CPU
GPU
Radeon R5 M420
Popular choices:
Radeon HD 8650G
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 R5 M420 is positioned at rank 663 and the Radeon HD 8650G is on rank 125, so the Radeon HD 8650G offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon R5 M420
Performance Per Dollar Radeon HD 8650G
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R5 M420 is the superior choice for raw performance. It leads with a 0.6% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 8650G.
| Insight | Radeon R5 M420 | Radeon HD 8650G |
|---|---|---|
| Performance | ✅Leading raw performance (+0.6%) | ❌Lower raw frame rates (-0.6%) |
| Longevity | 🛑Obsolete Architecture (2016 / GCN 2.0 (2013−2017)) | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) |
| 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
The Radeon HD 8650G offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 8650G holds the technical lead. Priced at $50 (vs $300), it costs 83% less, resulting in a 496.4% higher cost efficiency score.
| Insight | Radeon R5 M420 | Radeon HD 8650G |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+496.4%) |
| Upfront Cost | ⚠️Higher upfront cost ($300) | ✅More affordable ($50) |
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 R5 M420 and Radeon HD 8650G
Radeon R5 M420
The Radeon R5 M420 is manufactured by AMD. It was released in May 15 2016. It features the GCN 2.0 architecture. The core clock ranges from 900 MHz to 1000 MHz. It has 768 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 504 points.
Radeon HD 8650G
The Radeon HD 8650G is manufactured by AMD. It was released in March 5 2012. It features the GCN 1.0 architecture. The boost clock speed is 1000 MHz. It has 1024 shading units. The thermal design power (TDP) is 130W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 501 points. Launch price was $249.
Graphics Performance
The Radeon R5 M420 scores 504 and the Radeon HD 8650G reaches 501 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The Radeon R5 M420 is built on GCN 2.0 while the Radeon HD 8650G uses GCN 1.0, both on a 28 nm process. Shader units: 768 (Radeon R5 M420) vs 1,024 (Radeon HD 8650G). Raw compute: 1.536 TFLOPS (Radeon R5 M420) vs 1.761 TFLOPS (Radeon HD 8650G). Boost clocks: 1000 MHz vs 1000 MHz.
| Feature | Radeon R5 M420 | Radeon HD 8650G |
|---|---|---|
| G3D Mark Score | 504 | 501 |
| Architecture | GCN 2.0 | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 768 | 1024+33% |
| Compute (TFLOPS) | 1.536 TFLOPS | 1.761 TFLOPS+15% |
| Boost Clock | 1000 MHz | 1000 MHz |
| ROPs | 16 | 32+100% |
| TMUs | 48 | 64+33% |
| L1 Cache | 192 KB | 256 KB+33% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R5 M420 | Radeon HD 8650G |
|---|---|---|
| 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 R5 M420) vs 512 KB (Radeon HD 8650G) — the Radeon HD 8650G has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R5 M420 | Radeon HD 8650G |
|---|---|---|
| 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% |
Power & Dimensions
The Radeon R5 M420 draws 75W versus the Radeon HD 8650G's 130W — a 53.7% difference. The Radeon R5 M420 is more power-efficient. Recommended PSU: 350W (Radeon R5 M420) vs 350W (Radeon HD 8650G). Power connectors: Mobile vs 1x 6-pin.
| Feature | Radeon R5 M420 | Radeon HD 8650G |
|---|---|---|
| TDP | 75W-42% | 130W |
| Recommended PSU | 350W | 350W |
| Power Connector | Mobile | 1x 6-pin |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | — |
| Temp (Load) | 80 | — |
| Perf/Watt | 6.7+72% | 3.9 |
Value Analysis
The Radeon R5 M420 launched at $300 MSRP and currently averages $300, while the Radeon HD 8650G launched at $50 and now averages $50. The Radeon HD 8650G costs 83.3% less ($250 savings) at current market prices. Performance per dollar (G3D Mark / price): 1.7 (Radeon R5 M420) vs 10.0 (Radeon HD 8650G) — the Radeon HD 8650G offers 488.2% better value. The Radeon R5 M420 is the newer GPU (2016 vs 2012).
| Feature | Radeon R5 M420 | Radeon HD 8650G |
|---|---|---|
| MSRP | $300 | $50-83% |
| Avg Price (30d) | $300 | $50-83% |
| Performance per Dollar | 1.7 | 10.0+488% |
| Codename | Emerald | Pitcairn |
| Release | May 15 2016 | March 5 2012 |
| Ranking | #649 | #503 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
You May Also Compare
Similar GPU comparisons based on Radeon R5 M420 and Radeon HD 8650G
