CPU
GPU
Radeon HD 4650 AGP
Popular choices:
Radeon HD 6450
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 Radeon HD 4650 AGP is positioned at rank 607 and the Radeon HD 6450 is on rank 270, 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 4650 AGP
Performance Per Dollar Radeon HD 6450
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 4650 AGP | Radeon HD 6450 |
|---|---|---|
| Performance | ✅Leading raw performance (+5.1%) | ❌Lower raw frame rates (-5.1%) |
| Longevity | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2010 / TeraScale 3 (2010−2013)) |
| 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 | 📏 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 4650 AGP | Radeon HD 6450 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+188.9%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($20) | ⚠️Higher upfront cost ($55) |
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 4650 AGP and Radeon HD 6450
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.
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.
Graphics Performance
In G3D Mark, the Radeon HD 4650 AGP scores 208 versus the Radeon HD 6450's 198 — the Radeon HD 4650 AGP leads by 5.1%. The Radeon HD 4650 AGP is built on TeraScale 2 while the Radeon HD 6450 uses TeraScale 3, both on a 40 nm process. Shader units: 480 (Radeon HD 4650 AGP) vs 1,408 (Radeon HD 6450). Raw compute: 0.576 TFLOPS (Radeon HD 4650 AGP) vs 2.253 TFLOPS (Radeon HD 6450).
| Feature | Radeon HD 4650 AGP | Radeon HD 6450 |
|---|---|---|
| G3D Mark Score | 208+5% | 198 |
| Architecture | TeraScale 2 | TeraScale 3 |
| Process Node | 40 nm | 40 nm |
| Shading Units | 480 | 1408+193% |
| Compute (TFLOPS) | 0.576 TFLOPS | 2.253 TFLOPS+291% |
| ROPs | 8 | 32+300% |
| TMUs | 24 | 88+267% |
| L1 Cache | 48 KB | 352 KB+633% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 4650 AGP | Radeon HD 6450 |
|---|---|---|
| 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: 256 KB (Radeon HD 4650 AGP) vs 512 KB (Radeon HD 6450) — the Radeon HD 6450 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 4650 AGP | Radeon HD 6450 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 256 KB | 512 KB+100% |
Display & API Support
DirectX support: 10.1 (Radeon HD 4650 AGP) vs 11.2 (Radeon HD 6450). Maximum simultaneous displays: 2 vs 2.
| Feature | Radeon HD 4650 AGP | Radeon HD 6450 |
|---|---|---|
| DirectX | 10.1 | 11.2+11% |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: UVD 2 (Radeon HD 4650 AGP) vs UVD 3.1 (Radeon HD 6450). Decoder: UVD 2 vs UVD 3.1.
| Feature | Radeon HD 4650 AGP | Radeon HD 6450 |
|---|---|---|
| Encoder | UVD 2 | UVD 3.1 |
| Decoder | UVD 2 | UVD 3.1 |
| Codecs | — | H.264,MPEG-2,VC-1 |
Power & Dimensions
The Radeon HD 4650 AGP draws 45W versus the Radeon HD 6450's 200W — a 126.5% difference. The Radeon HD 4650 AGP is more power-efficient. Recommended PSU: 350W (Radeon HD 4650 AGP) vs 350W (Radeon HD 6450). Power connectors: 1x 6-pin vs 1x 6-pin. Card length: 193mm vs 168mm, occupying 1 vs 1 slots.
| Feature | Radeon HD 4650 AGP | Radeon HD 6450 |
|---|---|---|
| TDP | 45W-78% | 200W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | 193mm | 168mm |
| Height | — | 69mm |
| Slots | 1 | 1 |
| Temp (Load) | — | 70°C |
| Perf/Watt | 4.6+360% | 1.0 |
Value Analysis
The Radeon HD 4650 AGP launched at $80 MSRP and currently averages $20, while the Radeon HD 6450 launched at $55 and now averages $55. The Radeon HD 4650 AGP costs 63.6% less ($35 savings) at current market prices. Performance per dollar (G3D Mark / price): 10.4 (Radeon HD 4650 AGP) vs 3.6 (Radeon HD 6450) — 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 4650 AGP | Radeon HD 6450 |
|---|---|---|
| MSRP | $80 | $55-31% |
| Avg Price (30d) | $20-64% | $55 |
| Performance per Dollar | 10.4+189% | 3.6 |
| Codename | Onega | Cayman |
| Release | April 19 2011 | December 14 2010 |
| Ranking | #926 | #623 |
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