GeForce GTX 1660 SUPER
Radeon RX 6600S
GeForce GTX 1660 SUPER vs Radeon RX 6600S Performance Spectrum
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.
GeForce GTX 1660 SUPER vs Radeon RX 6600S FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
GeForce GTX 1660 SUPER vs Radeon RX 6600S: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GeForce GTX 1660 SUPER
2019Why buy it
- ✅7.0% more average FPS across 50 tracked games in our benchmark data.
- ✅Costs $171 less on MSRP ($229 MSRP vs $400 MSRP).
- ✅Delivers 70.3% more G3D Mark for each dollar spent, at 55.4 vs 32.5 G3D/$ ($229 MSRP vs $400 MSRP).
- ✅50% more VRAM for high-resolution textures and newer games (6 GB vs 4 GB).
Trade-offs
- ❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
- ❌Radeon RX 6600S is the safer long-term pick here because the hardware is newer and the feature stack is stronger.
- ❌56.3% higher power demand at 125W vs 80W.
- ❌22800% longer card at 229mm vs 1mm.
Radeon RX 6600S
2022Why buy it
- ✅Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
- ✅Better long-term bet: RDNA 2.0 (2020−2025) on 7nm gives it a newer hardware base for upcoming games.
- ✅Draws 80W instead of 125W, a 45W reduction.
- ✅Measures 1mm instead of 229mm, a 228mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Lower average FPS than GeForce GTX 1660 SUPER across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 4 GB vs 6 GB for high-resolution textures and newer games.
- ❌74.7% HIGHER MSRP$400 MSRPvs$229 MSRP
- ❌Lower G3D Mark per dollar, at 32.5 vs 55.4 G3D/$ ($400 MSRP vs $229 MSRP).
Quick Answers
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GeForce GTX 1660 SUPER vs Radeon RX 6600S Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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)
The clearest feature edge for the Radeon RX 6600S is support for FSR Frame Generation + AFMF. In games that support it, that can smooth out motion and lift perceived FPS. The GeForce GTX 1660 SUPER does not have comparable native support in the same tier.The GeForce GTX 1660 SUPER gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX 6600S leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GTX 1660 SUPER | Radeon RX 6600S |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR 3 |
| Frame Generation | Not Supported | FSR Frame Generation + AFMF |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GTX 1660 SUPER has 6 GB of VRAM, while the Radeon RX 6600S carries 4 GB. GeForce GTX 1660 SUPER gives you 50% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. 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. Memory bus width is 192-bit on the GeForce GTX 1660 SUPER and 128-bit on the Radeon RX 6600S. 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
At launch, the GeForce GTX 1660 SUPER came in at $229, while the Radeon RX 6600S launched at $400. On MSRP, GeForce GTX 1660 SUPER was 42.8% cheaper ($171 less). Performance per dollar on MSRP (G3D Mark / MSRP): 55.4 (GeForce GTX 1660 SUPER) vs 32.5 (Radeon RX 6600S) — the GeForce GTX 1660 SUPER offers 70.5% better value. The newer card here is Radeon RX 6600S (2022 vs 2019).
| Feature | GeForce GTX 1660 SUPER | Radeon RX 6600S |
|---|---|---|
| MSRP | $229-43% | $400 |
| Performance per Dollar | 55.4+70% | 32.5 |
| Codename | TU116 | Navi 23 |
| Release | October 29 2019 | January 4 2022 |
| Ranking | #207 | #200 |
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