GeForce GTX 645 vs Quadro M520

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 645 vs Quadro M520 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 645 vs Quadro M520: 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 645

2010

Why buy it

✅44.9% more average FPS across 50 tracked games in our benchmark data.
✅Costs $50 less on MSRP ($150 MSRP vs $200 MSRP).
✅Delivers 31% more G3D Mark for each dollar spent, at 12.5 vs 9.6 G3D/$ ($150 MSRP vs $200 MSRP).

Trade-offs

❌Less VRAM, with 1 GB vs 2 GB for high-resolution textures and newer games.
❌2010 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌700% higher power demand at 200W vs 25W.

Quadro M520

2017

Why buy it

✅100% more VRAM for high-resolution textures and newer games (2 GB vs 1 GB).
✅Draws 25W instead of 200W, a 175W reduction.
✅More future proof: Maxwell (2014−2017) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than GeForce GTX 645 across 50 tracked games in our benchmark data.
❌2017 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
33.3% HIGHER MSRP
$200 MSRPvs$150 MSRP
❌Lower G3D Mark per dollar, at 9.6 vs 12.5 G3D/$ ($200 MSRP vs $150 MSRP).

Quick Answers

Which GPU is faster for gaming right now?

GeForce GTX 645 is the faster gaming card right now. In our data, it leads by 44.9% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Quadro M520 instead at 1,913 vs 1,880, so for this question the real-game FPS result matters more than the synthetic split.

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

GeForce GTX 645 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 645 makes the most sense to buy today. It is $50 cheaper on MSRP at $150 vs $200, and it leads G3D-per-dollar by 31% (12.5 vs 9.6), so the value case lines up with the gaming result.

GeForce GTX 645 vs Quadro M520 Technical Specifications

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

GeForce GTX 645

The GeForce GTX 645 is manufactured by NVIDIA. It was released in May 31 2010. It features the Fermi architecture. The core clock speed is 607 MHz. It has 352 shading units. The thermal design power (TDP) is 200W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,880 points. Launch price was $279.

Quadro M520

The Quadro M520 is manufactured by NVIDIA. It was released in January 11 2017. It features the Maxwell architecture. The core clock ranges from 1041 MHz to 1019 MHz. It has 384 shading units. The thermal design power (TDP) is 25W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,913 points.

⚡

Graphics Performance

The GeForce GTX 645 scores 1,880 and the Quadro M520 reaches 1,913 in the G3D Mark benchmark — just a 1.8% difference, making them near-identical in rasterization performance. The GeForce GTX 645 is built on Fermi while the Quadro M520 uses Maxwell, both on 40 nm vs 28 nm. Shader units: 352 (GeForce GTX 645) vs 384 (Quadro M520). Raw compute: 0.8554 TFLOPS (GeForce GTX 645) vs 0.7995 TFLOPS (Quadro M520).

Feature	GeForce GTX 645	Quadro M520
G3D Mark Score	1,880	1,913+2%
Architecture	Fermi	Maxwell
Process Node	40 nm	28 nm
Shading Units	352	384+9%
Compute (TFLOPS)	0.8554 TFLOPS+7%	0.7995 TFLOPS
ROPs	32+300%	8
TMUs	44+175%	16
L1 Cache	704 KB+450%	128 KB
L2 Cache	0.5 MB	1 MB+100%

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Advanced Features (DLSS/FSR)

The GeForce GTX 645 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Quadro M520 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GTX 645	Quadro M520
Upscaling Tech	Upscaling support	Upscaling support
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	Standard

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Video Memory (VRAM)

The GeForce GTX 645 has 1 GB of VRAM, while the Quadro M520 carries 2 GB. Quadro M520 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce GTX 645 and 64-bit on the Quadro M520. L2 Cache: 0.5 MB (GeForce GTX 645) vs 1 MB (Quadro M520) — the Quadro M520 has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GTX 645	Quadro M520
VRAM Capacity	1 GB	2 GB+100%
Memory Type	GDDR5	GDDR5
Bus Width	128-bit+100%	64-bit
L2 Cache	0.5 MB	1 MB+100%

🔌

Power & Dimensions

The GeForce GTX 645 draws 200W versus the Quadro M520's 25W — a 155.6% difference. The Quadro M520 is more power-efficient. Recommended PSU: 300W (GeForce GTX 645) vs 350W (Quadro M520). Power connectors: None vs PCIe-powered.

Feature	GeForce GTX 645	Quadro M520
TDP	200W	25W-88%
Recommended PSU	300W-14%	350W
Power Connector	None	PCIe-powered
Length	147mm	—
Height	111mm	—
Slots	1	—
Temp (Load)	80	—
Perf/Watt	9.4	76.5+714%

💰

Value Analysis

At launch, the GeForce GTX 645 came in at $150, while the Quadro M520 launched at $200. On MSRP, GeForce GTX 645 was 25% cheaper ($50 less). Performance per dollar on MSRP (G3D Mark / MSRP): 12.5 (GeForce GTX 645) vs 9.6 (Quadro M520) — the GeForce GTX 645 offers 30.2% better value. The newer card here is Quadro M520 (2017 vs 2010).

Feature	GeForce GTX 645	Quadro M520
MSRP	$150-25%	$200
Performance per Dollar	12.5+30%	9.6
Codename	GF100	GM108
Release	May 31 2010	January 11 2017
Ranking	#618	#695

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