
Radeon 820M

Radeon RX Vega 11 Ryzen 5 3400G
Radeon 820M vs Radeon RX Vega 11 Ryzen 5 3400G Performance Spectrum
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.
Radeon 820M vs Radeon RX Vega 11 Ryzen 5 3400G FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Apex Legends

Call of Duty: Black Ops 6

Cyberpunk 2077

Elden Ring

Euro Truck Simulator 2
Radeon 820M vs Radeon RX Vega 11 Ryzen 5 3400G: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Radeon 820M
2024Why buy it
- ✅100+% more VRAM for high-resolution textures and newer games (2 GB vs Unknown).
- ✅Better long-term bet: RDNA 3+ (2024) on 4nm gives it a newer hardware base for upcoming games.
- ✅More future proof: RDNA 3+ (2024) on 4nm with a newer platform for upcoming games.
Trade-offs
- ❌Lower average FPS than Radeon RX Vega 11 Ryzen 5 3400G across 31 tracked games in our benchmark data.
- ❌100% higher power demand at 30W vs 15W.
Radeon RX Vega 11 Ryzen 5 3400G
2020Why buy it
- ✅1.5% more average FPS across 31 tracked games in our benchmark data.
- ✅Draws 15W instead of 30W, a 15W reduction.
Trade-offs
- ❌Less VRAM, with Unknown vs 2 GB for high-resolution textures and newer games.
- ❌2020 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Quick Answers
Which GPU is faster for gaming right now?
Which GPU is the safer long-term pick for 2026 and beyond?
Which GPU is the better buy today?
Radeon 820M vs Radeon RX Vega 11 Ryzen 5 3400G Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.


Radeon RX Vega 11 Ryzen 5 3400G
The Radeon RX Vega 11 Ryzen 5 3400G is manufactured by AMD. It was released in January 7 2020. It features the Vega architecture. The boost clock speed is 2100 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 2,145 points.
Graphics Performance
The Radeon 820M scores 2,143 and the Radeon RX Vega 11 Ryzen 5 3400G reaches 2,145 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Radeon 820M is built on RDNA 3+ while the Radeon RX Vega 11 Ryzen 5 3400G uses Vega, both on 4 nm vs 7 nm. Shader units: 128 (Radeon 820M) vs 512 (Radeon RX Vega 11 Ryzen 5 3400G). Boost clocks: 2900 MHz vs 2100 MHz.
| Feature | Radeon 820M | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| G3D Mark Score | 2,143 | 2,145 |
| Architecture | RDNA 3+ | Vega |
| Process Node | 4 nm | 7 nm |
| Shading Units | 128 | 512+300% |
| Boost Clock | 2900 MHz+38% | 2100 MHz |
| Frame Generation | FSR upscaling + RSR | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon 820M | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon 820M has 2 GB of VRAM, while the Radeon RX Vega 11 Ryzen 5 3400G carries 0 MB. Radeon 820M gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is System on the Radeon 820M and System on the Radeon RX Vega 11 Ryzen 5 3400G.
| Feature | Radeon 820M | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| VRAM Capacity | 2 GB | Shared System RAM |
| Memory Type | Shared | Shared |
| Memory Bandwidth | System | System |
| Bus Width | System | System |
Display & API Support
DirectX support: 12 Ultimate (Radeon 820M) vs 12 (12_1) (Radeon RX Vega 11 Ryzen 5 3400G). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 3.
| Feature | Radeon 820M | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| DirectX | 12 Ultimate | 12 (12_1) |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4+33% | 3 |
Media & Encoding
Hardware encoder: VCN 4.0 (Radeon 820M) vs VCE 4.0 (Radeon RX Vega 11 Ryzen 5 3400G). Decoder: VCN 4.0 vs UVD 7.0. Supported codecs: H.264,H.265,AV1,VP9 (Radeon 820M) vs H.264,H.265,VP9 (Radeon RX Vega 11 Ryzen 5 3400G).
| Feature | Radeon 820M | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| Encoder | VCN 4.0 | VCE 4.0 |
| Decoder | VCN 4.0 | UVD 7.0 |
| Codecs | H.264,H.265,AV1,VP9 | H.264,H.265,VP9 |
Power & Dimensions
The Radeon 820M draws 30W versus the Radeon RX Vega 11 Ryzen 5 3400G's 15W — a 66.7% difference. The Radeon RX Vega 11 Ryzen 5 3400G is more power-efficient. Recommended PSU: 350W (Radeon 820M) vs 1W (Radeon RX Vega 11 Ryzen 5 3400G). Power connectors: PCIe-powered vs Integrated. Typical load temperature: 80 vs 80°C.
| Feature | Radeon 820M | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| TDP | 30W | 15W-50% |
| Recommended PSU | 350W | 1W-100% |
| Power Connector | PCIe-powered | Integrated |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | 0 |
| Temp (Load) | 80 | 80°C |
| Perf/Watt | 71.4 | 143.0+100% |
Value Analysis
The newer card here is Radeon 820M (2024 vs 2020).
| Feature | Radeon 820M | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| MSRP | — | $0 |
| Codename | Krackan Point | Vega |
| Release | June 2 2024 | January 7 2020 |
| Ranking | #669 | #545 |
Affiliate Disclosure
ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.
Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.














