GeForce GTX 660 Ti vs Radeon Instinct MI25 MxGPU
GeForce GTX 660 Ti
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Radeon Instinct MI25 MxGPU
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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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Radeon Instinct MI25 MxGPU
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GTX 660 Ti is the superior choice for raw performance. It leads with a 0.3% higher G3D Mark score and 50% more VRAM (3 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon Instinct MI25 MxGPU.
| Insight | GeForce GTX 660 Ti | Radeon Instinct MI25 MxGPU |
|---|---|---|
| Performance | ✅Leading raw performance (+0.3%) | ❌Lower raw frame rates (-0.3%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2017 / GCN 5.0 (2017−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+50%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce GTX 660 Ti 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 GTX 660 Ti and Radeon Instinct MI25 MxGPU
GeForce GTX 660 Ti
The GeForce GTX 660 Ti is manufactured by NVIDIA. It was released in August 16 2012. It features the Kepler architecture. The core clock ranges from 915 MHz to 980 MHz. It has 1344 shading units. The thermal design power (TDP) is 150W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,415 points. Launch price was $299.
Radeon Instinct MI25 MxGPU
The Radeon Instinct MI25 MxGPU is manufactured by AMD. It was released in June 27 2017. It features the GCN 5.0 architecture. The core clock ranges from 1400 MHz to 1500 MHz. It has 4096 ×2 shading units. The thermal design power (TDP) is 300W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 4,403 points.
Graphics Performance
The GeForce GTX 660 Ti scores 4,415 and the Radeon Instinct MI25 MxGPU reaches 4,403 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The GeForce GTX 660 Ti is built on Kepler while the Radeon Instinct MI25 MxGPU uses GCN 5.0, both on 28 nm vs 14 nm. Shader units: 1,344 (GeForce GTX 660 Ti) vs 4,096 (Radeon Instinct MI25 MxGPU). Raw compute: 2.634 TFLOPS (GeForce GTX 660 Ti) vs 12.29 TFLOPS ×2 (Radeon Instinct MI25 MxGPU). Boost clocks: 980 MHz vs 1500 MHz.
| Feature | GeForce GTX 660 Ti | Radeon Instinct MI25 MxGPU |
|---|---|---|
| G3D Mark Score | 4,415 | 4,403 |
| Architecture | Kepler | GCN 5.0 |
| Process Node | 28 nm | 14 nm |
| Shading Units | 1344 | 4096 ×2+205% |
| Compute (TFLOPS) | 2.634 TFLOPS | 12.29 TFLOPS ×2+367% |
| Boost Clock | 980 MHz | 1500 MHz+53% |
| ROPs | 24 | 64 ×2+167% |
| TMUs | 112 | 256 ×2+129% |
| L1 Cache | 0.11 MB | 1 MB+809% |
| L2 Cache | 0.38 MB | 4 MB+953% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 660 Ti | Radeon Instinct MI25 MxGPU |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GTX 660 Ti comes with 3 GB of VRAM, while the Radeon Instinct MI25 MxGPU has 2 GB. The GeForce GTX 660 Ti offers 50% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 192-bit vs 64-bit. L2 Cache: 0.38 MB (GeForce GTX 660 Ti) vs 4 MB (Radeon Instinct MI25 MxGPU) — the Radeon Instinct MI25 MxGPU has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GTX 660 Ti | Radeon Instinct MI25 MxGPU |
|---|---|---|
| VRAM Capacity | 3 GB+50% | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 192-bit+200% | 64-bit |
| L2 Cache | 0.38 MB | 4 MB+953% |
Power & Dimensions
The GeForce GTX 660 Ti draws 150W versus the Radeon Instinct MI25 MxGPU's 300W — a 66.7% difference. The GeForce GTX 660 Ti is more power-efficient. Recommended PSU: 450W (GeForce GTX 660 Ti) vs 350W (Radeon Instinct MI25 MxGPU). Power connectors: 2x 6-pin vs PCIe-powered.
| Feature | GeForce GTX 660 Ti | Radeon Instinct MI25 MxGPU |
|---|---|---|
| TDP | 150W-50% | 300W |
| Recommended PSU | 450W | 350W-22% |
| Power Connector | 2x 6-pin | PCIe-powered |
| Length | 241mm | — |
| Height | 111mm | — |
| Slots | 2 | — |
| Temp (Load) | 97°C | — |
| Perf/Watt | 29.4+100% | 14.7 |
Value Analysis
The Radeon Instinct MI25 MxGPU is the newer GPU (2017 vs 2012).
| Feature | GeForce GTX 660 Ti | Radeon Instinct MI25 MxGPU |
|---|---|---|
| MSRP | $299 | — |
| Avg Price (30d) | $15 | — |
| Codename | GK104 | Vega 10 |
| Release | August 16 2012 | June 27 2017 |
| Ranking | #472 | #474 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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