ASRock Phantom Gaming X Radeon RX VEGA 64 8G
vs
ASRock Radeon RX 6900 XT OC Formula 16GB
GPU comparison with benchmarksThe ASRock Phantom Gaming X Radeon RX VEGA 64 8G is based on the AMD RX Vega 64 (GCN 5) and has 8 GB HBM2 graphics memory with a bandwidth of 484 GB/s.
The ASRock Radeon RX 6900 XT OC Formula 16GB 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. |
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GPUThe ASRock Phantom Gaming X Radeon RX VEGA 64 8G has the Vega 10 XT graphics chip installed, which is based on the GCN 5 architecture. The ASRock Radeon RX 6900 XT OC Formula 16GB is based on the graphics chip Navi 21, which comes from the RDNA 2 architecture. |
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| ASRock Phantom Gaming X Radeon RX VEGA 64 8G | GPU | ASRock Radeon RX 6900 XT OC Formula 16GB |
| AMD RX Vega 64 | Based on | AMD Radeon RX 6900 XT |
| Vega 10 XT | GPU Chip | Navi 21 |
| GCN 5 | Architecture | RDNA 2 |
| 64 | Streaming Multiprocessors | 80 |
| 4096 | Shader | 5120 |
| 64 | Render Output Units | 128 |
| 256 | Texture Units | 320 |
| 0 | Raytracing Cores | 80 |
MemoryThe graphics memory of the ASRock Phantom Gaming X Radeon RX VEGA 64 8G clocks at 0.945 GHz, which corresponds to a speed of 1.9 Gbps. The graphics memory speed of the ASRock Radeon RX 6900 XT OC Formula 16GB is 16.0 Gbps and the clock speed is 2.000 GHz. |
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| 8 GB | Memory Size | 16 GB |
| HBM2 | Memory Type | GDDR6 |
| 0.945 GHz | Memory Clock | 2.000 GHz |
| 1.9 Gbps | Memory Speed | 16.0 Gbps |
| 484 GB/s | Memory bandwidth | 512 GB/s |
| 2048 bit | Memory Interface | 256 bit |
Clock SpeedsThe clock frequency of a graphics card determines the speed in connection with the graphics architecture. |
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| 1.247 GHz | Base Clock | 2.125 GHz |
| 1.546 GHz | Boost Clock | 2.475 GHz |
| Avg (Game) Clock | 2.37 GHz | |
| Yes | Overclocking | Yes |
Thermal DesignThe ASRock Phantom Gaming X Radeon RX VEGA 64 8G is powered by 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 295 W. The ASRock Radeon RX 6900 XT OC Formula 16GB has 3 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 300 W. |
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| 295 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 ASRock Phantom Gaming X Radeon RX VEGA 64 8G is equipped with a total of 1 Radial main fans. The ASRock Radeon RX 6900 XT OC Formula 16GB has 3 Axial main fans that cool the GPU and memory. |
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| Radial | Fan-Type | Axial |
| 1 x 70 mm | Fan 1 | 3 x 100 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| dB | Noise (Idle) | 0 dB |
| -- | Noise (Load) | -- |
ConnectivityUp to 4 screens can be operated with the ASRock Phantom Gaming X Radeon RX VEGA 64 8G. The ASRock Radeon RX 6900 XT OC Formula 16GB supports the operation of a maximum of 4 monitors. |
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| 4 | Max. Displays | 4 |
| 2.2 | HDCP-Version | 2.3 |
| 1x HDMI v2.0b | HDMI Ports | 1x HDMI v2.1 |
| 3x DP v1.4 | DP Ports | 3x DP v1.4a |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetWith the ASRock Phantom Gaming X Radeon RX VEGA 64 8G it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels. The maximum supported resolution of the ASRock Radeon RX 6900 XT OC Formula 16GB 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 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 |
| No | AV1 | Decode |
| Decode | VP8 | Decode / Encode |
| Decode / Encode | VP9 | Decode / Encode |
DimensionsThe ASRock Phantom Gaming X Radeon RX VEGA 64 8G is connected to the system via PCIe 3.0 x 16 lanes and requires 2 PCIe-Slots space in the housing. The ASRock Radeon RX 6900 XT OC Formula 16GB needs the space of 3 PCIe-Slots in the case and has a PCIe 4.0 x 16 Lanes interface. |
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| 280 mm | Length | 332 mm |
| 127 mm | Height | 137 mm |
| 41 mm | Width | 61 mm |
| 2 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
| -- | Weight | 1784 g |
| PCIe 3.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataThe ASRock Phantom Gaming X Radeon RX VEGA 64 8G has been manufactured with a structure width of 14 nanometers since Q3/2017. The ASRock Radeon RX 6900 XT OC Formula 16GB came on the market in Q2/2021 and will have a structure width of 7 nanometers manufactured. |
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| PG X R RX VEGA 64 8G | Part-no | RX6900XT OCF 16G |
| Q3/2017 | Release date | Q2/2021 |
| 499 $ (Reference) | Launch Price | 999 $ (Reference) |
| 14 nm | Structure size | 7 nm |
| data sheet | Documents | data sheet |
1.247 GHz, 8 GB (295 W TDP)
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2.125 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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ASRock Phantom Gaming X Radeon RX VEGA 64 8G
8 GB HBM2 |
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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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Port Royal (Raytracing)
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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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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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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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2560x1440 (1440p)
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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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1920x1080 (1080p)
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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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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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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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2560x1440 (1440p)
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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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1920x1080 (1080p)
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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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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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ASRock Phantom Gaming X Radeon RX VEGA 64 8G
8 GB HBM2 |
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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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2560x1440 (1440p)
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ASRock Phantom Gaming X Radeon RX VEGA 64 8G
8 GB HBM2 |
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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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1920x1080 (1080p)
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ASRock Phantom Gaming X Radeon RX VEGA 64 8G
8 GB HBM2 |
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ASRock Radeon RX 6900 XT OC Formula 16GB
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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ASRock Phantom Gaming X Radeon RX VEGA 64 8G
8 GB HBM2 |
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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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Geekbench 6 - Vulkan
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ASRock Phantom Gaming X Radeon RX VEGA 64 8G
8 GB HBM2 |
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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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Geekbench 6 - Metal
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ASRock Phantom Gaming X Radeon RX VEGA 64 8G
8 GB HBM2 |
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ASRock Radeon RX 6900 XT OC Formula 16GB
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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ASRock Phantom Gaming X Radeon RX VEGA 64 8G
8 GB HBM2 |
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ASRock Radeon RX 6900 XT OC Formula 16GB
16 GB GDDR6 |
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