
GeForce GTX 680M KY_Bullet Edition
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Radeon HD 6990M Crossfire
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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 680M KY_Bullet Edition is positioned at rank 102 and the Radeon HD 6990M Crossfire is on rank 479, so the GeForce GTX 680M KY_Bullet Edition 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 680M KY_Bullet Edition
Performance Per Dollar Radeon HD 6990M Crossfire
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GTX 680M KY_Bullet Edition is the superior choice for raw performance. It leads with a 2% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 6990M Crossfire.
| Insight | GeForce GTX 680M KY_Bullet Edition | Radeon HD 6990M Crossfire |
|---|---|---|
| Performance | ✅Leading raw performance (+2%) | ❌Lower raw frame rates (-2%) |
| Longevity | 🛑Obsolete Architecture (2013 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2011 / Terascale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce GTX 680M KY_Bullet Edition 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 680M KY_Bullet Edition and Radeon HD 6990M Crossfire

GeForce GTX 680M KY_Bullet Edition
The GeForce GTX 680M KY_Bullet Edition is manufactured by NVIDIA. It was released in November 8 2013. It features the Kepler architecture. The core clock ranges from 771 MHz to 797 MHz. It has 1536 shading units. The thermal design power (TDP) is 122W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,569 points.

Radeon HD 6990M Crossfire
The Radeon HD 6990M Crossfire is manufactured by AMD. It was released in July 12 2011. It features the Terascale 2 architecture. The core clock speed is 715 MHz. It has 2240 shading units. The thermal design power (TDP) is 50W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 3,500 points.
Graphics Performance
The GeForce GTX 680M KY_Bullet Edition scores 3,569 and the Radeon HD 6990M Crossfire reaches 3,500 in the G3D Mark benchmark — just a 2% difference, making them near-identical in rasterization performance. The GeForce GTX 680M KY_Bullet Edition is built on Kepler while the Radeon HD 6990M Crossfire uses Terascale 2, both on 28 nm vs 40 nm. Shader units: 1,536 (GeForce GTX 680M KY_Bullet Edition) vs 2,240 (Radeon HD 6990M Crossfire).
| Feature | GeForce GTX 680M KY_Bullet Edition | Radeon HD 6990M Crossfire |
|---|---|---|
| G3D Mark Score | 3,569+2% | 3,500 |
| Architecture | Kepler | Terascale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 1536 | 2240+46% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 680M KY_Bullet Edition | Radeon HD 6990M Crossfire |
|---|---|---|
| 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)
Both cards feature 2 GB of GDDR5. Bus width: 256-bit vs 128-bit.
| Feature | GeForce GTX 680M KY_Bullet Edition | Radeon HD 6990M Crossfire |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 256-bit+100% | 128-bit |
Display & API Support
DirectX support: 12 (11_0) (GeForce GTX 680M KY_Bullet Edition) vs 11.0 (Radeon HD 6990M Crossfire). Vulkan: 1.2 vs N/A. OpenGL: 4.6 vs 4.4. Maximum simultaneous displays: 4 vs 6.
| Feature | GeForce GTX 680M KY_Bullet Edition | Radeon HD 6990M Crossfire |
|---|---|---|
| DirectX | 12 (11_0)+9% | 11.0 |
| Vulkan | 1.2 | N/A |
| OpenGL | 4.6+5% | 4.4 |
| Max Displays | 4 | 6+50% |
Media & Encoding
Hardware encoder: NVENC (GeForce GTX 680M KY_Bullet Edition) vs None (Radeon HD 6990M Crossfire). Decoder: PureVideo HD (VP5) vs UVD 3.0. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GTX 680M KY_Bullet Edition) vs MPEG-2,VC-1,H.264,MPEG-4,MVC (Radeon HD 6990M Crossfire).
| Feature | GeForce GTX 680M KY_Bullet Edition | Radeon HD 6990M Crossfire |
|---|---|---|
| Encoder | NVENC | None |
| Decoder | PureVideo HD (VP5) | UVD 3.0 |
| Codecs | H.264,MPEG-2,VC-1 | MPEG-2,VC-1,H.264,MPEG-4,MVC |
Power & Dimensions
The GeForce GTX 680M KY_Bullet Edition draws 122W versus the Radeon HD 6990M Crossfire's 50W — a 83.7% difference. The Radeon HD 6990M Crossfire is more power-efficient. Recommended PSU: 350W (GeForce GTX 680M KY_Bullet Edition) vs 350W (Radeon HD 6990M Crossfire). Power connectors: 1x 6-pin vs 1x 6-pin. Card length: 105mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 75°C vs 90.
| Feature | GeForce GTX 680M KY_Bullet Edition | Radeon HD 6990M Crossfire |
|---|---|---|
| TDP | 122W | 50W-59% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | 105mm | 0mm |
| Height | 82mm | 0mm |
| Slots | 0 | 0 |
| Temp (Load) | 75°C-17% | 90 |
| Perf/Watt | 29.3 | 70.0+139% |
Value Analysis
The GeForce GTX 680M KY_Bullet Edition is the newer GPU (2013 vs 2011).
| Feature | GeForce GTX 680M KY_Bullet Edition | Radeon HD 6990M Crossfire |
|---|---|---|
| MSRP | — | $699 |
| Avg Price (30d) | — | $150 |
| Codename | GK104 | Blackcomb XTX |
| Release | November 8 2013 | July 12 2011 |
| Ranking | #625 | #517 |
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