CPU
GPU
GeForce GTX 680MX
Popular choices:
T400 4GB
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 T400 4GB is on rank 63, so the T400 4GB 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 T400 4GB
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The T400 4GB is significantly newer (2021 vs 2012). The T400 4GB 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 T400 4GB 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 | T400 4GB |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.1%) | ✅Leading raw performance (+0.1%) |
| 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 | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the T400 4GB 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 T400 4GB
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.
T400 4GB
The T400 4GB is manufactured by an unknown manufacturer. It was released in May 6 2021. It features the Turing architecture. The core clock ranges from 420 MHz to 1425 MHz. It has 384 shading units. The thermal design power (TDP) is 30W. Manufactured using 12 nm process technology. G3D Mark benchmark score: 3,803 points.
Graphics Performance
The GeForce GTX 680MX scores 3,799 and the T400 4GB reaches 3,803 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 T400 4GB uses Turing, both on 28 nm vs 12 nm. Shader units: 1,536 (GeForce GTX 680MX) vs 384 (T400 4GB).
| Feature | GeForce GTX 680MX | T400 4GB |
|---|---|---|
| G3D Mark Score | 3,799 | 3,803 |
| Architecture | Kepler | Turing |
| Process Node | 28 nm | 12 nm |
| Shading Units | 1536+300% | 384 |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 680MX | T400 4GB |
|---|---|---|
| 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 T400 4GB has 2 GB. The GeForce GTX 680MX offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 256-bit vs 64-bit.
| Feature | GeForce GTX 680MX | T400 4GB |
|---|---|---|
| VRAM Capacity | 4 GB+100% | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit+300% | 64-bit |
Display & API Support
DirectX support: 12 (11_0) (GeForce GTX 680MX) vs 12_0 (T400 4GB). Maximum simultaneous displays: 4 vs 3.
| Feature | GeForce GTX 680MX | T400 4GB |
|---|---|---|
| DirectX | 12 (11_0) | 12_0 |
| Max Displays | 4+33% | 3 |
Media & Encoding
Hardware encoder: NVENC (Kepler) (GeForce GTX 680MX) vs NVENC 7th Gen (T400 4GB). Decoder: NVDEC (Kepler) vs NVDEC 4th Gen.
| Feature | GeForce GTX 680MX | T400 4GB |
|---|---|---|
| Encoder | NVENC (Kepler) | NVENC 7th Gen |
| Decoder | NVDEC (Kepler) | NVDEC 4th Gen |
| Codecs | H.264,MPEG-1,MPEG-2,VC-1 | — |
Power & Dimensions
The GeForce GTX 680MX draws 122W versus the T400 4GB's 30W — a 121.1% difference. The T400 4GB is more power-efficient. Recommended PSU: 350W (GeForce GTX 680MX) vs 350W (T400 4GB). Power connectors: 1x 6-pin vs PCIe-powered. Card length: 0mm vs 156mm, occupying 0 vs 1 slots.
| Feature | GeForce GTX 680MX | T400 4GB |
|---|---|---|
| TDP | 122W | 30W-75% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | PCIe-powered |
| Length | 0mm | 156mm |
| Height | 0mm | — |
| Slots | 0-100% | 1 |
| Temp (Load) | 80 | — |
| Perf/Watt | 31.1 | 126.8+308% |
Value Analysis
The T400 4GB is the newer GPU (2021 vs 2012).
| Feature | GeForce GTX 680MX | T400 4GB |
|---|---|---|
| MSRP | — | $159 |
| Avg Price (30d) | — | $99 |
| Codename | — | TU117 |
| Release | October 23 2012 | May 6 2021 |
| Ranking | #520 | #518 |
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