Radeon HD 6490M vs GeForce GT 705
Radeon HD 6490M
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GeForce GT 705
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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 GeForce GT 705 is on rank 199, so the GeForce GT 705 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 GeForce GT 705
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 6490M is the superior choice for raw performance. It leads with a 2.2% higher G3D Mark score. However, the GeForce GT 705 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon HD 6490M | GeForce GT 705 |
|---|---|---|
| Performance | ✅Leading raw performance (+2.2%) | ❌Lower raw frame rates (-2.2%) |
| Longevity | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2014 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 6490M 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 GeForce GT 705
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.
GeForce GT 705
The GeForce GT 705 is manufactured by NVIDIA. It was released in May 29 2014. It features the Kepler architecture. The core clock speed is 993 MHz. It has 384 shading units. The thermal design power (TDP) is 64W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 370 points. Launch price was $89.
Graphics Performance
The Radeon HD 6490M scores 378 and the GeForce GT 705 reaches 370 in the G3D Mark benchmark — just a 2.2% difference, making them near-identical in rasterization performance. The Radeon HD 6490M is built on TeraScale 2 while the GeForce GT 705 uses Kepler, both on 40 nm vs 28 nm. Shader units: 960 (Radeon HD 6490M) vs 384 (GeForce GT 705). Raw compute: 1.306 TFLOPS (Radeon HD 6490M) vs 0.7626 TFLOPS (GeForce GT 705).
| Feature | Radeon HD 6490M | GeForce GT 705 |
|---|---|---|
| G3D Mark Score | 378+2% | 370 |
| Architecture | TeraScale 2 | Kepler |
| Process Node | 40 nm | 28 nm |
| Shading Units | 960+150% | 384 |
| Compute (TFLOPS) | 1.306 TFLOPS+71% | 0.7626 TFLOPS |
| ROPs | 32+100% | 16 |
| TMUs | 48+50% | 32 |
| L1 Cache | 192 KB+500% | 32 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6490M | GeForce GT 705 |
|---|---|---|
| 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 | Standard |
Video Memory (VRAM)
The Radeon HD 6490M comes with 512 MB of VRAM, while the GeForce GT 705 has 1 GB. The GeForce GT 705 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 64-bit. L2 Cache: 512 KB (Radeon HD 6490M) vs 256 KB (GeForce GT 705) — the Radeon HD 6490M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6490M | GeForce GT 705 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 64-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Power & Dimensions
The Radeon HD 6490M draws 75W versus the GeForce GT 705's 64W — a 15.8% difference. The GeForce GT 705 is more power-efficient. Recommended PSU: 350W (Radeon HD 6490M) vs 250W (GeForce GT 705). Power connectors: 1x 6-pin vs None.
| Feature | Radeon HD 6490M | GeForce GT 705 |
|---|---|---|
| TDP | 75W | 64W-15% |
| Recommended PSU | 350W | 250W-29% |
| Power Connector | 1x 6-pin | None |
| Length | — | 145mm |
| Height | — | 111mm |
| Slots | — | 1 |
| Temp (Load) | — | 65°C |
| Perf/Watt | 5.0 | 5.8+16% |
Value Analysis
The GeForce GT 705 is the newer GPU (2014 vs 2011).
| Feature | Radeon HD 6490M | GeForce GT 705 |
|---|---|---|
| MSRP | — | $60 |
| Avg Price (30d) | — | $15 |
| Codename | Blackcomb | GK107 |
| Release | January 4 2011 | May 29 2014 |
| Ranking | #654 | #777 |
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