CPU
GPU
GeForce 7900 GTX
Popular choices:
Radeon HD 6490M
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 7900 GTX is positioned at rank 711 and the Radeon HD 6490M is on rank 255, so the Radeon HD 6490M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce 7900 GTX
Performance Per Dollar Radeon HD 6490M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce 7900 GTX is the superior choice for raw performance. It leads with a 2.6% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 6490M.
| Insight | GeForce 7900 GTX | Radeon HD 6490M |
|---|---|---|
| Performance | ✅Leading raw performance (+2.6%) | ❌Lower raw frame rates (-2.6%) |
| Longevity | 🛑Obsolete Architecture (2008 / G9x (2007−2010)) | 🛑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 7900 GTX 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.
Counter-Strike 2
League of Legends
Valorant
Technical Specifications
Side-by-side comparison of GeForce 7900 GTX and Radeon HD 6490M
GeForce 7900 GTX
The GeForce 7900 GTX is manufactured by NVIDIA. It was released in July 15 2008. It features the G9x architecture. The core clock speed is 500 MHz. It has 224 shading units. The thermal design power (TDP) is 150W. Manufactured using 65 nm process technology. G3D Mark benchmark score: 388 points.
Radeon HD 6490M
The Radeon HD 6490M is manufactured by AMD. It was released in January 4 2011. It features the TeraScale 2 architecture. The core clock speed is 680 MHz. It has 960 shading units. The thermal design power (TDP) is 75W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 378 points.
Graphics Performance
The GeForce 7900 GTX scores 388 and the Radeon HD 6490M reaches 378 in the G3D Mark benchmark — just a 2.6% difference, making them near-identical in rasterization performance. The GeForce 7900 GTX is built on G9x while the Radeon HD 6490M uses TeraScale 2, both on 65 nm vs 40 nm. Shader units: 224 (GeForce 7900 GTX) vs 960 (Radeon HD 6490M).
| Feature | GeForce 7900 GTX | Radeon HD 6490M |
|---|---|---|
| G3D Mark Score | 388+3% | 378 |
| Architecture | G9x | TeraScale 2 |
| Process Node | 65 nm | 40 nm |
| Shading Units | 224 | 960+329% |
Advanced Features (DLSS/FSR)
| Feature | GeForce 7900 GTX | Radeon HD 6490M |
|---|---|---|
| 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 512 MB of video memory. Bus width: 64-bit vs System.
| Feature | GeForce 7900 GTX | Radeon HD 6490M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 64-bit | System |
Power & Dimensions
The GeForce 7900 GTX draws 150W versus the Radeon HD 6490M's 75W — a 66.7% difference. The Radeon HD 6490M is more power-efficient. Recommended PSU: 350W (GeForce 7900 GTX) vs 350W (Radeon HD 6490M). Power connectors: PCIe-powered vs 1x 6-pin.
| Feature | GeForce 7900 GTX | Radeon HD 6490M |
|---|---|---|
| TDP | 150W | 75W-50% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Length | 229mm | — |
| Height | 111mm | — |
| Slots | 2 | — |
| Temp (Load) | 80 | — |
| Perf/Watt | 2.6 | 5.0+92% |
Value Analysis
The Radeon HD 6490M is the newer GPU (2011 vs 2008).
| Feature | GeForce 7900 GTX | Radeon HD 6490M |
|---|---|---|
| MSRP | $499 | — |
| Avg Price (30d) | $40 | — |
| Codename | NB9E-GTX | Blackcomb |
| Release | July 15 2008 | January 4 2011 |
| Ranking | #825 | #654 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
You May Also Compare
Similar GPU comparisons based on GeForce 7900 GTX and Radeon HD 6490M
