GeForce GT 645 vs GeForce GTX 480M 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 645 vs GeForce GTX 480M 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 645 vs GeForce GTX 480M 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 645

2012

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 20.3 vs 0 G3D/$ ($99 MSRP vs Unknown MSRP).
✅Draws 32W instead of 100W, a 68W reduction.
✅More future proof: Kepler (2012−2018) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than GeForce GTX 480M SLI across 50 tracked games in our benchmark data.
❌2012 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 480M SLI

2010

Why buy it

✅151.1% more average FPS across 50 tracked games in our benchmark data.

Trade-offs

❌2010 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌Lower G3D Mark per dollar, at 0 vs 20.3 G3D/$ (Unknown MSRP vs $99 MSRP).
❌212.5% higher power demand at 100W vs 32W.

Quick Answers

Which GPU is faster for gaming right now?

GeForce GTX 480M SLI is the faster gaming card right now. In our data, it leads by 151.1% in average FPS across 50 tracked games in our benchmark data and by 2.2% in PassMark G3D (2,050 vs 2,006), so the answer here is pretty clean.

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

GeForce GT 645 is the safer long-term pick for 2026 and beyond. The case is simple: a 28nm process instead of 40nm and a newer 2012 generation instead of 2010. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

GeForce GT 645 makes the most sense today based on the pricing and value data we have for this matchup. GeForce GTX 480M SLI still makes more sense if max raw gaming performance matters more than value.

GeForce GT 645 vs GeForce GTX 480M SLI Technical Specifications

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

GeForce GT 645

The GeForce GT 645 is manufactured by NVIDIA. It was released in October 1 2012. It features the Kepler architecture. The core clock speed is Up to 710 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,006 points.

GeForce GTX 480M SLI

The GeForce GTX 480M SLI is manufactured by NVIDIA. It was released in May 25 2010. It features the Fermi architecture. The core clock speed is 425 MHz. It has 704 shading units. The thermal design power (TDP) is 100W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 2,050 points.

⚡

Graphics Performance

The GeForce GT 645 scores 2,006 and the GeForce GTX 480M SLI reaches 2,050 in the G3D Mark benchmark — just a 2.2% difference, making them near-identical in rasterization performance. The GeForce GT 645 is built on Kepler while the GeForce GTX 480M SLI uses Fermi, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 645) vs 704 (GeForce GTX 480M SLI).

Feature	GeForce GT 645	GeForce GTX 480M SLI
G3D Mark Score	2,006	2,050+2%
Architecture	Kepler	Fermi
Process Node	28 nm	40 nm
Shading Units	384	704+83%

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GT 645	GeForce GTX 480M SLI
Upscaling Tech	Upscaling support	Upscaling support
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	NVIDIA Reflex

💾

Video Memory (VRAM)

Both cards ship with 2 GB of GDDR5. Memory bus width is 128-bit on the GeForce GT 645 and 128-bit on the GeForce GTX 480M SLI.

Feature	GeForce GT 645	GeForce GTX 480M SLI
VRAM Capacity	2 GB	2 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit

🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GT 645) vs 12 (11_0) (GeForce GTX 480M SLI). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.0. Maximum simultaneous displays: 3 vs 2.

Feature	GeForce GT 645	GeForce GTX 480M SLI
DirectX	12 (11_0)	12 (11_0)
Vulkan	1.2	1.2
OpenGL	4.6+15%	4.0
Max Displays	3+50%	2

🎬

Media & Encoding

Hardware encoder: NVENC (1st Gen) (GeForce GT 645) vs PureVideo HD VP4 (GeForce GTX 480M SLI). Decoder: NVDEC (1st Gen) vs PureVideo HD VP4. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GT 645) vs H.264,VC-1,MPEG-2,MPEG-4 ASP (GeForce GTX 480M SLI).

Feature	GeForce GT 645	GeForce GTX 480M SLI
Encoder	NVENC (1st Gen)	PureVideo HD VP4
Decoder	NVDEC (1st Gen)	PureVideo HD VP4
Codecs	H.264,MPEG-2,VC-1	H.264,VC-1,MPEG-2,MPEG-4 ASP

🔌

Power & Dimensions

The GeForce GT 645 draws 32W versus the GeForce GTX 480M SLI's 100W — a 103% difference. The GeForce GT 645 is more power-efficient. Recommended PSU: 350W (GeForce GT 645) vs 350W (GeForce GTX 480M SLI). Power connectors: PCIe-powered vs 1x 6-pin. Typical load temperature: 80 vs 97°C.

Feature	GeForce GT 645	GeForce GTX 480M SLI
TDP	32W-68%	100W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	1x 6-pin
Length	145mm	—
Height	111mm	—
Slots	1	0-100%
Temp (Load)	80-18%	97°C
Perf/Watt	62.7+206%	20.5

💰

Value Analysis

The newer card here is GeForce GT 645 (2012 vs 2010).

Feature	GeForce GT 645	GeForce GTX 480M SLI
MSRP	$99	—
Codename	GK107	N11E-GTX-A3
Release	October 1 2012	May 25 2010
Ranking	#903	#637

Search GeForce GT 645 on Amazon

Search GeForce GTX 480M SLI on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.