Radeon 820M vs GeForce RTX 4070
Radeon 820M
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GeForce RTX 4070
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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. The Radeon 820M is positioned at rank #62 in our cost-efficiency ranking, representing a Balanced cost-benefit for your build. 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 Radeon 820M
Performance Per Dollar GeForce RTX 4070
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce RTX 4070 is the superior choice for raw performance. It leads with a 1156.1% higher G3D Mark score and 500% more VRAM (12 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon 820M.
| Insight | Radeon 820M | GeForce RTX 4070 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1156.1%) | ✅Leading raw performance (+1156.1%) |
| Longevity | RDNA 3+ (2024) (4nm) | 🏆Elite Architecture (Ada Lovelace (2022−2024) / 5nm) |
| Ecosystem | Supports FSR Upscaling | ✨ DLSS 3/4 + Frame Gen Support |
| VRAM | ❌ Less VRAM capacity | 🎮 High Capacity (12 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | Standard Size (304mm) |
💎 Value Proposition
The Radeon 820M offers a compelling cost-to-performance ratio. Priced at $25 versus $550 for the GeForce RTX 4070, it costs 95% less. While it maintains basic entry-level capabilities, this results in a 75.1% higher cost efficiency score.
| Insight | Radeon 820M | GeForce RTX 4070 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+75.1%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($25) | ⚠️Higher upfront cost ($550) |
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 820M and GeForce RTX 4070
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.
GeForce RTX 4070
The GeForce RTX 4070 is manufactured by NVIDIA. It was released in April 12 2023. It features the Ada Lovelace architecture. The core clock ranges from 1920 MHz to 2475 MHz. It has 5888 shading units. The thermal design power (TDP) is 200W. Manufactured using 5 nm process technology. It features 46 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,919 points. Launch price was $599.
Graphics Performance
In G3D Mark, the Radeon 820M scores 2,143 versus the GeForce RTX 4070's 26,919 — the GeForce RTX 4070 leads by 1156.1%. The Radeon 820M is built on RDNA 3+ while the GeForce RTX 4070 uses Ada Lovelace, both on 4 nm vs 5 nm. Shader units: 128 (Radeon 820M) vs 5,888 (GeForce RTX 4070). Boost clocks: 2900 MHz vs 2475 MHz.
| Feature | Radeon 820M | GeForce RTX 4070 |
|---|---|---|
| G3D Mark Score | 2,143 | 26,919+1156% |
| Architecture | RDNA 3+ | Ada Lovelace |
| Process Node | 4 nm | 5 nm |
| Shading Units | 128 | 5888+4500% |
| Boost Clock | 2900 MHz+17% | 2475 MHz |
Advanced Features (DLSS/FSR)
A critical advantage for the GeForce RTX 4070 is support for DLSS 3 Frame Gen. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The Radeon 820M lacks specific hardware/driver support for this native frame generation tier.
| Feature | Radeon 820M | GeForce RTX 4070 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | DLSS 3.5 |
| Frame Generation | Not Supported | DLSS 3.0 (Native) |
| Ray Reconstruction | No | Yes (DLSS 3.5) |
| Low Latency | AMD Anti-Lag | NVIDIA Reflex |
Video Memory (VRAM)
The Radeon 820M comes with 2 GB of VRAM, while the GeForce RTX 4070 has 12 GB. The GeForce RTX 4070 offers 500% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 192-bit.
| Feature | Radeon 820M | GeForce RTX 4070 |
|---|---|---|
| VRAM Capacity | 2 GB | 12 GB+500% |
| Memory Type | Shared | GDDR6X |
| Memory Bandwidth | System | 504 GB/s |
| Bus Width | System | 192-bit |
Display & API Support
DirectX support: 12 Ultimate (Radeon 820M) vs 12.2 (GeForce RTX 4070). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | Radeon 820M | GeForce RTX 4070 |
|---|---|---|
| DirectX | 12 Ultimate | 12.2+2% |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: VCN 4.0 (Radeon 820M) vs 8th Gen NVENC (2x) (GeForce RTX 4070). Decoder: VCN 4.0 vs 5th Gen NVDEC. Supported codecs: H.264,H.265,AV1,VP9 (Radeon 820M) vs MPEG-2,H.264,HEVC,VP9,AV1 (GeForce RTX 4070).
| Feature | Radeon 820M | GeForce RTX 4070 |
|---|---|---|
| Encoder | VCN 4.0 | 8th Gen NVENC (2x) |
| Decoder | VCN 4.0 | 5th Gen NVDEC |
| Codecs | H.264,H.265,AV1,VP9 | MPEG-2,H.264,HEVC,VP9,AV1 |
Power & Dimensions
The Radeon 820M draws 30W versus the GeForce RTX 4070's 200W — a 147.8% difference. The Radeon 820M is more power-efficient. Recommended PSU: 350W (Radeon 820M) vs 650W (GeForce RTX 4070). Power connectors: PCIe-powered vs 8-pin. Card length: 0mm vs 304mm, occupying 0 vs 3 slots. Typical load temperature: 80 vs 80°C.
| Feature | Radeon 820M | GeForce RTX 4070 |
|---|---|---|
| TDP | 30W-85% | 200W |
| Recommended PSU | 350W-46% | 650W |
| Power Connector | PCIe-powered | 8-pin |
| Length | 0mm | 304mm |
| Height | 0mm | 137mm |
| Slots | 0-100% | 3 |
| Temp (Load) | 80 | 80°C |
| Perf/Watt | 71.4 | 134.6+89% |
Value Analysis
The Radeon 820M costs 95.5% less ($525 savings) at current market prices. Performance per dollar (G3D Mark / price): 85.7 (Radeon 820M) vs 48.9 (GeForce RTX 4070) — the Radeon 820M offers 75.3% better value. The Radeon 820M is the newer GPU (2024 vs 2023).
| Feature | Radeon 820M | GeForce RTX 4070 |
|---|---|---|
| MSRP | — | $599 |
| Avg Price (30d) | $25-95% | $550 |
| Performance per Dollar | 85.7+75% | 48.9 |
| Codename | Krackan Point | AD104 |
| Release | June 2 2024 | April 12 2023 |
| Ranking | #669 | #32 |
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