CPU
GPU
Radeon HD 6990M Crossfire
Popular choices:
GeForce GTX 680M KY_Bullet Edition
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 Radeon HD 6990M Crossfire is positioned at rank 479 and the GeForce GTX 680M KY_Bullet Edition is on rank 102, 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 Radeon HD 6990M Crossfire
Performance Per Dollar GeForce GTX 680M KY_Bullet Edition
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 | Radeon HD 6990M Crossfire | GeForce GTX 680M KY_Bullet Edition |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2%) | ✅Leading raw performance (+2%) |
| Longevity | 🛑Obsolete Architecture (2011 / Terascale 2 (2009−2015)) | 🛑Obsolete Architecture (2013 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| 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 Radeon HD 6990M Crossfire and GeForce GTX 680M KY_Bullet Edition
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.
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.
Graphics Performance
The Radeon HD 6990M Crossfire scores 3,500 and the GeForce GTX 680M KY_Bullet Edition reaches 3,569 in the G3D Mark benchmark — just a 2% difference, making them near-identical in rasterization performance. The Radeon HD 6990M Crossfire is built on Terascale 2 while the GeForce GTX 680M KY_Bullet Edition uses Kepler, both on 40 nm vs 28 nm. Shader units: 2,240 (Radeon HD 6990M Crossfire) vs 1,536 (GeForce GTX 680M KY_Bullet Edition).
| Feature | Radeon HD 6990M Crossfire | GeForce GTX 680M KY_Bullet Edition |
|---|---|---|
| G3D Mark Score | 3,500 | 3,569+2% |
| Architecture | Terascale 2 | Kepler |
| Process Node | 40 nm | 28 nm |
| Shading Units | 2240+46% | 1536 |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6990M Crossfire | GeForce GTX 680M KY_Bullet Edition |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 2.1 (Compatible) |
| Frame Generation | Not Supported | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
Both cards feature 2 GB of GDDR5. Bus width: 128-bit vs 256-bit.
| Feature | Radeon HD 6990M Crossfire | GeForce GTX 680M KY_Bullet Edition |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 256-bit+100% |
Display & API Support
DirectX support: 11.0 (Radeon HD 6990M Crossfire) vs 12 (11_0) (GeForce GTX 680M KY_Bullet Edition). Vulkan: N/A vs 1.2. OpenGL: 4.4 vs 4.6. Maximum simultaneous displays: 6 vs 4.
| Feature | Radeon HD 6990M Crossfire | GeForce GTX 680M KY_Bullet Edition |
|---|---|---|
| DirectX | 11.0 | 12 (11_0)+9% |
| Vulkan | N/A | 1.2 |
| OpenGL | 4.4 | 4.6+5% |
| Max Displays | 6+50% | 4 |
Media & Encoding
Hardware encoder: None (Radeon HD 6990M Crossfire) vs NVENC (GeForce GTX 680M KY_Bullet Edition). Decoder: UVD 3.0 vs PureVideo HD (VP5). Supported codecs: MPEG-2,VC-1,H.264,MPEG-4,MVC (Radeon HD 6990M Crossfire) vs H.264,MPEG-2,VC-1 (GeForce GTX 680M KY_Bullet Edition).
| Feature | Radeon HD 6990M Crossfire | GeForce GTX 680M KY_Bullet Edition |
|---|---|---|
| Encoder | None | NVENC |
| Decoder | UVD 3.0 | PureVideo HD (VP5) |
| Codecs | MPEG-2,VC-1,H.264,MPEG-4,MVC | H.264,MPEG-2,VC-1 |
Power & Dimensions
The Radeon HD 6990M Crossfire draws 50W versus the GeForce GTX 680M KY_Bullet Edition's 122W — a 83.7% difference. The Radeon HD 6990M Crossfire is more power-efficient. Recommended PSU: 350W (Radeon HD 6990M Crossfire) vs 350W (GeForce GTX 680M KY_Bullet Edition). Power connectors: 1x 6-pin vs 1x 6-pin. Card length: 0mm vs 105mm, occupying 0 vs 0 slots. Typical load temperature: 90 vs 75°C.
| Feature | Radeon HD 6990M Crossfire | GeForce GTX 680M KY_Bullet Edition |
|---|---|---|
| TDP | 50W-59% | 122W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | 0mm | 105mm |
| Height | 0mm | 82mm |
| Slots | 0 | 0 |
| Temp (Load) | 90 | 75°C-17% |
| Perf/Watt | 70.0+139% | 29.3 |
Value Analysis
The GeForce GTX 680M KY_Bullet Edition is the newer GPU (2013 vs 2011).
| Feature | Radeon HD 6990M Crossfire | GeForce GTX 680M KY_Bullet Edition |
|---|---|---|
| MSRP | $699 | — |
| Avg Price (30d) | $150 | — |
| Codename | Blackcomb XTX | GK104 |
| Release | July 12 2011 | November 8 2013 |
| Ranking | #517 | #625 |
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