GeForce GTX 660 vs Radeon Ryzen 7 6800U
GeForce GTX 660
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Radeon Ryzen 7 6800U
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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 Radeon Ryzen 7 6800U
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 | GeForce GTX 660 | Radeon Ryzen 7 6800U |
|---|---|---|
| Performance | ❌Lower raw frame rates (-4.6%) | ✅Leading raw performance (+4.6%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | RDNA 2.0 (2020−2025) (7nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+50%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| 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 | GeForce GTX 660 | Radeon Ryzen 7 6800U |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+2768.6%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($15) | ⚠️Higher upfront cost ($450) |
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 660 and Radeon Ryzen 7 6800U
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.
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.
Graphics Performance
The GeForce GTX 660 scores 4,040 and the Radeon Ryzen 7 6800U reaches 4,225 in the G3D Mark benchmark — just a 4.6% difference, making them near-identical in rasterization performance. The GeForce GTX 660 is built on Kepler while the Radeon Ryzen 7 6800U uses RDNA 2.0, both on 28 nm vs 7 nm. Shader units: 960 (GeForce GTX 660) vs 3,840 (Radeon Ryzen 7 6800U). Raw compute: 1.981 TFLOPS (GeForce GTX 660) vs 16.17 TFLOPS (Radeon Ryzen 7 6800U). Boost clocks: 1033 MHz vs 2105 MHz.
| Feature | GeForce GTX 660 | Radeon Ryzen 7 6800U |
|---|---|---|
| G3D Mark Score | 4,040 | 4,225+5% |
| Architecture | Kepler | RDNA 2.0 |
| Process Node | 28 nm | 7 nm |
| Shading Units | 960 | 3840+300% |
| Compute (TFLOPS) | 1.981 TFLOPS | 16.17 TFLOPS+716% |
| Boost Clock | 1033 MHz | 2105 MHz+104% |
| ROPs | 24 | 96+300% |
| TMUs | 80 | 240+200% |
| L1 Cache | 80 KB | 768 KB+860% |
| L2 Cache | 0.38 MB | 4 MB+953% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 660 | Radeon Ryzen 7 6800U |
|---|---|---|
| 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 660 comes with 3 GB of VRAM, while the Radeon Ryzen 7 6800U has 2 GB. The GeForce GTX 660 offers 50% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 192-bit vs System. L2 Cache: 0.38 MB (GeForce GTX 660) vs 4 MB (Radeon Ryzen 7 6800U) — the Radeon Ryzen 7 6800U has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GTX 660 | Radeon Ryzen 7 6800U |
|---|---|---|
| VRAM Capacity | 3 GB+50% | 2 GB |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | 144.2 GB/s | System |
| Bus Width | 192-bit | System |
| L2 Cache | 0.38 MB | 4 MB+953% |
Power & Dimensions
The GeForce GTX 660 draws 140W versus the Radeon Ryzen 7 6800U's 250W — a 56.4% difference. The GeForce GTX 660 is more power-efficient. Recommended PSU: 450W (GeForce GTX 660) vs 350W (Radeon Ryzen 7 6800U). Power connectors: 1x 6-pin vs None.
| Feature | GeForce GTX 660 | Radeon Ryzen 7 6800U |
|---|---|---|
| TDP | 140W-44% | 250W |
| Recommended PSU | 450W | 350W-22% |
| Power Connector | 1x 6-pin | None |
| Length | 241mm | — |
| Slots | 2 | — |
| Perf/Watt | 28.9+71% | 16.9 |
Value Analysis
The GeForce GTX 660 launched at $229 MSRP and currently averages $15, while the Radeon Ryzen 7 6800U launched at $450 and now averages $450. The GeForce GTX 660 costs 96.7% less ($435 savings) at current market prices. Performance per dollar (G3D Mark / price): 269.3 (GeForce GTX 660) vs 9.4 (Radeon Ryzen 7 6800U) — the GeForce GTX 660 offers 2764.9% better value. The Radeon Ryzen 7 6800U is the newer GPU (2020 vs 2012).
| Feature | GeForce GTX 660 | Radeon Ryzen 7 6800U |
|---|---|---|
| MSRP | $229-49% | $450 |
| Avg Price (30d) | $15-97% | $450 |
| Performance per Dollar | 269.3+2765% | 9.4 |
| Codename | GK106 | Navi 21 |
| Release | September 6 2012 | October 28 2020 |
| Ranking | #490 | #65 |
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