CPU
GPU
GeForce GTX 1660 Ti
Popular choices:
Radeon RX 6600S
Popular choices:
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 2.1% higher G3D Mark score. However, the GeForce GTX 1660 Ti offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce GTX 1660 Ti | Radeon RX 6600S |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.1%) | ✅Leading raw performance (+2.1%) |
| 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 Ti offers a compelling cost-to-performance ratio. Priced at $85 versus $400 for the Radeon RX 6600S, it costs 79% less. While it maintains competitive performance, this results in a 360.9% higher cost efficiency score.
| Insight | GeForce GTX 1660 Ti | Radeon RX 6600S |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+360.9%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($85) | ⚠️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 Ti and Radeon RX 6600S
GeForce GTX 1660 Ti
The GeForce GTX 1660 Ti is manufactured by NVIDIA. It was released in February 22 2019. It features the Turing architecture. The core clock ranges from 1500 MHz to 1770 MHz. It has 1536 shading units. The thermal design power (TDP) is 120W. Manufactured using 12 nm process technology. G3D Mark benchmark score: 12,747 points. Launch price was $279.
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 Ti scores 12,747 and the Radeon RX 6600S reaches 13,016 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The GeForce GTX 1660 Ti is built on Turing while the Radeon RX 6600S uses RDNA 2.0, both on 12 nm vs 7 nm. Shader units: 1,536 (GeForce GTX 1660 Ti) vs 1,792 (Radeon RX 6600S). Raw compute: 5.437 TFLOPS (GeForce GTX 1660 Ti) vs 7.168 TFLOPS (Radeon RX 6600S). Boost clocks: 1770 MHz vs 2000 MHz.
| Feature | GeForce GTX 1660 Ti | Radeon RX 6600S |
|---|---|---|
| G3D Mark Score | 12,747 | 13,016+2% |
| Architecture | Turing | RDNA 2.0 |
| Process Node | 12 nm | 7 nm |
| Shading Units | 1536 | 1792+17% |
| Compute (TFLOPS) | 5.437 TFLOPS | 7.168 TFLOPS+32% |
| Boost Clock | 1770 MHz | 2000 MHz+13% |
| ROPs | 48 | 64+33% |
| TMUs | 96 | 112+17% |
| L1 Cache | 1.5 MB+200% | 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 Ti lacks specific hardware/driver support for this native frame generation tier.
| Feature | GeForce GTX 1660 Ti | 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 Ti comes with 6 GB of VRAM, while the Radeon RX 6600S has 4 GB. The GeForce GTX 1660 Ti offers 50% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 288 GB/s (GeForce GTX 1660 Ti) vs 224 GB/s (Radeon RX 6600S) — a 28.6% advantage for the GeForce GTX 1660 Ti. Bus width: 192-bit vs 128-bit. L2 Cache: 1.5 MB (GeForce GTX 1660 Ti) vs 2 MB (Radeon RX 6600S) — the Radeon RX 6600S has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GTX 1660 Ti | Radeon RX 6600S |
|---|---|---|
| VRAM Capacity | 6 GB+50% | 4 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 288 GB/s+29% | 224 GB/s |
| Bus Width | 192-bit+50% | 128-bit |
| L2 Cache | 1.5 MB | 2 MB+33% |
Display & API Support
DirectX support: 12 (GeForce GTX 1660 Ti) vs 12_2 (Radeon RX 6600S). Vulkan: 1.4 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 0.
| Feature | GeForce GTX 1660 Ti | Radeon RX 6600S |
|---|---|---|
| DirectX | 12 | 12_2 |
| Vulkan | 1.4 | 1.4 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 0 |
Media & Encoding
Hardware encoder: NVENC 7th gen (GeForce GTX 1660 Ti) vs VCN 3.0 (Radeon RX 6600S). Decoder: NVDEC 4th gen vs VCN 3.0. Supported codecs: H.264,H.265/HEVC,VP8,VP9 (GeForce GTX 1660 Ti) vs H.264,H.265/HEVC (Radeon RX 6600S).
| Feature | GeForce GTX 1660 Ti | Radeon RX 6600S |
|---|---|---|
| Encoder | NVENC 7th gen | VCN 3.0 |
| Decoder | NVDEC 4th gen | VCN 3.0 |
| Codecs | H.264,H.265/HEVC,VP8,VP9 | H.264,H.265/HEVC |
Power & Dimensions
The GeForce GTX 1660 Ti draws 120W versus the Radeon RX 6600S's 80W — a 40% difference. The Radeon RX 6600S is more power-efficient. Recommended PSU: 450W (GeForce GTX 1660 Ti) 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 Ti | Radeon RX 6600S |
|---|---|---|
| TDP | 120W | 80W-33% |
| Recommended PSU | 450W-10% | 500W |
| Power Connector | 8-pin | Mobile |
| Length | 229mm | 1mm |
| Height | 111mm | — |
| Slots | 2 | 0-100% |
| Temp (Load) | 75°C | — |
| Perf/Watt | 106.2 | 162.7+53% |
Value Analysis
The GeForce GTX 1660 Ti launched at $279 MSRP and currently averages $85, while the Radeon RX 6600S launched at $400 and now averages $400. The GeForce GTX 1660 Ti costs 78.8% less ($315 savings) at current market prices. Performance per dollar (G3D Mark / price): 150.0 (GeForce GTX 1660 Ti) vs 32.5 (Radeon RX 6600S) — the GeForce GTX 1660 Ti offers 361.5% better value. The Radeon RX 6600S is the newer GPU (2022 vs 2019).
| Feature | GeForce GTX 1660 Ti | Radeon RX 6600S |
|---|---|---|
| MSRP | $279-30% | $400 |
| Avg Price (30d) | $85-79% | $400 |
| Performance per Dollar | 150.0+362% | 32.5 |
| Codename | TU116 | Navi 23 |
| Release | February 22 2019 | January 4 2022 |
| Ranking | #204 | #200 |
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