GeForce 820M vs Radeon R4E
GeForce 820M
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Radeon R4E
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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 GeForce 820M is positioned at rank 341 and the Radeon R4E is on rank 235, so the Radeon R4E offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce 820M
Performance Per Dollar Radeon R4E
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R4E is the superior choice for raw performance. It leads with a 1% higher G3D Mark score. However, the GeForce 820M offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce 820M | Radeon R4E |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1%) | ✅Leading raw performance (+1%) |
| Longevity | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) | 🛑Obsolete Architecture (2017 / GCN 4.0 (2016−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+300%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
The Radeon R4E offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R4E holds the technical lead. Priced at $20 (vs $30), it costs 33% less, resulting in a 51.6% higher cost efficiency score.
| Insight | GeForce 820M | Radeon R4E |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+51.6%) |
| Upfront Cost | ⚠️Higher upfront cost ($30) | ✅More affordable ($20) |
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 GeForce 820M and Radeon R4E
GeForce 820M
The GeForce 820M is manufactured by NVIDIA. It was released in March 12 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 482 points.
Radeon R4E
The Radeon R4E is manufactured by AMD. It was released in April 20 2017. It features the GCN 4.0 architecture. The core clock ranges from 1183 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 487 points. Launch price was $79.
Graphics Performance
The GeForce 820M scores 482 and the Radeon R4E reaches 487 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The GeForce 820M is built on Maxwell while the Radeon R4E uses GCN 4.0, both on 28 nm vs 14 nm. Shader units: 384 (GeForce 820M) vs 384 (Radeon R4E). Raw compute: 0.8632 TFLOPS (GeForce 820M) vs 0.9085 TFLOPS (Radeon R4E). Boost clocks: 1124 MHz vs 1124 MHz.
| Feature | GeForce 820M | Radeon R4E |
|---|---|---|
| G3D Mark Score | 482 | 487+1% |
| Architecture | Maxwell | GCN 4.0 |
| Process Node | 28 nm | 14 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.8632 TFLOPS | 0.9085 TFLOPS+5% |
| Boost Clock | 1124 MHz | 1124 MHz |
| ROPs | 8 | 16+100% |
| TMUs | 16 | 24+50% |
| L1 Cache | 192 KB+100% | 96 KB |
| L2 Cache | 1 MB+100% | 0.5 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce 820M | Radeon R4E |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce 820M comes with 2 GB of VRAM, while the Radeon R4E has 512 MB. The GeForce 820M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 1 MB (GeForce 820M) vs 0.5 MB (Radeon R4E) — the GeForce 820M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 820M | Radeon R4E |
|---|---|---|
| VRAM Capacity | 2 GB+300% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 1 MB+100% | 0.5 MB |
Power & Dimensions
The GeForce 820M draws 33W versus the Radeon R4E's 50W — a 41% difference. The GeForce 820M is more power-efficient. Recommended PSU: 350W (GeForce 820M) vs 350W (Radeon R4E). Power connectors: Legacy vs None.
| Feature | GeForce 820M | Radeon R4E |
|---|---|---|
| TDP | 33W-34% | 50W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | None |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | — |
| Temp (Load) | 70°C | — |
| Perf/Watt | 14.6+51% | 9.7 |
Value Analysis
The Radeon R4E costs 33.3% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 16.1 (GeForce 820M) vs 24.4 (Radeon R4E) — the Radeon R4E offers 51.6% better value. The Radeon R4E is the newer GPU (2017 vs 2014).
| Feature | GeForce 820M | Radeon R4E |
|---|---|---|
| MSRP | — | $100 |
| Avg Price (30d) | $30 | $20-33% |
| Performance per Dollar | 16.1 | 24.4+52% |
| Codename | GM108 | Lexa |
| Release | March 12 2014 | April 20 2017 |
| Ranking | #854 | #773 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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