Radeon HD 6490M vs Radeon HD 4670
Radeon HD 6490M
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Radeon HD 4670
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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 6490M is positioned at rank 255 and the Radeon HD 4670 is on rank 208, so the Radeon HD 4670 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 6490M
Performance Per Dollar Radeon HD 4670
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 4670 is the superior choice for raw performance. It leads with a 1.1% 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 6490M.
| Insight | Radeon HD 6490M | Radeon HD 4670 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.1%) | ✅Leading raw performance (+1.1%) |
| Longevity | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2010 / TeraScale 3 (2010−2013)) |
| 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
While current pricing data is unavailable, the Radeon HD 4670 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 6490M and Radeon HD 4670
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.
Radeon HD 4670
The Radeon HD 4670 is manufactured by AMD. It was released in December 14 2010. It features the TeraScale 3 architecture. The boost clock speed is 880 MHz. It has 1536 shading units. The thermal design power (TDP) is 250W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 382 points. Launch price was $369.
Graphics Performance
The Radeon HD 6490M scores 378 and the Radeon HD 4670 reaches 382 in the G3D Mark benchmark — just a 1.1% difference, making them near-identical in rasterization performance. The Radeon HD 6490M is built on TeraScale 2 while the Radeon HD 4670 uses TeraScale 3, both on a 40 nm process. Shader units: 960 (Radeon HD 6490M) vs 1,536 (Radeon HD 4670). Raw compute: 1.306 TFLOPS (Radeon HD 6490M) vs 2.703 TFLOPS (Radeon HD 4670).
| Feature | Radeon HD 6490M | Radeon HD 4670 |
|---|---|---|
| G3D Mark Score | 378 | 382+1% |
| Architecture | TeraScale 2 | TeraScale 3 |
| Process Node | 40 nm | 40 nm |
| Shading Units | 960 | 1536+60% |
| Compute (TFLOPS) | 1.306 TFLOPS | 2.703 TFLOPS+107% |
| ROPs | 32 | 32 |
| TMUs | 48 | 96+100% |
| L1 Cache | 192 KB | 192 KB |
| L2 Cache | 512 KB | 512 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6490M | Radeon HD 4670 |
|---|---|---|
| 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 6490M comes with 512 MB of VRAM, while the Radeon HD 4670 has 1 GB. The Radeon HD 4670 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit.
| Feature | Radeon HD 6490M | Radeon HD 4670 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
| L2 Cache | 512 KB | 512 KB |
Power & Dimensions
The Radeon HD 6490M draws 75W versus the Radeon HD 4670's 250W — a 107.7% difference. The Radeon HD 6490M is more power-efficient. Recommended PSU: 350W (Radeon HD 6490M) vs 300W (Radeon HD 4670). Power connectors: 1x 6-pin vs None.
| Feature | Radeon HD 6490M | Radeon HD 4670 |
|---|---|---|
| TDP | 75W-70% | 250W |
| Recommended PSU | 350W | 300W-14% |
| Power Connector | 1x 6-pin | None |
| Length | — | 193mm |
| Slots | — | 1 |
| Temp (Load) | — | 65°C |
| Perf/Watt | 5.0+233% | 1.5 |
Value Analysis
The Radeon HD 6490M is the newer GPU (2011 vs 2010).
| Feature | Radeon HD 6490M | Radeon HD 4670 |
|---|---|---|
| MSRP | — | $67 |
| Avg Price (30d) | — | $67 |
| Codename | Blackcomb | Cayman |
| Release | January 4 2011 | December 14 2010 |
| Ranking | #654 | #596 |
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