Radeon Ryzen 7 6800U vs GeForce GTX 660
Radeon Ryzen 7 6800U
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GeForce GTX 660
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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 Radeon Ryzen 7 6800U
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon Ryzen 7 6800U is significantly newer (2020 vs 2012). The Radeon Ryzen 7 6800U likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GTX 660 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon Ryzen 7 6800U is the superior choice for raw performance. It leads with a 4.6% higher G3D Mark score. However, the GeForce GTX 660 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon Ryzen 7 6800U | GeForce GTX 660 |
|---|---|---|
| Performance | ✅Leading raw performance (+4.6%) | ❌Lower raw frame rates (-4.6%) |
| Longevity | RDNA 2.0 (2020−2025) (7nm) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+50%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce GTX 660 offers a compelling cost-to-performance ratio. Priced at $15 versus $450 for the Radeon Ryzen 7 6800U, it costs 97% less. While it maintains competitive performance, this results in a 2768.6% higher cost efficiency score.
| Insight | Radeon Ryzen 7 6800U | GeForce GTX 660 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+2768.6%) |
| Upfront Cost | ⚠️Higher upfront cost ($450) | ✅More affordable ($15) |
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 Radeon Ryzen 7 6800U and GeForce GTX 660
Radeon Ryzen 7 6800U
The Radeon Ryzen 7 6800U is manufactured by AMD. It was released in October 28 2020. It features the RDNA 2.0 architecture. The core clock ranges from 1700 MHz to 2105 MHz. It has 3840 shading units. The thermal design power (TDP) is 250W. Manufactured using 7 nm process technology. It features 60 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 4,225 points. Launch price was $579.
GeForce GTX 660
The GeForce GTX 660 is manufactured by NVIDIA. It was released in September 6 2012. It features the Kepler architecture. The core clock ranges from 980 MHz to 1033 MHz. It has 960 shading units. The thermal design power (TDP) is 140W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,040 points. Launch price was $229.
Graphics Performance
The Radeon Ryzen 7 6800U scores 4,225 and the GeForce GTX 660 reaches 4,040 in the G3D Mark benchmark — just a 4.6% difference, making them near-identical in rasterization performance. The Radeon Ryzen 7 6800U is built on RDNA 2.0 while the GeForce GTX 660 uses Kepler, both on 7 nm vs 28 nm. Shader units: 3,840 (Radeon Ryzen 7 6800U) vs 960 (GeForce GTX 660). Raw compute: 16.17 TFLOPS (Radeon Ryzen 7 6800U) vs 1.981 TFLOPS (GeForce GTX 660). Boost clocks: 2105 MHz vs 1033 MHz.
| Feature | Radeon Ryzen 7 6800U | GeForce GTX 660 |
|---|---|---|
| G3D Mark Score | 4,225+5% | 4,040 |
| Architecture | RDNA 2.0 | Kepler |
| Process Node | 7 nm | 28 nm |
| Shading Units | 3840+300% | 960 |
| Compute (TFLOPS) | 16.17 TFLOPS+716% | 1.981 TFLOPS |
| Boost Clock | 2105 MHz+104% | 1033 MHz |
| ROPs | 96+300% | 24 |
| TMUs | 240+200% | 80 |
| L1 Cache | 768 KB+860% | 80 KB |
| L2 Cache | 4 MB+953% | 0.38 MB |
Advanced Features (DLSS/FSR)
| Feature | Radeon Ryzen 7 6800U | GeForce GTX 660 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 2.1 (Compatible) |
| Frame Generation | Not Supported | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Radeon Ryzen 7 6800U comes with 2 GB of VRAM, while the GeForce GTX 660 has 3 GB. The GeForce GTX 660 offers 50% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 192-bit. L2 Cache: 4 MB (Radeon Ryzen 7 6800U) vs 0.38 MB (GeForce GTX 660) — the Radeon Ryzen 7 6800U has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon Ryzen 7 6800U | GeForce GTX 660 |
|---|---|---|
| VRAM Capacity | 2 GB | 3 GB+50% |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | 144.2 GB/s |
| Bus Width | System | 192-bit |
| L2 Cache | 4 MB+953% | 0.38 MB |
Power & Dimensions
The Radeon Ryzen 7 6800U draws 250W versus the GeForce GTX 660's 140W — a 56.4% difference. The GeForce GTX 660 is more power-efficient. Recommended PSU: 350W (Radeon Ryzen 7 6800U) vs 450W (GeForce GTX 660). Power connectors: None vs 1x 6-pin.
| Feature | Radeon Ryzen 7 6800U | GeForce GTX 660 |
|---|---|---|
| TDP | 250W | 140W-44% |
| Recommended PSU | 350W-22% | 450W |
| Power Connector | None | 1x 6-pin |
| Length | — | 241mm |
| Slots | — | 2 |
| Perf/Watt | 16.9 | 28.9+71% |
Value Analysis
The Radeon Ryzen 7 6800U launched at $450 MSRP and currently averages $450, while the GeForce GTX 660 launched at $229 and now averages $15. The GeForce GTX 660 costs 96.7% less ($435 savings) at current market prices. Performance per dollar (G3D Mark / price): 9.4 (Radeon Ryzen 7 6800U) vs 269.3 (GeForce GTX 660) — the GeForce GTX 660 offers 2764.9% better value. The Radeon Ryzen 7 6800U is the newer GPU (2020 vs 2012).
| Feature | Radeon Ryzen 7 6800U | GeForce GTX 660 |
|---|---|---|
| MSRP | $450 | $229-49% |
| Avg Price (30d) | $450 | $15-97% |
| Performance per Dollar | 9.4 | 269.3+2765% |
| Codename | Navi 21 | GK106 |
| Release | October 28 2020 | September 6 2012 |
| Ranking | #65 | #490 |
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