GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
vs
PowerColor Radeon RX Vega 64
GPU comparison with benchmarksIn the gpu comparison between the GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G and the PowerColor Radeon RX Vega 64, we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G is based on the AMD Radeon RX 6600 XT and has 2048 texture shaders and 32 execution units. PowerColor Radeon RX Vega 64 is based on AMD RX Vega 64, which has 4096 shaders and 64 execution units. |
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| GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G | GPU | PowerColor Radeon RX Vega 64 |
| AMD Radeon RX 6600 XT | Based on | AMD RX Vega 64 |
| Navi 23 XT | GPU Chip | Vega 10 XT |
| RDNA 2 | Architecture | GCN 5 |
| 32 | Streaming Multiprocessors | 64 |
| 2048 | Shader | 4096 |
| 64 | Render Output Units | 64 |
| 128 | Texture Units | 256 |
| 32 | Raytracing Cores | 0 |
MemoryThe GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G has 8 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 256 GB/s. The PowerColor Radeon RX Vega 64 can access 8 GB HBM2 graphics memory and thus achieves a memory bandwidth of 484 GB/s. |
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| 8 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 |
| 256 GB/s | Memory bandwidth | 484 GB/s |
| 128 bit | Memory Interface | 2048 bit |
Clock SpeedsThe GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G clocks in the base with up to 1.968 GHz. The base frequency of the PowerColor Radeon RX Vega 64 is 1.247 GHz. |
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| 1.968 GHz | Base Clock | 1.247 GHz |
| 2.607 GHz | Boost Clock | 1.546 GHz |
| 2.43 GHz | Avg (Game) Clock | |
| Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G is 160 W. The graphics card is supplied with energy via the 1 x 8-Pin connector. The PowerColor Radeon RX Vega 64 has a TDP of 295 W and is supplied with the required energy via 2 x 8-Pin PCIe power connectors. |
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| 160 W | TDP | 295 W |
| -- | TDP (up) | -- |
| 100 °C | Tjunction max | 100 °C |
| 1 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G has a total of 3 Axial fans. The PowerColor Radeon RX Vega 64 has 1 Radial fans to cool the GPU and memory. |
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| Axial | Fan-Type | Radial |
| 3 x 80 mm | Fan 1 | 1 x 70 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 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 GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G. The PowerColor Radeon RX Vega 64 supports a maximum of 4 screens. |
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| 4 | Max. Displays | 4 |
| 2.3 | HDCP-Version | 2.2 |
| 2x HDMI v2.1 | HDMI Ports | 1x HDMI v2.0b |
| 2x DP v1.4a | DP Ports | 3x DP v1.4 |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetThe GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the PowerColor Radeon RX Vega 64 is 7680x4320 pixels. |
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| 7680x4320 | Max. resolution | 7680x4320 |
| 12_2 (Ultimate) | DirectX | 12_1 |
| Yes | Raytracing | No |
| Yes | DLSS / FSR | Yes |
| GIGABYTE RGB Fusion | LED | No LED lighting |
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 | No |
| Decode / Encode | VP8 | Decode |
| Decode / Encode | VP9 | Decode / Encode |
DimensionsThe GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G is 282 mm long, 115 mm high and 50 mm wide. The PowerColor Radeon RX Vega 64 is 280 mm long, 127 mm high and 40 mm wide. |
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| 282 mm | Length | 280 mm |
| 115 mm | Height | 127 mm |
| 50 mm | Width | 40 mm |
| 3 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
| 890 g | Weight | -- |
| PCIe 4.0 x 8 | GPU Interface | PCIe 3.0 x 16 |
Additional dataThe GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G was released in Q3/2021 at a price of 379 $ (Reference). The PowerColor Radeon RX Vega 64 was introduced in Q3/2017 at a price of 499 $ (Reference). |
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| GV-R66XTGAMINGOC PRO-8GD | Part-no | AXRX VEGA 64 8GBHBM2-3DH |
| Q3/2021 | Release date | Q3/2017 |
| 379 $ (Reference) | Launch Price | 499 $ (Reference) |
| 7 nm | Structure size | 14 nm |
| data sheet | Documents | data sheet |
1.968 GHz, 8 GB (160 W TDP)
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1.247 GHz, 8 GB (295 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 6600 XT Gaming OC Pro 8G
8 GB GDDR6 |
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PowerColor Radeon RX Vega 64
8 GB HBM2 |
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Port Royal (Raytracing)
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GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
8 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
8 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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GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
8 GB GDDR6 |
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2560x1440 (1440p)
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GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
8 GB GDDR6 |
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1920x1080 (1080p)
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GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
8 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.
2560x1440 (1440p)
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GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
8 GB GDDR6 |
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1920x1080 (1080p)
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GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
8 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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GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
8 GB GDDR6 |
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PowerColor Radeon RX Vega 64
8 GB HBM2 |
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2560x1440 (1440p)
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GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
8 GB GDDR6 |
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PowerColor Radeon RX Vega 64
8 GB HBM2 |
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1920x1080 (1080p)
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GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
8 GB GDDR6 |
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PowerColor Radeon RX Vega 64
8 GB HBM2 |
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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 6600 XT Gaming OC Pro 8G
8 GB GDDR6 |
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PowerColor Radeon RX Vega 64
8 GB HBM2 |
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Geekbench 6 - Vulkan
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GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
8 GB GDDR6 |
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PowerColor Radeon RX Vega 64
8 GB HBM2 |
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Geekbench 6 - Metal
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GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G
8 GB GDDR6 |
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PowerColor Radeon RX Vega 64
8 GB HBM2 |
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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 6600 XT Gaming OC Pro 8G
8 GB GDDR6 |
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PowerColor Radeon RX Vega 64
8 GB HBM2 |
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