ASRock Radeon RX 6600 Challenger ITX
vs
KFA2 GeForce GTX 1660 SUPER EX (1-Click OC)
GPU comparison with benchmarksThe ASRock Radeon RX 6600 Challenger ITX has 1792 shader units and these clock a maximum of 2.49 GHz which results in an FP32 computing power of 8.93 TFLOPS.
The KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) has 1408 shader units and these clock at a maximum of 1.85 GHz and achieve an FP32 computing power of 5.20 TFLOPS. |
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GPUThe ASRock Radeon RX 6600 Challenger ITX is equipped with a graphics chip of the RDNA 2 architecture, which has 28 streaming multiprocessors. The graphics card KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) is based on the Turing architecture and is equipped with 22 execution units. |
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| ASRock Radeon RX 6600 Challenger ITX | GPU | KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) |
| AMD Radeon RX 6600 | Based on | NVIDIA GeForce GTX 1660 SUPER |
| Navi 23 XL | GPU Chip | TU116-300-A1 |
| RDNA 2 | Architecture | Turing |
| 28 | Streaming Multiprocessors | 22 |
| 1792 | Shader | 1408 |
| 64 | Render Output Units | 48 |
| 112 | Texture Units | 88 |
| 28 | Raytracing Cores | 0 |
MemoryThe ASRock Radeon RX 6600 Challenger ITX is equipped with a 8 GB large GDDR6 graphics memory, which is equipped with 1.750 GHz clocks. The KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) has a 6 GB large GDDR6 graphics memory and the memory clock is 1.750GHz. |
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| 8 GB | Memory Size | 6 GB |
| GDDR6 | Memory Type | GDDR6 |
| 1.750 GHz | Memory Clock | 1.750 GHz |
| 14.0 Gbps | Memory Speed | 14.0 Gbps |
| 224 GB/s | Memory bandwidth | 336 GB/s |
| 128 bit | Memory Interface | 192 bit |
Clock SpeedsThe ASRock Radeon RX 6600 Challenger ITX has a turbo clock of 2.491 GHz. The turbo frequency of the KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) is 1.845 GHz. |
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| 1.626 GHz | Base Clock | 1.530 GHz |
| 2.491 GHz | Boost Clock | 1.845 GHz |
| 2.04 GHz | Avg (Game) Clock | 1.83 GHz |
| Yes | Overclocking | Yes |
Thermal DesignThe ASRock Radeon RX 6600 Challenger ITX has 1 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 100 °C. The KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) is equipped with a 1 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 93 °C. |
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| 132 W | TDP | 125 W |
| -- | TDP (up) | -- |
| 100 °C | Tjunction max | 93 °C |
| 1 x 8-Pin | PCIe-Power | 1 x 8-Pin |
Cooler & FansThe graphics processor and graphics memory of the ASRock Radeon RX 6600 Challenger ITX are cooled with a Air cooling. The KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) is cooled by a Air cooling. |
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| Axial | Fan-Type | Axial |
| 1 x 100 mm | Fan 1 | 2 x 90 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | dB |
| -- | Noise (Load) | -- |
ConnectivityThe ASRock Radeon RX 6600 Challenger ITX supports the downward compatible copy protection HDCP in version 2.3. The KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) supports HDCP in version 2.2 and all previous versions. |
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| 4 | Max. Displays | 3 |
| 2.3 | HDCP-Version | 2.2 |
| 1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.0b |
| 2x DP v1.4 | DP Ports | 1x DP v1.4 |
| -- | DVI Ports | 1 |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetThe ASRock Radeon RX 6600 Challenger ITX supports the DirectX standard from Microsoft in version 12_2 (Ultimate). The KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) supports Microsoft's DirectX version 12_1. |
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| 7680x4320 | Max. resolution | 7680x4320 |
| 12_2 (Ultimate) | DirectX | 12_1 |
| Yes | Raytracing | No |
| Yes | DLSS / FSR | Yes |
| No LED lighting | LED | No LED lighting |
Supported Video CodecsThis area lists which video codecs can be decoded or encoded by the graphics cards in hardware. As a result, the power consumption can be reduced due to a lower processor load. |
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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 Challenger ITX is 40 mm wide and therefore needs the space of 2 PCIe-Slots in the case. The width of the KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) is 40 mm and thus requires the space of 2 PCIe-Slots in the PC case. |
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| 179 mm | Length | 245 mm |
| 124 mm | Height | 133 mm |
| 40 mm | Width | 42 mm |
| 2 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
| -- | Weight | -- |
| PCIe 4.0 x 8 | GPU Interface | PCIe 3.0 x 16 |
Additional dataManufactured using the 7 nanometer process, ASRock Radeon RX 6600 Challenger ITX was released in Q4/2021. The KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) published in Q4/2019 is manufactured with a structure width of 12 nanometers. |
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| RX6600 CLI 8G | Part-no | 60SRL7DS03EK |
| Q4/2021 | Release date | Q4/2019 |
| 329 $ (Reference) | Launch Price | 229 $ (Reference) |
| 7 nm | Structure size | 12 nm |
| data sheet | Documents | data sheet |
1.626 GHz, 8 GB (132 W TDP)
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1.530 GHz, 6 GB (125 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 Challenger ITX
8 GB GDDR6 |
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KFA2 GeForce GTX 1660 SUPER EX (1-Click OC)
6 GB GDDR6 |
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Port Royal (Raytracing)
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ASRock Radeon RX 6600 Challenger ITX
8 GB GDDR6 |
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KFA2 GeForce GTX 1660 SUPER EX (1-Click OC)
6 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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ASRock Radeon RX 6600 Challenger ITX
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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ASRock Radeon RX 6600 Challenger ITX
8 GB GDDR6 |
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2560x1440 (1440p)
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ASRock Radeon RX 6600 Challenger ITX
8 GB GDDR6 |
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1920x1080 (1080p)
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ASRock Radeon RX 6600 Challenger ITX
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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ASRock Radeon RX 6600 Challenger ITX
8 GB GDDR6 |
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KFA2 GeForce GTX 1660 SUPER EX (1-Click OC)
6 GB GDDR6 |
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1920x1080 (1080p)
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ASRock Radeon RX 6600 Challenger ITX
8 GB GDDR6 |
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KFA2 GeForce GTX 1660 SUPER EX (1-Click OC)
6 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 Radeon RX 6600 Challenger ITX
8 GB GDDR6 |
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KFA2 GeForce GTX 1660 SUPER EX (1-Click OC)
6 GB GDDR6 |
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2560x1440 (1440p)
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ASRock Radeon RX 6600 Challenger ITX
8 GB GDDR6 |
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KFA2 GeForce GTX 1660 SUPER EX (1-Click OC)
6 GB GDDR6 |
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1920x1080 (1080p)
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ASRock Radeon RX 6600 Challenger ITX
8 GB GDDR6 |
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KFA2 GeForce GTX 1660 SUPER EX (1-Click OC)
6 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 Radeon RX 6600 Challenger ITX
8 GB GDDR6 |
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KFA2 GeForce GTX 1660 SUPER EX (1-Click OC)
6 GB GDDR6 |
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Geekbench 6 - Vulkan
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ASRock Radeon RX 6600 Challenger ITX
8 GB GDDR6 |
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KFA2 GeForce GTX 1660 SUPER EX (1-Click OC)
6 GB GDDR6 |
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Geekbench 6 - Metal
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ASRock Radeon RX 6600 Challenger ITX
8 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 Radeon RX 6600 Challenger ITX
8 GB GDDR6 |
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KFA2 GeForce GTX 1660 SUPER EX (1-Click OC)
6 GB GDDR6 |
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