
GeForce GTX 1660 Ti vs Radeon RX Vega 56

GeForce GTX 1660 Ti
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Radeon RX Vega 56
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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
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce GTX 1660 Ti uses modern memory architecture. The GeForce GTX 1660 Ti likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon RX Vega 56 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon RX Vega 56 is the superior choice for raw performance. It leads with a 2.2% higher G3D Mark score and 33.3% more VRAM (8 GB vs 6 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GTX 1660 Ti.
| Insight | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.2%) | ✅Leading raw performance (+2.2%) |
| Longevity | Turing (2018−2022) (12nm) | 🛑Obsolete Architecture (2017 / GCN 5.0 (2017−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | 🎮 High Capacity (6 GB) | ✅ More VRAM (+33.3%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | Standard Size (280mm) |
💎 Value Proposition
The Radeon RX Vega 56 offers a compelling cost-to-performance ratio. Priced at $75 versus $85 for the GeForce GTX 1660 Ti, it costs 12% less. While it maintains competitive performance, this results in a 15.8% higher cost efficiency score.
| Insight | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+15.8%) |
| Upfront Cost | ⚠️Higher upfront cost ($85) | ✅More affordable ($75) |
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 GeForce GTX 1660 Ti and Radeon RX Vega 56

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)
| Feature | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GTX 1660 Ti comes with 6 GB of VRAM, while the Radeon RX Vega 56 has 8 GB. The Radeon RX Vega 56 offers 33.3% more capacity, crucial for higher resolutions and texture-heavy games. 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. Bus width: 192-bit vs 2048-bit. 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
The GeForce GTX 1660 Ti launched at $279 MSRP and currently averages $85, while the Radeon RX Vega 56 launched at $399 and now averages $75. The Radeon RX Vega 56 costs 11.8% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 150.0 (GeForce GTX 1660 Ti) vs 173.7 (Radeon RX Vega 56) — the Radeon RX Vega 56 offers 15.8% better value. The GeForce GTX 1660 Ti is the newer GPU (2019 vs 2017).
| Feature | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| MSRP | $279-30% | $399 |
| Avg Price (30d) | $85 | $75-12% |
| Performance per Dollar | 150.0 | 173.7+16% |
| Codename | TU116 | Vega 10 |
| Release | February 22 2019 | August 14 2017 |
| Ranking | #204 | #199 |
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