
Radeon RX Vega 11 vs Radeon 820M

Radeon RX Vega 11
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Radeon 820M
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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 820M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon 820M is significantly newer (2024 vs 2018). The Radeon 820M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon RX Vega 11 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon 820M is the superior choice for raw performance. It leads with a 2.3% higher G3D Mark score and 100+% more VRAM (2 GB vs 0 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon RX Vega 11.
| Insight | Radeon RX Vega 11 | Radeon 820M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.3%) | ✅Leading raw performance (+2.3%) |
| Longevity | 🛑Obsolete Architecture (2018 / GCN 5.0 (2017−2020)) | RDNA 3+ (2024) (4nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100+%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Radeon 820M offers a compelling cost-to-performance ratio. Priced at $25 versus $50 for the Radeon RX Vega 11, it costs 50% less. While it maintains basic entry-level capabilities, this results in a 104.7% higher cost efficiency score.
| Insight | Radeon RX Vega 11 | Radeon 820M |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+104.7%) |
| Upfront Cost | ⚠️Higher upfront cost ($50) | ✅More affordable ($25) |
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 RX Vega 11 and Radeon 820M

Radeon RX Vega 11
The Radeon RX Vega 11 is manufactured by AMD. It was released in May 10 2018. It features the GCN 5.0 architecture. The core clock ranges from 300 MHz to 1251 MHz. It has 704 shading units. The thermal design power (TDP) is 35W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 2,094 points.

Radeon 820M
The Radeon 820M is manufactured by AMD. It was released in June 2 2024. It features the RDNA 3+ architecture. The boost clock speed is 2900 MHz. It has 128 shading units. The thermal design power (TDP) is 30W. Manufactured using 4 nm process technology. G3D Mark benchmark score: 2,143 points.
Graphics Performance
The Radeon RX Vega 11 scores 2,094 and the Radeon 820M reaches 2,143 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The Radeon RX Vega 11 is built on GCN 5.0 while the Radeon 820M uses RDNA 3+, both on 14 nm vs 4 nm. Shader units: 704 (Radeon RX Vega 11) vs 128 (Radeon 820M). Boost clocks: 1251 MHz vs 2900 MHz.
| Feature | Radeon RX Vega 11 | Radeon 820M |
|---|---|---|
| G3D Mark Score | 2,094 | 2,143+2% |
| Architecture | GCN 5.0 | RDNA 3+ |
| Process Node | 14 nm | 4 nm |
| Shading Units | 704+450% | 128 |
| Boost Clock | 1251 MHz | 2900 MHz+132% |
Advanced Features (DLSS/FSR)
| Feature | Radeon RX Vega 11 | Radeon 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 | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon RX Vega 11 comes with 0 MB of VRAM, while the Radeon 820M has 2 GB. The Radeon 820M offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs System.
| Feature | Radeon RX Vega 11 | Radeon 820M |
|---|---|---|
| VRAM Capacity | 0 GB | 2 GB |
| Memory Type | Shared | Shared |
| Memory Bandwidth | System | System |
| Bus Width | System | System |
Display & API Support
DirectX support: 12 (12_1) (Radeon RX Vega 11) vs 12 Ultimate (Radeon 820M). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 4.
| Feature | Radeon RX Vega 11 | Radeon 820M |
|---|---|---|
| DirectX | 12 (12_1) | 12 Ultimate |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 3 | 4+33% |
Media & Encoding
Hardware encoder: VCE 3.0 (Radeon RX Vega 11) vs VCN 4.0 (Radeon 820M). Decoder: UVD 7.0 vs VCN 4.0. Supported codecs: H.264,H.265 (Radeon RX Vega 11) vs H.264,H.265,AV1,VP9 (Radeon 820M).
| Feature | Radeon RX Vega 11 | Radeon 820M |
|---|---|---|
| Encoder | VCE 3.0 | VCN 4.0 |
| Decoder | UVD 7.0 | VCN 4.0 |
| Codecs | H.264,H.265 | H.264,H.265,AV1,VP9 |
Power & Dimensions
The Radeon RX Vega 11 draws 35W versus the Radeon 820M's 30W — a 15.4% difference. The Radeon 820M is more power-efficient. Recommended PSU: 300W (Radeon RX Vega 11) vs 350W (Radeon 820M). Power connectors: None vs PCIe-powered. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 75 vs 80.
| Feature | Radeon RX Vega 11 | Radeon 820M |
|---|---|---|
| TDP | 35W | 30W-14% |
| Recommended PSU | 300W-14% | 350W |
| Power Connector | None | PCIe-powered |
| Length | 0mm | 0mm |
| Height | 0mm | 0mm |
| Slots | 0 | 0 |
| Temp (Load) | 75-6% | 80 |
| Perf/Watt | 59.8 | 71.4+19% |
Value Analysis
The Radeon 820M costs 50% less ($25 savings) at current market prices. Performance per dollar (G3D Mark / price): 41.9 (Radeon RX Vega 11) vs 85.7 (Radeon 820M) — the Radeon 820M offers 104.5% better value. The Radeon 820M is the newer GPU (2024 vs 2018).
| Feature | Radeon RX Vega 11 | Radeon 820M |
|---|---|---|
| MSRP | $149 | — |
| Avg Price (30d) | $50 | $25-50% |
| Performance per Dollar | 41.9 | 85.7+105% |
| Codename | Raven | Krackan Point |
| Release | May 10 2018 | June 2 2024 |
| Ranking | #673 | #669 |
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