ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC
vs
GIGABYTE GeForce GTX 1660 GAMING 6G
GPU comparison with benchmarksThe ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC is based on the AMD Radeon RX 6600 XT (RDNA 2) and has 8 GB GDDR6 graphics memory with a bandwidth of 256 GB/s.
The GIGABYTE GeForce GTX 1660 GAMING 6G is based on the NVIDIA GeForce GTX 1660 (Turing) and has 6 GB GDDR5 graphics memory with a bandwidth of 192 GB/s. |
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GPUThe ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC has the Navi 23 XT graphics chip installed, which is based on the RDNA 2 architecture. The GIGABYTE GeForce GTX 1660 GAMING 6G is based on the graphics chip TU116-300-A1, which comes from the Turing architecture. |
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| ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC | GPU | GIGABYTE GeForce GTX 1660 GAMING 6G |
| AMD Radeon RX 6600 XT | Based on | NVIDIA GeForce GTX 1660 |
| Navi 23 XT | GPU Chip | TU116-300-A1 |
| RDNA 2 | Architecture | Turing |
| 32 | Streaming Multiprocessors | 22 |
| 2048 | Shader | 1408 |
| 64 | Render Output Units | 48 |
| 128 | Texture Units | 88 |
| 32 | Raytracing Cores | 0 |
MemoryThe graphics memory of the ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC clocks at 2.000 GHz, which corresponds to a speed of 16.0 Gbps. The graphics memory speed of the GIGABYTE GeForce GTX 1660 GAMING 6G is 8.0 Gbps and the clock speed is 2.000 GHz. |
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| 8 GB | Memory Size | 6 GB |
| GDDR6 | Memory Type | GDDR5 |
| 2.000 GHz | Memory Clock | 2.000 GHz |
| 16.0 Gbps | Memory Speed | 8.0 Gbps |
| 256 GB/s | Memory bandwidth | 192 GB/s |
| 128 bit | Memory Interface | 192 bit |
Clock SpeedsThe clock frequency of a graphics card determines the speed in connection with the graphics architecture. |
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| 2.064 GHz | Base Clock | 1.530 GHz |
| 2.607 GHz | Boost Clock | 1.785 GHz |
| 2.43 GHz | Avg (Game) Clock | |
| Yes | Overclocking | Yes |
Thermal DesignThe ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC is powered by 1 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 160 W. The GIGABYTE GeForce GTX 1660 GAMING 6G has 1 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 120 W. |
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| 160 W | TDP | 120 W |
| -- | TDP (up) | -- |
| 100 °C | Tjunction max | 95 °C |
| 1 x 8-Pin | PCIe-Power | 1 x 8-Pin |
Cooler & FansThe ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC is equipped with a total of 3 Axial main fans. The GIGABYTE GeForce GTX 1660 GAMING 6G has 3 Axial main fans that cool the GPU and memory. |
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| Axial | Fan-Type | Axial |
| 3 x 90 mm | Fan 1 | 3 x 80 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | dB |
| -- | Noise (Load) | -- |
ConnectivityUp to 4 screens can be operated with the ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC. The GIGABYTE GeForce GTX 1660 GAMING 6G supports the operation of a maximum of 3 monitors. |
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| 4 | Max. Displays | 3 |
| 2.3 | HDCP-Version | 2.2 |
| 1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.0b |
| 3x DP v1.4 | DP Ports | 3x DP v1.4 |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetWith the ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels. The maximum supported resolution of the GIGABYTE GeForce GTX 1660 GAMING 6G is 7680x4320 pixels. |
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| 7680x4320 | Max. resolution | 7680x4320 |
| 12_2 (Ultimate) | DirectX | 12_1 |
| Yes | Raytracing | No |
| Yes | DLSS / FSR | Yes |
| Addressable LED | LED | No LED lighting |
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 | No |
| Decode / Encode | VP8 | Decode |
| Decode / Encode | VP9 | Decode |
DimensionsThe ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC is connected to the system via PCIe 4.0 x 8 lanes and requires 3 PCIe-Slots space in the housing. The GIGABYTE GeForce GTX 1660 GAMING 6G needs the space of 2 PCIe-Slots in the case and has a PCIe 3.0 x 16 Lanes interface. |
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| 305 mm | Length | 280 mm |
| 131 mm | Height | 116 mm |
| 48 mm | Width | 40 mm |
| 3 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
| 894 g | Weight | -- |
| PCIe 4.0 x 8 | GPU Interface | PCIe 3.0 x 16 |
Additional dataThe ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC has been manufactured with a structure width of 7 nanometers since Q3/2021. The GIGABYTE GeForce GTX 1660 GAMING 6G came on the market in Q1/2019 and will have a structure width of 12 nanometers manufactured. |
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| RX6600XT PGD 8GO | Part-no | GV-N1660GAMING-6GD |
| Q3/2021 | Release date | Q1/2019 |
| 379 $ (Reference) | Launch Price | 219 $ (Reference) |
| 7 nm | Structure size | 12 nm |
| data sheet | Documents | data sheet |
2.064 GHz, 8 GB (160 W TDP)
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1.530 GHz, 6 GB (120 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 Radeon RX 6600 XT Phantom Gaming D 8GB OC
8 GB GDDR6 |
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GIGABYTE GeForce GTX 1660 GAMING 6G
6 GB GDDR5 |
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Port Royal (Raytracing)
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ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC
8 GB GDDR6 |
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GIGABYTE GeForce GTX 1660 GAMING 6G
6 GB GDDR5 |
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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.
2560x1440 (1440p)
1920x1080 (1080p)
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ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC
8 GB GDDR6 |
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GIGABYTE GeForce GTX 1660 GAMING 6G
6 GB GDDR5 |
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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 Radeon RX 6600 XT Phantom Gaming D 8GB OC
8 GB GDDR6 |
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GIGABYTE GeForce GTX 1660 GAMING 6G
6 GB GDDR5 |
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2560x1440 (1440p)
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ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC
8 GB GDDR6 |
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GIGABYTE GeForce GTX 1660 GAMING 6G
6 GB GDDR5 |
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1920x1080 (1080p)
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ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC
8 GB GDDR6 |
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GIGABYTE GeForce GTX 1660 GAMING 6G
6 GB GDDR5 |
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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 Radeon RX 6600 XT Phantom Gaming D 8GB OC
8 GB GDDR6 |
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GIGABYTE GeForce GTX 1660 GAMING 6G
6 GB GDDR5 |
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Geekbench 6 - Vulkan
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ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC
8 GB GDDR6 |
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GIGABYTE GeForce GTX 1660 GAMING 6G
6 GB GDDR5 |
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Geekbench 6 - Metal
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 Radeon RX 6600 XT Phantom Gaming D 8GB OC
8 GB GDDR6 |
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GIGABYTE GeForce GTX 1660 GAMING 6G
6 GB GDDR5 |
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