Radeon 660M vs GeForce GTX 680M
Radeon 660M
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GeForce GTX 680M
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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 660M is positioned at rank 399 and the GeForce GTX 680M is on rank 105, so the GeForce GTX 680M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon 660M
Performance Per Dollar GeForce GTX 680M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon 660M is significantly newer (2023 vs 2012). The Radeon 660M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GTX 680M lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GeForce GTX 680M is the superior choice for raw performance. It leads with a 1.7% higher G3D Mark score and 100% more VRAM (4 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon 660M.
| Insight | Radeon 660M | GeForce GTX 680M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.7%) | ✅Leading raw performance (+1.7%) |
| Longevity | RDNA 2.0 (2020−2025) (6nm) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce GTX 680M 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 660M and GeForce GTX 680M
Radeon 660M
The Radeon 660M 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: 3,221 points.
GeForce GTX 680M
The GeForce GTX 680M is manufactured by NVIDIA. It was released in June 4 2012. It features the Kepler architecture. The core clock ranges from 719 MHz to 758 MHz. It has 1344 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,277 points. Launch price was $310.50.
Graphics Performance
The Radeon 660M scores 3,221 and the GeForce GTX 680M reaches 3,277 in the G3D Mark benchmark — just a 1.7% difference, making them near-identical in rasterization performance. The Radeon 660M is built on RDNA 2.0 while the GeForce GTX 680M uses Kepler, both on 6 nm vs 28 nm. Shader units: 384 (Radeon 660M) vs 1,344 (GeForce GTX 680M). Raw compute: 1.459 TFLOPS (Radeon 660M) vs 2.038 TFLOPS (GeForce GTX 680M). Boost clocks: 1900 MHz vs 758 MHz.
| Feature | Radeon 660M | GeForce GTX 680M |
|---|---|---|
| G3D Mark Score | 3,221 | 3,277+2% |
| Architecture | RDNA 2.0 | Kepler |
| Process Node | 6 nm | 28 nm |
| Shading Units | 384 | 1344+250% |
| Compute (TFLOPS) | 1.459 TFLOPS | 2.038 TFLOPS+40% |
| Boost Clock | 1900 MHz+151% | 758 MHz |
| ROPs | 16 | 32+100% |
| TMUs | 24 | 112+367% |
| L1 Cache | 128 KB+14% | 112 KB |
| L2 Cache | 2 MB+300% | 0.5 MB |
Advanced Features (DLSS/FSR)
| Feature | Radeon 660M | GeForce GTX 680M |
|---|---|---|
| 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)
The Radeon 660M comes with 2 GB of VRAM, while the GeForce GTX 680M has 4 GB. The GeForce GTX 680M offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit. L2 Cache: 2 MB (Radeon 660M) vs 0.5 MB (GeForce GTX 680M) — the Radeon 660M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon 660M | GeForce GTX 680M |
|---|---|---|
| VRAM Capacity | 2 GB | 4 GB+100% |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
| L2 Cache | 2 MB+300% | 0.5 MB |
Power & Dimensions
The Radeon 660M draws 40W versus the GeForce GTX 680M's 100W — a 85.7% difference. The Radeon 660M is more power-efficient. Recommended PSU: 350W (Radeon 660M) vs 350W (GeForce GTX 680M). Power connectors: PCIe-powered vs 1x 6-pin.
| Feature | Radeon 660M | GeForce GTX 680M |
|---|---|---|
| TDP | 40W-60% | 100W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Slots | — | 0 |
| Temp (Load) | — | 81°C |
| Perf/Watt | 80.5+145% | 32.8 |
Value Analysis
The Radeon 660M is the newer GPU (2023 vs 2012).
| Feature | Radeon 660M | GeForce GTX 680M |
|---|---|---|
| Avg Price (30d) | — | $50 |
| Codename | Rembrandt+ | GK104 |
| Release | January 3 2023 | June 4 2012 |
| Ranking | #565 | #561 |
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The most powerful gpus ranked by G3D Mark benchmark scores.
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