GeForce GT 755M vs GeForce GTX 580M SLI

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 GT 755M vs GeForce GTX 580M SLI 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 GT 755M vs GeForce GTX 580M SLI: 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 GT 755M

2013

Why buy it

✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).
✅Draws 50W instead of 100W, a 50W reduction.
✅More future proof: Kepler (2012−2018) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than GeForce GTX 580M SLI across 50 tracked games in our benchmark data.
❌2013 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

GeForce GTX 580M SLI

2011

Why buy it

✅140.6% more average FPS across 50 tracked games in our benchmark data.

Trade-offs

❌Less VRAM, with 512 MB vs 2 GB for high-resolution textures and newer games.
❌2011 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌100% higher power demand at 100W vs 50W.

Quick Answers

Which GPU is faster for gaming right now?

GeForce GTX 580M SLI is the faster gaming card right now. In our data, it leads by 140.6% in average FPS across 50 tracked games in our benchmark data and by 2.6% in PassMark G3D (1,771 vs 1,726), so the answer here is pretty clean.

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

GeForce GT 755M is the safer long-term pick for 2026 and beyond. The case is simple: 2 GB vs 512 MB of VRAM, a 28nm process instead of 40nm, and a newer 2013 generation instead of 2011. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

GeForce GTX 580M SLI makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p and some 1440p, GeForce GTX 580M SLI is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce GT 755M has the stronger long-term case.

GeForce GT 755M vs GeForce GTX 580M SLI Technical Specifications

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

GeForce GT 755M

The GeForce GT 755M is manufactured by NVIDIA. It was released in June 25 2013. It features the Kepler architecture. The core clock speed is 980 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,726 points.

GeForce GTX 580M SLI

The GeForce GTX 580M SLI is manufactured by NVIDIA. It was released in January 6 2011. It features the Fermi architecture. The core clock speed is 620 MHz. It has 768 shading units. The thermal design power (TDP) is 100W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,771 points.

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Graphics Performance

The GeForce GT 755M scores 1,726 and the GeForce GTX 580M SLI reaches 1,771 in the G3D Mark benchmark — just a 2.6% difference, making them near-identical in rasterization performance. The GeForce GT 755M is built on Kepler while the GeForce GTX 580M SLI uses Fermi, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 755M) vs 768 (GeForce GTX 580M SLI).

Feature	GeForce GT 755M	GeForce GTX 580M SLI
G3D Mark Score	1,726	1,771+3%
Architecture	Kepler	Fermi
Process Node	28 nm	40 nm
Shading Units	384	768+100%

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Advanced Features (DLSS/FSR)

Feature	GeForce GT 755M	GeForce GTX 580M SLI
Upscaling Tech	Upscaling support	Upscaling support
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	NVIDIA Reflex

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Video Memory (VRAM)

The GeForce GT 755M has 2 GB of VRAM, while the GeForce GTX 580M SLI carries 512 MB. GeForce GT 755M gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the GeForce GT 755M and 128-bit on the GeForce GTX 580M SLI.

Feature	GeForce GT 755M	GeForce GTX 580M SLI
VRAM Capacity	2 GB+300%	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	64-bit	128-bit+100%

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Display & API Support

DirectX support: 12 (11_0) (GeForce GT 755M) vs 12 (11_0) (GeForce GTX 580M SLI). Vulkan: N/A vs 1.2. OpenGL: 4.6 vs 4.0. Maximum simultaneous displays: 4 vs 2.

Feature	GeForce GT 755M	GeForce GTX 580M SLI
DirectX	12 (11_0)	12 (11_0)
Vulkan	N/A	1.2
OpenGL	4.6+15%	4.0
Max Displays	4+100%	2

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Media & Encoding

Hardware encoder: NVENC (Kepler) (GeForce GT 755M) vs PureVideo HD VP4 (GeForce GTX 580M SLI). Decoder: PureVideo HD (VP5) vs PureVideo HD VP4. Supported codecs: H.264,VC-1,MPEG-2 (GeForce GT 755M) vs H.264,VC-1,MPEG-2,MPEG-4 ASP (GeForce GTX 580M SLI).

Feature	GeForce GT 755M	GeForce GTX 580M SLI
Encoder	NVENC (Kepler)	PureVideo HD VP4
Decoder	PureVideo HD (VP5)	PureVideo HD VP4
Codecs	H.264,VC-1,MPEG-2	H.264,VC-1,MPEG-2,MPEG-4 ASP

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Power & Dimensions

The GeForce GT 755M draws 50W versus the GeForce GTX 580M SLI's 100W — a 66.7% difference. The GeForce GT 755M is more power-efficient. Recommended PSU: 350W (GeForce GT 755M) vs 350W (GeForce GTX 580M SLI). Power connectors: PCIe-powered vs 1x 6-pin. Typical load temperature: 80 vs 90°C.