GeForce GTX 680MX vs GeForce MX450
GeForce GTX 680MX
Popular choices:
GeForce MX450
Popular choices:
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 GeForce MX450 is on rank 307, so the GeForce GTX 680MX 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 GeForce MX450
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce MX450 is significantly newer (2020 vs 2012). The GeForce MX450 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 GeForce GTX 680MX is the superior choice for raw performance. It leads with a 2.1% higher G3D Mark score and 100% more VRAM (4 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce MX450.
| Insight | GeForce GTX 680MX | GeForce MX450 |
|---|---|---|
| Performance | ✅Leading raw performance (+2.1%) | ❌Lower raw frame rates (-2.1%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | Turing (2018−2022) (12nm) |
| 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 GeForce GTX 680MX 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 GeForce MX450
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.
GeForce MX450
The GeForce MX450 is manufactured by NVIDIA. It was released in August 1 2020. It features the Turing architecture. The core clock ranges from 1395 MHz to 1575 MHz. It has 896 shading units. The thermal design power (TDP) is 25W. Manufactured using 12 nm process technology. G3D Mark benchmark score: 3,720 points.
Graphics Performance
The GeForce GTX 680MX scores 3,799 and the GeForce MX450 reaches 3,720 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The GeForce GTX 680MX is built on Kepler while the GeForce MX450 uses Turing, both on 28 nm vs 12 nm. Shader units: 1,536 (GeForce GTX 680MX) vs 896 (GeForce MX450).
| Feature | GeForce GTX 680MX | GeForce MX450 |
|---|---|---|
| G3D Mark Score | 3,799+2% | 3,720 |
| Architecture | Kepler | Turing |
| Process Node | 28 nm | 12 nm |
| Shading Units | 1536+71% | 896 |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 680MX | GeForce MX450 |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The GeForce GTX 680MX comes with 4 GB of VRAM, while the GeForce MX450 has 2 GB. The GeForce GTX 680MX offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 160 GB/s (GeForce GTX 680MX) vs 80 GB/s (GeForce MX450) — a 100% advantage for the GeForce GTX 680MX. Bus width: 256-bit vs 64-bit.
| Feature | GeForce GTX 680MX | GeForce MX450 |
|---|---|---|
| VRAM Capacity | 4 GB+100% | 2 GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bandwidth | 160 GB/s+100% | 80 GB/s |
| Bus Width | 256-bit+300% | 64-bit |
Power & Dimensions
The GeForce GTX 680MX draws 122W versus the GeForce MX450's 25W — a 132% difference. The GeForce MX450 is more power-efficient. Recommended PSU: 350W (GeForce GTX 680MX) vs 350W (GeForce MX450). Power connectors: 1x 6-pin vs Mobile.
| Feature | GeForce GTX 680MX | GeForce MX450 |
|---|---|---|
| TDP | 122W | 25W-80% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | Mobile |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | — |
| Temp (Load) | 80 | — |
| Perf/Watt | 31.1 | 148.8+378% |
Value Analysis
The GeForce MX450 is the newer GPU (2020 vs 2012).
| Feature | GeForce GTX 680MX | GeForce MX450 |
|---|---|---|
| MSRP | — | $250 |
| Avg Price (30d) | — | $200 |
| Codename | — | N17S-G5 / GP107-670-A1 |
| Release | October 23 2012 | August 1 2020 |
| Ranking | #520 | #523 |
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