GeForce GTX 660 Ti vs Tesla K20Xm

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.

GeForce GTX 660 Ti vs Tesla K20Xm FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

GeForce GTX 660 Ti vs Tesla K20Xm: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

GeForce GTX 660 Ti

2012

Why buy it

✅Costs $7,400 less on MSRP ($299 MSRP vs $7,699 MSRP).
✅Delivers 2481.9% more G3D Mark for each dollar spent, at 14.8 vs 0.6 G3D/$ ($299 MSRP vs $7,699 MSRP).
✅Draws 150W instead of 235W, a 85W reduction.

Trade-offs

❌Less VRAM, with 3 GB vs 6 GB for high-resolution textures and newer games.
❌2012 hardware with 3 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Tesla K20Xm

2012

Why buy it

✅100% more VRAM for high-resolution textures and newer games (6 GB vs 3 GB).
✅More future proof: Kepler (2012−2018) on 28nm with a newer platform for upcoming games.

Trade-offs

❌2012 hardware with 6 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
2474.9% HIGHER MSRP
$7,699 MSRPvs$299 MSRP
❌Lower G3D Mark per dollar, at 0.6 vs 14.8 G3D/$ ($7,699 MSRP vs $299 MSRP).
❌56.7% higher power demand at 235W vs 150W.

Quick Answers

Which GPU is faster for gaming right now?

GeForce GTX 660 Ti is the faster gaming card right now based on the synthetic data we have. It leads by 0.3% in PassMark G3D (4,415 vs 4,403), which is the best performance signal available in this matchup.

Which GPU is the safer long-term pick for 2026 and beyond?

GeForce GTX 660 Ti is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.

Which GPU is the better buy today?

GeForce GTX 660 Ti makes the most sense to buy today. It is $7,400 cheaper on MSRP at $299 vs $7,699, and it leads G3D-per-dollar by 2481.9% (14.8 vs 0.6), so the value case lines up with the gaming result.

GeForce GTX 660 Ti vs Tesla K20Xm Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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)

The GeForce GTX 660 Ti gets NVIDIA DLSS, which still tends to look cleaner in motion. The Tesla K20Xm leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GTX 660 Ti	Tesla K20Xm
Upscaling Tech	Upscaling support	Upscaling support
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	Standard

💾

Video Memory (VRAM)

The GeForce GTX 660 Ti has 3 GB of VRAM, while the Tesla K20Xm carries 6 GB. Tesla K20Xm gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 192-bit on the GeForce GTX 660 Ti and 64-bit on the Tesla K20Xm. 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

At launch, the GeForce GTX 660 Ti came in at $299, while the Tesla K20Xm launched at $7699. On MSRP, GeForce GTX 660 Ti was 96.1% cheaper ($7400 less). Performance per dollar on MSRP (G3D Mark / MSRP): 14.8 (GeForce GTX 660 Ti) vs 0.6 (Tesla K20Xm) — the GeForce GTX 660 Ti offers 2366.7% better value.

Feature	GeForce GTX 660 Ti	Tesla K20Xm
MSRP	$299-96%	$7699
Performance per Dollar	14.8+2367%	0.6
Codename	GK104	GK110
Release	August 16 2012	November 12 2012
Ranking	#472	#473

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