Radeon HD 7770 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.

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

Performance Per Dollar

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

🚀 Performance Leadership

The Quadro K620 is the superior choice for raw performance. It leads with a 1.8% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7770.

Insight	Radeon HD 7770	Quadro K620
Performance	❌Lower raw frame rates (-1.8%)	✅Leading raw performance (+1.8%)
Longevity	🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020))	🛑Obsolete Architecture (2014 / Maxwell (2014−2017))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+0%)
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
Case Fit	📏 Compact / SFF Friendly	—

💎 Value Proposition

The Quadro K620 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Quadro K620 holds the technical lead. Priced at $30 (vs $50), it costs 40% less, resulting in a 69.7% higher cost efficiency score.

Insight	Radeon HD 7770	Quadro K620
Cost Efficiency	❌Lower cost efficiency	✅Better overall value (+69.7%)
Upfront Cost	⚠️Higher upfront cost ($50)	✅More affordable ($30)

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.

Radeon HD 7770 Benchmark Check

Quadro K620 Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon HD 7770 and Quadro K620

Radeon HD 7770

The Radeon HD 7770 is manufactured by AMD. It was released in February 15 2012. It features the GCN 1.0 architecture. The core clock speed is 1000 MHz. It has 640 shading units. The thermal design power (TDP) is 80W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,173 points. Launch price was $159.

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 Radeon HD 7770 scores 2,173 and the Quadro K620 reaches 2,213 in the G3D Mark benchmark — just a 1.8% difference, making them near-identical in rasterization performance. The Radeon HD 7770 is built on GCN 1.0 while the Quadro K620 uses Maxwell, both on a 28 nm process. Shader units: 640 (Radeon HD 7770) vs 384 (Quadro K620). Raw compute: 1.28 TFLOPS (Radeon HD 7770) vs 0.8632 TFLOPS (Quadro K620).

Feature	Radeon HD 7770	Quadro K620
G3D Mark Score	2,173	2,213+2%
Architecture	GCN 1.0	Maxwell
Process Node	28 nm	28 nm
Shading Units	640+67%	384
Compute (TFLOPS)	1.28 TFLOPS+48%	0.8632 TFLOPS
ROPs	16	16
TMUs	40+67%	24
L1 Cache	160 KB	192 KB+20%
L2 Cache	0.25 MB	2 MB+700%

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 7770	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: 128-bit vs 64-bit. L2 Cache: 0.25 MB (Radeon HD 7770) vs 2 MB (Quadro K620) — the Quadro K620 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 7770	Quadro K620
VRAM Capacity	2 GB	2 GB
Memory Type	GDDR5	GDDR5
Bus Width	128-bit+100%	64-bit
L2 Cache	0.25 MB	2 MB+700%

🔌

Power & Dimensions

The Radeon HD 7770 draws 80W versus the Quadro K620's 45W — a 56% difference. The Quadro K620 is more power-efficient. Recommended PSU: 450W (Radeon HD 7770) vs 350W (Quadro K620). Power connectors: 1x 6-pin vs PCIe-powered.

Feature	Radeon HD 7770	Quadro K620
TDP	80W	45W-44%
Recommended PSU	450W	350W-22%
Power Connector	1x 6-pin	PCIe-powered
Length	210mm	—
Slots	2	—
Perf/Watt	27.2	49.2+81%

💰

Value Analysis

The Radeon HD 7770 launched at $159 MSRP and currently averages $50, while the Quadro K620 launched at $150 and now averages $30. The Quadro K620 costs 40% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): 43.5 (Radeon HD 7770) vs 73.8 (Quadro K620) — the Quadro K620 offers 69.7% better value. The Quadro K620 is the newer GPU (2014 vs 2012).