CPU
GPU
Radeon RX 6600S
Popular choices:
GeForce GTX 1660 Ti
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 Radeon RX 6600S
Performance Per Dollar
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 | Radeon RX 6600S | GeForce GTX 1660 Ti |
|---|---|---|
| Performance | ✅Leading raw performance (+2.1%) | ❌Lower raw frame rates (-2.1%) |
| Longevity | 🔮Strong Longevity (RDNA 2.0 (2020−2025) / 7nm) | Turing (2018−2022) (12nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | 🎮 High Capacity (4 GB) | 🎮 High Capacity (6 GB) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| 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 | Radeon RX 6600S | GeForce GTX 1660 Ti |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+360.9%) |
| Upfront Cost | ⚠️Higher upfront cost ($400) | ✅More affordable ($85) |
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 Radeon RX 6600S and GeForce GTX 1660 Ti
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.
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.
Graphics Performance
The Radeon RX 6600S scores 13,016 and the GeForce GTX 1660 Ti reaches 12,747 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The Radeon RX 6600S is built on RDNA 2.0 while the GeForce GTX 1660 Ti uses Turing, both on 7 nm vs 12 nm. Shader units: 1,792 (Radeon RX 6600S) vs 1,536 (GeForce GTX 1660 Ti). Raw compute: 7.168 TFLOPS (Radeon RX 6600S) vs 5.437 TFLOPS (GeForce GTX 1660 Ti). Boost clocks: 2000 MHz vs 1770 MHz.
| Feature | Radeon RX 6600S | GeForce GTX 1660 Ti |
|---|---|---|
| G3D Mark Score | 13,016+2% | 12,747 |
| Architecture | RDNA 2.0 | Turing |
| Process Node | 7 nm | 12 nm |
| Shading Units | 1792+17% | 1536 |
| Compute (TFLOPS) | 7.168 TFLOPS+32% | 5.437 TFLOPS |
| Boost Clock | 2000 MHz+13% | 1770 MHz |
| ROPs | 64+33% | 48 |
| TMUs | 112+17% | 96 |
| L1 Cache | 0.5 MB | 1.5 MB+200% |
| L2 Cache | 2 MB+33% | 1.5 MB |
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 | Radeon RX 6600S | GeForce GTX 1660 Ti |
|---|---|---|
| Upscaling Tech | FSR 3 (Native) | FSR 2.1 (Compatible) |
| Frame Generation | FSR 3 / AFMF (Driver) | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Radeon RX 6600S comes with 4 GB of VRAM, while the GeForce GTX 1660 Ti has 6 GB. The GeForce GTX 1660 Ti offers 50% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 224 GB/s (Radeon RX 6600S) vs 288 GB/s (GeForce GTX 1660 Ti) — a 28.6% advantage for the GeForce GTX 1660 Ti. Bus width: 128-bit vs 192-bit. L2 Cache: 2 MB (Radeon RX 6600S) vs 1.5 MB (GeForce GTX 1660 Ti) — the Radeon RX 6600S has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 6600S | GeForce GTX 1660 Ti |
|---|---|---|
| VRAM Capacity | 4 GB | 6 GB+50% |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 224 GB/s | 288 GB/s+29% |
| Bus Width | 128-bit | 192-bit+50% |
| L2 Cache | 2 MB+33% | 1.5 MB |
Display & API Support
DirectX support: 12_2 (Radeon RX 6600S) vs 12 (GeForce GTX 1660 Ti). Vulkan: 1.4 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 0 vs 4.
| Feature | Radeon RX 6600S | GeForce GTX 1660 Ti |
|---|---|---|
| DirectX | 12_2 | 12 |
| Vulkan | 1.4 | 1.4 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 0 | 4 |
Media & Encoding
Hardware encoder: VCN 3.0 (Radeon RX 6600S) vs NVENC 7th gen (GeForce GTX 1660 Ti). Decoder: VCN 3.0 vs NVDEC 4th gen. Supported codecs: H.264,H.265/HEVC (Radeon RX 6600S) vs H.264,H.265/HEVC,VP8,VP9 (GeForce GTX 1660 Ti).
| Feature | Radeon RX 6600S | GeForce GTX 1660 Ti |
|---|---|---|
| Encoder | VCN 3.0 | NVENC 7th gen |
| Decoder | VCN 3.0 | NVDEC 4th gen |
| Codecs | H.264,H.265/HEVC | H.264,H.265/HEVC,VP8,VP9 |
Power & Dimensions
The Radeon RX 6600S draws 80W versus the GeForce GTX 1660 Ti's 120W — a 40% difference. The Radeon RX 6600S is more power-efficient. Recommended PSU: 500W (Radeon RX 6600S) vs 450W (GeForce GTX 1660 Ti). Power connectors: Mobile vs 8-pin. Card length: 1mm vs 229mm, occupying 0 vs 2 slots.
| Feature | Radeon RX 6600S | GeForce GTX 1660 Ti |
|---|---|---|
| TDP | 80W-33% | 120W |
| Recommended PSU | 500W | 450W-10% |
| Power Connector | Mobile | 8-pin |
| Length | 1mm | 229mm |
| Height | — | 111mm |
| Slots | 0-100% | 2 |
| Temp (Load) | — | 75°C |
| Perf/Watt | 162.7+53% | 106.2 |
Value Analysis
The Radeon RX 6600S launched at $400 MSRP and currently averages $400, while the GeForce GTX 1660 Ti launched at $279 and now averages $85. The GeForce GTX 1660 Ti costs 78.8% less ($315 savings) at current market prices. Performance per dollar (G3D Mark / price): 32.5 (Radeon RX 6600S) vs 150.0 (GeForce GTX 1660 Ti) — the GeForce GTX 1660 Ti offers 361.5% better value. The Radeon RX 6600S is the newer GPU (2022 vs 2019).
| Feature | Radeon RX 6600S | GeForce GTX 1660 Ti |
|---|---|---|
| MSRP | $400 | $279-30% |
| Avg Price (30d) | $400 | $85-79% |
| Performance per Dollar | 32.5 | 150.0+362% |
| Codename | Navi 23 | TU116 |
| Release | January 4 2022 | February 22 2019 |
| Ranking | #200 | #204 |
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