Radeon HD 6450 vs Radeon HD 4650 AGP
Radeon HD 6450
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Radeon HD 4650 AGP
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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 6450 is positioned at rank 270 and the Radeon HD 4650 AGP is on rank 607, so the Radeon HD 6450 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 6450
Performance Per Dollar Radeon HD 4650 AGP
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 4650 AGP is the superior choice for raw performance. It leads with a 5.1% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 6450.
| Insight | Radeon HD 6450 | Radeon HD 4650 AGP |
|---|---|---|
| Performance | ❌Lower raw frame rates (-5.1%) | ✅Leading raw performance (+5.1%) |
| Longevity | 🛑Obsolete Architecture (2010 / TeraScale 3 (2010−2013)) | 🛑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 | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The Radeon HD 4650 AGP offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 4650 AGP holds the technical lead. Priced at $20 (vs $55), it costs 64% less, resulting in a 188.9% higher cost efficiency score.
| Insight | Radeon HD 6450 | Radeon HD 4650 AGP |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+188.9%) |
| Upfront Cost | ⚠️Higher upfront cost ($55) | ✅More affordable ($20) |
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 6450 and Radeon HD 4650 AGP
Radeon HD 6450
The Radeon HD 6450 is manufactured by AMD. It was released in December 14 2010. It features the TeraScale 3 architecture. The boost clock speed is 800 MHz. It has 1408 shading units. The thermal design power (TDP) is 200W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 198 points. Launch price was $299.
Radeon HD 4650 AGP
The Radeon HD 4650 AGP 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: 208 points.
Graphics Performance
In G3D Mark, the Radeon HD 6450 scores 198 versus the Radeon HD 4650 AGP's 208 — the Radeon HD 4650 AGP leads by 5.1%. The Radeon HD 6450 is built on TeraScale 3 while the Radeon HD 4650 AGP uses TeraScale 2, both on a 40 nm process. Shader units: 1,408 (Radeon HD 6450) vs 480 (Radeon HD 4650 AGP). Raw compute: 2.253 TFLOPS (Radeon HD 6450) vs 0.576 TFLOPS (Radeon HD 4650 AGP).
| Feature | Radeon HD 6450 | Radeon HD 4650 AGP |
|---|---|---|
| G3D Mark Score | 198 | 208+5% |
| Architecture | TeraScale 3 | TeraScale 2 |
| Process Node | 40 nm | 40 nm |
| Shading Units | 1408+193% | 480 |
| Compute (TFLOPS) | 2.253 TFLOPS+291% | 0.576 TFLOPS |
| ROPs | 32+300% | 8 |
| TMUs | 88+267% | 24 |
| L1 Cache | 352 KB+633% | 48 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6450 | Radeon HD 4650 AGP |
|---|---|---|
| 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: 512 KB (Radeon HD 6450) vs 256 KB (Radeon HD 4650 AGP) — the Radeon HD 6450 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6450 | Radeon HD 4650 AGP |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Display & API Support
DirectX support: 11.2 (Radeon HD 6450) vs 10.1 (Radeon HD 4650 AGP). Maximum simultaneous displays: 2 vs 2.
| Feature | Radeon HD 6450 | Radeon HD 4650 AGP |
|---|---|---|
| DirectX | 11.2+11% | 10.1 |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: UVD 3.1 (Radeon HD 6450) vs UVD 2 (Radeon HD 4650 AGP). Decoder: UVD 3.1 vs UVD 2.
| Feature | Radeon HD 6450 | Radeon HD 4650 AGP |
|---|---|---|
| Encoder | UVD 3.1 | UVD 2 |
| Decoder | UVD 3.1 | UVD 2 |
| Codecs | H.264,MPEG-2,VC-1 | — |
Power & Dimensions
The Radeon HD 6450 draws 200W versus the Radeon HD 4650 AGP's 45W — a 126.5% difference. The Radeon HD 4650 AGP is more power-efficient. Recommended PSU: 350W (Radeon HD 6450) vs 350W (Radeon HD 4650 AGP). Power connectors: 1x 6-pin vs 1x 6-pin. Card length: 168mm vs 193mm, occupying 1 vs 1 slots.
| Feature | Radeon HD 6450 | Radeon HD 4650 AGP |
|---|---|---|
| TDP | 200W | 45W-78% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | 168mm | 193mm |
| Height | 69mm | — |
| Slots | 1 | 1 |
| Temp (Load) | 70°C | — |
| Perf/Watt | 1.0 | 4.6+360% |
Value Analysis
The Radeon HD 6450 launched at $55 MSRP and currently averages $55, while the Radeon HD 4650 AGP launched at $80 and now averages $20. The Radeon HD 4650 AGP costs 63.6% less ($35 savings) at current market prices. Performance per dollar (G3D Mark / price): 3.6 (Radeon HD 6450) vs 10.4 (Radeon HD 4650 AGP) — the Radeon HD 4650 AGP offers 188.9% better value. The Radeon HD 4650 AGP is the newer GPU (2011 vs 2010).
| Feature | Radeon HD 6450 | Radeon HD 4650 AGP |
|---|---|---|
| MSRP | $55-31% | $80 |
| Avg Price (30d) | $55 | $20-64% |
| Performance per Dollar | 3.6 | 10.4+189% |
| Codename | Cayman | Onega |
| Release | December 14 2010 | April 19 2011 |
| Ranking | #623 | #926 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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