Radeon R4E vs GeForce 820M
Radeon R4E
Popular choices:
GeForce 820M
Popular choices:
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 R4E is positioned at rank 235 and the GeForce 820M is on rank 341, 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 Radeon R4E
Performance Per Dollar GeForce 820M
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 | Radeon R4E | GeForce 820M |
|---|---|---|
| Performance | ✅Leading raw performance (+1%) | ❌Lower raw frame rates (-1%) |
| Longevity | 🛑Obsolete Architecture (2017 / GCN 4.0 (2016−2020)) | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+300%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| 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 | Radeon R4E | GeForce 820M |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+51.6%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($20) | ⚠️Higher upfront cost ($30) |
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 R4E and GeForce 820M
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.
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.
Graphics Performance
The Radeon R4E scores 487 and the GeForce 820M reaches 482 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The Radeon R4E is built on GCN 4.0 while the GeForce 820M uses Maxwell, both on 14 nm vs 28 nm. Shader units: 384 (Radeon R4E) vs 384 (GeForce 820M). Raw compute: 0.9085 TFLOPS (Radeon R4E) vs 0.8632 TFLOPS (GeForce 820M). Boost clocks: 1124 MHz vs 1124 MHz.
| Feature | Radeon R4E | GeForce 820M |
|---|---|---|
| G3D Mark Score | 487+1% | 482 |
| Architecture | GCN 4.0 | Maxwell |
| Process Node | 14 nm | 28 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.9085 TFLOPS+5% | 0.8632 TFLOPS |
| Boost Clock | 1124 MHz | 1124 MHz |
| ROPs | 16+100% | 8 |
| TMUs | 24+50% | 16 |
| L1 Cache | 96 KB | 192 KB+100% |
| L2 Cache | 0.5 MB | 1 MB+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R4E | GeForce 820M |
|---|---|---|
| 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 | Standard |
Video Memory (VRAM)
The Radeon R4E comes with 512 MB of VRAM, while the GeForce 820M has 2 GB. The GeForce 820M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 0.5 MB (Radeon R4E) vs 1 MB (GeForce 820M) — the GeForce 820M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R4E | GeForce 820M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 2 GB+300% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 0.5 MB | 1 MB+100% |
Power & Dimensions
The Radeon R4E draws 50W versus the GeForce 820M's 33W — a 41% difference. The GeForce 820M is more power-efficient. Recommended PSU: 350W (Radeon R4E) vs 350W (GeForce 820M). Power connectors: None vs Legacy.
| Feature | Radeon R4E | GeForce 820M |
|---|---|---|
| TDP | 50W | 33W-34% |
| Recommended PSU | 350W | 350W |
| Power Connector | None | Legacy |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | — | 0 |
| Temp (Load) | — | 70°C |
| Perf/Watt | 9.7 | 14.6+51% |
Value Analysis
The Radeon R4E costs 33.3% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 24.4 (Radeon R4E) vs 16.1 (GeForce 820M) — the Radeon R4E offers 51.6% better value. The Radeon R4E is the newer GPU (2017 vs 2014).
| Feature | Radeon R4E | GeForce 820M |
|---|---|---|
| MSRP | $100 | — |
| Avg Price (30d) | $20-33% | $30 |
| Performance per Dollar | 24.4+52% | 16.1 |
| Codename | Lexa | GM108 |
| Release | April 20 2017 | March 12 2014 |
| Ranking | #773 | #854 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
You May Also Compare
Similar GPU comparisons based on Radeon R4E and GeForce 820M
