CPU
GPU
Radeon HD 4650
Popular choices:
Radeon HD 6450A
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 is positioned at rank 275 and the Radeon HD 6450A is on rank 492, so the Radeon HD 4650 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
Performance Per Dollar Radeon HD 6450A
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 6450A is the superior choice for raw performance. It leads with a 4.8% higher G3D Mark score. However, the Radeon HD 4650 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon HD 4650 | Radeon HD 6450A |
|---|---|---|
| Performance | ❌Lower raw frame rates (-4.8%) | ✅Leading raw performance (+4.8%) |
| Longevity | 🛑Obsolete Architecture (2010 / TeraScale 3 (2010−2013)) | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The Radeon HD 6450A offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 6450A holds the technical lead. Priced at $15 (vs $15), it costs 0% less, resulting in a 4.8% higher cost efficiency score.
| Insight | Radeon HD 4650 | Radeon HD 6450A |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+4.8%) |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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.
Path of Exile 2
Counter-Strike 2
Technical Specifications
Side-by-side comparison of Radeon HD 4650 and Radeon HD 6450A
Radeon HD 4650
The Radeon HD 4650 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: 248 points. Launch price was $299.
Radeon HD 6450A
The Radeon HD 6450A 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: 260 points.
Graphics Performance
The Radeon HD 4650 scores 248 and the Radeon HD 6450A reaches 260 in the G3D Mark benchmark — just a 4.8% difference, making them near-identical in rasterization performance. The Radeon HD 4650 is built on TeraScale 3 while the Radeon HD 6450A uses TeraScale 2, both on a 40 nm process. Shader units: 1,408 (Radeon HD 4650) vs 480 (Radeon HD 6450A). Raw compute: 2.253 TFLOPS (Radeon HD 4650) vs 0.576 TFLOPS (Radeon HD 6450A).
| Feature | Radeon HD 4650 | Radeon HD 6450A |
|---|---|---|
| G3D Mark Score | 248 | 260+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 4650 | Radeon HD 6450A |
|---|---|---|
| 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)
The Radeon HD 4650 comes with 1 GB of VRAM, while the Radeon HD 6450A has 512 MB. The Radeon HD 4650 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 512 KB (Radeon HD 4650) vs 256 KB (Radeon HD 6450A) — the Radeon HD 4650 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 4650 | Radeon HD 6450A |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Power & Dimensions
The Radeon HD 4650 draws 200W versus the Radeon HD 6450A's 45W — a 126.5% difference. The Radeon HD 6450A is more power-efficient. Recommended PSU: 350W (Radeon HD 4650) vs 350W (Radeon HD 6450A). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 4650 | Radeon HD 6450A |
|---|---|---|
| TDP | 200W | 45W-78% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | 168mm | — |
| Slots | 1 | — |
| Perf/Watt | 1.2 | 5.8+383% |
Value Analysis
The Radeon HD 4650 launched at $70 MSRP and currently averages $15, while the Radeon HD 6450A launched at $55 and now averages $15. Performance per dollar (G3D Mark / price): 16.5 (Radeon HD 4650) vs 17.3 (Radeon HD 6450A) — the Radeon HD 6450A offers 4.8% better value. The Radeon HD 6450A is the newer GPU (2011 vs 2010).
| Feature | Radeon HD 4650 | Radeon HD 6450A |
|---|---|---|
| MSRP | $70 | $55-21% |
| Avg Price (30d) | $15 | $15 |
| Performance per Dollar | 16.5 | 17.3+5% |
| 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.
You May Also Compare
Similar GPU comparisons based on Radeon HD 4650 and Radeon HD 6450A
