GeForce GTX 1660 Ti
Radeon PRO W6600X
GeForce GTX 1660 Ti vs Radeon PRO W6600X 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 Ti vs Radeon PRO W6600X 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 Ti vs Radeon PRO W6600X: 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 Ti
2019Why buy it
- ✅Costs $420 less on MSRP ($279 MSRP vs $699 MSRP).
- ✅Delivers 143.5% more G3D Mark for each dollar spent, at 45.7 vs 18.8 G3D/$ ($279 MSRP vs $699 MSRP).
- ✅Measures 229mm instead of 241mm, a 12mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Lower average FPS than Radeon PRO W6600X across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 6 GB vs 8 GB for high-resolution textures and newer games.
- ❌Radeon PRO W6600X is the safer long-term pick here because the hardware is newer and the feature stack is stronger.
Radeon PRO W6600X
2021Why buy it
- ✅20.1% more average FPS across 50 tracked games in our benchmark data.
- ✅33.3% more VRAM for high-resolution textures and newer games (8 GB vs 6 GB).
- ✅Better long-term bet: RDNA 2.0 on 7nm gives it a newer hardware base for upcoming games.
Trade-offs
- ❌150.5% HIGHER MSRP$699 MSRPvs$279 MSRP
- ❌Lower G3D Mark per dollar, at 18.8 vs 45.7 G3D/$ ($699 MSRP vs $279 MSRP).
Quick Answers
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Which GPU is the safer long-term pick for 2026 and beyond?
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GeForce GTX 1660 Ti vs Radeon PRO W6600X Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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 PRO W6600X
The Radeon PRO W6600X is manufactured by AMD. It was released in August 3 2021. It features the RDNA 2.0 architecture. The core clock ranges from 2068 MHz to 2479 MHz. It has 2048 shading units. The thermal design power (TDP) is 120W. Manufactured using 7 nm process technology. It features 32 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,113 points. Launch price was $699.
Graphics Performance
The GeForce GTX 1660 Ti scores 12,747 and the Radeon PRO W6600X reaches 13,113 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The GeForce GTX 1660 Ti is built on Turing while the Radeon PRO W6600X uses RDNA 2.0, both on 12 nm vs 7 nm. Shader units: 1,536 (GeForce GTX 1660 Ti) vs 2,048 (Radeon PRO W6600X). Raw compute: 5.437 TFLOPS (GeForce GTX 1660 Ti) vs 10.15 TFLOPS (Radeon PRO W6600X). Boost clocks: 1770 MHz vs 2479 MHz.
| Feature | GeForce GTX 1660 Ti | Radeon PRO W6600X |
|---|---|---|
| G3D Mark Score | 12,747 | 13,113+3% |
| Architecture | Turing | RDNA 2.0 |
| Process Node | 12 nm | 7 nm |
| Shading Units | 1536 | 2048+33% |
| Compute (TFLOPS) | 5.437 TFLOPS | 10.15 TFLOPS+87% |
| Boost Clock | 1770 MHz | 2479 MHz+40% |
| ROPs | 48 | 64+33% |
| TMUs | 96 | 128+33% |
| L1 Cache | 1.5 MB+200% | 0.5 MB |
| L2 Cache | 1.5 MB | 2 MB+33% |
Advanced Features (DLSS/FSR)
The GeForce GTX 1660 Ti gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon PRO W6600X leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GTX 1660 Ti | Radeon PRO W6600X |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GTX 1660 Ti has 6 GB of VRAM, while the Radeon PRO W6600X carries 8 GB. Radeon PRO W6600X gives you 33.3% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 288 GB/s (GeForce GTX 1660 Ti) vs 224 GB/s (Radeon PRO W6600X) — a 28.6% advantage for the GeForce GTX 1660 Ti. Memory bus width is 192-bit on the GeForce GTX 1660 Ti and 256-bit on the Radeon PRO W6600X. L2 Cache: 1.5 MB (GeForce GTX 1660 Ti) vs 2 MB (Radeon PRO W6600X) — the Radeon PRO W6600X has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GTX 1660 Ti | Radeon PRO W6600X |
|---|---|---|
| VRAM Capacity | 6 GB | 8 GB+33% |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 288 GB/s+29% | 224 GB/s |
| Bus Width | 192-bit | 256-bit+33% |
| L2 Cache | 1.5 MB | 2 MB+33% |
Display & API Support
DirectX support: 12 (GeForce GTX 1660 Ti) vs 12.2 (Radeon PRO W6600X). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | GeForce GTX 1660 Ti | Radeon PRO W6600X |
|---|---|---|
| DirectX | 12 | 12.2+2% |
| Vulkan | 1.4+8% | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: NVENC 7th gen (GeForce GTX 1660 Ti) vs VCN 3.0 (Radeon PRO W6600X). Decoder: NVDEC 4th gen vs VCN 3.0. Supported codecs: H.264,H.265/HEVC,VP8,VP9 (GeForce GTX 1660 Ti) vs MPEG-2,H.264,HEVC,VP9,AV1 (Radeon PRO W6600X).
| Feature | GeForce GTX 1660 Ti | Radeon PRO W6600X |
|---|---|---|
| Encoder | NVENC 7th gen | VCN 3.0 |
| Decoder | NVDEC 4th gen | VCN 3.0 |
| Codecs | H.264,H.265/HEVC,VP8,VP9 | MPEG-2,H.264,HEVC,VP9,AV1 |
Power & Dimensions
The GeForce GTX 1660 Ti draws 120W versus the Radeon PRO W6600X's 120W — a 0% difference. The Radeon PRO W6600X is more power-efficient. Recommended PSU: 450W (GeForce GTX 1660 Ti) vs 500W (Radeon PRO W6600X). Power connectors: 8-pin vs PCIe-powered. Card length: 229mm vs 241mm, occupying 2 vs 2 slots. Typical load temperature: 75°C vs 75°C.
| Feature | GeForce GTX 1660 Ti | Radeon PRO W6600X |
|---|---|---|
| TDP | 120W | 120W |
| Recommended PSU | 450W-10% | 500W |
| Power Connector | 8-pin | PCIe-powered |
| Length | 229mm | 241mm |
| Height | 111mm | 111mm |
| Slots | 2 | 2 |
| Temp (Load) | 75°C | 75°C |
| Perf/Watt | 106.2 | 109.3+3% |
Value Analysis
At launch, the GeForce GTX 1660 Ti came in at $279, while the Radeon PRO W6600X launched at $699. On MSRP, GeForce GTX 1660 Ti was 60.1% cheaper ($420 less). Performance per dollar on MSRP (G3D Mark / MSRP): 45.7 (GeForce GTX 1660 Ti) vs 18.8 (Radeon PRO W6600X) — the GeForce GTX 1660 Ti offers 143.1% better value. The newer card here is Radeon PRO W6600X (2021 vs 2019).
| Feature | GeForce GTX 1660 Ti | Radeon PRO W6600X |
|---|---|---|
| MSRP | $279-60% | $699 |
| Performance per Dollar | 45.7+143% | 18.8 |
| Codename | TU116 | Navi 23 |
| Release | February 22 2019 | August 3 2021 |
| Ranking | #204 | #197 |
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