GeForce GTX 660 Ti vs Tesla K20Xm
GeForce GTX 660 Ti
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Tesla K20Xm
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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 Tesla K20Xm
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. However, the Tesla K20Xm offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce GTX 660 Ti | Tesla K20Xm |
|---|---|---|
| Performance | ✅Leading raw performance (+0.3%) | ❌Lower raw frame rates (-0.3%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑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 | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The GeForce GTX 660 Ti offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GTX 660 Ti holds the technical lead. Priced at $15 (vs $7,699), it costs 100% less, resulting in a 51366.6% higher cost efficiency score.
| Insight | GeForce GTX 660 Ti | Tesla K20Xm |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+51366.6%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($15) | ⚠️Higher upfront cost ($7,699) |
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 Tesla K20Xm
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.
Tesla K20Xm
The Tesla K20Xm is manufactured by NVIDIA. It was released in November 12 2012. It features the Kepler architecture. The core clock speed is 732 MHz. It has 2688 shading units. The thermal design power (TDP) is 235W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,403 points. Launch price was $7,699.
Graphics Performance
The GeForce GTX 660 Ti scores 4,415 and the Tesla K20Xm 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 Tesla K20Xm uses Kepler, both on a 28 nm process. Shader units: 1,344 (GeForce GTX 660 Ti) vs 2,688 (Tesla K20Xm). Raw compute: 2.634 TFLOPS (GeForce GTX 660 Ti) vs 3.935 TFLOPS (Tesla K20Xm).
| Feature | GeForce GTX 660 Ti | Tesla K20Xm |
|---|---|---|
| G3D Mark Score | 4,415 | 4,403 |
| Architecture | Kepler | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1344 | 2688+100% |
| Compute (TFLOPS) | 2.634 TFLOPS | 3.935 TFLOPS+49% |
| ROPs | 24 | 48+100% |
| TMUs | 112 | 224+100% |
| L1 Cache | 112 KB | 224 KB+100% |
| L2 Cache | 0.38 MB | 1.5 MB+295% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 660 Ti | Tesla K20Xm |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The GeForce GTX 660 Ti comes with 3 GB of VRAM, while the Tesla K20Xm has 6 GB. The Tesla K20Xm offers 100% 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 1.5 MB (Tesla K20Xm) — the Tesla K20Xm has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GTX 660 Ti | Tesla K20Xm |
|---|---|---|
| VRAM Capacity | 3 GB | 6 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 192-bit+200% | 64-bit |
| L2 Cache | 0.38 MB | 1.5 MB+295% |
Power & Dimensions
The GeForce GTX 660 Ti draws 150W versus the Tesla K20Xm's 235W — a 44.2% difference. The GeForce GTX 660 Ti is more power-efficient. Recommended PSU: 450W (GeForce GTX 660 Ti) vs 350W (Tesla K20Xm). Power connectors: 2x 6-pin vs PCIe-powered.
| Feature | GeForce GTX 660 Ti | Tesla K20Xm |
|---|---|---|
| TDP | 150W-36% | 235W |
| 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+57% | 18.7 |
Value Analysis
The GeForce GTX 660 Ti launched at $299 MSRP and currently averages $15, while the Tesla K20Xm launched at $7699.
| Feature | GeForce GTX 660 Ti | Tesla K20Xm |
|---|---|---|
| MSRP | $299-96% | $7699 |
| Avg Price (30d) | $15 | — |
| Codename | GK104 | GK110 |
| Release | August 16 2012 | November 12 2012 |
| Ranking | #472 | #473 |
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