Radeon HD 6480G vs Radeon HD 8490
Radeon HD 6480G
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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 Radeon HD 6480G is positioned at rank 223 and the Radeon HD 8490 is on rank 294, so the Radeon HD 6480G 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 6480G
Performance Per Dollar Radeon HD 8490
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 8490 is the superior choice for raw performance. It leads with a 2.3% higher G3D Mark score and 100% more VRAM (1 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 6480G.
| Insight | Radeon HD 6480G | Radeon HD 8490 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.3%) | ✅Leading raw performance (+2.3%) |
| Longevity | 🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2009 / TeraScale (2005−2013)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
The Radeon HD 8490 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 8490 holds the technical lead. Priced at $35 (vs $50), it costs 30% less, resulting in a 46.2% higher cost efficiency score.
| Insight | Radeon HD 6480G | Radeon HD 8490 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+46.2%) |
| Upfront Cost | ⚠️Higher upfront cost ($50) | ✅More affordable ($35) |
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 6480G and Radeon HD 8490
Radeon HD 6480G
The Radeon HD 6480G is manufactured by AMD. It was released in October 21 2010. It features the TeraScale 2 architecture. The boost clock speed is 900 MHz. It has 1120 shading units. The thermal design power (TDP) is 151W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 257 points. Launch price was $239.
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 Radeon HD 6480G scores 257 and the Radeon HD 8490 reaches 263 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The Radeon HD 6480G is built on TeraScale 2 while the Radeon HD 8490 uses TeraScale, both on 40 nm vs 55 nm. Shader units: 1,120 (Radeon HD 6480G) vs 800 (Radeon HD 8490). Raw compute: 2.016 TFLOPS (Radeon HD 6480G) vs 1.36 TFLOPS (Radeon HD 8490).
| Feature | Radeon HD 6480G | Radeon HD 8490 |
|---|---|---|
| G3D Mark Score | 257 | 263+2% |
| Architecture | TeraScale 2 | TeraScale |
| Process Node | 40 nm | 55 nm |
| Shading Units | 1120+40% | 800 |
| Compute (TFLOPS) | 2.016 TFLOPS+48% | 1.36 TFLOPS |
| ROPs | 32+100% | 16 |
| TMUs | 56+40% | 40 |
| L1 Cache | 224 KB+40% | 160 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6480G | Radeon HD 8490 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon HD 6480G comes with 512 MB of VRAM, while the Radeon HD 8490 has 1 GB. The Radeon HD 8490 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 512 KB (Radeon HD 6480G) vs 256 KB (Radeon HD 8490) — the Radeon HD 6480G has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6480G | Radeon HD 8490 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Power & Dimensions
The Radeon HD 6480G draws 151W versus the Radeon HD 8490's 190W — a 22.9% difference. The Radeon HD 6480G is more power-efficient. Recommended PSU: 350W (Radeon HD 6480G) vs 350W (Radeon HD 8490). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 6480G | Radeon HD 8490 |
|---|---|---|
| TDP | 151W-21% | 190W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | — | 168mm |
| Slots | — | 1 |
| Perf/Watt | 1.7+21% | 1.4 |
Value Analysis
The Radeon HD 6480G launched at $50 MSRP and currently averages $50, while the Radeon HD 8490 launched at $99 and now averages $35. The Radeon HD 8490 costs 30% less ($15 savings) at current market prices. Performance per dollar (G3D Mark / price): 5.1 (Radeon HD 6480G) vs 7.5 (Radeon HD 8490) — the Radeon HD 8490 offers 47.1% better value. The Radeon HD 6480G is the newer GPU (2010 vs 2009).
| Feature | Radeon HD 6480G | Radeon HD 8490 |
|---|---|---|
| MSRP | $50-49% | $99 |
| Avg Price (30d) | $50 | $35-30% |
| Performance per Dollar | 5.1 | 7.5+47% |
| Codename | Barts | RV790 |
| Release | October 21 2010 | April 2 2009 |
| Ranking | #661 | #762 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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