
GeForce GTX 680MX vs Radeon R9 M485X

GeForce GTX 680MX
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Radeon R9 M485X
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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 R9 M485X is on rank 393, 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 Radeon R9 M485X
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R9 M485X is the superior choice for raw performance. It leads with a 0.1% 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 R9 M485X |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.1%) | ✅Leading raw performance (+0.1%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2016 / GCN 3.0 (2014−2019)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon R9 M485X 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 R9 M485X

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 R9 M485X
The Radeon R9 M485X is manufactured by AMD. It was released in May 15 2016. It features the GCN 3.0 architecture. The core clock speed is 723 MHz. It has 2048 shading units. The thermal design power (TDP) is 250W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,801 points.
Graphics Performance
The GeForce GTX 680MX scores 3,799 and the Radeon R9 M485X reaches 3,801 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The GeForce GTX 680MX is built on Kepler while the Radeon R9 M485X uses GCN 3.0, both on a 28 nm process. Shader units: 1,536 (GeForce GTX 680MX) vs 2,048 (Radeon R9 M485X).
| Feature | GeForce GTX 680MX | Radeon R9 M485X |
|---|---|---|
| G3D Mark Score | 3,799 | 3,801 |
| Architecture | Kepler | GCN 3.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1536 | 2048+33% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 680MX | Radeon R9 M485X |
|---|---|---|
| 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 680MX comes with 4 GB of VRAM, while the Radeon R9 M485X has 2 GB. The GeForce GTX 680MX offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 256-bit vs 128-bit.
| Feature | GeForce GTX 680MX | Radeon R9 M485X |
|---|---|---|
| VRAM Capacity | 4 GB+100% | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | 160 GB/s | Unknown |
| Bus Width | 256-bit+100% | 128-bit |
Display & API Support
DirectX support: 12 (11_0) (GeForce GTX 680MX) vs 12 (Radeon R9 M485X). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | GeForce GTX 680MX | Radeon R9 M485X |
|---|---|---|
| DirectX | 12 (11_0) | 12 |
| Vulkan | 1.2 | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: NVENC (Kepler) (GeForce GTX 680MX) vs VCE 3.0 (Radeon R9 M485X). Decoder: NVDEC (Kepler) vs UVD 6.0. Supported codecs: H.264,MPEG-1,MPEG-2,VC-1 (GeForce GTX 680MX) vs H.264,HEVC,VP9 (Radeon R9 M485X).
| Feature | GeForce GTX 680MX | Radeon R9 M485X |
|---|---|---|
| Encoder | NVENC (Kepler) | VCE 3.0 |
| Decoder | NVDEC (Kepler) | UVD 6.0 |
| Codecs | H.264,MPEG-1,MPEG-2,VC-1 | H.264,HEVC,VP9 |
Power & Dimensions
The GeForce GTX 680MX draws 122W versus the Radeon R9 M485X's 250W — a 68.8% difference. The GeForce GTX 680MX is more power-efficient. Recommended PSU: 350W (GeForce GTX 680MX) vs 350W (Radeon R9 M485X). Power connectors: 1x 6-pin vs Mobile. Typical load temperature: 80 vs 80°C.
| Feature | GeForce GTX 680MX | Radeon R9 M485X |
|---|---|---|
| TDP | 122W-51% | 250W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | Mobile |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | — |
| Temp (Load) | 80 | 80°C |
| Perf/Watt | 31.1+105% | 15.2 |
Value Analysis
The Radeon R9 M485X is the newer GPU (2016 vs 2012).
| Feature | GeForce GTX 680MX | Radeon R9 M485X |
|---|---|---|
| MSRP | — | $450 |
| Avg Price (30d) | — | $150 |
| Codename | — | Amethyst |
| Release | October 23 2012 | May 15 2016 |
| Ranking | #520 | #519 |
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