Radeon HD 7540D vs Radeon HD 6620G
Radeon HD 7540D
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Radeon HD 6620G
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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 7540D is positioned at rank 230 and the Radeon HD 6620G is on rank 423, so the Radeon HD 7540D 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 7540D
Performance Per Dollar Radeon HD 6620G
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 6620G is the superior choice for raw performance. It leads with a 3% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7540D.
| Insight | Radeon HD 7540D | Radeon HD 6620G |
|---|---|---|
| Performance | ❌Lower raw frame rates (-3%) | ✅Leading raw performance (+3%) |
| Longevity | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Radeon HD 7540D offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 7540D holds the technical lead. Priced at $5 (vs $10), it costs 50% less, resulting in a 94.1% higher cost efficiency score.
| Insight | Radeon HD 7540D | Radeon HD 6620G |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+94.1%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($5) | ⚠️Higher upfront cost ($10) |
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 7540D and Radeon HD 6620G
Radeon HD 7540D
The Radeon HD 7540D is manufactured by AMD. It was released in January 31 2012. It features the GCN 1.0 architecture. The boost clock speed is 1250 MHz. It has 1792 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 331 points. Launch price was $449.
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.
Graphics Performance
The Radeon HD 7540D scores 331 and the Radeon HD 6620G reaches 341 in the G3D Mark benchmark — just a 3% difference, making them near-identical in rasterization performance. The Radeon HD 7540D is built on GCN 1.0 while the Radeon HD 6620G uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 1,792 (Radeon HD 7540D) vs 480 (Radeon HD 6620G). Raw compute: 2.867 TFLOPS (Radeon HD 7540D) vs 0.576 TFLOPS (Radeon HD 6620G).
| Feature | Radeon HD 7540D | Radeon HD 6620G |
|---|---|---|
| G3D Mark Score | 331 | 341+3% |
| Architecture | GCN 1.0 | TeraScale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 1792+273% | 480 |
| Compute (TFLOPS) | 2.867 TFLOPS+398% | 0.576 TFLOPS |
| ROPs | 32+300% | 8 |
| TMUs | 112+367% | 24 |
| L1 Cache | 448 KB+833% | 48 KB |
| L2 Cache | 768 KB+200% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7540D | Radeon HD 6620G |
|---|---|---|
| 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 GDDR5. Bus width: 128-bit vs 128-bit. L2 Cache: 768 KB (Radeon HD 7540D) vs 256 KB (Radeon HD 6620G) — the Radeon HD 7540D has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7540D | Radeon HD 6620G |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 768 KB+200% | 256 KB |
Power & Dimensions
The Radeon HD 7540D draws 200W versus the Radeon HD 6620G's 45W — a 126.5% difference. The Radeon HD 6620G is more power-efficient. Recommended PSU: 350W (Radeon HD 7540D) vs 350W (Radeon HD 6620G). Power connectors: None vs 1x 6-pin.
| Feature | Radeon HD 7540D | Radeon HD 6620G |
|---|---|---|
| TDP | 200W | 45W-78% |
| Recommended PSU | 350W | 350W |
| Power Connector | None | 1x 6-pin |
| Temp (Load) | — | 75°C |
| Perf/Watt | 1.7 | 7.6+347% |
Value Analysis
The Radeon HD 7540D launched at $67 MSRP and currently averages $5, while the Radeon HD 6620G launched at $50 and now averages $10. The Radeon HD 7540D costs 50% less ($5 savings) at current market prices. Performance per dollar (G3D Mark / price): 66.2 (Radeon HD 7540D) vs 34.1 (Radeon HD 6620G) — the Radeon HD 7540D offers 94.1% better value. The Radeon HD 7540D is the newer GPU (2012 vs 2011).
| Feature | Radeon HD 7540D | Radeon HD 6620G |
|---|---|---|
| MSRP | $67 | $50-25% |
| Avg Price (30d) | $5-50% | $10 |
| Performance per Dollar | 66.2+94% | 34.1 |
| Codename | Tahiti | Onega |
| Release | January 31 2012 | April 19 2011 |
| Ranking | #454 | #926 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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