
Radeon R9 M365X
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GeForce GTX 660M
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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 R9 M365X is positioned at rank 445 and the GeForce GTX 660M is on rank 190, so the GeForce GTX 660M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon R9 M365X
Performance Per Dollar GeForce GTX 660M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R9 M365X is the superior choice for raw performance. It leads with a 2.1% 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 GeForce GTX 660M.
| Insight | Radeon R9 M365X | GeForce GTX 660M |
|---|---|---|
| Performance | ✅Leading raw performance (+2.1%) | ❌Lower raw frame rates (-2.1%) |
| Longevity | 🛑Obsolete Architecture (2015 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon R9 M365X 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.

Counter-Strike 2
Technical Specifications
Side-by-side comparison of Radeon R9 M365X and GeForce GTX 660M

Radeon R9 M365X
The Radeon R9 M365X is manufactured by AMD. It was released in May 5 2015. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 925 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,482 points.

GeForce GTX 660M
The GeForce GTX 660M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from 835 MHz to 950 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,452 points.
Graphics Performance
The Radeon R9 M365X scores 1,482 and the GeForce GTX 660M reaches 1,452 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The Radeon R9 M365X is built on GCN 1.0 while the GeForce GTX 660M uses Kepler, both on a 28 nm process. Shader units: 640 (Radeon R9 M365X) vs 384 (GeForce GTX 660M). Raw compute: 1.184 TFLOPS (Radeon R9 M365X) vs 0.7296 TFLOPS (GeForce GTX 660M). Boost clocks: 925 MHz vs 950 MHz.
| Feature | Radeon R9 M365X | GeForce GTX 660M |
|---|---|---|
| G3D Mark Score | 1,482+2% | 1,452 |
| Architecture | GCN 1.0 | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 640+67% | 384 |
| Compute (TFLOPS) | 1.184 TFLOPS+62% | 0.7296 TFLOPS |
| Boost Clock | 925 MHz | 950 MHz+3% |
| ROPs | 16 | 16 |
| TMUs | 40+25% | 32 |
| L1 Cache | 160 KB+400% | 32 KB |
| L2 Cache | 256 KB | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon R9 M365X | GeForce GTX 660M |
|---|---|---|
| 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 R9 M365X comes with 4 GB of VRAM, while the GeForce GTX 660M has 2 GB. The Radeon R9 M365X offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.
| Feature | Radeon R9 M365X | GeForce GTX 660M |
|---|---|---|
| VRAM Capacity | 4 GB+100% | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 256 KB | 256 KB |
Power & Dimensions
The Radeon R9 M365X draws 75W versus the GeForce GTX 660M's 50W — a 40% difference. The GeForce GTX 660M is more power-efficient. Recommended PSU: 350W (Radeon R9 M365X) vs 350W (GeForce GTX 660M). Power connectors: Mobile vs 1x 6-pin.
| Feature | Radeon R9 M365X | GeForce GTX 660M |
|---|---|---|
| TDP | 75W | 50W-33% |
| Recommended PSU | 350W | 350W |
| Power Connector | Mobile | 1x 6-pin |
| Slots | — | 0 |
| Temp (Load) | — | 60°C |
| Perf/Watt | 19.8 | 29.0+46% |
Value Analysis
The Radeon R9 M365X is the newer GPU (2015 vs 2012).
| Feature | Radeon R9 M365X | GeForce GTX 660M |
|---|---|---|
| MSRP | $250 | — |
| Avg Price (30d) | $50 | — |
| Codename | Tropo | GK107 |
| Release | May 5 2015 | March 22 2012 |
| Ranking | #769 | #774 |
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