GeForce GT 820M vs Radeon 6600M
GeForce GT 820M
Popular choices:
Radeon 6600M
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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 GeForce GT 820M is positioned at rank 134 and the Radeon 6600M is on rank 587, so the GeForce GT 820M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce GT 820M
Performance Per Dollar Radeon 6600M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon 6600M is significantly newer (2023 vs 2014). The Radeon 6600M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GT 820M lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GeForce GT 820M is the superior choice for raw performance. It leads with a 1.1% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon 6600M.
| Insight | GeForce GT 820M | Radeon 6600M |
|---|---|---|
| Performance | ✅Leading raw performance (+1.1%) | ❌Lower raw frame rates (-1.1%) |
| Longevity | 🛑Obsolete Architecture (2014 / Maxwell 2.0 (2014−2019)) | RDNA 2.0 (2020−2025) (6nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce GT 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 GeForce GT 820M and Radeon 6600M
GeForce GT 820M
The GeForce GT 820M is manufactured by NVIDIA. It was released in October 7 2014. It features the Maxwell 2.0 architecture. The core clock ranges from 1038 MHz to 1127 MHz. It has 1536 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 542 points.
Radeon 6600M
The Radeon 6600M is manufactured by AMD. It was released in January 3 2023. It features the RDNA 2.0 architecture. The core clock ranges from 1500 MHz to 1900 MHz. It has 384 shading units. The thermal design power (TDP) is 40W. Manufactured using 6 nm process technology. It features 6 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 536 points.
Graphics Performance
The GeForce GT 820M scores 542 and the Radeon 6600M reaches 536 in the G3D Mark benchmark — just a 1.1% difference, making them near-identical in rasterization performance. The GeForce GT 820M is built on Maxwell 2.0 while the Radeon 6600M uses RDNA 2.0, both on 28 nm vs 6 nm. Shader units: 1,536 (GeForce GT 820M) vs 384 (Radeon 6600M). Raw compute: 1.659 TFLOPS (GeForce GT 820M) vs 1.459 TFLOPS (Radeon 6600M). Boost clocks: 1127 MHz vs 1900 MHz.
| Feature | GeForce GT 820M | Radeon 6600M |
|---|---|---|
| G3D Mark Score | 542+1% | 536 |
| Architecture | Maxwell 2.0 | RDNA 2.0 |
| Process Node | 28 nm | 6 nm |
| Shading Units | 1536+300% | 384 |
| Compute (TFLOPS) | 1.659 TFLOPS+14% | 1.459 TFLOPS |
| Boost Clock | 1127 MHz | 1900 MHz+69% |
| ROPs | 64+300% | 16 |
| TMUs | 96+300% | 24 |
| L1 Cache | 576 KB+350% | 128 KB |
| L2 Cache | 2 MB | 2 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 820M | Radeon 6600M |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
Both cards feature 512 MB of video memory. Bus width: 64-bit vs System.
| Feature | GeForce GT 820M | Radeon 6600M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 64-bit | System |
| L2 Cache | 2 MB | 2 MB |
Power & Dimensions
The GeForce GT 820M draws 100W versus the Radeon 6600M's 40W — a 85.7% difference. The Radeon 6600M is more power-efficient. Recommended PSU: 350W (GeForce GT 820M) vs 350W (Radeon 6600M). Power connectors: PCIe-powered vs PCIe-powered.
| Feature | GeForce GT 820M | Radeon 6600M |
|---|---|---|
| TDP | 100W | 40W-60% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | — |
| Temp (Load) | 70°C | — |
| Perf/Watt | 5.4 | 13.4+148% |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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