RadeonT 660M vs Quadro K620

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 RadeonT 660M is positioned at rank 226 and the Quadro K620 is on rank 99, so the Quadro K620 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 RadeonT 660M

#53

Radeon RX 6850M XT

MSRP: $800|Avg: $800

97%

#216

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

484%

#218

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

439%

#219

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

438%

#223

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

398%

#224

Radeon RX 6300

MSRP: $60|Avg: $40

395%

#226

RadeonT 660M

MSRP: N/A|Avg: N/A

100%

#228

GeForce GT 750M Mac Edition

MSRP: $149|Avg: $40

99%

#230

Maxwell GPU Surface Book

MSRP: $150|Avg: $75

98%

#235

Radeon RX 540

MSRP: $99|Avg: $40

96%

#236

Radeon HD 6750M

MSRP: N/A|Avg: $60

95%

#237

Radeon HD 7570M

MSRP: N/A|Avg: $15

94%

#239

Arc Graphics 130T

MSRP: $300|Avg: $250

92%

#240

GeForce MX570 A

MSRP: $300|Avg: $300

92%

Based on actual market prices and performance benchmarks.

Performance Per Dollar Quadro K620

#52

RTX A1000

MSRP: $749|Avg: $500

98%

#54

Radeon Pro 5700

MSRP: $799|Avg: $250

97%

#55

Quadro P4000

MSRP: $815|Avg: $290

95%

#57

Quadro RTX 3000

MSRP: $800|Avg: $891

92%

#58

RTX PRO 4000 Blackwell

MSRP: $1999|Avg: $1700

90%

#59

Radeon Vega Frontier Edition

MSRP: $999|Avg: $150

87%

#84

Tesla K20m

MSRP: $3199|Avg: $55

1002%

#99

Quadro K620

MSRP: $150|Avg: $30

100%

#100

Tesla K20Xm

MSRP: $7699|Avg: N/A

100%

#105

Quadro T2000 (móvel)

MSRP: $500|Avg: $150

94%

#111

Quadro P520

MSRP: $150|Avg: $150

92%

#113

Radeon Pro WX 3100

MSRP: $199|Avg: $65

88%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The RadeonT 660M is significantly newer (2023 vs 2014). The RadeonT 660M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Quadro K620 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The RadeonT 660M is the superior choice for raw performance. It leads with a 0.4% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Quadro K620.

Insight	RadeonT 660M	Quadro K620
Performance	✅Leading raw performance (+0.4%)	❌Lower raw frame rates (-0.4%)
Longevity	RDNA 2.0 (2020−2025) (6nm)	🛑Obsolete Architecture (2014 / Maxwell (2014−2017))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+0%)
Efficiency	Normal Efficiency	Normal Efficiency
Case Fit	—	—

💎 Value Proposition

While current pricing data is unavailable, the RadeonT 660M remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

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.

RadeonT 660M Benchmark Check

Quadro K620 Benchmark Check

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Check FPS for your specific build

Technical Specifications

Side-by-side comparison of RadeonT 660M and Quadro K620

RadeonT 660M

The RadeonT 660M is manufactured by AMD. It was released in January 3 2023. It features the RDNA 2.0 architecture. The core clock ranges from 1500 MHz to 1900 MHz. It has 384 shading units. The thermal design power (TDP) is 40W. Manufactured using 6 nm process technology. It features 6 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 2,221 points.

Quadro K620

The Quadro K620 is manufactured by NVIDIA. It was released in July 22 2014. It features the Maxwell architecture. The core clock ranges from 1058 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 45W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,213 points. Launch price was $189.89.

⚡

Graphics Performance

The RadeonT 660M scores 2,221 and the Quadro K620 reaches 2,213 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The RadeonT 660M is built on RDNA 2.0 while the Quadro K620 uses Maxwell, both on 6 nm vs 28 nm. Shader units: 384 (RadeonT 660M) vs 384 (Quadro K620). Raw compute: 1.459 TFLOPS (RadeonT 660M) vs 0.8632 TFLOPS (Quadro K620). Boost clocks: 1900 MHz vs 1124 MHz.

Feature	RadeonT 660M	Quadro K620
G3D Mark Score	2,221	2,213
Architecture	RDNA 2.0	Maxwell
Process Node	6 nm	28 nm
Shading Units	384	384
Compute (TFLOPS)	1.459 TFLOPS+69%	0.8632 TFLOPS
Boost Clock	1900 MHz+69%	1124 MHz
ROPs	16	16
TMUs	24	24
L1 Cache	128 KB	192 KB+50%
L2 Cache	2 MB	2 MB

✨

Advanced Features (DLSS/FSR)

Feature	RadeonT 660M	Quadro K620
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	Standard

💾

Video Memory (VRAM)

Both cards feature 2 GB of GDDR5. Bus width: 64-bit vs 64-bit.

Feature	RadeonT 660M	Quadro K620
VRAM Capacity	2 GB	2 GB
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	64-bit
L2 Cache	2 MB	2 MB

🔌

Power & Dimensions

The RadeonT 660M draws 40W versus the Quadro K620's 45W — a 11.8% difference. The RadeonT 660M is more power-efficient. Recommended PSU: 350W (RadeonT 660M) vs 350W (Quadro K620). Power connectors: PCIe-powered vs PCIe-powered.