GeForce GT 620 vs Radeon HD 6490M
GeForce GT 620
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 GT 620 is positioned at rank 190 and the Radeon HD 6490M is on rank 255, so the GeForce GT 620 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce GT 620
Performance Per Dollar Radeon HD 6490M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GT 620 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 GT 620 | Radeon HD 6490M |
|---|---|---|
| Performance | ✅Leading raw performance (+2.6%) | ❌Lower raw frame rates (-2.6%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce GT 620 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 GT 620 and Radeon HD 6490M
GeForce GT 620
The GeForce GT 620 is manufactured by NVIDIA. It was released in June 5 2012. It features the Kepler architecture. The core clock speed is 902 MHz. It has 384 shading units. The thermal design power (TDP) is 65W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 388 points. Launch price was $99.
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 GT 620 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 GT 620 is built on Kepler while the Radeon HD 6490M uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 620) vs 960 (Radeon HD 6490M). Raw compute: 0.6927 TFLOPS (GeForce GT 620) vs 1.306 TFLOPS (Radeon HD 6490M).
| Feature | GeForce GT 620 | Radeon HD 6490M |
|---|---|---|
| G3D Mark Score | 388+3% | 378 |
| Architecture | Kepler | TeraScale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 384 | 960+150% |
| Compute (TFLOPS) | 0.6927 TFLOPS | 1.306 TFLOPS+89% |
| ROPs | 16 | 32+100% |
| TMUs | 32 | 48+50% |
| L1 Cache | 32 KB | 192 KB+500% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 620 | Radeon HD 6490M |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | 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: 128-bit vs System. L2 Cache: 256 KB (GeForce GT 620) vs 512 KB (Radeon HD 6490M) — the Radeon HD 6490M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 620 | Radeon HD 6490M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
| L2 Cache | 256 KB | 512 KB+100% |
Power & Dimensions
The GeForce GT 620 draws 65W versus the Radeon HD 6490M's 75W — a 14.3% difference. The GeForce GT 620 is more power-efficient. Recommended PSU: 250W (GeForce GT 620) vs 350W (Radeon HD 6490M). Power connectors: None vs 1x 6-pin.
| Feature | GeForce GT 620 | Radeon HD 6490M |
|---|---|---|
| TDP | 65W-13% | 75W |
| Recommended PSU | 250W-29% | 350W |
| Power Connector | None | 1x 6-pin |
| Length | 145mm | — |
| Height | 111mm | — |
| Slots | 1 | — |
| Temp (Load) | 70°C | — |
| Perf/Watt | 6.0+20% | 5.0 |
Value Analysis
The GeForce GT 620 is the newer GPU (2012 vs 2011).
| Feature | GeForce GT 620 | Radeon HD 6490M |
|---|---|---|
| MSRP | $59 | — |
| Avg Price (30d) | $20 | — |
| Codename | GK107 | Blackcomb |
| Release | June 5 2012 | January 4 2011 |
| Ranking | #837 | #654 |
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