
GeForce GTX 1660 Ti

Radeon RX Vega 56
GeForce GTX 1660 Ti vs Radeon RX Vega 56 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 RX Vega 56 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 RX Vega 56: 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 $120 less on MSRP ($279 MSRP vs $399 MSRP).
- ✅Delivers 39.9% more G3D Mark for each dollar spent, at 45.7 vs 32.6 G3D/$ ($279 MSRP vs $399 MSRP).
- ✅Better long-term bet: Turing (2018−2022) on 12nm gives it a newer hardware base for upcoming games.
- ✅Draws 120W instead of 210W, a 90W reduction.
- ✅Measures 229mm instead of 280mm, a 51mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Lower average FPS than Radeon RX Vega 56 across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 6 GB vs 8 GB for high-resolution textures and newer games.
Radeon RX Vega 56
2017Why buy it
- ✅10.9% 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).
Trade-offs
- ❌2017 hardware with 8 GB of VRAM already sits in legacy territory for modern games.
- ❌43% HIGHER MSRP$399 MSRPvs$279 MSRP
- ❌Lower G3D Mark per dollar, at 32.6 vs 45.7 G3D/$ ($399 MSRP vs $279 MSRP).
- ❌75% higher power demand at 210W vs 120W.
- ❌22.3% longer card at 280mm vs 229mm.
Quick Answers
Which GPU is faster for gaming right now?
Which GPU is the safer long-term pick for 2026 and beyond?
Which GPU is the better buy today?
GeForce GTX 1660 Ti vs Radeon RX Vega 56 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 RX Vega 56
The Radeon RX Vega 56 is manufactured by AMD. It was released in August 14 2017. It features the GCN 5.0 architecture. The core clock ranges from 1156 MHz to 1471 MHz. It has 3584 shading units. The thermal design power (TDP) is 210W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 13,026 points. Launch price was $399.
Graphics Performance
The GeForce GTX 1660 Ti scores 12,747 and the Radeon RX Vega 56 reaches 13,026 in the G3D Mark benchmark — just a 2.2% difference, making them near-identical in rasterization performance. The GeForce GTX 1660 Ti is built on Turing while the Radeon RX Vega 56 uses GCN 5.0, both on 12 nm vs 14 nm. Shader units: 1,536 (GeForce GTX 1660 Ti) vs 3,584 (Radeon RX Vega 56). Raw compute: 5.437 TFLOPS (GeForce GTX 1660 Ti) vs 10.54 TFLOPS (Radeon RX Vega 56). Boost clocks: 1770 MHz vs 1471 MHz.
| Feature | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| G3D Mark Score | 12,747 | 13,026+2% |
| Architecture | Turing | GCN 5.0 |
| Process Node | 12 nm | 14 nm |
| Shading Units | 1536 | 3584+133% |
| Compute (TFLOPS) | 5.437 TFLOPS | 10.54 TFLOPS+94% |
| Boost Clock | 1770 MHz+20% | 1471 MHz |
| ROPs | 48 | 64+33% |
| TMUs | 96 | 224+133% |
| L1 Cache | 1.5 MB+70% | 0.88 MB |
| L2 Cache | 1.5 MB | 4 MB+167% |
Advanced Features (DLSS/FSR)
The GeForce GTX 1660 Ti gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX Vega 56 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| 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 RX Vega 56 carries 8 GB. Radeon RX Vega 56 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 410 GB/s (Radeon RX Vega 56) — a 42.4% advantage for the Radeon RX Vega 56. Memory bus width is 192-bit on the GeForce GTX 1660 Ti and 2048-bit on the Radeon RX Vega 56. L2 Cache: 1.5 MB (GeForce GTX 1660 Ti) vs 4 MB (Radeon RX Vega 56) — the Radeon RX Vega 56 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| VRAM Capacity | 6 GB | 8 GB+33% |
| Memory Type | GDDR6 | HBM2 |
| Memory Bandwidth | 288 GB/s | 410 GB/s+42% |
| Bus Width | 192-bit | 2048-bit+967% |
| L2 Cache | 1.5 MB | 4 MB+167% |
Display & API Support
DirectX support: 12 (GeForce GTX 1660 Ti) vs 12 (12_1) (Radeon RX Vega 56). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| DirectX | 12 | 12 (12_1) |
| 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 VCE 4.0 (Radeon RX Vega 56). Decoder: NVDEC 4th gen vs UVD 7.0. Supported codecs: H.264,H.265/HEVC,VP8,VP9 (GeForce GTX 1660 Ti) vs H.264,H.265,VP9 (Radeon RX Vega 56).
| Feature | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| Encoder | NVENC 7th gen | VCE 4.0 |
| Decoder | NVDEC 4th gen | UVD 7.0 |
| Codecs | H.264,H.265/HEVC,VP8,VP9 | H.264,H.265,VP9 |
Power & Dimensions
The GeForce GTX 1660 Ti draws 120W versus the Radeon RX Vega 56's 210W — a 54.5% difference. The GeForce GTX 1660 Ti is more power-efficient. Recommended PSU: 450W (GeForce GTX 1660 Ti) vs 650W (Radeon RX Vega 56). Power connectors: 8-pin vs 2x 8-pin. Card length: 229mm vs 280mm, occupying 2 vs 2 slots. Typical load temperature: 75°C vs 75.
| Feature | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| TDP | 120W-43% | 210W |
| Recommended PSU | 450W-31% | 650W |
| Power Connector | 8-pin | 2x 8-pin |
| Length | 229mm | 280mm |
| Height | 111mm | 111mm |
| Slots | 2 | 2 |
| Temp (Load) | 75°C | 75 |
| Perf/Watt | 106.2+71% | 62.0 |
Value Analysis
At launch, the GeForce GTX 1660 Ti came in at $279, while the Radeon RX Vega 56 launched at $399. On MSRP, GeForce GTX 1660 Ti was 30.1% cheaper ($120 less). Performance per dollar on MSRP (G3D Mark / MSRP): 45.7 (GeForce GTX 1660 Ti) vs 32.6 (Radeon RX Vega 56) — the GeForce GTX 1660 Ti offers 40.2% better value. The newer card here is GeForce GTX 1660 Ti (2019 vs 2017).
| Feature | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| MSRP | $279-30% | $399 |
| Performance per Dollar | 45.7+40% | 32.6 |
| Codename | TU116 | Vega 10 |
| Release | February 22 2019 | August 14 2017 |
| Ranking | #204 | #199 |
Affiliate Disclosure
ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.
Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.














