
GeForce GTX 680MX

P104-100
GeForce GTX 680MX vs P104-100 Performance Spectrum
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.
GeForce GTX 680MX vs P104-100 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends
GeForce GTX 680MX vs P104-100: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GeForce GTX 680MX
2012Why buy it
- ✅100% more VRAM for high-resolution textures and newer games (4 GB vs 2 GB).
Trade-offs
- ❌2012 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌306.7% higher power demand at 122W vs 30W.
P104-100
2017Why buy it
- ✅Draws 30W instead of 122W, a 92W reduction.
- ✅More future proof: Pascal (2016−2021) on 16nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with 2 GB vs 4 GB for high-resolution textures and newer games.
- ❌2017 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Quick Answers
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GeForce GTX 680MX vs P104-100 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

P104-100
The P104-100 is manufactured by NVIDIA. It was released in December 12 2017. It features the Pascal architecture. The core clock ranges from 1607 MHz to 1733 MHz. It has 1920 shading units. The thermal design power (TDP) is 30W. Manufactured using 16 nm process technology. G3D Mark benchmark score: 3,678 points.
Graphics Performance
The GeForce GTX 680MX scores 3,799 and the P104-100 reaches 3,678 in the G3D Mark benchmark — just a 3.3% difference, making them near-identical in rasterization performance. The GeForce GTX 680MX is built on Kepler while the P104-100 uses Pascal, both on 28 nm vs 16 nm. Shader units: 1,536 (GeForce GTX 680MX) vs 1,920 (P104-100).
| Feature | GeForce GTX 680MX | P104-100 |
|---|---|---|
| G3D Mark Score | 3,799+3% | 3,678 |
| Architecture | Kepler | Pascal |
| Process Node | 28 nm | 16 nm |
| Shading Units | 1536 | 1920+25% |
Advanced Features (DLSS/FSR)
The GeForce GTX 680MX gets NVIDIA DLSS, which still tends to look cleaner in motion. The P104-100 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GTX 680MX | P104-100 |
|---|---|---|
| Upscaling Tech | Upscaling support | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | Standard |
Video Memory (VRAM)
The GeForce GTX 680MX has 4 GB of VRAM, while the P104-100 carries 2 GB. GeForce GTX 680MX gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 256-bit on the GeForce GTX 680MX and 64-bit on the P104-100.
| Feature | GeForce GTX 680MX | P104-100 |
|---|---|---|
| VRAM Capacity | 4 GB+100% | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit+300% | 64-bit |
Power & Dimensions
The GeForce GTX 680MX draws 122W versus the P104-100's 30W — a 121.1% difference. The P104-100 is more power-efficient. Recommended PSU: 350W (GeForce GTX 680MX) vs 350W (P104-100). Power connectors: 1x 6-pin vs PCIe-powered.
| Feature | GeForce GTX 680MX | P104-100 |
|---|---|---|
| TDP | 122W | 30W-75% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | PCIe-powered |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | — |
| Temp (Load) | 80 | — |
| Perf/Watt | 31.1 | 122.6+294% |
Value Analysis
The newer card here is P104-100 (2017 vs 2012).
| Feature | GeForce GTX 680MX | P104-100 |
|---|---|---|
| MSRP | — | $0 |
| Codename | — | GP104 |
| Release | October 23 2012 | December 12 2017 |
| Ranking | #520 | #529 |
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