GeForce GTX 1660 SUPER vs Radeon RX 6600S
GeForce GTX 1660 SUPER
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Radeon RX 6600S
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Performance Spectrum - GPU
About G3D Mark
G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Radeon RX 6600S
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon RX 6600S is the superior choice for raw performance. It leads with a 2.6% higher G3D Mark score. However, the GeForce GTX 1660 SUPER offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce GTX 1660 SUPER | Radeon RX 6600S |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.6%) | ✅Leading raw performance (+2.6%) |
| Longevity | Turing (2018−2022) (12nm) | 🔮Strong Longevity (RDNA 2.0 (2020−2025) / 7nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | 🎮 High Capacity (6 GB) | 🎮 High Capacity (4 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce GTX 1660 SUPER offers a compelling cost-to-performance ratio. Priced at $110 versus $400 for the Radeon RX 6600S, it costs 73% less. While it maintains competitive performance, this results in a 254.6% higher cost efficiency score.
| Insight | GeForce GTX 1660 SUPER | Radeon RX 6600S |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+254.6%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($110) | ⚠️Higher upfront cost ($400) |
Performance Check
Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.
Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.
Technical Specifications
Side-by-side comparison of GeForce GTX 1660 SUPER and Radeon RX 6600S
GeForce GTX 1660 SUPER
The GeForce GTX 1660 SUPER is manufactured by NVIDIA. It was released in October 29 2019. It features the Turing architecture. The core clock ranges from 1530 MHz to 1785 MHz. It has 1408 shading units. The thermal design power (TDP) is 125W. Manufactured using 12 nm process technology. G3D Mark benchmark score: 12,692 points. Launch price was $229.
Radeon RX 6600S
The Radeon RX 6600S is manufactured by AMD. It was released in January 4 2022. It features the RDNA 2.0 architecture. The core clock ranges from 1700 MHz to 2000 MHz. It has 1792 shading units. The thermal design power (TDP) is 80W. Manufactured using 7 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,016 points.
Graphics Performance
The GeForce GTX 1660 SUPER scores 12,692 and the Radeon RX 6600S reaches 13,016 in the G3D Mark benchmark — just a 2.6% difference, making them near-identical in rasterization performance. The GeForce GTX 1660 SUPER is built on Turing while the Radeon RX 6600S uses RDNA 2.0, both on 12 nm vs 7 nm. Shader units: 1,408 (GeForce GTX 1660 SUPER) vs 1,792 (Radeon RX 6600S). Raw compute: 5.027 TFLOPS (GeForce GTX 1660 SUPER) vs 7.168 TFLOPS (Radeon RX 6600S). Boost clocks: 1785 MHz vs 2000 MHz.
| Feature | GeForce GTX 1660 SUPER | Radeon RX 6600S |
|---|---|---|
| G3D Mark Score | 12,692 | 13,016+3% |
| Architecture | Turing | RDNA 2.0 |
| Process Node | 12 nm | 7 nm |
| Shading Units | 1408 | 1792+27% |
| Compute (TFLOPS) | 5.027 TFLOPS | 7.168 TFLOPS+43% |
| Boost Clock | 1785 MHz | 2000 MHz+12% |
| ROPs | 48 | 64+33% |
| TMUs | 88 | 112+27% |
| L1 Cache | 1.4 MB+180% | 0.5 MB |
| L2 Cache | 1.5 MB | 2 MB+33% |
Advanced Features (DLSS/FSR)
A critical advantage for the Radeon RX 6600S is support for FSR 3 / AFMF. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The GeForce GTX 1660 SUPER lacks specific hardware/driver support for this native frame generation tier.
| Feature | GeForce GTX 1660 SUPER | Radeon RX 6600S |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 3 (Native) |
| Frame Generation | FSR 3 (Compatible) | FSR 3 / AFMF (Driver) |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GTX 1660 SUPER comes with 6 GB of VRAM, while the Radeon RX 6600S has 4 GB. The GeForce GTX 1660 SUPER offers 50% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 336 GB/s (GeForce GTX 1660 SUPER) vs 224 GB/s (Radeon RX 6600S) — a 50% advantage for the GeForce GTX 1660 SUPER. Bus width: 192-bit vs 128-bit. L2 Cache: 1.5 MB (GeForce GTX 1660 SUPER) vs 2 MB (Radeon RX 6600S) — the Radeon RX 6600S has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GTX 1660 SUPER | Radeon RX 6600S |
|---|---|---|
| VRAM Capacity | 6 GB+50% | 4 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 336 GB/s+50% | 224 GB/s |
| Bus Width | 192-bit+50% | 128-bit |
| L2 Cache | 1.5 MB | 2 MB+33% |
Display & API Support
DirectX support: 12 (12_1) (GeForce GTX 1660 SUPER) vs 12_2 (Radeon RX 6600S). Vulkan: 1.3 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 0.
| Feature | GeForce GTX 1660 SUPER | Radeon RX 6600S |
|---|---|---|
| DirectX | 12 (12_1) | 12_2 |
| Vulkan | 1.3 | 1.4+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 3 | 0 |
Media & Encoding
Hardware encoder: NVENC (Turing) (GeForce GTX 1660 SUPER) vs VCN 3.0 (Radeon RX 6600S). Decoder: NVDEC (Turing) vs VCN 3.0. Supported codecs: H.264,H.265,VP9,AV1 (GeForce GTX 1660 SUPER) vs H.264,H.265/HEVC (Radeon RX 6600S).
| Feature | GeForce GTX 1660 SUPER | Radeon RX 6600S |
|---|---|---|
| Encoder | NVENC (Turing) | VCN 3.0 |
| Decoder | NVDEC (Turing) | VCN 3.0 |
| Codecs | H.264,H.265,VP9,AV1 | H.264,H.265/HEVC |
Power & Dimensions
The GeForce GTX 1660 SUPER draws 125W versus the Radeon RX 6600S's 80W — a 43.9% difference. The Radeon RX 6600S is more power-efficient. Recommended PSU: 450W (GeForce GTX 1660 SUPER) vs 500W (Radeon RX 6600S). Power connectors: 8-pin vs Mobile. Card length: 229mm vs 1mm, occupying 2 vs 0 slots.
| Feature | GeForce GTX 1660 SUPER | Radeon RX 6600S |
|---|---|---|
| TDP | 125W | 80W-36% |
| Recommended PSU | 450W-10% | 500W |
| Power Connector | 8-pin | Mobile |
| Length | 229mm | 1mm |
| Height | 111mm | — |
| Slots | 2 | 0-100% |
| Temp (Load) | 75 | — |
| Perf/Watt | 101.5 | 162.7+60% |
Value Analysis
The GeForce GTX 1660 SUPER launched at $229 MSRP and currently averages $110, while the Radeon RX 6600S launched at $400 and now averages $400. The GeForce GTX 1660 SUPER costs 72.5% less ($290 savings) at current market prices. Performance per dollar (G3D Mark / price): 115.4 (GeForce GTX 1660 SUPER) vs 32.5 (Radeon RX 6600S) — the GeForce GTX 1660 SUPER offers 255.1% better value. The Radeon RX 6600S is the newer GPU (2022 vs 2019).
| Feature | GeForce GTX 1660 SUPER | Radeon RX 6600S |
|---|---|---|
| MSRP | $229-43% | $400 |
| Avg Price (30d) | $110-73% | $400 |
| Performance per Dollar | 115.4+255% | 32.5 |
| Codename | TU116 | Navi 23 |
| Release | October 29 2019 | January 4 2022 |
| Ranking | #207 | #200 |
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The most powerful gpus ranked by G3D Mark benchmark scores.
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