Sapphire Toxic Radeon RX 6900 XT Limited Edition
vs
KFA2 GeForce RTX 3080 SG (1-Click OC)
GPU comparison with benchmarksIn the gpu comparison between the Sapphire Toxic Radeon RX 6900 XT Limited Edition and the KFA2 GeForce RTX 3080 SG (1-Click OC), we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe Sapphire Toxic Radeon RX 6900 XT Limited Edition is based on the AMD Radeon RX 6900 XT and has 5120 texture shaders and 80 execution units. KFA2 GeForce RTX 3080 SG (1-Click OC) is based on NVIDIA GeForce RTX 3080, which has 8704 shaders and 68 execution units. |
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| Sapphire Toxic Radeon RX 6900 XT Limited Edition | GPU | KFA2 GeForce RTX 3080 SG (1-Click OC) |
| AMD Radeon RX 6900 XT | Based on | NVIDIA GeForce RTX 3080 |
| Navi 21 | GPU Chip | GA102-200-K1-A1 |
| RDNA 2 | Architecture | Ampere |
| 80 | Streaming Multiprocessors | 68 |
| 5120 | Shader | 8704 |
| 128 | Render Output Units | 96 |
| 320 | Texture Units | 272 |
| 80 | Raytracing Cores | 68 |
MemoryThe Sapphire Toxic Radeon RX 6900 XT Limited Edition has 16 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 512 GB/s. The KFA2 GeForce RTX 3080 SG (1-Click OC) can access 10 GB GDDR6X graphics memory and thus achieves a memory bandwidth of 760 GB/s. |
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| 16 GB | Memory Size | 10 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 | 760 GB/s |
| 256 bit | Memory Interface | 320 bit |
Clock SpeedsThe Sapphire Toxic Radeon RX 6900 XT Limited Edition clocks in the base with up to 1.825 GHz. The base frequency of the KFA2 GeForce RTX 3080 SG (1-Click OC) is 1.440 GHz. |
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| 1.825 GHz | Base Clock | 1.440 GHz |
| 2.365 GHz | Boost Clock | 1.725 GHz |
| 2.14 GHz | Avg (Game) Clock | 1.71 GHz |
| Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the Sapphire Toxic Radeon RX 6900 XT Limited Edition is 400 W. The graphics card is supplied with energy via the 1 x 6-Pin, 2 x 8-Pin connector. The KFA2 GeForce RTX 3080 SG (1-Click OC) has a TDP of 320 W and is supplied with the required energy via 2 x 8-Pin PCIe power connectors. |
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| 400 W | TDP | 320 W |
| -- | TDP (up) | 370 W |
| 100 °C | Tjunction max | 93 °C |
| 1 x 6-Pin, 2 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe Sapphire Toxic Radeon RX 6900 XT Limited Edition has a total of 4 Axial fans. The KFA2 GeForce RTX 3080 SG (1-Click OC) has 3 Axial fans to cool the GPU and memory. |
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| Axial | Fan-Type | Axial |
| 3 x 120 mm | Fan 1 | 3 x 92 mm |
| 1 x 90 mm | Fan 2 | -- |
| AIO water cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 0 dB |
| -- | Noise (Load) | -- |
ConnectivityIn the connectivity category, we recorded the number of ports on a graphics card. A total of 4 screens can be connected to the Sapphire Toxic Radeon RX 6900 XT Limited Edition. The KFA2 GeForce RTX 3080 SG (1-Click OC) supports a maximum of 4 screens. |
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| 4 | Max. Displays | 4 |
| 2.3 | HDCP-Version | 2.3 |
| 1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.1 |
| 2x DP v1.4a | DP Ports | 3x DP v1.4a |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| 1 | USB-C Ports | -- |
FeaturesetThe Sapphire Toxic Radeon RX 6900 XT Limited Edition supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the KFA2 GeForce RTX 3080 SG (1-Click OC) 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 directly in the graphics card reduces the load when playing or creating videos. |
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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 Limited Edition is 270 mm long, 130 mm high and 45 mm wide. The KFA2 GeForce RTX 3080 SG (1-Click OC) is 329 mm long, 130 mm high and 61 mm wide. |
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| 270 mm | Length | 329 mm |
| 130 mm | Height | 130 mm |
| 45 mm | Width | 61 mm |
| 3 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
| 1148 g | Weight | -- |
| PCIe 4.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataThe Sapphire Toxic Radeon RX 6900 XT Limited Edition was released in Q1/2021 at a price of 1,499 $. The KFA2 GeForce RTX 3080 SG (1-Click OC) was introduced in Q4/2020 at a price of 699 $ (Reference). |
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| 11308-04-20G | Part-no | 38NWM3MD99NK |
| Q1/2021 | Release date | Q4/2020 |
| 1,499 $ | Launch Price | 699 $ (Reference) |
| 7 nm | Structure size | 8 nm |
| data sheet | Documents | data sheet |
1.825 GHz, 16 GB (400 W TDP)
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1.440 GHz, 10 GB (320 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 Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 GB GDDR6X |
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Port Royal (Raytracing)
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Sapphire Toxic Radeon RX 6900 XT Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 GB GDDR6X |
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Speed Way Graphics Score (Raytracing)
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Sapphire Toxic Radeon RX 6900 XT Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 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 Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 GB GDDR6X |
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2560x1440 (1440p)
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Sapphire Toxic Radeon RX 6900 XT Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 GB GDDR6X |
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1920x1080 (1080p)
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Sapphire Toxic Radeon RX 6900 XT Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 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 Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 GB GDDR6X |
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2560x1440 (1440p)
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Sapphire Toxic Radeon RX 6900 XT Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 GB GDDR6X |
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1920x1080 (1080p)
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Sapphire Toxic Radeon RX 6900 XT Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 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 Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 GB GDDR6X |
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2560x1440 (1440p)
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Sapphire Toxic Radeon RX 6900 XT Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 GB GDDR6X |
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1920x1080 (1080p)
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Sapphire Toxic Radeon RX 6900 XT Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 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 Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 GB GDDR6X |
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Geekbench 6 - Vulkan
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Sapphire Toxic Radeon RX 6900 XT Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 GB GDDR6X |
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Geekbench 6 - Metal
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Sapphire Toxic Radeon RX 6900 XT Limited Edition
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 Limited Edition
16 GB GDDR6 |
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KFA2 GeForce RTX 3080 SG (1-Click OC)
10 GB GDDR6X |
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