GeForce GT 645 vs Quadro P520

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. The GeForce GT 645 is positioned at rank 242 and the Quadro P520 is on rank 111, so the Quadro P520 offers better cost-efficiency for playing games.

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

Performance Per Dollar GeForce GT 645

#54

Radeon RX 6800S

MSRP: $800|Avg: $800

98%

#232

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

536%

#234

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

486%

#235

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

485%

#239

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

441%

#240

Radeon RX 6300

MSRP: $60|Avg: $40

438%

#242

GeForce GT 645

MSRP: $99|Avg: $15

100%

#252

GeForce 720A

MSRP: $30|Avg: $30

95%

#253

GeForce GT 520M

MSRP: $60|Avg: N/A

93%

#254

Radeon Vega 8 Ryzen 3 3200GE

MSRP: $99|Avg: $60

93%

#257

GeForce GTX 770M SLI

MSRP: N/A|Avg: $80

92%

Based on actual market prices and performance benchmarks.

Performance Per Dollar Quadro P520

#58

RTX PRO 4000 Blackwell

MSRP: $1999|Avg: $1700

98%

#59

Radeon Vega Frontier Edition

MSRP: $999|Avg: $150

94%

#60

Radeon Pro WX 8200

MSRP: $999|Avg: $350

93%

#62

RTX A4500

MSRP: $1699|Avg: $800

92%

#63

RTX 4500 Ada Generation

MSRP: $2250|Avg: $2000

91%

#64

RTX 4000 Ada Generation

MSRP: $1999|Avg: $1547

89%

#96

Tesla K20m

MSRP: $3199|Avg: $55

1089%

#111

Quadro P520

MSRP: $150|Avg: $150

100%

#113

Radeon Pro WX 3100

MSRP: $199|Avg: $65

96%

#117

Radeon Pro 580X

MSRP: $600|Avg: $200

93%

#118

Radeon Pro WX 2100

MSRP: $149|Avg: $45

93%

#119

CMP 40HX

MSRP: $699|Avg: $120

92%

#124

Radeon Pro W5500X

MSRP: $599|Avg: $500

90%

#125

Quadro T2000

MSRP: $600|Avg: $75

89%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Quadro P520 is significantly newer (2019 vs 2012). The Quadro P520 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GT 645 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The Quadro P520 is the superior choice for raw performance. It leads with a 1.4% higher G3D Mark score and 100% more VRAM (4 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 645.

Insight	GeForce GT 645	Quadro P520
Performance	❌Lower raw frame rates (-1.4%)	✅Leading raw performance (+1.4%)
Longevity	🛑Obsolete Architecture (2012 / Kepler (2012−2018))	Pascal (2016−2021) (14nm)
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+100%)
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
Case Fit	📏 Compact / SFF Friendly	—

💎 Value Proposition

The GeForce GT 645 offers a compelling cost-to-performance ratio. Priced at $15 versus $150 for the Quadro P520, it costs 90% less. While it maintains basic entry-level capabilities, this results in a 886.2% higher cost efficiency score.

Insight	GeForce GT 645	Quadro P520
Cost Efficiency	✅Better overall value (+886.2%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($15)	⚠️Higher upfront cost ($150)

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 GT 645 Benchmark Check

Quadro P520 Benchmark Check

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Technical Specifications

Side-by-side comparison of GeForce GT 645 and Quadro P520

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.

Quadro P520

The Quadro P520 is manufactured by NVIDIA. It was released in May 23 2019. It features the Pascal architecture. The core clock ranges from 1303 MHz to 1493 MHz. It has 384 shading units. The thermal design power (TDP) is 18W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 2,034 points.

⚡

Graphics Performance

The GeForce GT 645 scores 2,006 and the Quadro P520 reaches 2,034 in the G3D Mark benchmark — just a 1.4% difference, making them near-identical in rasterization performance. The GeForce GT 645 is built on Kepler while the Quadro P520 uses Pascal, both on 28 nm vs 14 nm. Shader units: 384 (GeForce GT 645) vs 384 (Quadro P520). Raw compute: 0.5445 TFLOPS (GeForce GT 645) vs 1.147 TFLOPS (Quadro P520).

Feature	GeForce GT 645	Quadro P520
G3D Mark Score	2,006	2,034+1%
Architecture	Kepler	Pascal
Process Node	28 nm	14 nm
Shading Units	384	384
Compute (TFLOPS)	0.5445 TFLOPS	1.147 TFLOPS+111%
ROPs	16	16
TMUs	32+33%	24
L1 Cache	32 KB	144 KB+350%
L2 Cache	256 KB	512 KB+100%

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GT 645	Quadro P520
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	Standard

💾

Video Memory (VRAM)

The GeForce GT 645 comes with 2 GB of VRAM, while the Quadro P520 has 4 GB. The Quadro P520 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 256 KB (GeForce GT 645) vs 512 KB (Quadro P520) — the Quadro P520 has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 645	Quadro P520
VRAM Capacity	2 GB	4 GB+100%
Memory Type	GDDR5	GDDR5
Bus Width	128-bit+100%	64-bit
L2 Cache	256 KB	512 KB+100%

🔌

Power & Dimensions

The GeForce GT 645 draws 32W versus the Quadro P520's 18W — a 56% difference. The Quadro P520 is more power-efficient. Recommended PSU: 350W (GeForce GT 645) vs 350W (Quadro P520). Power connectors: PCIe-powered vs PCIe-powered.

Feature	GeForce GT 645	Quadro P520
TDP	32W	18W-44%
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	145mm	—
Height	111mm	—
Slots	1	—
Temp (Load)	80	—
Perf/Watt	62.7	113.0+80%

💰

Value Analysis

The GeForce GT 645 launched at $99 MSRP and currently averages $15, while the Quadro P520 launched at $150 and now averages $150. The GeForce GT 645 costs 90% less ($135 savings) at current market prices. Performance per dollar (G3D Mark / price): 133.7 (GeForce GT 645) vs 13.6 (Quadro P520) — the GeForce GT 645 offers 883.1% better value. The Quadro P520 is the newer GPU (2019 vs 2012).