GIGABYTE Radeon RX Vega 56 8G
vs
PowerColor Liquid Devil Radeon RX 6900 XT Ultimate
GPU comparison with benchmarksIn the gpu comparison between the GIGABYTE Radeon RX Vega 56 8G and the PowerColor Liquid Devil Radeon RX 6900 XT Ultimate, we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe GIGABYTE Radeon RX Vega 56 8G is based on the AMD RX Vega 56 and has 3584 texture shaders and 56 execution units. PowerColor Liquid Devil Radeon RX 6900 XT Ultimate is based on AMD Radeon RX 6900 XT, which has 5120 shaders and 80 execution units. |
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| GIGABYTE Radeon RX Vega 56 8G | GPU | PowerColor Liquid Devil Radeon RX 6900 XT Ultimate |
| AMD RX Vega 56 | Based on | AMD Radeon RX 6900 XT |
| Vega 10 XL | GPU Chip | Navi 21 |
| GCN 5 | Architecture | RDNA 2 |
| 56 | Streaming Multiprocessors | 80 |
| 3584 | Shader | 5120 |
| 64 | Render Output Units | 128 |
| 256 | Texture Units | 320 |
| 0 | Raytracing Cores | 80 |
MemoryThe GIGABYTE Radeon RX Vega 56 8G has 8 GB of graphics memory of the type HBM2 and achieves a memory bandwidth of 410 GB/s. The PowerColor Liquid Devil Radeon RX 6900 XT Ultimate can access 16 GB GDDR6 graphics memory and thus achieves a memory bandwidth of 512 GB/s. |
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| 8 GB | Memory Size | 16 GB |
| HBM2 | Memory Type | GDDR6 |
| 0.800 GHz | Memory Clock | 2.000 GHz |
| 1.6 Gbps | Memory Speed | 16.0 Gbps |
| 410 GB/s | Memory bandwidth | 512 GB/s |
| 2048 bit | Memory Interface | 256 bit |
Clock SpeedsThe GIGABYTE Radeon RX Vega 56 8G clocks in the base with up to 1.156 GHz. The base frequency of the PowerColor Liquid Devil Radeon RX 6900 XT Ultimate is 1.825 GHz. |
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| 1.156 GHz | Base Clock | 1.825 GHz |
| 1.471 GHz | Boost Clock | 2.525 GHz |
| Avg (Game) Clock | 2.38 GHz | |
| Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the GIGABYTE Radeon RX Vega 56 8G is 210 W. The graphics card is supplied with energy via the 2 x 8-Pin connector. The PowerColor Liquid Devil Radeon RX 6900 XT Ultimate has a TDP of 300 W and is supplied with the required energy via 3 x 8-Pin PCIe power connectors. |
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| 210 W | TDP | 300 W |
| -- | TDP (up) | 345 W |
| 100 °C | Tjunction max | 100 °C |
| 2 x 8-Pin | PCIe-Power | 3 x 8-Pin |
Cooler & FansThe GIGABYTE Radeon RX Vega 56 8G has a total of 1 Radial fans. The PowerColor Liquid Devil Radeon RX 6900 XT Ultimate has 0 -- fans to cool the GPU and memory. |
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| Radial | Fan-Type | -- |
| 1 x 70 mm | Fan 1 | -- |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Water cooling |
| 37 dB | Noise (Idle) | 0 dB |
| 49 dB | Noise (Load) | 0 dB |
ConnectivityIn the connectivity category, we recorded the number of ports on a graphics card. A total of 4 screens can be connected to the GIGABYTE Radeon RX Vega 56 8G. The PowerColor Liquid Devil Radeon RX 6900 XT Ultimate supports a maximum of 4 screens. |
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| 4 | Max. Displays | 4 |
| -- | HDCP-Version | 2.3 |
| 1x HDMI v2.0b | HDMI Ports | 1x HDMI v2.1 |
| 3x DP v1.4 | DP Ports | 2x DP v1.4a |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | 1 |
FeaturesetThe GIGABYTE Radeon RX Vega 56 8G supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the PowerColor Liquid Devil Radeon RX 6900 XT Ultimate is 7680x4320 pixels. |
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| 7680x4320 | Max. resolution | 7680x4320 |
| 12_1 | DirectX | 12_2 (Ultimate) |
| No | Raytracing | Yes |
| Yes | DLSS / FSR | Yes |
| No LED lighting | 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 |
| No | AV1 | Decode |
| Decode | VP8 | Decode / Encode |
| Decode / Encode | VP9 | Decode / Encode |
DimensionsThe GIGABYTE Radeon RX Vega 56 8G is 280 mm long, 127 mm high and 40 mm wide. The PowerColor Liquid Devil Radeon RX 6900 XT Ultimate is 266 mm long, 162 mm high and 42 mm wide. |
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| 280 mm | Length | 266 mm |
| 127 mm | Height | 162 mm |
| 40 mm | Width | 42 mm |
| 2 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
| 1090 g | Weight | -- |
| PCIe 3.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataThe GIGABYTE Radeon RX Vega 56 8G was released in Q3/2017 at a price of 399 $ (Reference). The PowerColor Liquid Devil Radeon RX 6900 XT Ultimate was introduced in Q2/2021 at a price of 999 $ (Reference). |
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| -- | Part-no | AXRX 6900XTU 16GBD6-W2DHC/OC |
| Q3/2017 | Release date | Q2/2021 |
| 399 $ (Reference) | Launch Price | 999 $ (Reference) |
| 14 nm | Structure size | 7 nm |
| data sheet | Documents | data sheet |
1.156 GHz, 8 GB (210 W TDP)
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1.825 GHz, 16 GB (300 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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GIGABYTE Radeon RX Vega 56 8G
8 GB HBM2 |
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PowerColor Liquid Devil Radeon RX 6900 XT Ultimate
16 GB GDDR6 |
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Port Royal (Raytracing)
Speed Way Graphics Score (Raytracing)
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)
2560x1440 (1440p)
1920x1080 (1080p)
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)
2560x1440 (1440p)
1920x1080 (1080p)
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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GIGABYTE Radeon RX Vega 56 8G
8 GB HBM2 |
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PowerColor Liquid Devil Radeon RX 6900 XT Ultimate
16 GB GDDR6 |
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2560x1440 (1440p)
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GIGABYTE Radeon RX Vega 56 8G
8 GB HBM2 |
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PowerColor Liquid Devil Radeon RX 6900 XT Ultimate
16 GB GDDR6 |
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1920x1080 (1080p)
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GIGABYTE Radeon RX Vega 56 8G
8 GB HBM2 |
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PowerColor Liquid Devil Radeon RX 6900 XT Ultimate
16 GB GDDR6 |
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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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GIGABYTE Radeon RX Vega 56 8G
8 GB HBM2 |
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PowerColor Liquid Devil Radeon RX 6900 XT Ultimate
16 GB GDDR6 |
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Geekbench 6 - Vulkan
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GIGABYTE Radeon RX Vega 56 8G
8 GB HBM2 |
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PowerColor Liquid Devil Radeon RX 6900 XT Ultimate
16 GB GDDR6 |
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Geekbench 6 - Metal
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GIGABYTE Radeon RX Vega 56 8G
8 GB HBM2 |
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PowerColor Liquid Devil Radeon RX 6900 XT Ultimate
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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GIGABYTE Radeon RX Vega 56 8G
8 GB HBM2 |
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PowerColor Liquid Devil Radeon RX 6900 XT Ultimate
16 GB GDDR6 |
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