
GeForce MX450 vs GeForce GTX 680MX

GeForce MX450
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GeForce GTX 680MX
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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 MX450 is positioned at rank 307 and the GeForce GTX 680MX is on rank 79, 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 MX450
Performance Per Dollar GeForce GTX 680MX
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 MX450 | GeForce GTX 680MX |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.1%) | ✅Leading raw performance (+2.1%) |
| Longevity | Turing (2018−2022) (12nm) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| 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 MX450 and GeForce GTX 680MX

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.

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.
Graphics Performance
The GeForce MX450 scores 3,720 and the GeForce GTX 680MX reaches 3,799 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The GeForce MX450 is built on Turing while the GeForce GTX 680MX uses Kepler, both on 12 nm vs 28 nm. Shader units: 896 (GeForce MX450) vs 1,536 (GeForce GTX 680MX).
| Feature | GeForce MX450 | GeForce GTX 680MX |
|---|---|---|
| G3D Mark Score | 3,720 | 3,799+2% |
| Architecture | Turing | Kepler |
| Process Node | 12 nm | 28 nm |
| Shading Units | 896 | 1536+71% |
Advanced Features (DLSS/FSR)
| Feature | GeForce MX450 | GeForce GTX 680MX |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 2.1 (Compatible) |
| Frame Generation | Not Supported | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The GeForce MX450 comes with 2 GB of VRAM, while the GeForce GTX 680MX has 4 GB. The GeForce GTX 680MX offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 80 GB/s (GeForce MX450) vs 160 GB/s (GeForce GTX 680MX) — a 100% advantage for the GeForce GTX 680MX. Bus width: 64-bit vs 256-bit.
| Feature | GeForce MX450 | GeForce GTX 680MX |
|---|---|---|
| VRAM Capacity | 2 GB | 4 GB+100% |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bandwidth | 80 GB/s | 160 GB/s+100% |
| Bus Width | 64-bit | 256-bit+300% |
Power & Dimensions
The GeForce MX450 draws 25W versus the GeForce GTX 680MX's 122W — a 132% difference. The GeForce MX450 is more power-efficient. Recommended PSU: 350W (GeForce MX450) vs 350W (GeForce GTX 680MX). Power connectors: Mobile vs 1x 6-pin.
| Feature | GeForce MX450 | GeForce GTX 680MX |
|---|---|---|
| TDP | 25W-80% | 122W |
| Recommended PSU | 350W | 350W |
| Power Connector | Mobile | 1x 6-pin |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | — | 0 |
| Temp (Load) | — | 80 |
| Perf/Watt | 148.8+378% | 31.1 |
Value Analysis
The GeForce MX450 is the newer GPU (2020 vs 2012).
| Feature | GeForce MX450 | GeForce GTX 680MX |
|---|---|---|
| MSRP | $250 | — |
| Avg Price (30d) | $200 | — |
| Codename | N17S-G5 / GP107-670-A1 | — |
| Release | August 1 2020 | October 23 2012 |
| Ranking | #523 | #520 |
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