Radeon R5E vs Radeon HD 7420G
Radeon R5E
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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
🚀 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 R5E | Radeon HD 7420G |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.3%) | ✅Leading raw performance (+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 | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| 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 R5E | Radeon HD 7420G |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+883.1%) |
| 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 R5E and Radeon HD 7420G
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.
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 R5E scores 315 and the Radeon HD 7420G reaches 316 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The Radeon R5E is built on GCN 1.0 while the Radeon HD 7420G uses GCN 1.0, both on a 28 nm process. Shader units: 512 (Radeon R5E) vs 2,048 (Radeon HD 7420G). Raw compute: 0.8192 TFLOPS (Radeon R5E) vs 4.096 TFLOPS ×2 (Radeon HD 7420G).
| Feature | Radeon R5E | Radeon HD 7420G |
|---|---|---|
| G3D Mark Score | 315 | 316 |
| Architecture | GCN 1.0 | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 512 | 2048 ×2+300% |
| Compute (TFLOPS) | 0.8192 TFLOPS | 4.096 TFLOPS ×2+400% |
| ROPs | 16 | 32 ×2+100% |
| TMUs | 32 | 128 ×2+300% |
| L1 Cache | 128 KB | 512 KB+300% |
| L2 Cache | 256 KB | 768 KB+200% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R5E | 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: 256 KB (Radeon R5E) vs 768 KB (Radeon HD 7420G) — the Radeon HD 7420G has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R5E | Radeon HD 7420G |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 256 KB | 768 KB+200% |
Power & Dimensions
The Radeon R5E draws 15W versus the Radeon HD 7420G's 375W — a 184.6% difference. The Radeon R5E is more power-efficient. Recommended PSU: 0W (Radeon R5E) vs 350W (Radeon HD 7420G). Power connectors: None vs 1x 6-pin.
| Feature | Radeon R5E | Radeon HD 7420G |
|---|---|---|
| TDP | 15W-96% | 375W |
| Recommended PSU | 0W-100% | 350W |
| Power Connector | None | 1x 6-pin |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | — |
| Temp (Load) | 75 | — |
| Perf/Watt | 21.0+2525% | 0.8 |
Value Analysis
The Radeon R5E 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): 6.4 (Radeon R5E) vs 63.2 (Radeon HD 7420G) — the Radeon HD 7420G offers 887.5% better value.
| Feature | Radeon R5E | Radeon HD 7420G |
|---|---|---|
| MSRP | $0-100% | $40 |
| Avg Price (30d) | $49 | $5-90% |
| Performance per Dollar | 6.4 | 63.2+888% |
| Codename | Cape Verde | Malta |
| Release | December 20 2013 | April 24 2013 |
| Ranking | #738 | #412 |
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The most powerful gpus ranked by G3D Mark benchmark scores.
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