
GeForce GTX 680MX vs Radeon RX 550X (móvel)

GeForce GTX 680MX
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Radeon RX 550X (móvel)
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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. The GeForce GTX 680MX is positioned at rank 79 and the Radeon RX 550X (móvel) is on rank 6, so the Radeon RX 550X (móvel) offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce GTX 680MX
Performance Per Dollar Radeon RX 550X (móvel)
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon RX 550X (móvel) is significantly newer (2018 vs 2012). The Radeon RX 550X (móvel) likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GTX 680MX lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon RX 550X (móvel) is the superior choice for raw performance. It leads with a 0% higher G3D Mark score. However, the GeForce GTX 680MX offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce GTX 680MX | Radeon RX 550X (móvel) |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0%) | ✅Leading raw performance (+0%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2018 / GCN 4.0 (2016−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon RX 550X (móvel) remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 680MX and Radeon RX 550X (móvel)

GeForce GTX 680MX
The GeForce GTX 680MX is manufactured by NVIDIA. It was released in October 23 2012. It features the Kepler architecture. The core clock speed is 720 MHz. It has 1536 shading units. The thermal design power (TDP) is 122W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,799 points.

Radeon RX 550X (móvel)
The Radeon RX 550X (móvel) is manufactured by AMD. It was released in April 11 2018. It features the GCN 4.0 architecture. The core clock ranges from 1100 MHz to 1287 MHz. It has 640 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 3,800 points.
Graphics Performance
The GeForce GTX 680MX scores 3,799 and the Radeon RX 550X (móvel) reaches 3,800 in the G3D Mark benchmark — just a 0% difference, making them near-identical in rasterization performance. The GeForce GTX 680MX is built on Kepler while the Radeon RX 550X (móvel) uses GCN 4.0, both on 28 nm vs 14 nm. Shader units: 1,536 (GeForce GTX 680MX) vs 640 (Radeon RX 550X (móvel)).
| Feature | GeForce GTX 680MX | Radeon RX 550X (móvel) |
|---|---|---|
| G3D Mark Score | 3,799 | 3,800 |
| Architecture | Kepler | GCN 4.0 |
| Process Node | 28 nm | 14 nm |
| Shading Units | 1536+140% | 640 |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 680MX | Radeon RX 550X (móvel) |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 2.1 |
| Frame Generation | FSR 3 (Compatible) | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GTX 680MX comes with 4 GB of VRAM, while the Radeon RX 550X (móvel) has 2 GB. The GeForce GTX 680MX offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 256-bit vs 256-bit.
| Feature | GeForce GTX 680MX | Radeon RX 550X (móvel) |
|---|---|---|
| VRAM Capacity | 4 GB+100% | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | 160 GB/s | Unknown |
| Bus Width | 256-bit | 256-bit |
Power & Dimensions
The GeForce GTX 680MX draws 122W versus the Radeon RX 550X (móvel)'s 50W — a 83.7% difference. The Radeon RX 550X (móvel) is more power-efficient. Recommended PSU: 350W (GeForce GTX 680MX) vs 350W (Radeon RX 550X (móvel)). Power connectors: 1x 6-pin vs PCIe-powered.
| Feature | GeForce GTX 680MX | Radeon RX 550X (móvel) |
|---|---|---|
| TDP | 122W | 50W-59% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | PCIe-powered |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | — |
| Temp (Load) | 80 | — |
| Perf/Watt | 31.1 | 76.0+144% |
Value Analysis
The Radeon RX 550X (móvel) is the newer GPU (2018 vs 2012).
| Feature | GeForce GTX 680MX | Radeon RX 550X (móvel) |
|---|---|---|
| MSRP | — | $35 |
| Avg Price (30d) | — | $35 |
| Codename | — | Polaris 23 |
| Release | October 23 2012 | April 11 2018 |
| Ranking | #520 | #648 |
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