AMD Radeon RX 6600 vs GeForce GTX 1660 SUPER
VS
AMD Radeon RX 6600
Navi 23
We compared two discrete desktop gaming GPUs: the Radeon RX 6600 8 GB with 1792 shaders against the 1 year and 11 months older GeForce GTX 1660 SUPER 6 GB that utilizes 22 pipelines and 1408 shaders. Here you will find complete details about specs, efficiency, performance tests, and more.
Review
Gaming
Performance in DirectX, OpenCL, and Vulkan games
Workstation
Perf. in 3D modeling, video editing and rendering apps
AI/ML
Capabilities for machine learning and AI-related tasks
Energy Efficiency
Power consumption efficiency in different scenarios
NanoReview Final Score
Overall video card score
Value for money (Beta)
Key differences
Reasons to consider the Radeon RX 6600
- Performs significantly better (up to 80%) in 3DMark Steel Nomad Lite
- Shows 65% higher average frame rate in modern games at QHD resolution – 66 vs 40 FPS
- 78% higher maximum theoretical performance (8.9 vs 5 TFLOPS)
- Manufactured using a more efficient 7 nm process technology
- Ray-tracing support with 28 dedicated RT cores
- Includes 2 GB more video memory
- Has 27% more shading units (1792 vs 1408)
Reasons to consider the GeForce GTX 1660 SUPER
- Has 50% higher memory bandwidth: 336 vs 224 GB/s
Gaming Performance
Frame rate comparison across popular AAA titles at different resolutionsGames
| Forza Horizon 5 | 144 78 66 43 |
86 51 43 25 |
| The Witcher 3 | 124 104 71 39 |
83 65 47 26 |
| Counter-Strike 2 | 197 140 97 50 |
133 93 68 29 |
| Far Cry 6 | 110 95 70 41 |
70 62 46 24 |
| Hogwarts Legacy | 74 65 46 24 |
46 36 26 13 |
| CoD: Modern Warfare III | 100 96 64 40 |
55 44 31 19 |
| Ghost of Tsushima | 84 65 49 27 |
41 34 26 12 |
| Cyberpunk 2077 | 79 67 43 21 |
44 40 22 11 |
| Shadow of the Tomb Raider | 131 117 84 40 |
77 71 47 23 |
| 1080p High | 116 | 71 |
| 1080p Ultra | 92 | 55 |
| 1440p Ultra | 66 | 40 |
| 4K Ultra | 36 | 20 |
| Margin of Error | Low | Low |
Benchmarks
Graphics cards’ performance in recent benchmarking apps3D Mark
Steel Nomad Lite Score
| Time Spy | 10397 | 6042 |
| Solar Bay | 45002 | 19265 |
| Port Royal | 5819 | 1547 |
| Fire Strike | 26481 | 16189 |
| Wild Life Extreme | 19820 | 12334 |
| Night Raid | 98330 | 74735 |
GeekBench 6 OpenCL
GB6 Compute Score
| Background Blur | 104.1 img/sec | 122.5 img/sec |
| Face Detection | 79.7 img/sec | 68.6 img/sec |
| Horizon Detection | 2.05 Gpixels/sec | 2.56 Gpixels/sec |
| Edge Detection | 2.61 Gpixels/sec | 3.33 Gpixels/sec |
| Gaussian Blur | 2.59 Gpixels/sec | 3.21 Gpixels/sec |
| Feature Matching | 0.64 Gpixels/sec | 0.86 Gpixels/sec |
| Stereo Matching | 257.8 Gpixels/sec | 273.3 Gpixels/sec |
| Particle Physics | 7635.3 FPS | 8476.3 FPS |
| API | OpenCL | OpenCL |
Cinebench 2024 GPU
Cinebench 2024 GPU
Passmark Graphics
G3D Mark Score
| G2D Mark | 895 | 807 |
| DirectX 11 | 153 FPS | 104 FPS |
| DirectX 12 | 51 FPS | 50 FPS |
| GPU Compute | 6443 Ops/s | 5033 Ops/s |
Blender
Blender GPU
Recent User Tests
Radeon RX 6600
No benchmark results yet
GeForce GTX 1660 SUPER
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-03-02 (TEST) | Cinebench 2024 | 3271 |
Artificial Intelligence Tests
Performance in machine learning and artificial intelligence tasksGeekBench 6 ML
GB6 ML Single Precision
GB6 ML Half Precision
GB6 ML Quantized
| Image Classification (SP) | 5441 | 4278 |
| Image Segmentation (HP) | 6810 | 5856 |
| Image Super Resolution (Q) | 15043 | 9561 |
| Face Detection (HP) | 19066 | 9830 |
| Pose Estimation (Q) | 58821 | 36109 |
| Text Classification (SP) | 1943 | 1858 |
| Machine Translation (HP) | 2928 | 3286 |
| Object Detection (SP) | 4309 | 5151 |
| Depth Estimation (Q) | 23470 | 18021 |
| Style Transfer (SP) | 132475 | 73708 |
| Framework | ONNX | ONNX |
| Backend | DirectML | DirectML |
Specifications
Technical specifications of Radeon RX 6600 and GeForce GTX 1660 SUPERGeneral
| Vendor | Amd | Nvidia |
| Build | Discrete | Discrete |
| Released | October 13, 2021 | October 29, 2019 |
| Launch price (MSRP) | $329 | $229 |
| Case | Desktop | Desktop |
| Purpose | Gaming | Gaming |
| Segment | Mid-range | Entry-level |
| Architecture | RDNA 2.0 | Turing |
| GPU Codename | Navi 23 | TU116 |
| Rival Equivalent | - GeForce RTX 3060 | - Radeon RX 5600 XT |
| Successor | - Radeon RX 7600 | - |
| Recommended CPU | - Intel Core i5 12400 or above | - Intel Core i5 9500 or above |
Desktop GPU rating (68th and 75th place)
Graphics Processing Unit
| Base Clock | 1626 MHz | 1530 MHz |
| Boost Clock | 2491 MHz | 1785 MHz |
| Shading Units | 1792 | 1408 |
| Texture Mapping Units (TMUs) | 112 | 88 |
| Render Output Units (ROPs) | 64 | 48 |
| Compute Units (Pipelines) | - | 22 |
| Tensor Cores | No | No |
| Ray-tracing Cores | 28 | No |
| L1 Cache | 128KB per cluster | 64KB per cluster |
| L2 Cache | 2MB shared | 1536KB shared |
| Instructions Per Cycle | 2 IPC | 2 IPC |
Raw Performance
| Pixel Fill Rate | 159 GPixel/s | 86 GPixel/s |
| Texture Fill Rate | 279 GTexel/s | 157 GTexel/s |
FLOPS (FP32)
Physical
| Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| TGP | 132 W | 125 W |
| Manufacturing | TSMC | TSMC |
| Fabrication Process | 7 nm | 12 nm |
| Die Size | 237 mm² | 284 mm² |
| Transistor Count | 11 billion | 6 billion |
| Transistor Density | 46.41 MTr/mm² | 21.13 MTr/mm² |
Memory
| Memory Type | GDDR6 | GDDR6 |
| Memory Size | 8 GB | 6 GB |
| Memory Clock | 1750 MHz | 1750 MHz |
| Effective Memory Speed | 14000 Mbps | 14000 Mbps |
| Bus | 128-bit | 192-bit |
| ECC | No | No |
Memory Bandwidth
API
| DirectX | 12 | 12 |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| CUDA | - | 7.5 |
| Ray Tracing | Yes | No |
| DLSS | No | No |
| DisplayPort | 1.4a | 1.4a |
Cast your vote
Total votes: 67