GeForce GTX 660 Ti vs Tesla K20m

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.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Per Dollar Tesla K20m

#1

Tesla K20m

MSRP: $3199|Avg: $55

100%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Tesla K20m is the superior choice for raw performance. It leads with a 0.4% higher G3D Mark score. However, the GeForce GTX 660 Ti offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	GeForce GTX 660 Ti	Tesla K20m
Performance	❌Lower raw frame rates (-0.4%)	✅Leading raw performance (+0.4%)
Longevity	🛑Obsolete Architecture (2012 / Kepler (2012−2018))	🛑Obsolete Architecture (2013 / Kepler (2012−2018))
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

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 $55), it costs 73% less, resulting in a 265.3% higher cost efficiency score.

Insight	GeForce GTX 660 Ti	Tesla K20m
Cost Efficiency	✅Better overall value (+265.3%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($15)	⚠️Higher upfront cost ($55)

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.

GeForce GTX 660 Ti Benchmark Check

Tesla K20m Benchmark Check

Technical Specifications

Side-by-side comparison of GeForce GTX 660 Ti and Tesla K20m

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 K20m

The Tesla K20m is manufactured by NVIDIA. It was released in January 5 2013. It features the Kepler architecture. The core clock speed is 706 MHz. It has 2496 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,432 points. Launch price was $3,199.

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Graphics Performance

The GeForce GTX 660 Ti scores 4,415 and the Tesla K20m reaches 4,432 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The GeForce GTX 660 Ti is built on Kepler while the Tesla K20m uses Kepler, both on a 28 nm process. Shader units: 1,344 (GeForce GTX 660 Ti) vs 2,496 (Tesla K20m). Raw compute: 2.634 TFLOPS (GeForce GTX 660 Ti) vs 3.524 TFLOPS (Tesla K20m).

Feature	GeForce GTX 660 Ti	Tesla K20m
G3D Mark Score	4,415	4,432
Architecture	Kepler	Kepler
Process Node	28 nm	28 nm
Shading Units	1344	2496+86%
Compute (TFLOPS)	2.634 TFLOPS	3.524 TFLOPS+34%
ROPs	24	40+67%
TMUs	112	208+86%
L1 Cache	112 KB	208 KB+86%
L2 Cache	0.38 MB	1.25 MB+229%

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GTX 660 Ti	Tesla K20m
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 K20m 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 1.25 MB (Tesla K20m) — the Tesla K20m has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GTX 660 Ti	Tesla K20m
VRAM Capacity	3 GB+50%	2 GB
Memory Type	GDDR5	GDDR5
Bus Width	192-bit+200%	64-bit
L2 Cache	0.38 MB	1.25 MB+229%

🔌

Power & Dimensions

The GeForce GTX 660 Ti draws 150W versus the Tesla K20m's 225W — a 40% difference. The GeForce GTX 660 Ti is more power-efficient. Recommended PSU: 450W (GeForce GTX 660 Ti) vs 350W (Tesla K20m). Power connectors: 2x 6-pin vs PCIe-powered.

Feature	GeForce GTX 660 Ti	Tesla K20m
TDP	150W-33%	225W
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+49%	19.7

💰

Value Analysis

The GeForce GTX 660 Ti launched at $299 MSRP and currently averages $15, while the Tesla K20m launched at $3199 and now averages $55. The GeForce GTX 660 Ti costs 72.7% less ($40 savings) at current market prices. Performance per dollar (G3D Mark / price): 294.3 (GeForce GTX 660 Ti) vs 80.6 (Tesla K20m) — the GeForce GTX 660 Ti offers 265.1% better value. The Tesla K20m is the newer GPU (2013 vs 2012).