GeForce Go 7900 GTX vs Radeon HD 8490
GeForce Go 7900 GTX
Popular choices:
Radeon HD 8490
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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 Go 7900 GTX is positioned at rank 218 and the Radeon HD 8490 is on rank 294, so the GeForce Go 7900 GTX offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce Go 7900 GTX
Performance Per Dollar Radeon HD 8490
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce Go 7900 GTX is significantly newer (2015 vs 2009). The GeForce Go 7900 GTX likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 8490 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GeForce Go 7900 GTX is the superior choice for raw performance. It leads with a 2.7% higher G3D Mark score. However, the Radeon HD 8490 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce Go 7900 GTX | Radeon HD 8490 |
|---|---|---|
| Performance | ✅Leading raw performance (+2.7%) | ❌Lower raw frame rates (-2.7%) |
| Longevity | 🛑Obsolete Architecture (2015 / Maxwell 2.0 (2014−2019)) | 🛑Obsolete Architecture (2009 / TeraScale (2005−2013)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+300%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the GeForce Go 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.
Technical Specifications
Side-by-side comparison of GeForce Go 7900 GTX and Radeon HD 8490
GeForce Go 7900 GTX
The GeForce Go 7900 GTX is manufactured by NVIDIA. It was released in June 2 2015. It features the Maxwell 2.0 architecture. The core clock ranges from 1000 MHz to 1075 MHz. It has 2816 shading units. The thermal design power (TDP) is 250W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 270 points. Launch price was $649.
Radeon HD 8490
The Radeon HD 8490 is manufactured by AMD. It was released in April 2 2009. It features the TeraScale architecture. The core clock speed is 850 MHz. It has 800 shading units. The thermal design power (TDP) is 190W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 263 points. Launch price was $249.
Graphics Performance
The GeForce Go 7900 GTX scores 270 and the Radeon HD 8490 reaches 263 in the G3D Mark benchmark — just a 2.7% difference, making them near-identical in rasterization performance. The GeForce Go 7900 GTX is built on Maxwell 2.0 while the Radeon HD 8490 uses TeraScale, both on 28 nm vs 55 nm. Shader units: 2,816 (GeForce Go 7900 GTX) vs 800 (Radeon HD 8490). Raw compute: 6.06 TFLOPS (GeForce Go 7900 GTX) vs 1.36 TFLOPS (Radeon HD 8490).
| Feature | GeForce Go 7900 GTX | Radeon HD 8490 |
|---|---|---|
| G3D Mark Score | 270+3% | 263 |
| Architecture | Maxwell 2.0 | TeraScale |
| Process Node | 28 nm | 55 nm |
| Shading Units | 2816+252% | 800 |
| Compute (TFLOPS) | 6.06 TFLOPS+346% | 1.36 TFLOPS |
| ROPs | 96+500% | 16 |
| TMUs | 176+340% | 40 |
| L1 Cache | 1 MB+525% | 0.16 MB |
| L2 Cache | 3 MB+1100% | 0.25 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce Go 7900 GTX | Radeon HD 8490 |
|---|---|---|
| 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)
The GeForce Go 7900 GTX comes with 256 MB of VRAM, while the Radeon HD 8490 has 1 GB. The Radeon HD 8490 offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 3 MB (GeForce Go 7900 GTX) vs 0.25 MB (Radeon HD 8490) — the GeForce Go 7900 GTX has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce Go 7900 GTX | Radeon HD 8490 |
|---|---|---|
| VRAM Capacity | 0.25 GB | 1 GB+300% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 3 MB+1100% | 0.25 MB |
Display & API Support
DirectX support: 9.0c (GeForce Go 7900 GTX) vs 11.2 (Radeon HD 8490). OpenGL: 2.1 vs 4.4. Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce Go 7900 GTX | Radeon HD 8490 |
|---|---|---|
| DirectX | 9.0c | 11.2+24% |
| OpenGL | 2.1 | 4.4+110% |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: No (GeForce Go 7900 GTX) vs UVD 3.1 (Radeon HD 8490). Decoder: PureVideo vs UVD 3.1. Supported codecs: MPEG-2,WMV9,H.264 (GeForce Go 7900 GTX) vs H.264,MPEG-2,VC-1 (Radeon HD 8490).
| Feature | GeForce Go 7900 GTX | Radeon HD 8490 |
|---|---|---|
| Encoder | No | UVD 3.1 |
| Decoder | PureVideo | UVD 3.1 |
| Codecs | MPEG-2,WMV9,H.264 | H.264,MPEG-2,VC-1 |
Power & Dimensions
The GeForce Go 7900 GTX draws 250W versus the Radeon HD 8490's 190W — a 27.3% difference. The Radeon HD 8490 is more power-efficient. Recommended PSU: 350W (GeForce Go 7900 GTX) vs 350W (Radeon HD 8490). Power connectors: PCIe-powered vs 1x 6-pin. Card length: 0mm vs 168mm, occupying 0 vs 1 slots.
| Feature | GeForce Go 7900 GTX | Radeon HD 8490 |
|---|---|---|
| TDP | 250W | 190W-24% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Length | 0mm | 168mm |
| Height | 0mm | — |
| Slots | 0-100% | 1 |
| Temp (Load) | 85°C | — |
| Perf/Watt | 1.1 | 1.4+27% |
Value Analysis
The GeForce Go 7900 GTX is the newer GPU (2015 vs 2009).
| Feature | GeForce Go 7900 GTX | Radeon HD 8490 |
|---|---|---|
| MSRP | — | $99 |
| Avg Price (30d) | — | $35 |
| Codename | GM200 | RV790 |
| Release | June 2 2015 | April 2 2009 |
| Ranking | #179 | #762 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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