21 graphics chip installed, which is based on the RDNA 2 architecture. The KFA2 GeForce RTX 3080 Ti HOF Premium is based on the graphics chip GA102-225-A1, which comes from the Ampere architecture. |
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| Sapphire Toxic Radeon RX 6900 XT Air Cooled | GPU | KFA2 GeForce RTX 3080 Ti HOF Premium |
| AMD Radeon RX 6900 XT | Based on | NVIDIA GeForce RTX 3080 Ti |
| Navi 21 | GPU Chip | GA102-225-A1 |
| RDNA 2 | Architecture | Ampere |
| 80 | Streaming Multiprocessors | 80 |
| 5120 | Shader | 10240 |
| 128 | Render Output Units | 112 |
| 320 | Texture Units | 320 |
| 80 | Raytracing Cores | 80 |
MemoryThe graphics memory of the Sapphire Toxic Radeon RX 6900 XT Air Cooled clocks at 2.000 GHz, which corresponds to a speed of 16.0 Gbps. The graphics memory speed of the KFA2 GeForce RTX 3080 Ti HOF Premium is 19.0 Gbps and the clock speed is 1.188 GHz. |
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| 16 GB | Memory Size | 12 GB |
| GDDR6 | Memory Type | GDDR6X |
| 2.000 GHz | Memory Clock | 1.188 GHz |
| 16.0 Gbps | Memory Speed | 19.0 Gbps |
| 512 GB/s | Memory bandwidth | 912 GB/s |
| 256 bit | Memory Interface | 384 bit |
Clock SpeedsThe clock frequency of a graphics card determines the speed in connection with the graphics architecture. |
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| 1.825 GHz | Base Clock | 1.365 GHz |
| 2.425 GHz | Boost Clock | 1.800 GHz |
| 2.24 GHz | Avg (Game) Clock | |
| Yes | Overclocking | Yes |
Thermal DesignThe Sapphire Toxic Radeon RX 6900 XT Air Cooled is powered by 1 x 6-Pin, 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 400 W. The KFA2 GeForce RTX 3080 Ti HOF Premium has 3 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 350 W. |
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| 400 W | TDP | 350 W |
| -- | TDP (up) | -- |
| 100 °C | Tjunction max | 93 °C |
| 1 x 6-Pin, 2 x 8-Pin | PCIe-Power | 3 x 8-Pin |
Cooler & FansThe Sapphire Toxic Radeon RX 6900 XT Air Cooled is equipped with a total of 3 Axial main fans. The KFA2 GeForce RTX 3080 Ti HOF Premium has 3 Axial main fans that cool the GPU and memory. |
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| Axial | Fan-Type | Axial |
| 3 x 100 mm | Fan 1 | 2 x 102 mm |
| -- | Fan 2 | 1 x 92 mm |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 0 dB |
| -- | Noise (Load) | -- |
ConnectivityUp to 4 screens can be operated with the Sapphire Toxic Radeon RX 6900 XT Air Cooled. The KFA2 GeForce RTX 3080 Ti HOF Premium supports the operation of a maximum of 4 monitors. |
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| 4 | Max. Displays | 4 |
| 2.3 | HDCP-Version | 2.3 |
| 1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.1 |
| 3x DP v1.4a | DP Ports | 3x DP v1.4a |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetWith the Sapphire Toxic Radeon RX 6900 XT Air Cooled it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels. The maximum supported resolution of the KFA2 GeForce RTX 3080 Ti HOF Premium is 7680x4320 pixels. |
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| 7680x4320 | Max. resolution | 7680x4320 |
| 12_2 (Ultimate) | DirectX | 12_2 (Ultimate) |
| Yes | Raytracing | Yes |
| Yes | DLSS / FSR | Yes |
| Addressable LED | LED | Addressable LED |
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 | Decode |
| Decode / Encode | VP8 | Decode |
| Decode / Encode | VP9 | Decode |
DimensionsThe Sapphire Toxic Radeon RX 6900 XT Air Cooled is connected to the system via PCIe 4.0 x 16 lanes and requires 3 PCIe-Slots space in the housing. The KFA2 GeForce RTX 3080 Ti HOF Premium needs the space of 4 PCIe-Slots in the case and has a PCIe 4.0 x 16 Lanes interface. |
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| 320 mm | Length | 352 mm |
| 135 mm | Height | 160 mm |
| 58 mm | Width | 68 mm |
| 3 PCIe-Slots | Width (Slots) | 4 PCIe-Slots |
| -- | Weight | -- |
| PCIe 4.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataThe Sapphire Toxic Radeon RX 6900 XT Air Cooled has been manufactured with a structure width of 7 nanometers since Q3/2021. The KFA2 GeForce RTX 3080 Ti HOF Premium came on the market in Q2/2021 and will have a structure width of 8 nanometers manufactured. |
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| 11308-11-20G | Part-no | 38IOM5MD3BAK |
| Q3/2021 | Release date | Q2/2021 |
| 999 $ (Reference) | Launch Price | 1,199 $ (Reference) |
| 7 nm | Structure size | 8 nm |
| data sheet | Documents | data sheet |
1.825 GHz, 16 GB (400 W TDP)
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1.365 GHz, 12 GB (350 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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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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Port Royal (Raytracing)
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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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Speed Way Graphics Score (Raytracing)
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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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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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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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2560x1440 (1440p)
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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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1920x1080 (1080p)
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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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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.
3840x2160 (2160p)
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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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2560x1440 (1440p)
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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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1920x1080 (1080p)
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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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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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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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2560x1440 (1440p)
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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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1920x1080 (1080p)
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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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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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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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Geekbench 6 - Vulkan
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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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Geekbench 6 - Metal
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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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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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Sapphire Toxic Radeon RX 6900 XT Air Cooled
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 Ti HOF Premium
12 GB GDDR6X |
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