Quadro K620 vs Radeon RX 640

CPU

GPU

Quadro K620

2014Core: 1058 MHzBoost: 1124 MHz

Radeon RX 640

2019Core: 1082 MHzBoost: 1218 MHz

Performance Spectrum - GPU

Quadro K620

2,213

+1.9%

GeForce GTX 970XM FORCE

GeForce RTX 3050 A Laptop GPU

RTX 3000 Ada Generation Laptop GPU

GeForce RTX 3060 Ti

Radeon RX 640

2,172

0.0%

Radeon RX 6750 GRE 12GB

About G3D Mark

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 Quadro K620 is positioned at rank 99 and the Radeon RX 640 is on rank 323, 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 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 Per Dollar Radeon RX 640

#313

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

795%

#315

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

720%

#316

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

719%

#320

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

653%

#321

Radeon RX 6300

MSRP: $60|Avg: $40

649%

#323

Radeon RX 640

MSRP: $159|Avg: $55

100%

#326

Iris Pro Graphics P580

MSRP: $150|Avg: $60

99%

#327

Radeon E8870PCIe

MSRP: $250|Avg: $200

99%

#330

Arc Graphics 140T

MSRP: $350|Avg: $300

94%

#331

Radeon 680M

MSRP: N/A|Avg: $80

94%

#333

GeForce 730A

MSRP: $60|Avg: $20

93%

#334

GeForce GT 745A

MSRP: $99|Avg: $20

91%

#335

GeForce 710A

MSRP: $35|Avg: $62

91%

#336

Radeon HD 8670D + HD 6670 Dual

MSRP: $100|Avg: $10

89%

#338

GeForce MX230

MSRP: $150|Avg: $150

89%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Radeon RX 640 uses modern memory architecture. The Radeon RX 640 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 Quadro K620 is the superior choice for raw performance. It leads with a 1.9% higher G3D Mark score. However, the Radeon RX 640 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	Quadro K620	Radeon RX 640
Performance	✅Leading raw performance (+1.9%)	❌Lower raw frame rates (-1.9%)
Longevity	🛑Obsolete Architecture (2014 / Maxwell (2014−2017))	GCN 4.0 (2016−2020) (14nm)
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+100%)
Efficiency	Normal Efficiency	Normal Efficiency
Case Fit	—	—

💎 Value Proposition

The Quadro K620 offers a compelling cost-to-performance ratio. Priced at $30 versus $55 for the Radeon RX 640, it costs 45% less. While it maintains basic entry-level capabilities, this results in a 86.8% higher cost efficiency score.

Insight	Quadro K620	Radeon RX 640
Cost Efficiency	✅Better overall value (+86.8%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($30)	⚠️Higher upfront cost ($55)

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.

Quadro K620 Benchmark Check

Radeon RX 640 Benchmark Check

Technical Specifications

Side-by-side comparison of Quadro K620 and Radeon RX 640

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.

Radeon RX 640

The Radeon RX 640 is manufactured by AMD. It was released in May 13 2019. It features the GCN 4.0 architecture. The core clock ranges from 1082 MHz to 1218 MHz. It has 640 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 2,172 points.

⚡

Graphics Performance

The Quadro K620 scores 2,213 and the Radeon RX 640 reaches 2,172 in the G3D Mark benchmark — just a 1.9% difference, making them near-identical in rasterization performance. The Quadro K620 is built on Maxwell while the Radeon RX 640 uses GCN 4.0, both on 28 nm vs 14 nm. Shader units: 384 (Quadro K620) vs 640 (Radeon RX 640). Raw compute: 0.8632 TFLOPS (Quadro K620) vs 1.559 TFLOPS (Radeon RX 640). Boost clocks: 1124 MHz vs 1218 MHz.

Feature	Quadro K620	Radeon RX 640
G3D Mark Score	2,213+2%	2,172
Architecture	Maxwell	GCN 4.0
Process Node	28 nm	14 nm
Shading Units	384	640+67%
Compute (TFLOPS)	0.8632 TFLOPS	1.559 TFLOPS+81%
Boost Clock	1124 MHz	1218 MHz+8%
ROPs	16	16
TMUs	24	40+67%
L1 Cache	192 KB+20%	160 KB
L2 Cache	2 MB+300%	0.5 MB

✨

Advanced Features (DLSS/FSR)

A critical advantage for the Radeon RX 640 is support for FSR 3 / AFMF. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The Quadro K620 lacks specific hardware/driver support for this native frame generation tier.

Feature	Quadro K620	Radeon RX 640
Upscaling Tech	FSR 1.0 (Software)	FSR 3 (Native)
Frame Generation	Not Supported	FSR 3 / AFMF (Driver)
Ray Reconstruction	No	No
Low Latency	Standard	AMD Anti-Lag

💾

Video Memory (VRAM)

The Quadro K620 comes with 2 GB of VRAM, while the Radeon RX 640 has 4 GB. The Radeon RX 640 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 2 MB (Quadro K620) vs 0.5 MB (Radeon RX 640) — the Quadro K620 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Quadro K620	Radeon RX 640
VRAM Capacity	2 GB	4 GB+100%
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	128-bit+100%
L2 Cache	2 MB+300%	0.5 MB

🔌

Power & Dimensions

The Quadro K620 draws 45W versus the Radeon RX 640's 50W — a 10.5% difference. The Quadro K620 is more power-efficient. Recommended PSU: 350W (Quadro K620) vs 350W (Radeon RX 640). Power connectors: PCIe-powered vs PCIe-powered.

Feature	Quadro K620	Radeon RX 640
TDP	45W-10%	50W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Slots	—	1
Perf/Watt	49.2+13%	43.4

💰

Value Analysis

The Quadro K620 launched at $150 MSRP and currently averages $30, while the Radeon RX 640 launched at $159 and now averages $55. The Quadro K620 costs 45.5% less ($25 savings) at current market prices. Performance per dollar (G3D Mark / price): 73.8 (Quadro K620) vs 39.5 (Radeon RX 640) — the Quadro K620 offers 86.8% better value. The Radeon RX 640 is the newer GPU (2019 vs 2014).