Radeon RX 6600S vs GeForce GTX 1660 SUPER
Radeon RX 6600S
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GeForce GTX 1660 SUPER
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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 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 2.6% 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 | Radeon RX 6600S | GeForce GTX 1660 SUPER |
|---|---|---|
| Performance | ✅Leading raw performance (+2.6%) | ❌Lower raw frame rates (-2.6%) |
| 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 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 | Radeon RX 6600S | GeForce GTX 1660 SUPER |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+254.6%) |
| Upfront Cost | ⚠️Higher upfront cost ($400) | ✅More affordable ($110) |
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 SUPER
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 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.
Graphics Performance
The Radeon RX 6600S scores 13,016 and the GeForce GTX 1660 SUPER reaches 12,692 in the G3D Mark benchmark — just a 2.6% difference, making them near-identical in rasterization performance. The Radeon RX 6600S is built on RDNA 2.0 while the GeForce GTX 1660 SUPER uses Turing, both on 7 nm vs 12 nm. Shader units: 1,792 (Radeon RX 6600S) vs 1,408 (GeForce GTX 1660 SUPER). Raw compute: 7.168 TFLOPS (Radeon RX 6600S) vs 5.027 TFLOPS (GeForce GTX 1660 SUPER). Boost clocks: 2000 MHz vs 1785 MHz.
| Feature | Radeon RX 6600S | GeForce GTX 1660 SUPER |
|---|---|---|
| G3D Mark Score | 13,016+3% | 12,692 |
| Architecture | RDNA 2.0 | Turing |
| Process Node | 7 nm | 12 nm |
| Shading Units | 1792+27% | 1408 |
| Compute (TFLOPS) | 7.168 TFLOPS+43% | 5.027 TFLOPS |
| Boost Clock | 2000 MHz+12% | 1785 MHz |
| ROPs | 64+33% | 48 |
| TMUs | 112+27% | 88 |
| L1 Cache | 0.5 MB | 1.4 MB+180% |
| 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 SUPER lacks specific hardware/driver support for this native frame generation tier.
| Feature | Radeon RX 6600S | GeForce GTX 1660 SUPER |
|---|---|---|
| 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 SUPER has 6 GB. The GeForce GTX 1660 SUPER offers 50% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 224 GB/s (Radeon RX 6600S) vs 336 GB/s (GeForce GTX 1660 SUPER) — a 50% advantage for the GeForce GTX 1660 SUPER. Bus width: 128-bit vs 192-bit. L2 Cache: 2 MB (Radeon RX 6600S) vs 1.5 MB (GeForce GTX 1660 SUPER) — the Radeon RX 6600S has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 6600S | GeForce GTX 1660 SUPER |
|---|---|---|
| VRAM Capacity | 4 GB | 6 GB+50% |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 224 GB/s | 336 GB/s+50% |
| 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 (12_1) (GeForce GTX 1660 SUPER). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 0 vs 3.
| Feature | Radeon RX 6600S | GeForce GTX 1660 SUPER |
|---|---|---|
| DirectX | 12_2 | 12 (12_1) |
| Vulkan | 1.4+8% | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 0 | 3 |
Media & Encoding
Hardware encoder: VCN 3.0 (Radeon RX 6600S) vs NVENC (Turing) (GeForce GTX 1660 SUPER). Decoder: VCN 3.0 vs NVDEC (Turing). Supported codecs: H.264,H.265/HEVC (Radeon RX 6600S) vs H.264,H.265,VP9,AV1 (GeForce GTX 1660 SUPER).
| Feature | Radeon RX 6600S | GeForce GTX 1660 SUPER |
|---|---|---|
| Encoder | VCN 3.0 | NVENC (Turing) |
| Decoder | VCN 3.0 | NVDEC (Turing) |
| Codecs | H.264,H.265/HEVC | H.264,H.265,VP9,AV1 |
Power & Dimensions
The Radeon RX 6600S draws 80W versus the GeForce GTX 1660 SUPER's 125W — a 43.9% difference. The Radeon RX 6600S is more power-efficient. Recommended PSU: 500W (Radeon RX 6600S) vs 450W (GeForce GTX 1660 SUPER). Power connectors: Mobile vs 8-pin. Card length: 1mm vs 229mm, occupying 0 vs 2 slots.
| Feature | Radeon RX 6600S | GeForce GTX 1660 SUPER |
|---|---|---|
| TDP | 80W-36% | 125W |
| Recommended PSU | 500W | 450W-10% |
| Power Connector | Mobile | 8-pin |
| Length | 1mm | 229mm |
| Height | — | 111mm |
| Slots | 0-100% | 2 |
| Temp (Load) | — | 75 |
| Perf/Watt | 162.7+60% | 101.5 |
Value Analysis
The Radeon RX 6600S launched at $400 MSRP and currently averages $400, while the GeForce GTX 1660 SUPER launched at $229 and now averages $110. The GeForce GTX 1660 SUPER costs 72.5% less ($290 savings) at current market prices. Performance per dollar (G3D Mark / price): 32.5 (Radeon RX 6600S) vs 115.4 (GeForce GTX 1660 SUPER) — the GeForce GTX 1660 SUPER offers 255.1% better value. The Radeon RX 6600S is the newer GPU (2022 vs 2019).
| Feature | Radeon RX 6600S | GeForce GTX 1660 SUPER |
|---|---|---|
| MSRP | $400 | $229-43% |
| Avg Price (30d) | $400 | $110-73% |
| Performance per Dollar | 32.5 | 115.4+255% |
| Codename | Navi 23 | TU116 |
| Release | January 4 2022 | October 29 2019 |
| Ranking | #200 | #207 |
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