Radeon HD 7420G vs Radeon R5E
Radeon HD 7420G
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Radeon R5E
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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. The Radeon HD 7420G is positioned at rank #158 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 Radeon HD 7420G
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 7420G is the superior choice for raw performance. It leads with a 0.3% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R5E.
| Insight | Radeon HD 7420G | Radeon R5E |
|---|---|---|
| Performance | ✅Leading raw performance (+0.3%) | ❌Lower raw frame rates (-0.3%) |
| Longevity | 🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Radeon HD 7420G offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 7420G holds the technical lead. Priced at $5 (vs $49), it costs 90% less, resulting in a 883.1% higher cost efficiency score.
| Insight | Radeon HD 7420G | Radeon R5E |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+883.1%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($5) | ⚠️Higher upfront cost ($49) |
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 7420G and Radeon R5E
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.
Radeon R5E
The Radeon R5E is manufactured by AMD. It was released in December 20 2013. It features the GCN 1.0 architecture. The core clock speed is 800 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 315 points. Launch price was $109.
Graphics Performance
The Radeon HD 7420G scores 316 and the Radeon R5E reaches 315 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The Radeon HD 7420G is built on GCN 1.0 while the Radeon R5E uses GCN 1.0, both on a 28 nm process. Shader units: 2,048 (Radeon HD 7420G) vs 512 (Radeon R5E). Raw compute: 4.096 TFLOPS ×2 (Radeon HD 7420G) vs 0.8192 TFLOPS (Radeon R5E).
| Feature | Radeon HD 7420G | Radeon R5E |
|---|---|---|
| G3D Mark Score | 316 | 315 |
| Architecture | GCN 1.0 | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 2048 ×2+300% | 512 |
| Compute (TFLOPS) | 4.096 TFLOPS ×2+400% | 0.8192 TFLOPS |
| ROPs | 32 ×2+100% | 16 |
| TMUs | 128 ×2+300% | 32 |
| L1 Cache | 512 KB+300% | 128 KB |
| L2 Cache | 768 KB+200% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7420G | Radeon R5E |
|---|---|---|
| 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 64-bit. L2 Cache: 768 KB (Radeon HD 7420G) vs 256 KB (Radeon R5E) — the Radeon HD 7420G has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7420G | Radeon R5E |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 768 KB+200% | 256 KB |
Power & Dimensions
The Radeon HD 7420G draws 375W versus the Radeon R5E's 15W — a 184.6% difference. The Radeon R5E is more power-efficient. Recommended PSU: 350W (Radeon HD 7420G) vs 0W (Radeon R5E). Power connectors: 1x 6-pin vs None.
| Feature | Radeon HD 7420G | Radeon R5E |
|---|---|---|
| TDP | 375W | 15W-96% |
| Recommended PSU | 350W | 0W-100% |
| Power Connector | 1x 6-pin | None |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | — | 0 |
| Temp (Load) | — | 75 |
| Perf/Watt | 0.8 | 21.0+2525% |
Value Analysis
The Radeon HD 7420G launched at $40 MSRP and currently averages $5, while the Radeon R5E launched at $0 and now averages $49. The Radeon HD 7420G costs 89.8% less ($44 savings) at current market prices. Performance per dollar (G3D Mark / price): 63.2 (Radeon HD 7420G) vs 6.4 (Radeon R5E) — the Radeon HD 7420G offers 887.5% better value.
| Feature | Radeon HD 7420G | Radeon R5E |
|---|---|---|
| MSRP | $40 | $0-100% |
| Avg Price (30d) | $5-90% | $49 |
| Performance per Dollar | 63.2+888% | 6.4 |
| Codename | Malta | Cape Verde |
| Release | April 24 2013 | December 20 2013 |
| Ranking | #412 | #738 |
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