Radeon R1E vs Radeon HD 7420G
Radeon R1E
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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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Radeon HD 7420G
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon R1E is significantly newer (2023 vs 2013). The Radeon R1E 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 5% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R1E.
| Insight | Radeon R1E | Radeon HD 7420G |
|---|---|---|
| Performance | ❌Lower raw frame rates (-5%) | ✅Leading raw performance (+5%) |
| Longevity | RDNA 2.0 (2020−2025) (5nm) | 🛑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 $49 for the Radeon R1E, it costs 90% less. While it maintains basic entry-level capabilities, this results in a 928.8% higher cost efficiency score.
| Insight | Radeon R1E | Radeon HD 7420G |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+928.8%) |
| Upfront Cost | ⚠️Higher upfront cost ($49) | ✅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 R1E and Radeon HD 7420G
Radeon R1E
The Radeon R1E is manufactured by AMD. It was released in January 3 2023. It features the RDNA 2.0 architecture. The core clock ranges from 400 MHz to 2200 MHz. It has 128 shading units. The thermal design power (TDP) is 15W. Manufactured using 5 nm process technology. It features 2 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 301 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
In G3D Mark, the Radeon R1E scores 301 versus the Radeon HD 7420G's 316 — the Radeon HD 7420G leads by 5%. The Radeon R1E is built on RDNA 2.0 while the Radeon HD 7420G uses GCN 1.0, both on 5 nm vs 28 nm. Shader units: 128 (Radeon R1E) vs 2,048 (Radeon HD 7420G). Raw compute: 0.5632 TFLOPS (Radeon R1E) vs 4.096 TFLOPS ×2 (Radeon HD 7420G). Boost clocks: 2200 MHz vs 1000 MHz.
| Feature | Radeon R1E | Radeon HD 7420G |
|---|---|---|
| G3D Mark Score | 301 | 316+5% |
| Architecture | RDNA 2.0 | GCN 1.0 |
| Process Node | 5 nm | 28 nm |
| Shading Units | 128 | 2048 ×2+1500% |
| Compute (TFLOPS) | 0.5632 TFLOPS | 4.096 TFLOPS ×2+627% |
| Boost Clock | 2200 MHz+120% | 1000 MHz |
| ROPs | 4 | 32 ×2+700% |
| TMUs | 8 | 128 ×2+1500% |
| L1 Cache | 32 KB | 512 KB+1500% |
| L2 Cache | 2 MB+167% | 0.75 MB |
Advanced Features (DLSS/FSR)
| Feature | Radeon R1E | 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: 2 MB (Radeon R1E) vs 0.75 MB (Radeon HD 7420G) — the Radeon R1E has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R1E | Radeon HD 7420G |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 2 MB+167% | 0.75 MB |
Power & Dimensions
The Radeon R1E draws 15W versus the Radeon HD 7420G's 375W — a 184.6% difference. The Radeon R1E is more power-efficient. Recommended PSU: 350W (Radeon R1E) vs 350W (Radeon HD 7420G). Power connectors: PCIe-powered vs 1x 6-pin.
| Feature | Radeon R1E | Radeon HD 7420G |
|---|---|---|
| TDP | 15W-96% | 375W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Slots | 0 | — |
| Temp (Load) | 75 | — |
| Perf/Watt | 20.1+2413% | 0.8 |
Value Analysis
The Radeon R1E launched at $0 MSRP and currently averages $49, while the Radeon HD 7420G launched at $40 and now averages $5. The Radeon HD 7420G costs 89.8% less ($44 savings) at current market prices. Performance per dollar (G3D Mark / price): 6.1 (Radeon R1E) vs 63.2 (Radeon HD 7420G) — the Radeon HD 7420G offers 936.1% better value. The Radeon R1E is the newer GPU (2023 vs 2013).
| Feature | Radeon R1E | Radeon HD 7420G |
|---|---|---|
| MSRP | $0-100% | $40 |
| Avg Price (30d) | $49 | $5-90% |
| Performance per Dollar | 6.1 | 63.2+936% |
| Codename | Dragon Range | Malta |
| Release | January 3 2023 | April 24 2013 |
| Ranking | #843 | #412 |
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