
Radeon 820M vs GeForce GTX 670MX SLI

Radeon 820M
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GeForce GTX 670MX SLI
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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 Radeon 820M is positioned at rank 62 and the GeForce GTX 670MX SLI is on rank 364, so the Radeon 820M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon 820M
Performance Per Dollar GeForce GTX 670MX SLI
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon 820M is significantly newer (2024 vs 2012). The Radeon 820M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GTX 670MX SLI 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 3.3% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GTX 670MX SLI.
| Insight | Radeon 820M | GeForce GTX 670MX SLI |
|---|---|---|
| Performance | ✅Leading raw performance (+3.3%) | ❌Lower raw frame rates (-3.3%) |
| Longevity | RDNA 3+ (2024) (4nm) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon 820M remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 GTX 670MX SLI

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 GTX 670MX SLI
The GeForce GTX 670MX SLI is manufactured by NVIDIA. It was released in October 1 2012. It features the Kepler architecture. The core clock speed is 600 MHz. It has 1920 shading units. The thermal design power (TDP) is 150W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,075 points.
Graphics Performance
The Radeon 820M scores 2,143 and the GeForce GTX 670MX SLI reaches 2,075 in the G3D Mark benchmark — just a 3.3% difference, making them near-identical in rasterization performance. The Radeon 820M is built on RDNA 3+ while the GeForce GTX 670MX SLI uses Kepler, both on 4 nm vs 28 nm. Shader units: 128 (Radeon 820M) vs 1,920 (GeForce GTX 670MX SLI).
| Feature | Radeon 820M | GeForce GTX 670MX SLI |
|---|---|---|
| G3D Mark Score | 2,143+3% | 2,075 |
| Architecture | RDNA 3+ | Kepler |
| Process Node | 4 nm | 28 nm |
| Shading Units | 128 | 1920+1400% |
Advanced Features (DLSS/FSR)
| Feature | Radeon 820M | GeForce GTX 670MX SLI |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 2.1 (Compatible) |
| Frame Generation | Not Supported | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
Both cards feature 2 GB of video memory. Bus width: System vs 128-bit.
| Feature | Radeon 820M | GeForce GTX 670MX SLI |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
Display & API Support
DirectX support: 12 Ultimate (Radeon 820M) vs 12 (11_0) (GeForce GTX 670MX SLI). Vulkan: 1.3 vs 1.2. OpenGL: 4.6 vs 4.2. Maximum simultaneous displays: 4 vs 4.
| Feature | Radeon 820M | GeForce GTX 670MX SLI |
|---|---|---|
| DirectX | 12 Ultimate | 12 (11_0) |
| Vulkan | 1.3+8% | 1.2 |
| OpenGL | 4.6+10% | 4.2 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: VCN 4.0 (Radeon 820M) vs NVENC 1st Gen (GeForce GTX 670MX SLI). Decoder: VCN 4.0 vs PureVideo HD VP5. Supported codecs: H.264,H.265,AV1,VP9 (Radeon 820M) vs H.264,VC-1,MPEG-2,MPEG-4 ASP (GeForce GTX 670MX SLI).
| Feature | Radeon 820M | GeForce GTX 670MX SLI |
|---|---|---|
| Encoder | VCN 4.0 | NVENC 1st Gen |
| Decoder | VCN 4.0 | PureVideo HD VP5 |
| Codecs | H.264,H.265,AV1,VP9 | H.264,VC-1,MPEG-2,MPEG-4 ASP |
Power & Dimensions
The Radeon 820M draws 30W versus the GeForce GTX 670MX SLI's 150W — a 133.3% difference. The Radeon 820M is more power-efficient. Recommended PSU: 350W (Radeon 820M) vs 350W (GeForce GTX 670MX SLI). Power connectors: PCIe-powered vs 1x 6-pin. Typical load temperature: 80 vs 88°C.
| Feature | Radeon 820M | GeForce GTX 670MX SLI |
|---|---|---|
| TDP | 30W-80% | 150W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | 0 |
| Temp (Load) | 80-9% | 88°C |
| Perf/Watt | 71.4+417% | 13.8 |
Value Analysis
The Radeon 820M is the newer GPU (2024 vs 2012).
| Feature | Radeon 820M | GeForce GTX 670MX SLI |
|---|---|---|
| Avg Price (30d) | $25 | — |
| Codename | Krackan Point | N13E-GR |
| Release | June 2 2024 | October 1 2012 |
| Ranking | #669 | #513 |
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