ASUS ROG Strix Radeon RX 6600 XT OC
vs
ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan
GPU comparison with benchmarksThe ASUS ROG Strix Radeon RX 6600 XT OC has 2048 shader units and these clock a maximum of 2.61 GHz which results in an FP32 computing power of 10.68 TFLOPS.
The ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan has 1408 shader units and these clock at a maximum of 1.79 GHz and achieve an FP32 computing power of 5.03 TFLOPS. |
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GPUThe ASUS ROG Strix Radeon RX 6600 XT OC is equipped with a graphics chip of the RDNA 2 architecture, which has 32 streaming multiprocessors. The graphics card ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan is based on the Turing architecture and is equipped with 22 execution units. |
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| ASUS ROG Strix Radeon RX 6600 XT OC | GPU | ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan |
| AMD Radeon RX 6600 XT | Based on | NVIDIA GeForce GTX 1660 SUPER |
| 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 ASUS ROG Strix Radeon RX 6600 XT OC is equipped with a 8 GB large GDDR6 graphics memory, which is equipped with 2.000 GHz clocks. The ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan 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 |
| 2.000 GHz | Memory Clock | 1.750 GHz |
| 16.0 Gbps | Memory Speed | 14.0 Gbps |
| 256 GB/s | Memory bandwidth | 336 GB/s |
| 128 bit | Memory Interface | 192 bit |
Clock SpeedsThe ASUS ROG Strix Radeon RX 6600 XT OC has a turbo clock of 2.607 GHz. The turbo frequency of the ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan is 1.785 GHz. |
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| 2.000 GHz | Base Clock | 1.530 GHz |
| 2.607 GHz | Boost Clock | 1.785 GHz |
| 2.45 GHz | Avg (Game) Clock | |
| Yes | Overclocking | Yes |
Thermal DesignThe ASUS ROG Strix Radeon RX 6600 XT OC 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 ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan 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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| 160 W | TDP | 125 W |
| 175 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 ASUS ROG Strix Radeon RX 6600 XT OC are cooled with a Air cooling. The ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan is cooled by a Air cooling. |
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| Axial | Fan-Type | Axial |
| 2 x 100 mm | Fan 1 | 1 x 80 mm |
| -- | Fan 2 | 1 x 70 mm |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | dB |
| -- | Noise (Load) | -- |
ConnectivityThe ASUS ROG Strix Radeon RX 6600 XT OC supports the downward compatible copy protection HDCP in version 2.3. The ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan 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 |
| 3x DP v1.4a | DP Ports | 3x DP v1.4 |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetThe ASUS ROG Strix Radeon RX 6600 XT OC supports the DirectX standard from Microsoft in version 12_2 (Ultimate). The ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan 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 |
| ASUS Aura Sync | 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 ASUS ROG Strix Radeon RX 6600 XT OC is 52 mm wide and therefore needs the space of 2 PCIe-Slots in the case. The width of the ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan is 52 mm and thus requires the space of 2 PCIe-Slots in the PC case. |
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| 243 mm | Length | 173 mm |
| 134 mm | Height | 111 mm |
| 52 mm | Width | 35 mm |
| 3 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, ASUS ROG Strix Radeon RX 6600 XT OC was released in Q3/2021. The ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan published in Q4/2019 is manufactured with a structure width of 12 nanometers. |
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| ROG-STRIX-RX6600XT-O8G-GAMING | Part-no | ZT-T16620F-10L |
| Q3/2021 | Release date | Q4/2019 |
| 379 $ (Reference) | Launch Price | 229 $ (Reference) |
| 7 nm | Structure size | 12 nm |
| data sheet | Documents | data sheet |
2.000 GHz, 8 GB (160 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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ASUS ROG Strix Radeon RX 6600 XT OC
8 GB GDDR6 |
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ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan
6 GB GDDR6 |
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Port Royal (Raytracing)
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ASUS ROG Strix Radeon RX 6600 XT OC
8 GB GDDR6 |
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ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan
6 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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ASUS ROG Strix Radeon RX 6600 XT OC
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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ASUS ROG Strix Radeon RX 6600 XT OC
8 GB GDDR6 |
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2560x1440 (1440p)
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ASUS ROG Strix Radeon RX 6600 XT OC
8 GB GDDR6 |
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1920x1080 (1080p)
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ASUS ROG Strix Radeon RX 6600 XT OC
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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ASUS ROG Strix Radeon RX 6600 XT OC
8 GB GDDR6 |
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ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan
6 GB GDDR6 |
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1920x1080 (1080p)
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ASUS ROG Strix Radeon RX 6600 XT OC
8 GB GDDR6 |
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ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan
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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ASUS ROG Strix Radeon RX 6600 XT OC
8 GB GDDR6 |
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ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan
6 GB GDDR6 |
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2560x1440 (1440p)
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ASUS ROG Strix Radeon RX 6600 XT OC
8 GB GDDR6 |
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ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan
6 GB GDDR6 |
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1920x1080 (1080p)
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ASUS ROG Strix Radeon RX 6600 XT OC
8 GB GDDR6 |
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ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan
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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ASUS ROG Strix Radeon RX 6600 XT OC
8 GB GDDR6 |
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ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan
6 GB GDDR6 |
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Geekbench 6 - Vulkan
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ASUS ROG Strix Radeon RX 6600 XT OC
8 GB GDDR6 |
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ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan
6 GB GDDR6 |
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Geekbench 6 - Metal
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ASUS ROG Strix Radeon RX 6600 XT OC
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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ASUS ROG Strix Radeon RX 6600 XT OC
8 GB GDDR6 |
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ZOTAC GAMING GeForce GTX 1660 SUPER Twin Fan
6 GB GDDR6 |
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