Radeon HD 6620G vs Radeon HD 6480M
Radeon HD 6620G
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Radeon HD 6480M
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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 6620G is positioned at rank 423 and the Radeon HD 6480M is on rank 304, so the Radeon HD 6480M 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 6620G
Performance Per Dollar Radeon HD 6480M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 6480M is the superior choice for raw performance. It leads with a 3.5% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 6620G.
| Insight | Radeon HD 6620G | Radeon HD 6480M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-3.5%) | ✅Leading raw performance (+3.5%) |
| Longevity | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2010 / 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 | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 6480M 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 6620G and Radeon HD 6480M
Radeon HD 6620G
The Radeon HD 6620G is manufactured by AMD. It was released in April 19 2011. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 341 points.
Radeon HD 6480M
The Radeon HD 6480M 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: 353 points. Launch price was $239.
Graphics Performance
The Radeon HD 6620G scores 341 and the Radeon HD 6480M reaches 353 in the G3D Mark benchmark — just a 3.5% difference, making them near-identical in rasterization performance. The Radeon HD 6620G is built on TeraScale 2 while the Radeon HD 6480M uses TeraScale 2, both on a 40 nm process. Shader units: 480 (Radeon HD 6620G) vs 1,120 (Radeon HD 6480M). Raw compute: 0.576 TFLOPS (Radeon HD 6620G) vs 2.016 TFLOPS (Radeon HD 6480M).
| Feature | Radeon HD 6620G | Radeon HD 6480M |
|---|---|---|
| G3D Mark Score | 341 | 353+4% |
| Architecture | TeraScale 2 | TeraScale 2 |
| Process Node | 40 nm | 40 nm |
| Shading Units | 480 | 1120+133% |
| Compute (TFLOPS) | 0.576 TFLOPS | 2.016 TFLOPS+250% |
| ROPs | 8 | 32+300% |
| TMUs | 24 | 56+133% |
| L1 Cache | 48 KB | 224 KB+367% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6620G | Radeon HD 6480M |
|---|---|---|
| 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)
Both cards feature 512 MB of video memory. Bus width: 128-bit vs System. L2 Cache: 256 KB (Radeon HD 6620G) vs 512 KB (Radeon HD 6480M) — the Radeon HD 6480M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6620G | Radeon HD 6480M |
|---|---|---|
| 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% |
Display & API Support
DirectX support: 11 (Radeon HD 6620G) vs 11.2 (11_0) (Radeon HD 6480M). OpenGL: 4.4 vs 4.4. Maximum simultaneous displays: 2 vs 1.
| Feature | Radeon HD 6620G | Radeon HD 6480M |
|---|---|---|
| DirectX | 11 | 11.2 (11_0)+2% |
| OpenGL | 4.4 | 4.4 |
| Max Displays | 2+100% | 1 |
Media & Encoding
Decoder: UVD 3 vs UVD 3.0. Supported codecs: H.264,VC-1,MPEG-2 (Radeon HD 6620G) vs H.264,VC-1,MPEG-2,MPEG-4 Part 2 (Radeon HD 6480M).
| Feature | Radeon HD 6620G | Radeon HD 6480M |
|---|---|---|
| Decoder | UVD 3 | UVD 3.0 |
| Codecs | H.264,VC-1,MPEG-2 | H.264,VC-1,MPEG-2,MPEG-4 Part 2 |
Power & Dimensions
The Radeon HD 6620G draws 45W versus the Radeon HD 6480M's 151W — a 108.2% difference. The Radeon HD 6620G is more power-efficient. Recommended PSU: 350W (Radeon HD 6620G) vs 350W (Radeon HD 6480M). Power connectors: 1x 6-pin vs 1x 6-pin. Typical load temperature: 75°C vs 75°C.
| Feature | Radeon HD 6620G | Radeon HD 6480M |
|---|---|---|
| TDP | 45W-70% | 151W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Slots | — | 0 |
| Temp (Load) | 75°C | 75°C |
| Perf/Watt | 7.6+230% | 2.3 |
Value Analysis
The Radeon HD 6620G is the newer GPU (2011 vs 2010).
| Feature | Radeon HD 6620G | Radeon HD 6480M |
|---|---|---|
| MSRP | $50 | — |
| Avg Price (30d) | $10 | — |
| Codename | Onega | Barts |
| Release | April 19 2011 | October 21 2010 |
| Ranking | #926 | #661 |
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