
GeForce GTX 1660

Radeon PRO W6600M
GeForce GTX 1660 vs Radeon PRO W6600M 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 vs Radeon PRO W6600M 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 vs Radeon PRO W6600M: 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
2019Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 53.1 vs 0 G3D/$ ($219 MSRP vs Unknown MSRP).
Trade-offs
- ❌Lower average FPS than Radeon PRO W6600M across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 6 GB vs 8 GB for high-resolution textures and newer games.
- ❌Older hardware, 6 GB of VRAM, and weaker feature support mean it will age faster in newer AAA releases.
- ❌33.3% higher power demand at 120W vs 90W.
Radeon PRO W6600M
2021Why buy it
- ✅13.4% more average FPS across 50 tracked games in our benchmark data.
- ✅33.3% more VRAM for high-resolution textures and newer games (8 GB vs 6 GB).
- ✅Better long-term bet: RDNA 2.0 (2020−2025) on 7nm gives it a newer hardware base for upcoming games.
- ✅Draws 90W instead of 120W, a 30W reduction.
Trade-offs
- ❌Lower G3D Mark per dollar, at 0 vs 53.1 G3D/$ (Unknown MSRP vs $219 MSRP).
Quick Answers
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GeForce GTX 1660 vs Radeon PRO W6600M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce GTX 1660
The GeForce GTX 1660 is manufactured by NVIDIA. It was released in March 14 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 120W. Manufactured using 12 nm process technology. G3D Mark benchmark score: 11,639 points. Launch price was $219.

Radeon PRO W6600M
The Radeon PRO W6600M is manufactured by AMD. It was released in June 8 2021. It features the RDNA 2.0 architecture. The core clock ranges from 1224 MHz to 2034 MHz. It has 1792 shading units. The thermal design power (TDP) is 90W. Manufactured using 7 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 11,407 points.
Graphics Performance
The GeForce GTX 1660 scores 11,639 and the Radeon PRO W6600M reaches 11,407 in the G3D Mark benchmark — just a 2% difference, making them near-identical in rasterization performance. The GeForce GTX 1660 is built on Turing while the Radeon PRO W6600M uses RDNA 2.0, both on 12 nm vs 7 nm. Shader units: 1,408 (GeForce GTX 1660) vs 1,792 (Radeon PRO W6600M). Raw compute: 5.027 TFLOPS (GeForce GTX 1660) vs 7.29 TFLOPS (Radeon PRO W6600M). Boost clocks: 1785 MHz vs 2034 MHz.
| Feature | GeForce GTX 1660 | Radeon PRO W6600M |
|---|---|---|
| G3D Mark Score | 11,639+2% | 11,407 |
| Architecture | Turing | RDNA 2.0 |
| Process Node | 12 nm | 7 nm |
| Shading Units | 1408 | 1792+27% |
| Compute (TFLOPS) | 5.027 TFLOPS | 7.29 TFLOPS+45% |
| Boost Clock | 1785 MHz | 2034 MHz+14% |
| 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 GeForce GTX 1660 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon PRO W6600M leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GTX 1660 | Radeon PRO W6600M |
|---|---|---|
| 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 has 6 GB of VRAM, while the Radeon PRO W6600M carries 8 GB. Radeon PRO W6600M gives you 33.3% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 192 GB/s (GeForce GTX 1660) vs 224 GB/s (Radeon PRO W6600M) — a 16.7% advantage for the Radeon PRO W6600M. Memory bus width is 192-bit on the GeForce GTX 1660 and 256-bit on the Radeon PRO W6600M. L2 Cache: 1.5 MB (GeForce GTX 1660) vs 2 MB (Radeon PRO W6600M) — the Radeon PRO W6600M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GTX 1660 | Radeon PRO W6600M |
|---|---|---|
| VRAM Capacity | 6 GB | 8 GB+33% |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bandwidth | 192 GB/s | 224 GB/s+17% |
| Bus Width | 192-bit | 256-bit+33% |
| L2 Cache | 1.5 MB | 2 MB+33% |
Display & API Support
DirectX support: 12.1 (GeForce GTX 1660) vs 12.2 (Radeon PRO W6600M). Vulkan: 1.3 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 5.
| Feature | GeForce GTX 1660 | Radeon PRO W6600M |
|---|---|---|
| DirectX | 12.1 | 12.2 |
| Vulkan | 1.3+8% | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 5+25% |
Media & Encoding
Hardware encoder: 7th Gen NVENC (GeForce GTX 1660) vs VCN 3.0 (Radeon PRO W6600M). Decoder: 5th Gen NVDEC vs VCN 3.0. Supported codecs: MPEG-2,H.264,HEVC,VP9 (GeForce GTX 1660) vs MPEG-2,H.264,HEVC,VP9,AV1 (Decode) (Radeon PRO W6600M).
| Feature | GeForce GTX 1660 | Radeon PRO W6600M |
|---|---|---|
| Encoder | 7th Gen NVENC | VCN 3.0 |
| Decoder | 5th Gen NVDEC | VCN 3.0 |
| Codecs | MPEG-2,H.264,HEVC,VP9 | MPEG-2,H.264,HEVC,VP9,AV1 (Decode) |
Power & Dimensions
The GeForce GTX 1660 draws 120W versus the Radeon PRO W6600M's 90W — a 28.6% difference. The Radeon PRO W6600M is more power-efficient. Recommended PSU: 450W (GeForce GTX 1660) vs 500W (Radeon PRO W6600M). Power connectors: 8-pin vs PCIe-powered. Card length: 229mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 75°C vs 80°C.
| Feature | GeForce GTX 1660 | Radeon PRO W6600M |
|---|---|---|
| TDP | 120W | 90W-25% |
| Recommended PSU | 450W-10% | 500W |
| Power Connector | 8-pin | PCIe-powered |
| Length | 229mm | 0mm |
| Height | 111mm | 0mm |
| Slots | 2 | 0-100% |
| Temp (Load) | 75°C-6% | 80°C |
| Perf/Watt | 97.0 | 126.7+31% |
Value Analysis
The newer card here is Radeon PRO W6600M (2021 vs 2019).
| Feature | GeForce GTX 1660 | Radeon PRO W6600M |
|---|---|---|
| MSRP | $219 | — |
| Codename | TU116 | Navi 23 |
| Release | March 14 2019 | June 8 2021 |
| Ranking | #231 | #240 |
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