Radeon R3 vs Radeon HD 7420G
Radeon R3
Popular choices:
Radeon HD 7420G
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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 R3 is positioned at rank 438 and the Radeon HD 7420G is on rank 158, so the Radeon HD 7420G offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon R3
Performance Per Dollar Radeon HD 7420G
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon R3 is significantly newer (2019 vs 2013). The Radeon R3 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 7420G lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon HD 7420G 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 R3.
| Insight | Radeon R3 | Radeon HD 7420G |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.6%) | ✅Leading raw performance (+0.6%) |
| Longevity | GCN 4.0 (2016−2020) (14nm) | 🛑Obsolete Architecture (2013 / 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 7420G offers a compelling cost-to-performance ratio. Priced at $5 versus $50 for the Radeon R3, it costs 90% less. While it maintains basic entry-level capabilities, this results in a 906.4% higher cost efficiency score.
| Insight | Radeon R3 | Radeon HD 7420G |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+906.4%) |
| Upfront Cost | ⚠️Higher upfront cost ($50) | ✅More affordable ($5) |
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 R3 and Radeon HD 7420G
Radeon R3
The Radeon R3 is manufactured by AMD. It was released in May 13 2019. It features the GCN 4.0 architecture. The core clock ranges from 1082 MHz to 1218 MHz. It has 512 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 314 points.
Radeon HD 7420G
The Radeon HD 7420G is manufactured by AMD. It was released in April 24 2013. It features the GCN 1.0 architecture. The core clock ranges from 950 MHz to 1000 MHz. It has 2048 ×2 shading units. The thermal design power (TDP) is 375W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 316 points. Launch price was $999.
Graphics Performance
The Radeon R3 scores 314 and the Radeon HD 7420G reaches 316 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The Radeon R3 is built on GCN 4.0 while the Radeon HD 7420G uses GCN 1.0, both on 14 nm vs 28 nm. Shader units: 512 (Radeon R3) vs 2,048 (Radeon HD 7420G). Raw compute: 1.247 TFLOPS (Radeon R3) vs 4.096 TFLOPS ×2 (Radeon HD 7420G). Boost clocks: 1218 MHz vs 1000 MHz.
| Feature | Radeon R3 | Radeon HD 7420G |
|---|---|---|
| G3D Mark Score | 314 | 316 |
| Architecture | GCN 4.0 | GCN 1.0 |
| Process Node | 14 nm | 28 nm |
| Shading Units | 512 | 2048 ×2+300% |
| Compute (TFLOPS) | 1.247 TFLOPS | 4.096 TFLOPS ×2+228% |
| Boost Clock | 1218 MHz+22% | 1000 MHz |
| ROPs | 16 | 32 ×2+100% |
| TMUs | 32 | 128 ×2+300% |
| L1 Cache | 128 KB | 512 KB+300% |
| L2 Cache | 512 KB | 768 KB+50% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R3 | Radeon HD 7420G |
|---|---|---|
| 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: 64-bit vs 128-bit. L2 Cache: 512 KB (Radeon R3) vs 768 KB (Radeon HD 7420G) — the Radeon HD 7420G has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R3 | Radeon HD 7420G |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 512 KB | 768 KB+50% |
Power & Dimensions
The Radeon R3 draws 50W versus the Radeon HD 7420G's 375W — a 152.9% difference. The Radeon R3 is more power-efficient. Recommended PSU: 350W (Radeon R3) vs 350W (Radeon HD 7420G). Power connectors: PCIe-powered vs 1x 6-pin.
| Feature | Radeon R3 | Radeon HD 7420G |
|---|---|---|
| TDP | 50W-87% | 375W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Slots | 0 | — |
| Temp (Load) | 70°C | — |
| Perf/Watt | 6.3+688% | 0.8 |
Value Analysis
The Radeon R3 launched at $50 MSRP and currently averages $50, while the Radeon HD 7420G launched at $40 and now averages $5. The Radeon HD 7420G costs 90% less ($45 savings) at current market prices. Performance per dollar (G3D Mark / price): 6.3 (Radeon R3) vs 63.2 (Radeon HD 7420G) — the Radeon HD 7420G offers 903.2% better value. The Radeon R3 is the newer GPU (2019 vs 2013).
| Feature | Radeon R3 | Radeon HD 7420G |
|---|---|---|
| MSRP | $50 | $40-20% |
| Avg Price (30d) | $50 | $5-90% |
| Performance per Dollar | 6.3 | 63.2+903% |
| Codename | Polaris 23 | Malta |
| Release | May 13 2019 | April 24 2013 |
| Ranking | #757 | #412 |
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